CN208246044U - A kind of laser code apparatus in recording device - Google Patents
A kind of laser code apparatus in recording device Download PDFInfo
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- CN208246044U CN208246044U CN201820451174.3U CN201820451174U CN208246044U CN 208246044 U CN208246044 U CN 208246044U CN 201820451174 U CN201820451174 U CN 201820451174U CN 208246044 U CN208246044 U CN 208246044U
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- recording device
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Abstract
The utility model discloses the laser code apparatus in a kind of recording device, including laser machine, several for the chip carrier of chip placement, for driving chip seat pick and place the transversal driving mechanism moved between station and Laser Jet station in chip；Wherein, the surface of Laser Jet station is arranged in the head of the laser machine.The laser code apparatus can stamp corresponding coding on chip, so that identifiable mark is provided on all chips, so as to be managed to chip standardized and orderlyly.
Description
Technical field
The utility model relates to chip manufacture equipment, and in particular to the laser code apparatus in a kind of recording device.
Background technique
Cd-rom recorder is the tool for programmable integrated circuit being write data, is mainly used for single-chip microcontroller memory etc
Chip programming (writing with a brush dipped in Chinese ink).In existing intelligent equipment, it is equipped with special chip mostly, for storing the phase of equipment
Close information and job information etc..Generally, these chips are needed through burning chip device before factory by electronic equipment institute
The data elder generation burning needed is among chip；The process of its burning is that first the chip by non-burning is transported to from feeding device
On positioning seat, then the chip of non-burning is transported in cd-rom recorder by carrying mechanism, burning is carried out to chip by cd-rom recorder,
Finally the chip of burning is transported in corresponding collecting mechanism by carrying mechanism again, to complete the burning of chip, in turn
It is installed in corresponding equipment.
There are deficiencies below for existing recording device:
Due to most of same type chip shape all, it is difficult to batch and the rule of chip are judged from shape
Lattice are easy that confusion occurs in the collection and installation process of chip, influence normally to work.And do not have in existing recording device
For carrying out the device of mark knowledge to chip, corresponding identification marking can not be stamped to chip.
Utility model content
The purpose of the utility model is to overcome above-mentioned problem, the Laser Jet dress in a kind of recording device is provided
It sets, which can stamp corresponding coding on chip, so that being provided with identifiable mark on all chips
Know, so as to be managed to chip standardized and orderlyly.
The purpose of this utility model is achieved through the following technical solutions:
A kind of laser code apparatus in recording device, including laser machine, several for chip placement chip carrier, use
The transversal driving mechanism moved between station and Laser Jet station is picked and placed in chip in driving chip seat；Wherein, the laser
The surface of Laser Jet station is arranged in the head of machine.
The working principle of above-mentioned laser code apparatus is:
Generally, under the driving of transversal driving mechanism, chip carrier is moved to chip and picks and places in station；When burning chip knot
Chip is transported to chip and picked and placed on the chip carrier of station by Shu Hou, the carrying mechanism in recording device, then, then laterally driven
Under the driving of mechanism, chip carrier is moved in Laser Jet station, is irradiated by laser machine to the chip in chip carrier, thus
Stamp corresponding mark；Then structure driving chip seat is moved in chip pick-and-place station laterally driven machine again, finally by carrying
Mechanism is by the chip of stamp is moved on chip carrier.
One preferred embodiment of the utility model, wherein the chip carrier is socket burnt-in seat, which includes being located below
Fixing seat, the sliding seat that can fix seat sliding relatively that is located above and the clamping element that is hinged in sliding seat；The work
Dynamic seat is hollow structure, and is covered outside the upper end of fixing seat；The middle position of the upper surface of the fixing seat is equipped with chip slot, should
It is equipped with rotating bar positioned at the both ends of chip slot on the upper surface of fixing seat, clamping element one end hinged with sliding seat is additionally provided with
Arc surface is rotated, which is adjacent in rotating bar；
Several compressed springs are equipped between the sliding seat and fixing seat；The upper end of the compressed spring is pushed against activity
On the lower end surface of seat, lower end is pushed against in fixing seat.
