CN208305052U - It is a kind of for picking and placing the manipulator of circuit board - Google Patents
It is a kind of for picking and placing the manipulator of circuit board Download PDFInfo
- Publication number
- CN208305052U CN208305052U CN201820684568.3U CN201820684568U CN208305052U CN 208305052 U CN208305052 U CN 208305052U CN 201820684568 U CN201820684568 U CN 201820684568U CN 208305052 U CN208305052 U CN 208305052U
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- China
- Prior art keywords
- fixed
- full wind
- clamping plate
- servo motor
- mounting base
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- Expired - Fee Related
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Abstract
It is the utility model relates to SMT patch, plug-in part technology field, in particular to a kind of for picking and placing the manipulator of circuit board, including fixed arm, full wind-up, rotary drive assembly, in degree angle between the second full wind-up and third full wind-up；It further includes having the lifting actuator for being fixed on third full wind-up, and lifting actuator one end is connected with clamping plate mounting base, and lifting actuator drives clamping plate mounting base and does vertical movement up and down；Clamping plate mounting base is also connected with clamping plate actuator, two grip blocks being oppositely arranged, and clamping plate actuator is done by two grip blocks of the Component driver that is clamped and connected towards or away from movement.The utility model is being used, picked up, moved by this manipulator, placing pcb board or PCBA board, when using the SMT production line of multi-thread single furnace, it can take for the artificial movement by pcb board or PCBA board, the degree of automation is greatlyd improve, production efficiency is not only improved, but also can be saved artificial.
Description
Technical field
It is the utility model relates to SMT patch, plug-in part technology field, in particular to a kind of for picking and placing the machinery of circuit board
Hand.
Background technique
There are mainly two types of production models for SMT production line.
The first is the SMT production line of multi-thread single furnace, i.e., gives one by more SMT chip mounter supply pcb boards or PCBA board
Reflow soldering；More SMT chip mounters are located at the two sides setting of automatic production line, need by manually the PCB mounted
Plate or PCBA board are placed on automatic production line, are delivered to the unified welding of reflow soldering by automatic production line.Which can
The energy of reflow soldering is made full use of, the electricity charge are saved.
Second is single furnace single line mode, i.e., gives a Reflow Soldering by a SMT chip mounter supply pcb board or PCBA board
The disengaging pallet of furnace, SMT chip mounter can directly be connected with the assembly line of reflow soldering, and the reflow soldering of which utilizes
Rate, power consumption are higher.
In order to further increase production efficiency, therefore it is necessary to the SMT production lines to the first multi-thread single furnace for plate operation
Carry out further skill upgrading.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, providing one kind can be from SMT production line
Upper pick-up circuit plate is placed into the manipulator on automatic production line.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of for picking and placing the manipulator of circuit board, including the fixed arm, the first full wind-up, second of the utility model
Full wind-up, third full wind-up, three rotary drive assemblies, the fixed arm are survived by bearing and the first full wind-up
Dynamic connection, the first rotary drive assembly drive the first full wind-up to make rotating motion；First full wind-up by bearing with
Second full wind-up drives the second full wind-up to make rotating motion at flexible connection, the second rotary drive assembly；Second rotation
It changes hands arm and passes through bearing with third full wind-up at being flexibly connected, third rotary drive assembly driving third full wind-up, which is done, to be rotated
Movement；In degree angle between second full wind-up and third full wind-up；It further includes being fixed on third full wind-up
Lifting actuator, described lifting actuator one end is connected with clamping plate mounting base, and the lifting actuator drives clamping plate installation
Seat does vertical movement up and down；The clamping plate mounting base is also connected with clamping plate actuator, two grip blocks being oppositely arranged, and clamping plate drives
Moving part is done by two grip blocks of the Component driver that is clamped and connected towards or away from movement；Being provided on the grip block can adjust
Save the pressure regulating device of clamping force.
