CN111515525A

CN111515525A - Marking device for multi-station processing of mobile phone and card holder

Info

Publication number: CN111515525A
Application number: CN202010524689.3A
Authority: CN
Inventors: 巩喜然; 曹洪涛; 刘亮; 吕启涛; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Han s Laser Technology Industry Group Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-08-11

Abstract

The invention relates to the technical field of mobile phone marking processing, in particular to a marking device for mobile phone and card holder multi-station processing, which comprises a workbench, a turntable, a plurality of jigs for clamping the mobile phone and the card holder, and a marking mechanism for laser marking the mobile phone and the card holder. When the laser marking is carried out, the first positioning mechanism and the second positioning mechanism are used for positioning the mobile phone and the card support respectively, and after the marking of the mobile phone on the first positioning mechanism is completed by the marking mechanism, the marking can be directly carried out on the card support on the second positioning mechanism, so that the replacing time is shortened, and the marking efficiency is improved.

Description

Marking device for multi-station processing of mobile phone and card holder

Technical Field

The invention relates to the technical field of mobile phone marking processing, in particular to a marking device for mobile phone and card support multi-station processing.

Background

At present, with the continuous popularization of smart phones and the rapid development of domestic mobile phones, the use and dependence on the mobile phones are stronger and stronger, and meanwhile, the processing requirements on the mobile phones are more precise and stricter. The laser marking plays an indispensable role in mobile phone processing, and particularly has special requirements on high precision, high efficiency, stability and the like of laser processing during appearance surface processing.

In order to improve the processing efficiency, the conventional marking equipment generally adopts a mode of processing by a plurality of processing positions. However, even if a marking mode with a plurality of machining positions is adopted, the mobile phone positioning clamp and the card support positioning clamp are still separately arranged, and during marking, a laser is required to firstly carry out laser marking on the mobile phone, then the card support is replaced, and laser marking is carried out on the card support, so that the marking efficiency is low.

Disclosure of Invention

The invention aims to solve the technical problem that the marking efficiency of the existing marking equipment is low by providing the mobile phone and the marking equipment for multi-station processing of the card support aiming at the defects in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the marking device for the multi-station processing of the mobile phone and the card holder is provided, and comprises a workbench; the rotary table is rotatably arranged on the workbench; the marking mechanism is arranged on the workbench and used for laser marking of the mobile phone and the card holder; the jigs are arranged on the rotary table; the jig comprises a base, a first positioning mechanism for positioning the mobile phone and a second positioning mechanism for positioning the card holder; the first positioning mechanism and the second positioning mechanism are both installed on the base, and the base is clamped on the turntable.

Further preferred embodiments of the present invention are: the marking device further comprises a power part and a limiting frame, the power part is used for driving the jig to move up and down, the limiting frame is used for limiting the jig, the limiting frame is installed on the workbench and located above the turntable, and the power part is installed on the workbench and can drive the base to move upwards and abut against the limiting frame.

Further preferred embodiments of the present invention are: the turntable is provided with through holes with the same number as the jigs; the power portion is the cylinder, the base is located the top of through-hole, the cylinder is located the below of carousel, the telescopic link of cylinder can pass the through-hole and support with the base and lean on, and drive base rebound supports with spacing and supports and support and lean on.

Further preferred embodiments of the present invention are: the marking device further comprises a floating block and a top plate, the floating block is installed on the top plate through a reset spring, the top plate is installed on a telescopic rod of the air cylinder, and the air cylinder drives the top plate to move upwards to enable the floating block to be abutted to the base.

Further preferred embodiments of the present invention are: the turntable is provided with a positioning hole, the bottom of the base is provided with a positioning nail and a clamping block, the positioning nail is inserted into the positioning hole, the clamping block is clamped in the through hole, and the cylinder drives the floating block to abut against the clamping block.

Further preferred embodiments of the present invention are: the fixture further comprises a Hall switch used for sensing the magnetic field of the mobile phone receiver, the first positioning mechanism comprises a first bearing plate, the first bearing plate is installed on the base, and the Hall switch is arranged on the first bearing plate and located at one end of the first bearing plate in the length direction.

Further preferred embodiments of the present invention are: the jig further comprises a microswitch, a switch hole is formed in the first bearing plate, and the microswitch is arranged on the base and extends out of the upper surface of the first bearing plate from the switch hole.

