CN111077389A

CN111077389A - Automatic testing machine for SIM card slot

Info

Publication number: CN111077389A
Application number: CN201911260773.2A
Authority: CN
Inventors: 陈恩平; 管良才; 杨进权; 牛安
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-04-28

Abstract

The invention discloses an automatic testing machine for an SIM card slot, which comprises a machine body, wherein a positioning jig is arranged on the machine body and used for positioning a workpiece; the side inserting mechanism is arranged on one side of the positioning jig and comprises a copying card and a copying card driving assembly, and the copying card can move towards or away from the positioning jig under the driving of the copying card driving assembly; the profiling card is used for being inserted into the groove position of the workpiece after moving towards the position close to the positioning jig; the test module is used for crimping the copying card after the copying card is inserted into the slot position of the workpiece so as to be electrically connected with the copying card. The automatic testing machine for the SIM card slot can automatically complete the test of the SIM card slot.

Description

Automatic testing machine for SIM card slot

Technical Field

The invention relates to the technical field of electronic equipment testing, in particular to an automatic testing machine for an SIM card slot.

Background

At present, with the popularization of electronic devices such as mobile phones and tablet computers, taking a mobile phone as an example, when the mobile phone is applied, a SIM card needs to be inserted into a SIM card slot built in the mobile phone for conversation use, and in a production process, a profiling card needs to be inserted into the SIM card slot for testing, and a next process can be performed according to a test result. However, the existing SIM card testing equipment has low automation degree, resulting in low testing efficiency and poor testing precision.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide an automatic testing machine for a SIM card slot, which can automatically complete the test of the SIM card slot.

The purpose of the invention is realized by adopting the following technical scheme:

an automatic testing machine for SIM card slots comprises,

the positioning jig is arranged on the machine body and used for positioning a workpiece;

the side inserting mechanism is arranged on one side of the positioning jig and comprises a copying card and a copying card driving assembly, and the copying card can move towards or away from the positioning jig under the driving of the copying card driving assembly; the profiling card is used for being inserted into the groove position of the workpiece after moving towards the position close to the positioning jig;

the test module is used for crimping the copying card after the copying card is inserted into the slot position of the workpiece so as to be electrically connected with the copying card.

Furthermore, the profiling card driving assembly comprises a motor, a screw rod, a nut and a guide piece, the motor is installed on the machine body, the screw rod is synchronously connected with a rotating shaft of the motor, the nut is sleeved outside the screw rod in a threaded manner, and the guide piece is used for guiding the nut to move along the extension direction of the screw rod; the profiling card is fixedly connected with the nut.

Further, the guide piece comprises a guide rail and a sliding block, and the extending direction of the guide rail is consistent with the extending direction of the screw rod; the nut is fixedly connected with the sliding block; the guide rail is in sliding fit with the sliding block.

Furthermore, the side inserting mechanism also comprises a clamping seat and a clamping sleeve, and the clamping sleeve is connected with the clamping seat through an elastic part; the card holder is provided with a through connection groove, one end of the profile modeling card is fixed on the card holder, and the other end of the profile modeling card passes through the through connection groove and is formed into an insertion test end; the insertion testing end penetrates through the clamping sleeve and extends out of the clamping sleeve; the profile modeling card drive assembly is used for driving the card seat to move.

Furthermore, the machine body is provided with a mounting seat and a mounting seat driving mechanism, the side inserting mechanism and the positioning jig are respectively mounted at two ends of the mounting seat, and the test module is fixedly connected to the machine body and positioned above the positioning jig; the mounting seat driving mechanism is used for driving the mounting seat to move along the height direction of the machine body.

Further, mount pad actuating mechanism includes the cylinder, the cylinder body rigid coupling of cylinder is on the organism, the mount pad rigid coupling is on the piston rod top of cylinder.

Furthermore, a camera is arranged on the machine body and used for collecting workpiece information on the positioning jig.

Furthermore, the positioning jig is provided with a cover plate, a cover plate driving assembly and a positioning groove matched with the workpiece structure, a positioning pin and a circuit board groove are arranged in the positioning groove, and the bottom wall of the circuit board groove is provided with an electric connector; the cover plate is driven by the cover plate driving assembly to move towards or away from the circuit board groove, and the cover plate is used for being packaged at the top end of the circuit board groove after moving close to the circuit board groove.

Further, the diapire of constant head tank is equipped with the vacuum adsorption mouth, the vacuum adsorption mouth communicates with outside evacuation equipment.

Further, a workpiece manipulator is further arranged on the machine body, and the workpiece manipulator takes and places workpieces.

