CN113858818A

CN113858818A - Marking system

Info

Publication number: CN113858818A
Application number: CN202111124590.5A
Authority: CN
Inventors: 宋佳庆; 周冠鸿; 孟萌; 刘诗雨; 刘世基; 张力夫
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2021-12-31

Abstract

The present invention provides a marking system, comprising: the automatic labeling machine comprises a workbench, wherein a plurality of stations are arranged on the workbench, the plurality of stations comprise a feeding station, a first labeling station, a detection station and a discharging station, the first labeling station is positioned between the feeding station and the discharging station, and the detection station is positioned between the first labeling station and the discharging station; the positioning device is connected with the workbench and movably arranged relative to the workbench so as to transfer among a plurality of stations; receiving a to-be-marked part of a product when the positioning device is positioned at a feeding station, and blanking the to-be-marked part when the positioning device is positioned at a blanking station; the first laser marking machine is positioned at the first marking station and used for marking the to-be-marked part at the first marking station so as to mark the product information of the product on the to-be-marked part; the first visual detection device is located at a detection station and used for detecting whether the product information is marked qualified or not. The invention solves the problem of low production efficiency of the marking system in the prior art.

Description

Marking system

Technical Field

The invention relates to the field of laser marking, in particular to a marking system.

Background

At present, all be equipped with the handle of plastics material on the outer machine of air conditioner in order to facilitate the transport, the inboard paper wiring diagram that pastes of handle is in order to make things convenient for the installer to overhaul. In the industry, a post for manually pasting the paper circuit diagram is generally set on an air conditioner handle assembly line, and the staff is responsible for pasting the paper circuit diagram on the inner side of the handle. In addition, a post for installing a handle is arranged on an assembly line, and the worker is responsible for assembling the handle with the circuit diagram attached to the side of the outdoor unit. In the whole handle installation process, manual intervention is needed, the automation degree is low, and the efficiency is low.

Disclosure of Invention

The invention mainly aims to provide a marking system to solve the problem that the production efficiency of the marking system in the prior art is low.

In order to achieve the above object, the present invention provides a marking system comprising: the automatic labeling machine comprises a workbench, wherein a plurality of stations are arranged on the workbench, the plurality of stations comprise a feeding station, a first labeling station, a detection station and a discharging station, the first labeling station is positioned between the feeding station and the discharging station, and the detection station is positioned between the first labeling station and the discharging station; the positioning device is connected with the workbench and movably arranged relative to the workbench so as to transfer among a plurality of stations; receiving a to-be-marked part of a product when the positioning device is positioned at a feeding station, and blanking the to-be-marked part when the positioning device is positioned at a blanking station; the first laser marking machine is positioned at the first marking station and used for marking the to-be-marked part at the first marking station so as to mark the product information of the product on the to-be-marked part; the first visual detection device is located at a detection station and used for detecting whether the product information is marked qualified or not.

Furthermore, the multiple stations further comprise a second marking station, and the second marking station is arranged between the detection station and the blanking station; the marking system further includes: and the second laser marking machine is positioned at the second marking station to mark the to-be-marked part of the second marking station, mark the code matched with the product on the to-be-marked part and assemble the to-be-marked part on the corresponding product according to the code.

Further, the marking system further comprises: and the code reader is positioned at the blanking station and used for reading the code of the to-be-marked piece so as to assemble the to-be-marked piece on a corresponding product after blanking.

Further, the marking system further comprises: the controller is in communication connection with the second laser marking machine and the code reader; the first visual detection device is in communication connection with the controller, and sends a qualified signal to the controller when the first visual detection device detects that the product information is qualified, so that the controller controls the second laser marking machine and the code reader to perform corresponding operation on the workpiece to be marked and then perform blanking; and when the first visual detection device detects that the product information is unqualified, an unqualified signal is sent to the controller, so that the controller controls the to-be-marked part to directly move to a blanking station for blanking.

Further, the marking system further comprises: the indexing turntable is arranged on the workbench and can be rotatably arranged relative to the workbench, and the positioning device is arranged on the indexing turntable; the plurality of stations are arranged at intervals around the rotating center line of the indexing turntable, and the plurality of stations are arranged at intervals according to the indexing value of the indexing turntable.