One preferred embodiment of the utility model, wherein the side of the socket burnt-in seat, which is equipped with, to be located on transversal driving mechanism
The driving mechanism for compressing that the relatively fixed seat of the driving sliding seat of side slides down, which includes acting on sliding seat
Upper surface compressing member and driving compressing member do the compression actuator of vertical motion.
By above structure, under the driving for compressing actuator, compressing member moves down, to press sliding seat down
Mobile, since clamping element is hinged in sliding seat, and the lower end of the rotation arc surface of clamping element is adjacent in rotating bar, so
With moving down for sliding seat, one end on clamping element far from hinge joint is up rotated around hinge joint, to form open shape
State, so that chip is placed into chip slot；At the same time, compressed spring is in compressive state；After chip is put into chip slot,
Carrying mechanism leaves chip carrier, then compresses actuator driving compressing member and up moves, at this point, since sliding seat is not pressed
The tight pressure of part down, so up moving with the recovery of compressed spring, clamping element is also up moved, in the resistance of rotating bar
Under gear, one end on clamping element far from hinge joint rotates down around hinge joint, so that chip is clamped in chip slot.
Preferably, the side of the socket burnt-in seat is additionally provided with the card reader for reading chip information, the card reading of the card reader
Needle extends to the bottom of chip slot below fixing seat.Specifically, first chip is put into chip slot, then by the reading of bottom
Card carries out information reading for chip, so that whether the information in detection chip is qualified；Wherein, qualified chip will be sent to sharp
The lower section of ray machine carries out stamp, and underproof chip will return to burning again or uniformly be recycled, in order to avoid underproof core
Piece, which is driven to below laser machine together with qualified chip, carries out stamp, is finally installed to electronics as qualified chip and set
In standby.
One preferred embodiment of the utility model, wherein the compressing member acts on one end in sliding seat equipped with several
A compressed part, several described compressed parts are in comb structure, are adjacent on the upper surface of several sliding seat arranged side by side respectively.By
In the sliding seat being located above fixing seat be hollow structure, so being pressed on the thin-walled of sliding seat respectively in the compressed part of comb teeth shape
Upper surface on, so that sliding seat be driven to move down.
Preferably, the width of compressed part of the width of intermediate compressed part than being located at both sides is big, is located in the middle compressed part
Simultaneously on the upper surface in two neighboring sliding seat.In this way, be located in the middle compressed part while acting on two sliding seat
On adjacent upper surface, the compressed part positioned at two sides is respectively acting on one end of a sliding seat；Ensuring compressed part in this way
Rigidity while, also reduce the manufacture difficulty of compressing member.
One preferred embodiment of the utility model, wherein the transversal driving mechanism includes mounting base, is arranged in mounting base
The driving motor and transmission component of one end；The transmission component includes screw rod and feed screw nut；One end of the screw rod and drive
Dynamic motor is fixedly connected, and the other end passes through feed screw nut and is connected in mounting base；The feed screw nut passes through linear slide structure
It connects in mounting base；
The feed screw nut is equipped with fixed plate, and the top of the fixed plate is equipped with the peace for chip seat and card reader
Loading board, the support plate between the fixed plate and mounting plate for being supported to mounting plate.Above structure, by lateral drive
The top setting chip carrier and card reader of motivation structure, after being detected to the information of chip, under the driving of driving motor, so that
Chip carrier is moved to the Laser Jet station below laser machine.
Preferably, the compression actuator is driving cylinder, and the bottom of the cylinder is fixed on a mounting board；The cylinder
Telescopic rod extends downwardly, and is equipped with connector；The two sides of the driving cylinder are equipped with guide pillars and bushes；The upper end of the guide sleeve
It fixes on a mounting board；The upper end of the guide post is fixed on compressing member, and lower end passes through guide sleeve and is fixed on connector.By upper
Structure is stated, under the driving of driving cylinder, telescopic rod band follower link moves down, and compressing member carries out sliding seat
It compresses.
One preferred embodiment of the utility model, wherein the side of the laser machine is additionally provided with elevating mechanism, the elevator
Structure includes the mounting rack being fixed in the rack of recording device, the sliding panel that can be slided on mounting rack and setting mounting rack top
The rotating handle at end；The laser machine is connected on sliding panel by fixed connection structure.Above structure rotates hand by rotation
Handle, i.e., the vertical height of adjustable laser machine, to be suitable for the chip that different stamps requires.