Further, the third full wind-up includes the longitudinal side arms of transverse arm and two, transverse arm both ends respectively with
Two longitudinal side arms are mutually fixedly connected, one surface of transverse arm by bearing and the second full wind-up at being flexibly connected, it is described
The fixed lifting actuator in another surface of transverse arm, lifting actuator are located between two longitudinal side arms；The clamping plate mounting base
Setting is between two longitudinal side arms；Clamping plate mounting base is connected by mounting base guidance set with two longitudinal side arms.
Further, the mounting base guidance set includes sliding block and guide rail, and the sliding block and guide rail are interlockingly connected, described
Sliding block is fixed on longitudinal side arm, and the guide rail is fixed in clamping plate mounting base.
Further, the lifting actuator is that should fix through shaft type stepper motor one end through shaft type stepper motor
On transverse arm, telescopic rod one end through shaft type stepper motor is mutually fixedly connected with clamping plate mounting base.
Further, the component that is clamped and connected includes clamping active synchronization wheel, the driven synchronizing wheel of clamping, will clamp and lead
The clamping synchronous belt that dynamic synchronizing wheel and the driven synchronizing wheel of clamping connect, the clamping active synchronization wheel and clamping are driven same
Step wheel is each attached in clamping plate mounting base；The clamping plate actuator is servo motor, which is fixed on clamping plate mounting base
On, which is mutually fixedly connected with clamping active synchronization wheel, and two grip blocks are symmetrically fixed on the synchronous skin of clamping in opposite
It takes.
Further, the pressure regulating device includes cushion block, pressure sensor and spring, and the grip block is connected by spring
It is connected to cushion block, is provided with pressure sensor between the cushion block and grip block.
Further, it is additionally provided with guide post between the cushion block and grip block, which is fixed on grip block, pad
Block is provided with the guide pillar hole to match with guide post, and the guide post other end is embedded in guide pillar hole.
Further, the rotary drive assembly includes servo motor, driving gear and driven gear；
First servo motor is fixed on fixed arm, and the shaft of first servo motor is connected with the first driving gear,
First driven gear is fixed on the first full wind-up, and the first driving gear is meshed with the first driven gear, to realize the
One rotary drive assembly drives the first full wind-up to make rotating motion；
Second servo motor is fixed on the first full wind-up, and the shaft of the second servo motor is connected with the second driving gear
It connects, the second driven gear is fixed on the second full wind-up, and the second driving gear is meshed with the second driven gear；
Third servo motor is fixed on fixed arm, and the shaft of third servo motor is connected with third driving gear,
Third driven gear is fixed on third full wind-up, and third driving gear is meshed with third driven gear.
Further, the rotary drive assembly includes servo motor, belt, drive pulley and driven pulley；
First servo motor is fixed on fixed arm, and the shaft of first servo motor is connected with the first drive pulley
It connects, the first driven pulley is fixed on the first full wind-up, and the first drive pulley and the first driven pulley pass through belt
It is connected；
Second servo motor is fixed on the first full wind-up, the shaft of the second servo motor and the second drive pulley phase
Connection, the second driven pulley are fixed on the second full wind-up, and the second drive pulley and the second driven pulley pass through skin
Band is connected；
Third servo motor is fixed on fixed arm, and the shaft of third servo motor is connected with third drive pulley
It connects, third driven pulley is fixed on third full wind-up, and third drive pulley and third driven pulley pass through belt
It is connected.