Compared with the prior art, the invention has the beneficial effects that: when the SIM card slot is tested, the SIM card slot can be placed on the positioning jig for positioning, the profiling card is driven by the profiling card driving assembly to move close to the positioning jig, and after the profiling card is inserted into the SIM card slot, the testing module is pressed in the profiling card in the SIM card slot for testing, so that the automation degree in the whole process is high, and the testing efficiency is improved; and the plug-in mounting precision is higher, and the test accuracy is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a matching structure of the testing module, the side-inserting mechanism and the positioning fixture according to the present invention;

FIG. 3 is a schematic view of a side-mounting mechanism and a positioning fixture according to the present invention;

FIG. 4 is a schematic view of a partial structure of the positioning fixture of the present invention;

FIG. 5 is a schematic view of a positioning groove of the positioning fixture according to the present invention;

FIG. 6 is a schematic structural view of a side-insertion mechanism of the present invention;

FIG. 7 is a partial schematic view of the side insertion mechanism of the present invention;

in the figure: 10. a body; 20. positioning a jig; 21. positioning a groove; 211. positioning pins; 212. a circuit board slot; 213. a vacuum adsorption port; 22. a cover plate; 23. a cover plate drive assembly; 24. a drive arm; 30. a side insertion mechanism; 31. a profiling card; 32. a card sleeve; 33. a card holder; 331. an elastic member; 34. a motor; 35. an induction sheet; 36. a limit switch; 37. a screw rod; 38. a nut; 391. a guide rail; 392. a slider; 40. a test module; 50. a workpiece manipulator; 60. a mounting seat; 70. a camera; 80. a mount drive mechanism.

Detailed Description

The invention will be further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1-7, an automatic testing machine for a SIM card slot includes a machine body 10, a side insertion mechanism 30 and a testing module 40, wherein a positioning fixture 20 is disposed on the machine body 10, and the positioning fixture 20 can be used for positioning a workpiece.

Specifically, the side inserting mechanism 30 is disposed at one side of the positioning fixture 20, the side inserting mechanism 30 includes a profile card 31 and a profile card driving component, and the profile card 31 moves toward or away from the positioning fixture 20 under the driving of the profile card driving component. And the copying card 31 can be inserted into the slot position of the workpiece after moving towards the positioning jig 20. After the copying card 31 is inserted into the slot of the workpiece, the testing module 40 can be connected to the copying card 31 to electrically connect with the copying card 31.

On the basis of the structure, when the automatic testing machine for the SIM card slot is used, taking a workpiece as the SIM card slot as an example, the SIM card slot can be placed on the positioning jig 20, after positioning, the profiling card 31 is driven by the profiling card driving component to move close to the positioning jig 20, after the SIM card slot is inserted, the testing module 40 is pressed in the profiling card 31 in the SIM card slot for testing, in addition, after the SIM card slot is tested, the testing module 40 can be separated from the positioning jig 20, and then the profiling card driving component drives the profiling card 31 to be far away from the positioning jig 20, so that the profiling card 31 is separated from the SIM card slot, and the tested SIM card slot is taken down; and the plug-in mounting precision is higher, and the test accuracy is improved.

Further, in this embodiment, the above-mentioned copying card driving assembly includes a motor 34, a lead screw 37, a nut 38 and a guiding member, the motor 34 is installed on the machine body 10, the lead screw 37 is synchronously connected with a rotating shaft of the motor 34, the nut 38 is threadedly installed outside the lead screw 37, and under the guidance of the guiding member, the nut 38 can move along the extending direction of the lead screw 37, so as to fixedly connect the copying card 31 with the nut 38.

On the basis of the structure, when the copying card 31 is driven to move, the motor 34 can be started, the rotating shaft of the motor 34 can drive the screw rod 37 to rotate, the screw rod 37 can drive the nut 38 in threaded connection with the screw rod to rotate, and the rotating motion of the nut 38 can be converted into motion along the extending direction of the screw rod 37 under the guidance of the guide piece, namely, linear motion, so that the copying card 31 fixedly connected with the nut 38 is driven to be close to or far away from the positioning jig 20.

It should be noted that the driving assembly of the copying card in this embodiment is selected as the transmission mechanism of the lead screw 37, that is, the nut 38 and the lead screw 37 are matched to precisely control the movement stroke of the copying card 31, so as to control the copying card 31 to move in and out, thereby preventing the product from being damaged.

More specifically, the guide member includes a guide rail 391 and a slider 392, the extension direction of the guide rail 391 is the same as the extension direction of the lead screw 37, the nut 38 is fixedly connected with the slider 392, and the guide rail 391 is slidably engaged with the slider 392. That is, when the nut 38 rotates, the rotation of the nut 38 can be limited by the matching relationship between the guide rail 391 and the slider 392, and can be converted into the sliding of the guide rail 391 and the slider 392, so as to guide the nut 38 to perform a linear motion.