One preferred embodiment of the utility model, wherein the side of the laser machine is equipped with for carrying out to Laser Jet
The OCR detection device of detection；The OCR detection device includes horizontal positioned camera and light combination mirror；The light combination mirror is located at
The underface of the head of laser machine, and 45 ° are tilted toward camera orientations, which is fixed on burning by fixed connection structure
In the rack of equipment.Since laser can pass through light combination mirror, without refraction effect occurs, so can be engraved on chip corresponding
Mark；After Laser Jet, the principle based on reflected light, horizontally disposed camera can pass through 45 ° of conjunction of inclination
Shu Jingjian measures the mark of underlying chip, and by picture recognition technology, that carrys out detection chip identifies whether qualification；Separately
Outside, light combination mirror is set in the underface of the head of laser machine, arranged rational space structure can make laser machine from upper past
Under be irradiated, while after laser machine has irradiated chip, without being moved, camera can at once carry out chip chip
Detection, can greatly improve working efficiency.
Preferably, the lower section of the camera is equipped with the support frame that is fixedly connected on recording device, the support frame it is upper
Side is equipped with the manual adjustment means for carrying out position adjusting to camera.
The utility model has the advantages that compared with prior art
After burning chip, by transversal driving mechanism by the lower section of chip drives to laser machine, by laser machine pair
Chip in chip carrier is irradiated, so that corresponding coding is stamped, so that identifiable mark is provided on all chips,
So as to be managed to chip standardized and orderlyly.
Detailed description of the invention
Fig. 1 is the main view of the laser code apparatus in the recording device of the utility model.
Fig. 2 is the schematic perspective view of the laser code apparatus in the recording device of the utility model.
Fig. 3 is the main view of the driving mechanism for compressing in Fig. 1.
Fig. 4 is the side view of the driving mechanism for compressing in Fig. 1.
Fig. 5 is the top view of the compressing member in Fig. 4.
Fig. 6 is the schematic perspective view of the chip carrier in Fig. 4.
Fig. 7-8 is the simplified cross-sectional view of the socket burnt-in seat in Fig. 2, wherein Fig. 7 is that socket burnt-in seat is in the simplification under light condition
Cross-sectional view, Fig. 8 are the simplified cross-sectional view under socket burnt-in seat is in the open state.
Fig. 9 is the schematic perspective view of camera in Fig. 1, support frame and manual adjustment means.
Specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, below with reference to embodiment and
Attached drawing is further described the utility model, but the embodiments of the present invention is not limited only to this.
Referring to Fig. 1-2, the laser code apparatus in recording device in the present embodiment, including laser machine 1, several are used for
The chip carrier 2 of chip placement picks and places the transverse direction moved between station 3 and Laser Jet station 4 in chip for driving chip seat 2
Driving mechanism；Wherein, the surface of Laser Jet station 4 is arranged in the head of the laser machine 1.
Referring to Fig. 7-8, the chip carrier 2 is socket burnt-in seat, which includes underlying fixing seat 2-1, positioned at upper
The sliding seat 2-2 that can fix seat 2-1 sliding relatively and the clamping element 2-3 being hinged in sliding seat 2-2 of side；The sliding seat
2-2 is hollow structure, and is covered outside the upper end of fixing seat 2-1；The middle position of the upper surface of the fixing seat 2-1 is equipped with chip
Slot 2-11 is equipped with rotating bar 2-12, the clamping element 2-3 positioned at the both ends of chip slot 2-11 on the upper surface of fixing seat 2-1
Hinged one end is additionally provided with rotation arc surface 2-31 with sliding seat 2-2, and rotation arc surface 2-31 is adjacent on rotating bar 2-12；
Several compressed springs 2-4 is equipped between the sliding seat 2-2 and fixing seat 2-1；The compressed spring 2-4's is upper
End is pushed against on the lower end surface of sliding seat 2-2, and lower end is pushed against on fixing seat 2-1.
Referring to Fig. 3-6, it is opposite that the side of the socket burnt-in seat is equipped with the driving sliding seat 2-2 being located above transversal driving mechanism
The driving mechanism for compressing that fixing seat 2-1 is slided down, the driving mechanism for compressing include the pressure for acting on the upper surface of sliding seat 2-2
Tight part 5 and driving compressing member 5 do the compression actuator 6 of vertical motion.