After adopting the above structure, the utility model has the beneficial effect that a kind of for picking and placing circuit board of the utility model
Manipulator, including fixed arm, the first full wind-up, the second full wind-up, third full wind-up, three rotary drive assemblies,
The fixed arm passes through bearing with the first full wind-up at being flexibly connected, and the first rotary drive assembly drives the first full wind-up
It makes rotating motion；First full wind-up by bearing and the second full wind-up at being flexibly connected, the second rotary drive assembly
The second full wind-up is driven to make rotating motion；Second full wind-up by bearing and third full wind-up at being flexibly connected,
Third rotary drive assembly driving third full wind-up makes rotating motion；Between second full wind-up and third full wind-up
In degree angle；It further includes having the lifting actuator for being fixed on third full wind-up, and described lifting actuator one end is connected with folder
Plate mounting base, the lifting actuator drive clamping plate mounting base and do vertical movement up and down；The clamping plate mounting base is also connected with
Clamping plate actuator, two grip blocks being oppositely arranged, clamping plate actuator are done by two grip blocks of the Component driver that is clamped and connected
Towards or away from movement.The utility model is being used, picked up, moved by this manipulator, placing pcb board or PCBA plate, when
Using multi-thread single furnace SMT production line when, can take for the artificial movement by pcb board or PCBA board, greatly improve automation
Degree not only improves production efficiency, but also can save artificial.
Detailed description of the invention
Fig. 1 is the first view stereo figure of the utility model；
Fig. 2 is the second view stereo figure of the utility model；
Fig. 3 is the structural schematic diagram of the utility model；
Fig. 4 is A-A cross-sectional view in Fig. 2；
Description of symbols:
11, fixed arm；12, the first full wind-up；13, the second full wind-up；
14, third full wind-up；15；Clamping plate mounting base；
2, rotary drive assembly；3, mounting base guidance set；4, actuator is gone up and down；
5, clamping plate actuator；6, grip block；
71, active synchronization wheel is clamped；72, driven synchronizing wheel is clamped；
8, cushion block；9, pressure sensor；10, guide post；101, spring.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, the utility model is a kind of for picking and placing the manipulator of circuit board, including fixed arm 11, first
14, three full wind-up 12, the second full wind-up 13, third full wind-up rotary drive assemblies 2.
The fixed arm 11 passes through bearing with the first full wind-up 12 at being flexibly connected, and the first rotary drive assembly 2 drives
Dynamic first full wind-up 12 makes rotating motion.
First full wind-up 12 by bearing and the second full wind-up 13 at being flexibly connected, the second rotary drive assembly
2 the second full wind-ups 13 of driving make rotating motion；
Second full wind-up 13 by bearing and third full wind-up 14 at being flexibly connected, third rotary drive assembly
2 driving third full wind-ups 14 make rotating motion；In 90 degree of folders between second full wind-up 13 and third full wind-up 14
Angle.
It further includes having the lifting actuator 4 for being fixed on third full wind-up 14, and described 4 one end of lifting actuator is connected with
Clamping plate mounting base 15, the lifting actuator 4 drive clamping plate mounting base 15 and do vertical movement up and down；Third full wind-up 14
With clamping plate mounting base 15 constitute rotation and lifting combined arm, convenient for clamping plate mounting base 15 be adjusted rotation angle and up and down
Pick and place pcb board or PCBA board.
The clamping plate mounting base 15 is also connected with 5, two grip blocks being oppositely arranged 6 of clamping plate actuator, clamping plate actuator 5
It is done by two grip blocks 6 of the Component driver that is clamped and connected towards or away from movement.
The pressure regulating device that can adjust clamping force is provided on the grip block 6.
Further, the third full wind-up 14 includes transverse arm and two longitudinal side arms, transverse arm both ends difference
It is mutually fixedly connected with two longitudinal side arms,
One surface of transverse arm by bearing and the second full wind-up 13 at being flexibly connected, another surface of transverse arm
Fixed lifting actuator 4, lifting actuator 4 are located between two longitudinal side arms；
In order to reduce the overall volume after third full wind-up 14, clamping plate mounting base 15 and lifting actuator 4 connect, institute
The setting of clamping plate mounting base 15 is stated between two longitudinal side arms；Clamping plate mounting base 15 is vertical by mounting base guidance set 3 and two
It is connected to side arm.
Further, the mounting base guidance set 3 includes sliding block and guide rail, and the sliding block and guide rail are interlockingly connected, institute
It states sliding block to be fixed on longitudinal side arm, the guide rail is fixed in clamping plate mounting base 15, and sliding block and guide rail primarily serve guiding and make
With accuracy and stability of the guarantee clamping plate mounting base 15 during vertical movement.