Further preferred embodiments of the present invention are: the first positioning mechanism further comprises a first clamping assembly for positioning the mobile phone along the length direction of the mobile phone and a second clamping assembly for positioning the mobile phone along the width direction of the mobile phone, and the first clamping assembly and the second clamping assembly are both arranged on the base.

Further preferred embodiments of the present invention are: the second positioning mechanism comprises a second bearing plate and a cover plate, the second bearing plate is used for installing a card support, a profile groove used for containing the card support is formed in the second bearing plate, the cover plate is rotatably installed on the second bearing plate, the cover plate can rotate to the position above the profile groove to press the card support, and the second bearing plate is installed on the base.

Further preferred embodiments of the present invention are: the second positioning mechanism further comprises a base, and the second bearing plate is arranged on the base; the jig further comprises a sensor for detecting whether the card support exists or not, a mounting hole is formed in the bottom of the profiling groove, and the sensor is mounted on the base and located below the mounting hole.

The laser marking device has the advantages that when the laser marking is carried out, the first positioning mechanism and the second positioning mechanism respectively position the mobile phone and the card support, and after the marking mechanism marks the mobile phone on the first positioning mechanism, the marking can be directly carried out on the card support on the second positioning mechanism, so that the replacement time is reduced. In addition, a plurality of groups of jigs are arranged on the rotary table, and the rotary table is rotated, so that mobile phones and card holders on different groups of jigs can be positioned, and the marking efficiency is improved.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural diagram of a mobile phone and a marking device for multi-station clamping and supporting processing according to the present invention;

FIG. 2 is a schematic structural view of the marking mechanism of the present invention;

FIG. 3 is a schematic structural view of a jig according to the present invention;

FIG. 4 is a schematic top view of FIG. 3;

FIG. 5 is a schematic view of the structure A-A of FIG. 4;

FIG. 6 is a schematic structural view of a second positioning mechanism of the present invention;

FIG. 7 is a schematic structural diagram of a second carrier plate according to the present invention;

FIG. 8 is a schematic view of the power unit and the limiting frame of the present invention;

FIG. 9 is a schematic structural view of the turntable of the present invention;

FIG. 10 is a schematic view of the power section of the present invention;

FIG. 11 is another schematic view of the power section of the present invention;

FIG. 12 is a schematic view of the construction of the yard scanning gun of the present invention.

Wherein the reference numerals are as follows:

workbench 1 splitter 11

Through hole 21 positioning hole 22 induction switch 23 induction sheet 24 identification switch 25 identification block 26 of rotary table 2

Marking mechanism 3 lifting body 31 limiting block 311 laser 32 galvanometer component 33 transflective mirror component 34CCD component 35 light source component 36

The first X-direction adjusting plate 41 and the first Y-direction adjusting plate 42 of the base 4 position the nail 44 and the block 45

First positioning mechanism 5 first clamping assembly 51 position limit plate 511 fixed block 512 compression block 513 guide shaft 514 spring 515 inclined plane 516 second clamping assembly 52 first loading plate 53 hall switch 54 protection plate 55 microswitch 56

Second positioning mechanism 6 second bearing plate 61 contour groove 611 groove 612 mounting hole 613 cover plate 62 light transmission hole 621 support 63 magnet 64 sensor 65 base 66 second X-direction adjusting plate 661 second bottom plate 662

Top plate 72 return spring 73 of slider 71 of power unit 7

Stop block 81 of limiting frame 8

Sweep sign indicating number rifle 9 support 91

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the marking device for multi-station processing of a mobile phone and a card holder of the invention comprises a workbench 1, a turntable 2, a plurality of jigs for clamping the mobile phone and the card holder, and a marking mechanism 3 for laser marking the mobile phone and the card holder. The tool includes base 4, the second positioning mechanism 6 that is used for fixing a position the first positioning mechanism 5 of cell-phone and is used for the locator card to hold in the palm, and first positioning mechanism 5 and second positioning mechanism 6 are all installed on

base

4, and 4 blocks of base are established on

carousel

2, and 2 pivoted installations of carousel are on workstation 1, and marking mechanism 3 installs on workstation 1. When the laser is marked, the first positioning mechanism 5 and the second positioning mechanism 6 are used for respectively positioning the mobile phone and the card support, and after the marking of the mobile phone on the first positioning mechanism 5 by the marking mechanism 3 is completed, the card support on the second positioning mechanism 6 can be directly marked, so that the replacement time is shortened. In addition, be equipped with a plurality of groups of tool on the carousel 2, rotate carousel 2, can fix a position cell-phone and card support on the tool of different groups, improved and beaten mark efficiency.