Furthermore, a plurality of positioning devices are arranged on the indexing turntable and are arranged at intervals according to the indexing value of the indexing turntable.

Further, the marking system further comprises: unloading tilting mechanism sets up at the unloading station, and unloading tilting mechanism includes support frame and the first clamping jaw of being connected with the support frame, and the relative support frame of first clamping jaw rotationally sets up to make first clamping jaw press from both sides to get to wait on the positioner and beat the mark piece and drive and wait to beat the upset of mark piece and predetermine the angle.

Further, the positioning device includes: a second jaw; the first driving part is connected with the second clamping jaw to drive the second clamping jaw to open or close so as to clamp the part to be marked.

Further, the marking system further comprises: the material frame is used for bearing a plurality of pieces to be marked; the feeding device comprises a conveying line and a feeding mechanism, wherein the conveying line is used for conveying a material frame, the feeding mechanism comprises a frame, a transferring component and a material taking part, the transferring component is arranged on the frame, the material taking part is connected with the transferring component, the transferring component is movably arranged to drive the material taking part to move, and the material taking part is used for conveying a to-be-marked part in the material frame to a positioning device of a material feeding station.

Further, the marking system further comprises: the controller is in communication connection with the transfer assembly; the second visual detection device is connected with the material taking part and is in communication connection with the controller, and the second visual detection device is used for acquiring the position of the to-be-marked part in the material frame and sending the position of the to-be-marked part to the controller so that the controller controls the transfer assembly to move and the material taking part moves to the position of the to-be-marked part to take materials.

The workbench of the marking system is provided with a plurality of stations, and the stations comprise a feeding station, a first marking station, a detection station and a discharging station; when the positioning device is positioned at a feeding station, the positioning device receives a part to be marked; then, the positioning device drives the to-be-marked piece to move to a first marking station, so that the first laser marking machine marks the to-be-marked piece, and the product information of the product is marked on the to-be-marked piece; after marking is finished, the positioning device drives the to-be-marked piece to move to a detection station, so that the first visual detection device detects whether the product information is qualified or not in marking; after detection is completed, the positioning device drives the to-be-marked part to move to a blanking station, and blanking is performed on the to-be-marked part. The marking system can realize the feeding, marking detection and discharging of the to-be-marked piece, does not need manual intervention, realizes the automation of marking, and improves the production efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows an isometric view of an embodiment of a marking system according to the present invention;

FIG. 2 shows a top view of an embodiment of a marking system according to the present invention;

FIG. 3 shows a close-up view of an embodiment of a marking system according to the present invention;

FIG. 4 shows a schematic view of a positioning device and an item to be marked of the marking system according to the present invention;

FIG. 5 shows a schematic view of a code reader of a marking system according to the present invention;

FIG. 6 shows a schematic view of a blanking inverting mechanism and a part to be marked of the marking system according to the present invention;

FIG. 7 shows a schematic view of a positioning device of the marking system according to the present invention;

fig. 8 shows a schematic view of a blanking turnover mechanism of a marking system according to the present invention.

Wherein the figures include the following reference numerals:

10. a work table; 11. a feeding station; 12. a first marking station; 13. detecting a station; 14. a blanking station; 15. a second marking station; 20. a positioning device; 21. a second jaw; 22. a first driving member; 30. a first laser marking machine; 40. a first visual inspection device; 50. a second laser marking machine; 60. a code reader; 61. a support member; 70. indexing the rotary table; 80. a blanking turnover mechanism; 81. a support frame; 82. a first jaw; 83. a rotating shaft; 84. a connecting plate; 85. turning over a motor; 86. a synchronous pulley assembly; 90. material frame; 100. a feeding device; 101. a conveying line; 102. a feeding mechanism; 103. a frame; 104. a transfer component; 105. taking a material part; 106. a first linear module; 107. a second linear module; 108. a transition piece; 109. a third linear module; 110. a second visual detection device;