By above structure, under the driving for compressing actuator 6, compressing member 5 moves down, to press sliding seat 2-
2 move down, since clamping element 2-3 is hinged in sliding seat 2-2, and the lower end of the rotation arc surface 2-31 of clamping element 2-3
It is adjacent on rotating bar 2-12, so moving down with sliding seat 2-2, one end on clamping element 2-3 far from hinge joint is around hinge
Contact up rotates, so that open state is formed, so that chip is placed into chip slot 2-11；At the same time, compressed spring
2-4 is in compressive state；After chip is put into chip slot 2-11, carrying mechanism leaves chip carrier 2, then compresses actuator 6
Driving compressing member 5 up moves, at this point, due to the not no pressure by compressing member 5 down of sliding seat 2-2, so with compression
The recovery of spring 2-4 and up move, clamping element 2-3 is also up moved, under the blocking of rotating bar 2-12, on clamping element 2-3
One end far from hinge joint rotates down around hinge joint, so that chip is clamped in chip slot 2-11.
Referring to Fig. 1-2, the side of the socket burnt-in seat is additionally provided with the card reader 7 for reading chip information, the card reader 7
Card reading needle extends to the bottom of chip slot 2-11 below fixing seat 2-1.Specifically, chip is first put into chip slot 2-11
In, information reading then is carried out for chip by the card reading of bottom, so that whether the information in detection chip is qualified；Wherein, it closes
The chip of lattice will send to the lower section of laser machine 1 and carry out stamp, and underproof chip will return to burning again or be unified
Recycling, in case underproof chip is driven to below laser machine 1 together with qualified chip carries out stamp, finally by as conjunction
The chip of lattice is installed in electronic equipment.
Referring to Fig. 5 and Fig. 7-8, the compressing member 5 acts on one end on sliding seat 2-2 and is equipped with several compressed parts 5-1,
Several compressed parts 5-1 is in comb structure, is adjacent on the upper surface of several sliding seat 2-2 arranged side by side respectively.Due to
Sliding seat 2-2 above fixing seat 2-1 is hollow structure, so the compressed part 5-1 in comb teeth shape is pressed on activity respectively
On the upper surface of the thin-walled of seat 2-2, so that sliding seat 2-2 be driven to move down.
Referring to Fig. 5 and Fig. 7-8, the width of compressed part 5-1 of the width of intermediate compressed part 5-1 than being located at both sides is big, position
In intermediate compressed part 5-1 while on the upper surface in two neighboring sliding seat 2-2.In this way, being located in the middle compressed part
5-1 is acted on simultaneously on two adjacent upper surfaces sliding seat 2-2, and the compressed part 5-1 positioned at two sides is respectively acting on a work
On one end of dynamic seat 2-2；In this way while ensuring the rigidity of compressed part 5-1, the manufacture difficulty of compressing member 5 is also reduced.
Referring to Fig. 1-2, the transversal driving mechanism include mounting base 8, be arranged in the driving motor 9 of 8 one end of mounting base with
And transmission component；The transmission component includes screw rod 10 and feed screw nut 11；One end of the screw rod 10 and driving motor 9 are fixed
Connection, the other end pass through feed screw nut 11 and are connected in mounting base 8；The feed screw nut 11 passes through linear slide structure connection peace
It fills on seat 8；The feed screw nut 11 is equipped with fixed plate 12, and the top of the fixed plate 12 is equipped with for chip seat 2 and reads
The mounting plate 13 of card device 7, the support plate 14 between the fixed plate 12 and mounting plate 13 for being supported to mounting plate 13.On
Structure is stated, by the way that chip carrier 2 and card reader 7 is arranged in the top of transversal driving mechanism, after being detected to the information of chip,
Under the driving of driving motor 9, so that chip carrier 2 is moved to the Laser Jet station 4 of 1 lower section of laser machine.