As shown in fig. 2, the marking mechanism 3 includes a lifting body 31, a laser 32, a galvanometer assembly 33, a transflective mirror assembly 34, a CCD assembly 35, and a light source assembly 36. The laser 32 is slidably mounted on the lifting body 31, and the height of the laser 32 can be adjusted to ensure that the processing plane of the mobile phone or the card holder is always in the focus range. The lower end of the lifting body 31 is further provided with a limiting block 311, which can limit the descending height of the laser 32 and avoid the collision between the laser 32 and the turntable 2. The galvanometer component 33 is installed on the laser 32, the transflective mirror component 34 is installed on the galvanometer component 33 and forms an included angle of 45 degrees with the vertical direction, and the CCD component 35 is installed at the upper end of the transflective mirror component 34. The light emitted by the laser 32 passes through the galvanometer component 33 and the transflective mirror component 34 in sequence, and the transflective mirror component 34 reflects the laser to enable the laser propagation direction to be downward, so that the laser marking is carried out on the mobile phone or the card support. Meanwhile, the transparent mirror 34 can transmit other light rays, so that light required by the CCD assembly 35 fixed at the upper end of the transparent mirror 34 is transmitted, and CCD photographing positioning is realized. Therefore, light rays shot by the CCD coincide with laser to realize coaxiality, after the CCD assembly 35 shoots and positions the processing position of the mobile phone or the card support, laser processing is carried out under the condition that the mobile phone and the card support are not movable, and the processing precision and the processing efficiency are improved. The light source component 36 is arranged at the lower end of the transflective lens component 34, and the positioning characteristics of the mobile phone and the card holder are clearer and more accurate by polishing.

As shown in fig. 3, the base 4 includes a first X-direction regulating plate 41, a first Y-direction regulating plate 42, and a first bottom plate 43. The first X-direction adjusting plate 41 is installed on the first base plate 43, and the first Y-direction adjusting plate 42 is installed on the first X-direction adjusting plate 41. All be equipped with the bar hole on first X to regulating plate 41 and the first Y to regulating plate 42, can finely tune the position of two boards, and then adjust first positioning mechanism's position.

As shown in fig. 3 and 4, the first positioning mechanism 5 includes a first clamping assembly 51 for positioning the mobile phone along the length direction of the mobile phone and a second clamping assembly 52 for positioning the mobile phone along the width direction of the mobile phone, and the first clamping assembly 51 and the second clamping assembly 52 are both mounted on the base 4. When the mobile phone clamping device is used, the first clamping assembly 51 and the second clamping assembly 52 position the mobile phone in the length direction and the width direction, and the mobile phone is prevented from shaking.

Specifically, the first positioning mechanism 5 further includes a first bearing plate 53, and the first bearing plate 53 is mounted on the first Y-direction adjustment plate 42. Each of the first and

second clamping assemblies

51 and 52 includes a limit plate 511 and an elastic assembly, the limit plate 511 is mounted on the first loading plate 53, and the elastic assembly is mounted on the base 4 and is disposed opposite to the limit plate 511. When the mobile phone positioning device is used, the mobile phone is placed between the limiting plate 511 and the elastic component, and the elastic component and the limiting plate 511 position the mobile phone. Meanwhile, the device can be compatible with products in a certain size range, and the utilization rate of the device is improved.

As shown in fig. 5, the elastic assembly includes a fixing block 512, a pressing block 513, a guide shaft 514, and a spring 515 for positioning convenience. The fixed block 512 is installed on the base 4, the pressing block 513 is movably connected with the fixed block 512, and the spring 515 is sleeved on the guide shaft 514 and is arranged between the pressing block 513 and the fixed block 512 to provide clamping force for the pressing block 513. When the mobile phone is positioned, the pressing block 513 compresses the spring 515, and after the mobile phone is taken out, the spring 515 drives the pressing block 513 to restore the original position. Specifically, the pressing block 513 is provided with an inclined surface 516. When the mobile phone is placed, the inclined surface 516 of the pressing block 513 plays a guiding role, so that the elastic component can clamp the mobile phone conveniently.