Further, the lifting actuator 4 is that should fix through shaft type stepper motor one end through shaft type stepper motor
On transverse arm, telescopic rod one end through shaft type stepper motor is fixedly connected with 15 phase of clamping plate mounting base, is run through to realize
Shaft type stepper motor drives clamping plate mounting base 15 and does vertical movement up and down.
Further, the component that is clamped and connected includes clamping active synchronization wheel 71, the driven synchronizing wheel 72 of clamping, will press from both sides
It holds active synchronization wheel 71 and clamps the clamping synchronous belt (not shown) that driven synchronizing wheel 72 connects, the clamping master
Dynamic synchronizing wheel 71 and the driven synchronizing wheel 72 of clamping are each attached in clamping plate mounting base 15.The clamping plate actuator 5 is servo motor,
The servo motor is fixed in clamping plate mounting base 15, which is fixedly connected with clamping 71 phase of active synchronization wheel, two folders
Plate 6 is held in being symmetrically fixed on clamping synchronous belt in opposite directions, when the servo motor is done forward or reverse, servo motor drives folder
It is mobile to hold synchronous belt, does to realize and drive two grip blocks 6 towards or away from movement.
Further, the pressure regulating device includes cushion block 8, pressure sensor 9 and spring 101, and the grip block 6 passes through
Spring 101 is connected with cushion block 8, is provided with pressure sensor 9 between the cushion block 8 and grip block 6.The application of pressure sensor 9
Technology and the prior art are not said in detail herein without essential distinction.
Further, it is additionally provided with guide post 10 between the cushion block 8 and grip block 6, which is fixed on clamping
On plate 6, cushion block 8 is provided with the guide pillar hole to match with guide post 10, and 10 other end of guide post is embedded in guide pillar hole.Two folders
Hold plate 6 and moving toward one another clamping pcb board or when PCBA board, controlled in clamping process by pressure sensor 9 clamping pcb board or
The dynamics of PCBA board, the phenomenon that avoiding the overexertion when clamping pcb board or PCBA board and generate pcb board deformation.Spring 101 exists
This can star buffering, connection function；Guide post 10 can not only guarantee the track that cushion block 8 moves, but also can be to prevent the row of cushion block 8 processed
Journey.
The guide post 10 of the utility model is made of threaded post, guide cylinder and limit cylinder, in threaded post and grip block 6
Threaded hole is mutually threadedly coupled, and guide cylinder is embedded in the guide section of guide pillar hole, and limit cylinder is embedded the limit section in guide pillar hole
In.
Further, the rotary drive assembly 2 includes servo motor, driving gear and driven gear；It needs to illustrate
: the servo motor of the first rotary drive assembly 2 is first servo motor, and the driving gear of the first rotary drive assembly 2 is
First driving gear, the driven gear of the first rotary drive assembly 2 are the first driven gear, and so on, it does not say in detail one by one.
First servo motor is fixed on fixed arm 11, and the shaft of first servo motor is connected with the first driving gear
It connects, the first driven gear is fixed on the first full wind-up 12, and the first driving gear is meshed with the first driven gear, thus real
Existing first rotary drive assembly 2 drives the first full wind-up 12 to make rotating motion.
Second servo motor is fixed on the first full wind-up 12, the shaft of the second servo motor and the second driving gear phase
Connection, the second driven gear are fixed on the second full wind-up 13, and the second driving gear is meshed with the second driven gear, thus
Second rotary drive assembly 2 drives the second full wind-up 13 to make rotating motion.
Third servo motor is fixed on fixed arm 11, and the shaft of third servo motor is connected with third driving gear
It connecing, third driven gear is fixed on third full wind-up 14, and third driving gear is meshed with third driven gear, thus the
Three rotary drive assemblies 2 driving third full wind-up 14 makes rotating motion.