Referring to Fig. 3-4, the compression actuator 6 is driving cylinder, and the bottom of the cylinder is fixed on mounting plate 13；It is described
The telescopic rod of cylinder extends downwardly, and is equipped with connector 15；The two sides of the driving cylinder are equipped with guide post 16 and guide sleeve 17；Institute
The upper end for stating guide sleeve 17 is fixed on mounting plate 13；The upper end of the guide post 16 is fixed on compressing member 5, and lower end passes through guide sleeve 17
It is fixed on connector 15.By above structure, under the driving of driving cylinder, telescopic rod band follower link 15 moves down,
Compressing member 5 compresses sliding seat 2-2.
Referring to Fig. 1-2, the side of the laser machine 1 is additionally provided with elevating mechanism, which includes being fixed on burning to set
The rotation hand of mounting rack 18, the sliding panel 19 and setting 18 top of mounting rack that can be slided on mounting rack 18 in standby rack
Handle 20；The laser machine 1 is connected on sliding panel 19 by fixed connection structure.Above structure, by rotating rotating handle 20,
The vertical height of i.e. adjustable laser machine 1, to be suitable for the chip that different stamps requires.
Referring to Fig. 1-2, the side of the laser machine 1 is equipped with the OCR detection device for being detected to Laser Jet；Institute
Stating OCR detection device includes horizontal positioned camera 21 and light combination mirror 22；The light combination mirror 22 is located at the head of laser machine 1
Underface, and 45 ° are tilted toward 21 direction of camera, which is fixed on the rack of recording device by fixed connection structure
On.Since laser can pass through light combination mirror 22, without refraction effect occurs, so corresponding mark can be engraved on chip；
After Laser Jet, the principle based on reflected light, horizontally disposed camera 21 can pass through 45 ° of light combination mirror 22 of inclination
The mark for detecting underlying chip, by picture recognition technology, that carrys out detection chip identifies whether qualification；In addition,
The underface of the head of laser machine 1 is arranged light combination mirror 22, arranged rational space structure, and laser machine 1 can be made from upper past
Under be irradiated, while after laser machine 1 has irradiated chip, for chip without being moved, camera 21 can be at once to chip
It is detected, working efficiency can be greatly improved.
Referring to Fig. 1-2 and Fig. 9, the lower section of the camera 21 is equipped with the support frame 23 being fixedly connected on recording device,
The top of the support frame 23 is equipped with the manual adjustment means 24 for carrying out position adjusting to camera 21.
Referring to Fig. 1-2, the working principle of the laser code apparatus in the present embodiment is:
Generally, under the driving of transversal driving mechanism, chip carrier 2 is moved to chip and picks and places in station 3；Work as burning chip
After, chip is transported to chip and picked and placed in the chip carrier 2 of station 3 by the carrying mechanism in recording device, then, then in transverse direction
Under the driving of driving mechanism, chip carrier 2 is moved in Laser Jet station 4, is carried out by laser machine 1 to the chip in chip carrier 2
Irradiation, to stamp corresponding mark；Then, under the driving of transversal driving mechanism, the shifting of chip carrier 2 again moves into chip and takes
It puts in station 3, finally by carrying mechanism by the chip of stamp is moved in chip carrier 2.
Above-mentioned is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above content
It limits, change, modification, substitution, combination, the letter made under other any spiritual essence and principles without departing from the utility model
Change, should be equivalent substitute mode, be included within the protection scope of the utility model.
Claims (10)
1. the laser code apparatus in a kind of recording device, which is characterized in that including laser machine, several are for chip placement
Chip carrier picks and places the transversal driving mechanism moved between station and Laser Jet station in chip for driving chip seat；Wherein,
The surface of Laser Jet station is arranged in the head of the laser machine；
The chip carrier be socket burnt-in seat, the socket burnt-in seat include underlying fixing seat, be located above can fix relatively seat cunning
Dynamic sliding seat and the clamping element being hinged in sliding seat are equipped with several compression bullets between the sliding seat and fixing seat
Spring；The side of the socket burnt-in seat is equipped with the pressure that the relatively fixed seat of the driving sliding seat being located above transversal driving mechanism slides down
Tight driving mechanism.