1. the part to be marked.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a marking system, please refer to fig. 1 to 8, including: the automatic labeling machine comprises a workbench 10, wherein a plurality of stations are arranged on the workbench 10, the plurality of stations comprise a feeding station 11, a first labeling station 12, a detection station 13 and a discharging station 14, the first labeling station 12 is located between the feeding station 11 and the discharging station 14, and the detection station 13 is located between the first labeling station 12 and the discharging station 14; a positioning device 20 connected to the worktable 10 and movably disposed with respect to the worktable 10 to transfer between a plurality of stations; receiving a to-be-marked part 1 of a product when the positioning device 20 is positioned at the feeding station 11, and blanking the to-be-marked part 1 when the positioning device 20 is positioned at the blanking station 14; the first laser marking machine 30 is positioned at the first marking station 12 and is used for marking the to-be-marked part 1 of the first marking station 12 so as to mark the product information of the product on the to-be-marked part 1; the first visual detection device 40 is located at the detection station 13, and the first visual detection device 40 is used for detecting whether the product information is qualified in marking.

The workbench 10 of the marking system is provided with a plurality of stations, wherein the stations comprise a feeding station 11, a first marking station 12, a detection station 13 and a blanking station 14; when the positioning device 20 is positioned at the feeding station 11, the positioning device 20 receives a to-be-marked part 1; then, the positioning device 20 drives the to-be-marked part 1 to move to the first marking station 12, so that the first laser marking machine 30 marks the to-be-marked part 1, and marks the product information of the product on the to-be-marked part 1; after marking is finished, the positioning device 20 drives the to-be-marked part 1 to move to the detection station 13, so that the first visual detection device 40 detects whether the product information is qualified or not; after the detection is completed, the positioning device 20 drives the to-be-marked part 1 to move to the blanking station 14, and the to-be-marked part 1 is blanked. The marking system can realize the feeding, marking detection and discharging of the part to be marked 1 without manual intervention, realizes the automation of marking, and improves the production efficiency.

Specifically, the product is a household appliance, and the mark on the to-be-marked member 1 is a circuit diagram of the household appliance, that is, the product information is the circuit diagram. Of course, the product can be of other types, and the mark on the to-be-marked member 1 can also be other product information.

Specifically, the product is an air conditioner outdoor unit, the to-be-marked member 1 is a lifting handle, the lifting handle is arranged on the side wall of the air conditioner outdoor unit, and the product information is a circuit diagram of the air conditioner outdoor unit.

Specifically, the first visual inspection device 40 includes a first camera and a first light source, the first light source is used for illumination, the first camera is used for shooting an image of the product information, the first visual inspection device 40 compares the image of the product information shot by the first camera with an image of preset product information, and if the images are the same, the product information is qualified; if the difference is not the same, the product information is unqualified.

In this embodiment, the marking system further includes a first manipulator and a second manipulator, where the first manipulator is configured to convey the qualified to-be-marked article 1 to an assembly station, so that the to-be-marked article 1 is assembled to a product; the second manipulator is used for conveying unqualified to-be-marked piece 1 to the unqualified product storage part so as to recover the unqualified product.

In this embodiment, the plurality of stations further include a second marking station 15, and the second marking station 15 is disposed between the detection station 13 and the blanking station 14; the marking system further includes: and the second laser marking machine 50 is positioned at the second marking station 15 and is used for marking the to-be-marked part 1 of the second marking station 15 so as to mark the code matched with the product on the to-be-marked part 1, and assembling the to-be-marked part 1 on the corresponding product according to the code.

In particular, the code is a bar code.

In this embodiment, the marking system further includes: and the code reader 60 is positioned at the blanking station 14, and the code reader 60 is used for reading the code of the to-be-marked member 1 so as to assemble the to-be-marked member 1 on a corresponding product after blanking. Specifically, the code reader 60 reads the code of the to-be-marked piece 1 and then sends the code to the controller, so that the controller matches the code with the corresponding product, and the first manipulator is controlled to convey the to-be-marked piece 1 to the product matched with the to-be-marked piece 1 for assembly, so that the to-be-marked piece 1 is automatically matched with the product, and the automation level is improved.

Specifically, the marking system further includes a support 61, the support 61 is provided on the table 10, and the code reader 60 is positionally adjustably provided on the support 61. Such an arrangement facilitates adjustment of the code reader 60 to the appropriate range.