Further, the rotary drive assembly 2 includes servo motor, belt, drive pulley and driven pulley.
It should be understood that the servo motor of the first rotary drive assembly 2 is first servo motor, the first rotation driving group
The drive pulley of part 2 is the first drive pulley, and the driven pulley of the first rotary drive assembly 2 is the first follower belt
Wheel, and so on, it does not say in detail one by one.
First servo motor is fixed on fixed arm 11, and the shaft of first servo motor is connected with the first drive pulley
It connects, the first driven pulley is fixed on the first full wind-up 12, and the first drive pulley and the first driven pulley pass through skin
Band is connected, and servo motor drives belt mobile, to realize that the first rotary drive assembly 2 drives the first full wind-up 12 to do and revolves
Transhipment is dynamic.
Second servo motor is fixed on the first full wind-up 12, the shaft of the second servo motor and the second drive pulley
It is connected, the second driven pulley is fixed on the second full wind-up 13, and the second drive pulley and the second driven pulley are logical
It crosses belt to be connected, servo motor drives belt mobile, so that the second rotary drive assembly 2 drives the second full wind-up 13 to do
Rotary motion.
Third servo motor is fixed on fixed arm 11, and the shaft of third servo motor is connected with third drive pulley
It connects, third driven pulley is fixed on third full wind-up 14, and third drive pulley and third driven pulley pass through skin
Band is connected, and servo motor drives belt mobile, so that third rotary drive assembly 2 drives third full wind-up 14 to do rotation fortune
It is dynamic.
The utility model is being used, picked up, moved by this manipulator, placing pcb board or PCBA board, when using multi-thread
When the SMT production line of single furnace, it can take for the artificial movement by pcb board or PCBA board, greatly improve the degree of automation, both mentioned
High efficiency, and can save artificial.
The above is only the better embodiment of the utility model, therefore all constructions according to the utility model patent application range,
The equivalent change or modification that feature and principle are done, is included in the scope of the utility model patent application.
Claims (9)
1. a kind of for picking and placing the manipulator of circuit board, including fixed arm (11), the first full wind-up (12), the second rotation hand
Arm (13), third full wind-up (14), three rotary drive assemblies (2),
The fixed arm (11) by bearing and the first full wind-up (12) at being flexibly connected, the first rotary drive assembly (2)
The first full wind-up (12) is driven to make rotating motion；
First full wind-up (12) by bearing and the second full wind-up (13) at being flexibly connected, the second rotary drive assembly
(2) driving the second full wind-up (13) makes rotating motion；
It is characterized by: second full wind-up (13) by bearing and third full wind-up (14) at being flexibly connected, third
Rotary drive assembly (2) driving third full wind-up (14) makes rotating motion；Second full wind-up (13) and third rotation
It is in 90 degree of angles between arm (14)；
It further includes having the lifting actuator (4) for being fixed on third full wind-up (14), the connection of the lifting actuator (4) one end
Have clamping plate mounting base (15), the lifting actuator (4) drives clamping plate mounting base (15) and does vertical movement up and down；
The clamping plate mounting base (15) is also connected with clamping plate actuator (5), two grip blocks (6) being oppositely arranged, clamping plate driving
Part (5) is done by two grip blocks (6) of the Component driver that is clamped and connected towards or away from movement；It is arranged on the grip block (6)
There is the pressure regulating device that can adjust clamping force.
2. according to claim 1 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the third rotates hand
Arm (14) includes transverse arm and two longitudinal side arms, and transverse arm both ends are mutually fixedly connected with two longitudinal side arms respectively,
One surface of transverse arm passes through bearing with the second full wind-up (13) at being flexibly connected, and another surface of transverse arm is solid
Determine lifting actuator (4), lifting actuator (4) is located between two longitudinal side arms；
Clamping plate mounting base (15) setting is between two longitudinal side arms；Clamping plate mounting base (15) passes through mounting base guidance set
(3) it is connected with two longitudinal side arms.