2. the laser code apparatus in recording device according to claim 1, which is characterized in that the sliding seat is hollow
Structure, and cover outside the upper end of fixing seat；The middle position of the upper surface of the fixing seat be equipped with chip slot, the fixing seat it is upper
It is equipped with rotating bar positioned at the both ends of chip slot on end face, the clamping element and the hinged one end of sliding seat are additionally provided with rotation circular arc
Face, the dynamic arc surface are adjacent in rotating bar；
The upper end of the compressed spring is pushed against on the lower end surface of sliding seat, and lower end is pushed against in fixing seat.
3. the laser code apparatus in recording device according to claim 2, which is characterized in that the driving mechanism for compressing
Compressing member and driving compressing member including acting on the upper surface of sliding seat do the compression actuator of vertical motion.
4. the laser code apparatus in recording device according to claim 2, which is characterized in that the side of the socket burnt-in seat
It is additionally provided with the card reader for reading chip information, the card reading needle of the card reader extends to the bottom of chip slot below fixing seat
Portion.
5. the laser code apparatus in recording device according to claim 3, which is characterized in that the compressing member acts on
One end in sliding seat is equipped with several compressed parts, several described compressed parts are in comb structure, be adjacent to respectively several simultaneously
On the upper surface of the sliding seat of column.
6. the laser code apparatus in recording device according to claim 5, which is characterized in that be located in the middle compressed part
Width than be located at both sides compressed part width it is big, be located in the middle compressed part simultaneously across in the upper of two neighboring sliding seat
On end face.
7. the laser code apparatus in recording device according to claim 1, which is characterized in that the transversal driving mechanism
Including mounting base, the driving motor and transmission component of mounting base one end are set；The transmission component includes screw rod and screw rod
Nut；One end of the screw rod is fixedly connected with driving motor, and the other end passes through feed screw nut and is connected in mounting base；The silk
Stem nut is connected in mounting base by linear slide structure；The feed screw nut is equipped with fixed plate, sets above the fixed plate
There is the mounting plate for chip seat and card reader, is used to be supported mounting plate between the fixed plate and mounting plate
Support plate.
8. the laser code apparatus in recording device according to claim 3, which is characterized in that the compression actuator is
Cylinder is driven, the bottom of the cylinder is fixed on a mounting board；The telescopic rod of the driving cylinder extends downwardly, and is equipped with connection
Part；The two sides of the driving cylinder are equipped with guide pillars and bushes；The upper end of the guide sleeve is fixed on a mounting board；The guide post
Upper end is fixed on compressing member, and lower end passes through guide sleeve and is fixed on connector.
9. the laser code apparatus in recording device according to claim 1, which is characterized in that the side of the laser machine
It is additionally provided with elevating mechanism, which includes the mounting rack being fixed in the rack of recording device, can slide on mounting rack
Sliding panel and be arranged mounting rack top rotating handle；The laser machine is connected to sliding panel by fixed connection structure
On.
10. the laser code apparatus in recording device according to claim 1, which is characterized in that the one of the laser machine
Side is additionally provided with the OCR detection device for being detected to Laser Jet；The OCR detection device includes horizontal positioned photograph
Machine and light combination mirror；The light combination mirror is located at the underface of the head of laser machine, and tilts 45 ° toward camera orientations, the light combination mirror
It is fixed in the rack of recording device by fixed connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451174.3U CN208246044U (en) | 2018-03-31 | 2018-03-31 | A kind of laser code apparatus in recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451174.3U CN208246044U (en) | 2018-03-31 | 2018-03-31 | A kind of laser code apparatus in recording device |
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| Publication Number | Publication Date |
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| CN208246044U true CN208246044U (en) | 2018-12-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234200A (en) * | 2019-07-12 | 2019-09-13 | 宜昌达瑞机电科技有限公司 | A kind of pcb board identification burning mark tooling |
| CN112265385A (en) * | 2020-10-22 | 2021-01-26 | 广州文冲船厂有限责任公司 | Sleeve coding mechanism |
-
2018
- 2018-03-31 CN CN201820451174.3U patent/CN208246044U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234200A (en) * | 2019-07-12 | 2019-09-13 | 宜昌达瑞机电科技有限公司 | A kind of pcb board identification burning mark tooling |
| CN112265385A (en) * | 2020-10-22 | 2021-01-26 | 广州文冲船厂有限责任公司 | Sleeve coding mechanism |
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