In this embodiment, the marking system further includes: the controller is in communication connection with the second laser marking machine 50 and the code reader 60; the first visual detection device 40 is in communication connection with the controller, and sends a qualified signal to the controller when the first visual detection device 40 detects that the product information is qualified, so that the controller controls the second laser marking machine 50 and the code reader 60 to perform corresponding operation on the to-be-marked piece 1 and then perform blanking; and when the first visual detection device 40 detects that the product information is unqualified, sending an unqualified signal to the controller, so that the controller controls the to-be-marked part 1 to directly move to the blanking station 14 for blanking.

Specifically, when the first visual detection device 40 detects that the product information is qualified, the positioning device 20 drives the to-be-marked part 1 to move to the second marking station 15, so that the second laser marking machine 50 marks the to-be-marked part 1, and when the to-be-marked part 1 moves to the blanking station 14, the code reader 60 reads the code of the to-be-marked part 1; after completion, the first manipulator conveys the object 1 to be marked to the matched product.

Specifically, when the first visual inspection device 40 detects that the product information is unqualified, the positioning device 20 drives the to-be-marked piece 1 to pass through the second marking station 15 without marking operation, and does not read codes when moving to the blanking station 14, blanking is performed directly, and the to-be-marked piece 1 is placed in an unqualified product storage part by the second manipulator.

In this embodiment, the marking system further includes: an index dial 70 provided on the table 10 and rotatably provided with respect to the table 10, the positioning device 20 being provided on the index dial 70; wherein a plurality of stations are arranged at intervals around the center line of rotation of the index dial 70, and a plurality of stations are arranged at intervals by the index value of the index dial 70.

In the present embodiment, the index dial 70 is provided with a plurality of positioning devices 20, and the plurality of positioning devices 20 are arranged at intervals according to the index value of the index dial 70. The arrangement enables the marking system to operate a plurality of to-be-marked members 1 at the same time, and production efficiency is improved.

In one embodiment, 8 identical positioning devices 20 are arranged on the indexing turntable 70 and are distributed uniformly around the circumference, and can be rotated by the indexing turntable 70 to rotate by one station angle at a time.

In this embodiment, the marking system further includes: unloading tilting mechanism 80 sets up at unloading station 14, and unloading tilting mechanism 80 includes support frame 81 and the first clamping jaw 82 of being connected with support frame 81, and first clamping jaw 82 is rotatable to be set up relative support frame 81 to make first clamping jaw 82 press from both sides and get the mark piece 1 of treating on the positioner 20 and drive and treat to mark a preset angle of 1 upset. Specifically, the part to be marked 1 is driven to turn over by a preset angle, so that the part to be marked 1 is assembled on a product subsequently.

Wherein the preset angle is 180 degrees.

Specifically, the blanking turnover mechanism 80 further includes a rotating shaft 83 and a connecting plate 84, the rotating shaft is rotatably disposed on the supporting frame 81, the connecting plate 84 is connected with the rotating shaft 83, and the first clamping jaw 82 is disposed on the connecting plate 84. Wherein, the first clamping jaw 82 is driven by a cylinder to open and close, the cylinder is arranged on the connecting plate 84, and the cylinder is connected with the first clamping jaw 82.

Specifically, the rotation shaft 83 is rotated by a reversing motor 85 and a timing pulley assembly 86.

In the present embodiment, the positioning device 20 includes: a second jaw 21; the first driving member 22 is connected to the second clamping jaw 21 to drive the second clamping jaw 21 to open or close, so as to clamp the to-be-marked member 1.

Alternatively, the first driver 22 is a cylinder.

Specifically, the positioning device 20 further includes a sensing member, and after the sensing member detects the to-be-marked member 1 conveyed by the material taking member 105, the first driving member 22 drives the second clamping jaw 21 to close so as to clamp the to-be-marked member 1.

In this embodiment, the marking system further includes: the material frame 90 is used for bearing a plurality of pieces to be marked 1; the feeding device 100 comprises a conveying line 101 and a feeding mechanism 102, wherein the conveying line 101 is used for conveying the material frame 90, the feeding mechanism 102 comprises a frame 103, a transferring component 104 arranged on the frame 103 and a material taking piece 105 connected with the transferring component 104, and the transferring component 104 is movably arranged to drive the material taking piece 105 to move, so that the material taking piece 105 can convey the to-be-marked piece 1 in the material frame 90 to the positioning device 20 of the feeding station 11.