Further, the jig further comprises a hall switch 54 capable of sensing a magnetic field of the handset, and the hall switch 54 is mounted on the first bearing plate 53 and located at one end of the first bearing plate 53 in the length direction. Therefore, the Hall switch 54 can be used for detecting the positive and negative positions of the mobile phone, and the situation that the marking effect is influenced by preventing the mobile phone from being reversed when the mobile phone is placed is avoided. As shown in fig. 3, the fixture further includes a protection plate 55, and the protection plate 55 is mounted on the first loading plate 53, so as to protect the hall switch 54 from being scratched by the mobile phone.

As shown in fig. 4, in order to detect whether there is a mobile phone on the first supporting plate 53, the fixture further includes a micro switch 56, a switch hole 531 is further formed on the first supporting plate 53, and the micro switch 56 is disposed on the base 4 and extends out of the upper surface of the first supporting plate 53 through the switch hole 531.

As shown in fig. 6 and 7, the second positioning mechanism 6 includes a second carrier plate 61 for positioning the card holder and a cover plate 62, and the second carrier plate 61 is provided with a contour groove 611 for accommodating the card holder. The cover plate 62 is rotatably mounted on the second supporting plate 61, and the cover plate 62 can be rotated above the contour groove 611 to press the card holder, and the second supporting plate 61 is mounted on the base 4. During the use, hold in the palm the card and place in the profile groove 611, it is fixed to recycle the position that apron 62 strengthens the card support, avoids holding in the palm the removal at the mark in-process card, influences and beats the mark effect. In addition, the profiling groove 611 can avoid the influence on the marking effect caused by the fact that the card holder is prevented from being reversed when the card holder is placed. In this embodiment, two profiling grooves 611 are formed on the second supporting plate 61, and correspondingly, two cover plates 62 are also provided, so that the second positioning mechanism 6 can position two card holders at a time, thereby improving the working efficiency.

Further, set up the light trap 621 that is used for beating the mark on the apron 62, need the laser to beat the mark, the laser passes through the light trap 621 and marks the card support. In other embodiments, the light hole 621 may not be formed, and the cover plate 62 needs to have a sufficiently narrow width to not affect the laser marking.

Specifically, the second positioning mechanism 6 further comprises a support 63, the support 63 is arranged on the second bearing plate 61, a strip-shaped hole is formed in the support 63, and the cover plate 62 is rotatably arranged in the strip-shaped hole, so that the position of the cover plate 62 on the support 63 can be adjusted, and the reliability of the positioning of the card holder is ensured.

Further, the second positioning mechanism 6 further includes a magnet 64 for attracting the cover plate 62, the magnet 64 is mounted on the second carrier plate 61, and the free end of the cover plate 62 can attract the magnet 64. The cover plate 62 is adsorbed by the magnet 64, so that the cover plate 62 is fixed after covering the card holder, and the marking precision is improved.

In this embodiment, the second carrier plate 61 is further provided with a groove 612, and the magnet 64 is located in the groove 612, so that when the free end of the cover plate 62 is attracted by the magnet 64, a hand of a user can easily open the cover plate 62 in the groove 612, and the card holder can be conveniently taken out.

Further, the second positioning mechanism further comprises a base 66, and the second carrier plate 61 is mounted on the base 66. The jig further comprises a sensor 65 for detecting whether the card is held or not, a mounting hole 613 is formed in the bottom of the profiling groove 611, and the sensor 65 is arranged on the base 66 and located below the mounting hole 613. In this embodiment, the sensor 65 is a photoelectric switch, so that the presence or absence of the card holder can be detected in time, and the working efficiency is improved.

In the present embodiment, the base 66 includes a second X-direction adjusting plate 661 and a second bottom plate 662. The second X-direction adjusting plate 661 is installed on the second base plate 662, the second loading plate 3 is installed on the second X-direction adjusting plate 661, and the second base plate 662 is connected with the first Y-direction adjusting plate 12. All be equipped with the bar hole on second X is to regulating plate 661 and the second loading board 61, the accessible screw 67 finely tunes the position of two boards, and then adjusts the position of second loading board 61.

As shown in figure 8, the marking device further comprises a power part 7 used for driving the jig to move up and down and a limiting frame 8 used for limiting the jig, wherein the limiting frame 8 is installed on the workbench 1 and located above the turntable 2, and the power part 7 is installed on the workbench 1 and can drive the base 4 to move upwards and abut against the limiting frame 8.