Further, the side-inserting mechanism 30 further includes a holder 33 and a ferrule 32, and the ferrule 32 and the holder 33 can be connected by an elastic component 331. Specifically, a through-slot is provided on the card holder 33, one end of the above-mentioned copying card 31 is fixed on the card holder 33, and the other end of the copying card 31 passes through the through-slot and is formed into an insertion test end which can pass through the card sleeve 32 and protrude from the card sleeve 32. I.e., the insertion of the test end does not shift as it approaches or moves away from the positioning jig 20, as limited by the ferrule 32 and the through-slot. In addition, because the card sleeve 32 is connected with the card holder 33 through the elastic component 331, when the test end is inserted into the SIM card slot of the positioning fixture 20, the card sleeve 32 is in flexible contact with the positioning fixture 20, and the extension length of the test end can be extended to a certain extent, even if there is a slight difference between the size of the SIM card slot and the size of the profiling card 31, the product can be ensured not to be damaged.

Specifically, the cutting ferrule 32 may be connected to the clamping seat 33 by a bolt or a screw in the prior art, and the elastic member 331 is a spring sleeved on the bolt or the screw rod 37, so that the cutting ferrule 32 has a certain floating space with respect to the clamping seat 33.

In this embodiment, the side-inserting mechanism 30 further includes an inductive piece 35 and a limit switch 36, the specific limit switch 36 is two, the two limit switches 36 are spaced in the moving direction of the card holder, the inductive piece 35 is fixedly connected to the card holder, in the initial state, the inductive piece 35 can touch one of the limit switches 36, the profile card driving assembly is started, the inductive piece 35 on the card holder is driven to be away from the limit switch 36, and then the profile card is driven to move, after the profile card is inserted into the SIM card slot of the positioning fixture, the inductive piece 35 just moves to touch the other limit switch 36, the profile card driving assembly is stopped, and the test is started. Therefore, the motion stroke of the copying card can be controlled through the touch matching of the two limit switches 36 and the induction sheet 35, and the accurate control is realized.

Further, the machine body 10 of the present embodiment is further provided with a mounting base 60 and a mounting base driving mechanism 80, and the side inserting mechanism 30 and the positioning jig 20 are respectively mounted on both ends of the mounting base 60. The testing module 40 is fixed on the machine body 10 and located above the positioning fixture 20. The mount 60 moves in the height direction of the machine body 10 by the drive of the mount drive mechanism 80. So, when testing, accessible mount pad actuating mechanism 80 drives whole mount pad 60 upward movement, moves towards test module 40 promptly, and profile modeling card 31 of mechanism 30 is inserted towards the SIM draw-in groove of positioning jig 20 under profile modeling card drive assembly's drive simultaneously, and afterwards, test module 40 alright compress tightly on the SIM draw-in groove of positioning jig 20 and profile modeling card 31 after mount pad 60 upwards moves, test. And after the test is finished, resetting each mechanism.

In other cases, of course, the test module 40 driving mechanism may be disposed on the machine body 10, and the test module 40 is driven by the test module 40 driving mechanism to move up and down, so that the test can be completed.

More specifically, the mounting seat driving mechanism 80 may include an air cylinder, a cylinder body of the air cylinder is fixedly connected to the machine body 10, and the mounting seat 60 is fixedly connected to a top end of a piston rod of the air cylinder, so that the mounting seat 60 is driven to move up and down through the telescopic movement of the piston rod of the air cylinder. Of course, the mount driving mechanism 80 can be a screw 37 transmission mechanism, a linear motor 34, etc. in the prior art.

Further, a camera 70 is further disposed on the machine body 10, and the camera 70 can acquire workpiece information on the positioning fixture 20. That is, when the SIM card slot is placed on the positioning fixture 20 for detection, the camera 70 can scan the two-dimensional code on the SIM card slot, and transmit the information corresponding to the product to the controller of the machine body 10, and when the test module 40 detects, the corresponding detection data can correspond to the product information.

Furthermore, the positioning fixture 20 in this embodiment is provided with a cover plate 22, a cover plate driving assembly 23, and a positioning groove 21 matched with the workpiece structure, wherein a positioning pin 211 and a circuit board groove 212 are disposed in the positioning groove 21, and an electrical connector is disposed on a bottom wall of the circuit board groove 212. In addition, under the driving of the cover driving assembly 23, the cover 22 can move toward or away from the circuit board slot 212, and the cover 22 is enclosed at the top end of the circuit board slot 212 after moving toward the circuit board slot 212.