Specifically, the take-off member 105 is a vacuum chuck.

In this embodiment, the controller is in communication with the transfer assembly 104; the second visual detection device 110 is connected with the material taking part 105, the second visual detection device 110 is in communication connection with the controller, and the second visual detection device 110 is used for acquiring the position of the to-be-marked part 1 in the material frame 90 and sending the position of the to-be-marked part 1 to the controller, so that the controller controls the transfer assembly 104 to move, and the material taking part 105 moves to the to-be-marked part 1 to take materials.

Specifically, the second visual inspection device 110 includes a second camera and a second light source, the second light source is used for lighting, and the second camera is used for shooting the image of the material frame 90, so that the second visual inspection device 110 obtains the position of the to-be-marked part 1 in the material frame through the image of the material frame 90, and the material taking of the material taking part 105 is facilitated.

Specifically, the transfer assembly 104 includes a first linear module 106, a second linear module 107, a transition connector 108 and a third linear module 109, the first linear module 106 is disposed on the rack 103, and the first linear module 106 is connected to the second linear module 107 to drive the second linear module 107 to perform linear reciprocating motion along a first horizontal direction; the second linear module 107 is connected with the transition piece 108 to drive the transition piece 108 to do linear reciprocating motion along a second horizontal direction; the third linear module is disposed on the transition connection member 108, and the third linear module is connected to the material taking member 105 to drive the material taking member 105 to perform linear reciprocating motion along the vertical direction. Wherein the second visual inspection device 110 is disposed on the transition piece 108.

During specific implementation, the lifting handle (namely the part 1 to be marked) is arranged horizontally according to a certain rule and stored in the customized material frame 90, the inner side of the lifting handle faces upwards, and the marking system firstly feeds materials in a material frame 90 conveying mode. Firstly, the material frames 90 provided with the handles are sequentially and orderly conveyed to a designated position through the conveying line 101 and stopped, and the conveying line 101 is provided with a material frame positioning mechanism which stops the material frames 90 at a preset material loading position. The material taking piece 105 and the second visual detection device 110 are positioned above the conveying line 101, the position of the handle in the material frame is judged through the second visual detection device 110, the material is taken by the material taking piece 105, and the handle is placed in the positioning device 20 of the material feeding station 11. After the handle is positioned in the positioning device 20, firstly, laser marking is carried out on the circuit diagram, the circuit diagram is marked by a first laser marking machine 30, the handle enters a detection station 13 after the marking of the circuit diagram is finished, a first visual detection device 40 arranged on the side of the first laser marking machine 30 detects defects of the circuit diagram, if the circuit diagram is judged to be qualified, the handle enters a second marking station 15, a bar code is marked by a second laser marking machine 50 arranged above the second marking station 15, after the marking of the bar code is finished, the handle is shifted to a blanking station, a code reader 60 arranged above the blanking station reads the code, after the code reading is finished, the blanking turnover mechanism 80 clamps and overturns the handle, the outer side of the handle faces upwards, and the first mechanical arm clamps and enters the next process. When the first visual detection device 40 detects and judges that the handle is unqualified, the handle is shifted to a subsequent station, then bar code marking and code reading are not executed, and the handle is directly turned over and clamped by the second mechanical arm to enter the next procedure.

The technical problem that this application was solved: the paper circuit diagram of the handle of the air conditioner external unit in the industry is pasted and installed by manual operation, and the efficiency is low.

The beneficial effect of this application: the laser marking mode is used for replacing the original paper circuit diagram pasting mode, the automation of marking and installing the handle circuit diagram of the air conditioner outdoor unit can be realized through the marking system, and the industrial blank is filled.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A marking system, comprising:

the automatic feeding device comprises a workbench (10), wherein a plurality of stations are arranged on the workbench (10), the stations comprise a feeding station (11), a first marking station (12), a detection station (13) and a discharging station (14), the first marking station (12) is located between the feeding station (11) and the discharging station (14), and the detection station (13) is located between the first marking station (12) and the discharging station (14);

a positioning device (20) connected to said worktable (10) and movably arranged with respect to said worktable (10) to transfer between a plurality of said work stations; receiving a to-be-marked part (1) of a product when the positioning device (20) is at the feeding station (11), and discharging the to-be-marked part (1) when the positioning device (20) is at the discharging station (14);

the first laser marking machine (30) is positioned at the first marking station (12) and is used for marking the to-be-marked piece (1) of the first marking station (12) so as to mark the product information of the product on the to-be-marked piece (1);

the first visual detection device (40) is located at the detection station (13), and the first visual detection device (40) is used for detecting whether the product information is qualified in marking.