When the mobile phone card holder is used, the mobile phone and the card holder are positioned on the first positioning mechanism 5 and the second positioning mechanism 6. When the laser marks, the power part 7 drives the base 4 to move upwards and abuts against the limiting frame 8, and then the marking mechanism 4 carries out laser marking. Then, the base 4 falls back to the original position, the turntable 2 rotates to drive the unprocessed jig to rotate to the processing station, and the power part 7 drives the unprocessed jig to move upwards to abut against the limiting frame 8 for laser marking. Therefore, the marking height of each jig is consistent, namely, the marking height of each mobile phone and the marking height of each card support are consistent, and the purpose of improving the standard reaching precision is achieved.

As shown in fig. 9, the turntable 2 is provided with through holes 21 in the same number as the jigs, and the power unit 7 is an air cylinder. Base 4 is located the top of through-hole 21, and the cylinder is located the below of carousel 2, and the telescopic link of cylinder can pass through-hole 21 and support with base 4 and lean on, and drive base 4 rebound supports with spacing 8 and supports. When the jig is used, the telescopic rod of the air cylinder extends out to enable the telescopic rod to be abutted against the base 4, so that the jig is jacked up to be abutted against the limiting frame 8; after marking is accomplished, the telescopic link withdraws, and the tool falls on carousel 2 under the effect of gravity, free fall.

Specifically, the limiting frame 8 is provided with a stopper 81 for limiting. The cylinder drives the base 4 to move upwards and abut against the stop block 81, so that each jig is positioned on the same horizontal line during processing. Of course, the power unit 8 may be a robot, and the base 4 may be directly driven by the robot to abut against the stopper 81.

As shown in fig. 10 and 11, the marking device further includes a floating block 71 and a top plate 72, the top plate 72 is mounted on the telescopic rod of the air cylinder, the floating block 71 is mounted on the top plate 72 through a return spring 73, and the top plate 72 is mounted on the telescopic rod of the air cylinder. The air cylinder drives the top plate 72 to move upwards, so that the floating block 71 abuts against the base 4, and when the floating block 71 is in contact with the base 4, the return spring 73 can play a role of buffering, and rigid contact between the floating block 71 and the base 4 is avoided. When the mobile phone contacts the stop 81, the spring 73 also has a buffering effect, so that the mobile phone is prevented from being damaged by large impact on the stop 81, and the yield is improved.

As shown in fig. 5 and 9, the turntable 2 is provided with a positioning hole 22, the bottom of the base 4 is provided with a positioning nail 44 and a fixture block 45, the positioning nail 44 is inserted into the positioning hole 22, the fixture block 45 is clamped in the through hole 21, and the cylinder drives the floating block 71 to abut against the fixture block 45. Thus, when marking, the jig is jacked up by the air cylinder, the fixture block 45 is separated from the through hole 21, and the positioning nail 44 is separated from the positioning hole 22. After marking is finished, the jig freely falls down, the positioning nail 44 is inserted into the positioning hole 22, and the fixture block 45 is clamped into the through hole 21. Like this carousel 2 when rotating, the tool can not remove, has improved and has beaten mark efficiency. In the present embodiment, the latch 45 is made of acrylic rubber. When the acrylic rubber contacts the slider 71, the elasticity of the acrylic rubber itself can play a role of buffering, avoiding impact.

As shown in fig. 9, the marking device is further provided with a divider 11 to realize the rotational positioning of the turntable 2. The divider 11 is installed on the workbench 1 and is in transmission connection with a speed regulating motor through a synchronous belt and a synchronous belt wheel, and the speed regulating motor can drive the divider 11 to rotate. This marking device is still including being used for responding to 2 pivoted positions of carousel first response subassemblies, and first response subassembly includes inductive switch 23 and response piece 24, and inductive switch 23 is installed on workstation 1, responds to 24 installation turntables 2 on. In this embodiment, the marking device is provided with four sets of jigs, and each set of jig corresponds to a station. Specifically, the sensing piece 24 has a fan-shaped protrusion of 60 degrees, and can sense the signal sent by the sensing switch 23, and the sent signal indicates that the divider has rotated one station, namely, has rotated to the next fixture, so that the processing efficiency is improved.