So, when carrying out the location of SIM draw-in groove, can prevent the SIM draw-in groove in constant head tank 21, locating pin 211 can fix a position the frame of SIM draw-in groove, and when the location, the circuit board on the SIM draw-in groove then can be placed in circuit board groove 212, and the circuit board can carry out electric connection with electric connector, so, alright put through the test circuit on SIM draw-in groove and the organism 10, test again afterwards. On the other hand, the positioning pins 211 of the positioning slots 21 and the circuit board slots 212 can perform double positioning on the SIM card slot, so that the positioning is more accurate.

Specifically, the cover plate driving assembly 23 includes a cylinder and a driving arm 24, one end of the driving arm 24 is fixedly connected to a piston rod of the cylinder, the other end of the driving arm 24 is fixedly connected to the cover plate, and the piston rod of the cylinder is telescopic to drive the cover plate to approach or be far away, so that the driving structure is simple and stable.

Further, still can be equipped with vacuum adsorption mouth 213 at the diapire of constant head tank 21, vacuum adsorption mouth 213 communicates with outside evacuation equipment, so, places back in constant head tank 21 at the SIM draw-in groove, the outside evacuation equipment evacuation of accessible, and vacuum adsorption mouth 213 department forms the negative pressure, fixes the SIM draw-in groove in constant head tank 21, prevents that the SIM draw-in groove from shifting.

Further, a workpiece manipulator 50 can be further arranged on the machine body 10, and the workpiece manipulator 50 can take and place the workpiece, that is, the taking and placing of the SIM card slot can be realized by the workpiece manipulator 50, so that the automation degree is higher.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. An automatic testing machine for an SIM card slot is characterized by comprising,

2. The automatic testing machine for the SIM card slot as claimed in claim 1, wherein the profile card driving assembly comprises a motor, a lead screw, a nut and a guiding member, the motor is mounted on the machine body, the lead screw is synchronously coupled with a rotating shaft of the motor, the nut is sleeved outside the lead screw in a threaded manner, and the guiding member is used for guiding the nut to move along the extending direction of the lead screw; the profiling card is fixedly connected with the nut.

3. The automatic tester for the SIM card slot of claim 2, wherein the guide member comprises a guide rail and a slider, and the guide rail extends in a direction consistent with the extending direction of the lead screw; the nut is fixedly connected with the sliding block; the guide rail is in sliding fit with the sliding block.

4. The automatic testing machine for the SIM card slot according to claim 1, wherein the side-insertion mechanism further comprises a card holder and a card sleeve, and the card sleeve is connected with the card holder through an elastic component; the card holder is provided with a through connection groove, one end of the profile modeling card is fixed on the card holder, and the other end of the profile modeling card passes through the through connection groove and is formed into an insertion test end; the insertion testing end penetrates through the clamping sleeve and extends out of the clamping sleeve; the profile modeling card drive assembly is used for driving the card seat to move.

5. The automatic testing machine of any one of claims 1 to 4, wherein the machine body is provided with a mounting base and a mounting base driving mechanism, the side-inserting mechanism and the positioning jig are respectively mounted at two ends of the mounting base, and the testing module is fixedly connected to the machine body and located above the positioning jig; the mounting seat driving mechanism is used for driving the mounting seat to move along the height direction of the machine body.

6. The automatic testing machine for the SIM card slot as claimed in claim 5, wherein the mounting seat driving mechanism comprises an air cylinder, a cylinder body of the air cylinder is fixedly connected to the machine body, and the mounting seat is fixedly connected to a top end of a piston rod of the air cylinder.

7. The automatic testing machine for the SIM card slot according to any one of claims 1-4, wherein a camera is disposed on the machine body, and the camera is used for collecting information of a workpiece on the positioning fixture.

8. The automatic testing machine for the SIM card slot according to any one of claims 1-4, wherein the positioning fixture is provided with a cover plate, a cover plate driving assembly and a positioning slot matched with the structure of the workpiece, the positioning slot is internally provided with a positioning pin and a circuit board slot, and the bottom wall of the circuit board slot is provided with an electrical connector; the cover plate is driven by the cover plate driving assembly to move towards or away from the circuit board groove, and the cover plate is used for being packaged at the top end of the circuit board groove after moving close to the circuit board groove.

9. The automatic tester for the SIM card slot of claim 8, wherein the bottom wall of the positioning slot is provided with a vacuum suction port, and the vacuum suction port is communicated with an external vacuum-pumping device.

10. The automatic tester for the SIM card slot of any one of claims 1-4, wherein the machine body is further provided with a workpiece manipulator, and the workpiece manipulator is used for picking and placing a workpiece.