2. Marking system according to claim 1, characterized in that the plurality of stations further comprises a second marking station (15), the second marking station (15) being arranged between the detection station (13) and the blanking station (14); the marking system further includes:

and the second laser marking machine (50) is positioned at the second marking station (15) to mark the to-be-marked part (1) at the second marking station (15), mark the to-be-marked part (1) with a code matched with the product, and assemble the to-be-marked part (1) on the corresponding product according to the code.

3. The marking system of claim 2, further comprising:

the code reader (60) is positioned at the blanking station (14), and the code reader (60) is used for reading the code of the to-be-marked piece (1) so that the to-be-marked piece (1) is assembled on the corresponding product after being blanked.

4. The marking system of claim 3, further comprising:

the controller is in communication connection with the second laser marking machine (50) and the code reader (60);

the first visual detection device (40) is in communication connection with the controller, and when the first visual detection device (40) detects that the product information is qualified, a qualified signal is sent to the controller, so that the controller controls the second laser marking machine (50) and the code reader (60) to perform corresponding operation on the to-be-marked piece (1) and then blanking is performed;

and when the first visual detection device (40) detects that the product information is unqualified, sending an unqualified signal to the controller, so that the controller controls the to-be-marked part (1) to directly move to the blanking station (14) for blanking.

5. Marking system according to any one of claims 1 to 4, further comprising:

the indexing turntable (70) is arranged on the workbench (10) and can be rotatably arranged relative to the workbench (10), and the positioning device (20) is arranged on the indexing turntable (70); the plurality of the stations are arranged around the rotation center line of the index rotary disc (70) at intervals, and the plurality of the stations are arranged at intervals according to the index value of the index rotary disc (70).

6. Marking system according to claim 5, characterized in that a plurality of positioning devices (20) are provided on the indexing turntable (70), the positioning devices (20) being arranged at intervals by a division value of the indexing turntable (70).

7. Marking system according to any one of claims 1 to 4, further comprising:

unloading tilting mechanism (80), the setting is in unloading station (14), unloading tilting mechanism (80) including support frame (81) and with first clamping jaw (82) that support frame (81) are connected, first clamping jaw (82) are relative support frame (81) rotationally set up, so that first clamping jaw (82) clamp is got on positioner (20) wait to beat and mark piece (1) and drive wait to beat and mark piece (1) upset and predetermine the angle.

8. Marking system according to any one of claims 1 to 4, characterized in that the positioning device (20) comprises:

a second jaw (21);

the first driving piece (22) is connected with the second clamping jaw (21) to drive the second clamping jaw (21) to open or close so as to clamp the to-be-marked part (1).

9. Marking system according to any one of claims 1 to 4, further comprising:

the material frame (90) is used for bearing a plurality of pieces (1) to be marked;

loading attachment (100), including transfer chain (101) and feed mechanism (102), transfer chain (101) are used for carrying material frame (90), feed mechanism (102) include frame (103), set up in frame (103) move transfer assembly (104) and with move the material piece (105) of getting that transfer assembly (104) are connected, move transfer assembly (104) movably and set up, in order to drive get material piece (105) motion, so that get material piece (105) will in material frame (90) wait to mark piece (1) carry extremely positioner (20) department of material loading station (11).

10. The marking system of claim 9, further comprising:

a controller in communication connection with the transfer assembly (104);

the second visual detection device (110) is connected with the material taking part (105), the second visual detection device (110) is in communication connection with the controller, and the second visual detection device (110) is used for acquiring the position of the to-be-marked part (1) in the material frame (90) and sending the position of the to-be-marked part (1) to the controller so as to enable the controller to control the transfer assembly (104) to move and enable the material taking part (105) to move to the to-be-marked part (1) for taking materials.