Specifically, marking device still includes the second response subassembly that is used for detecting tool turned position, and the second response subassembly includes identification switch 25 and discernment piece 26, and discernment piece 26 is installed on carousel 2, and identification switch 25 installs on workstation 1. In the present embodiment, two identification switches 25 and two identification blocks 26 are provided, which are named as a first identification switch, a second identification switch, a first identification block, and a second identification block, respectively. When the station is turned to the station as shown in fig. 8, the first identification block and the second identification block respectively sense the first identification switch and the second identification switch, and then signals (1, 1) are sent; when the next station is switched to, the first identification block and the second identification switch are induced, and a (0, 1) signal is sent out at the moment; when the station is rotated again, the non-identification block 26 is inducted with the identification switch 25, and then a (0, 0) signal is sent out; when a station is rotated again, the second identification block is induced by the first identification switch to send out (1, 0) signals, so that the identification of four stations is realized, the four stations can process different products, and the processing error can be conveniently traced.

As shown in fig. 1 and 12, the marking device further includes a code scanning gun 9 for determining marking contents, and the code scanning gun 9 is mounted on the table 1. In this embodiment, equipment up to standard still includes installing support 91, and installing support 91 installs on workstation 1, sweeps a yard rifle 9 and installs on installing support 91. Sweep sign indicating number rifle 9 and can read according to the two-dimensional code of pasting on the cell-phone finished product, confirm the processing information, adapt to different marking requirements, improved machining efficiency.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.

Claims

1. The utility model provides a marking equipment of cell-phone and card support multistation processing which characterized in that:

a work table;

the rotary table is rotatably arranged on the workbench;

the marking mechanism is arranged on the workbench and used for laser marking of the mobile phone and the card holder;

the jigs are arranged on the rotary table;

the jig comprises a base, a first positioning mechanism for positioning the mobile phone and a second positioning mechanism for positioning the card holder; the first positioning mechanism and the second positioning mechanism are both installed on the base, and the base is clamped on the turntable.

2. Marking device according to claim 1, characterized in that: the marking device further comprises a power part and a limiting frame, the power part is used for driving the jig to move up and down, the limiting frame is used for limiting the jig, the limiting frame is installed on the workbench and located above the turntable, and the power part is installed on the workbench and can drive the base to move upwards and abut against the limiting frame.

3. Marking device according to claim 2, characterized in that: the turntable is provided with through holes with the same number as the jigs; the power portion is the cylinder, the base is located the top of through-hole, the cylinder is located the below of carousel, the telescopic link of cylinder can pass the through-hole and support with the base and lean on, and drive base rebound supports with spacing and supports and support and lean on.

4. Marking device according to claim 3, characterized in that: the marking device further comprises a floating block and a top plate, the floating block is installed on the top plate through a reset spring, the top plate is installed on a telescopic rod of the air cylinder, and the air cylinder drives the top plate to move upwards to enable the floating block to be abutted to the base.

5. Marking device according to claim 4, characterized in that: the turntable is provided with a positioning hole, the bottom of the base is provided with a positioning nail and a clamping block, the positioning nail is inserted into the positioning hole, the clamping block is clamped in the through hole, and the cylinder drives the floating block to abut against the clamping block.

6. Marking device according to any one of claims 1 to 5, characterized in that: the fixture further comprises a Hall switch used for sensing the magnetic field of the mobile phone receiver, the first positioning mechanism comprises a first bearing plate, the first bearing plate is installed on the base, and the Hall switch is arranged on the first bearing plate and located at one end of the first bearing plate in the length direction.

7. Marking device according to claim 6, characterized in that: the jig further comprises a microswitch, a switch hole is formed in the first bearing plate, and the microswitch is arranged on the base and extends out of the upper surface of the first bearing plate from the switch hole.

8. The marking device of claim 7, wherein: the first positioning mechanism further comprises a first clamping assembly for positioning the mobile phone along the length direction of the mobile phone and a second clamping assembly for positioning the mobile phone along the width direction of the mobile phone, and the first clamping assembly and the second clamping assembly are both arranged on the base.

9. Marking device according to any one of claims 1 to 5, characterized in that: the second positioning mechanism comprises a second bearing plate and a cover plate, the second bearing plate is used for installing a card support, a profile groove used for containing the card support is formed in the second bearing plate, the cover plate is rotatably installed on the second bearing plate, the cover plate can rotate to the position above the profile groove to press the card support, and the second bearing plate is installed on the base.

10. The marking device of claim 9, wherein: the second positioning mechanism further comprises a base, and the second bearing plate is arranged on the base; the jig further comprises a sensor for detecting whether the card support exists or not, a mounting hole is formed in the bottom of the profiling groove, and the sensor is mounted on the base and located below the mounting hole.