3. according to claim 2 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the mounting base guiding
Component (3) includes sliding block and guide rail, and the sliding block and guide rail are interlockingly connected, and the sliding block is fixed on longitudinal side arm, described to lead
Rail is fixed on clamping plate mounting base (15).
4. according to claim 3 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the lifting actuator
(4) described through shaft type stepping electricity for that should be fixed on transverse arm through shaft type stepper motor one end through shaft type stepper motor
Telescopic rod one end of machine is mutually fixedly connected with clamping plate mounting base (15).
5. according to claim 4 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the group that is clamped and connected
Part includes clamping active synchronization wheel (71), the driven synchronizing wheel (72) of clamping, will clamp active synchronization wheel (71) and clamp driven
The clamping synchronous belt that synchronizing wheel (72) connects, the clamping active synchronization wheel (71) and the driven synchronizing wheel (72) of clamping are equal
It is fixed on clamping plate mounting base (15)；The clamping plate actuator (5) is servo motor, which is fixed on clamping plate mounting base
(15) on, which is mutually fixedly connected with clamping active synchronization wheel (71), and two grip blocks (6) are in symmetrically to be fixed in opposite directions
It clamps on synchronous belt.
6. according to claim 5 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the pressure regulating device packet
Cushion block (8), pressure sensor (9) and spring (101) have been included, the grip block (6) is connected with cushion block (8) by spring (101),
Pressure sensor (9) are provided between the cushion block (8) and grip block (6).
7. according to claim 6 a kind of for picking and placing the manipulator of circuit board, it is characterised in that: the cushion block (8) and
Guide post (10) are additionally provided between grip block (6), which is fixed on grip block (6), cushion block (8) be provided with
The guide pillar hole that guide post (10) matches, guide post (10) other end are embedded in guide pillar hole.
8. -7 is any described a kind of for picking and placing the manipulator of circuit board according to claim 1, it is characterised in that: the rotation
Driving assembly (2) includes servo motor, driving gear and driven gear；
First servo motor is fixed on fixed arm (11), and the shaft of the first servo motor is connected with the first driving gear
It connects, the first driven gear is fixed on the first full wind-up (12), and first driving gear is meshed with the first driven gear；
Second servo motor is fixed on the first full wind-up (12), the shaft and the second driving gear of second servo motor
It is connected, the second driven gear is fixed on the second full wind-up (13), second driving gear and the second driven gear phase
Engagement；
Third servo motor is fixed on fixed arm (11), and the shaft of the third servo motor is connected with third driving gear
It connects, third driven gear is fixed on third full wind-up (14), and the third driving gear is meshed with third driven gear.
9. -7 is any described a kind of for picking and placing the manipulator of circuit board according to claim 1, it is characterised in that: the rotation
Driving assembly (2) includes servo motor, belt, drive pulley and driven pulley；First servo motor is fixed on fixation
On arm (11), the shaft of the first servo motor is connected with the first drive pulley, and the first driven pulley is fixed on
On first full wind-up (12), first drive pulley is connected with the first driven pulley by belt；
Second servo motor is fixed on the first full wind-up (12), the shaft and the second drive pulley of second servo motor
Wheel is connected, and the second driven pulley is fixed on the second full wind-up (13), second drive pulley and second driven
Belt pulley is connected by belt；
Third servo motor is fixed on fixed arm (11), shaft and the third drive pulley phase of the third servo motor
Connection, third driven pulley are fixed on third full wind-up (14), the third drive pulley and third follower belt
Wheel is connected by belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684568.3U CN208305052U (en) | 2018-05-09 | 2018-05-09 | It is a kind of for picking and placing the manipulator of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684568.3U CN208305052U (en) | 2018-05-09 | 2018-05-09 | It is a kind of for picking and placing the manipulator of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208305052U true CN208305052U (en) | 2019-01-01 |
Family
ID=64712373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820684568.3U Expired - Fee Related CN208305052U (en) | 2018-05-09 | 2018-05-09 | It is a kind of for picking and placing the manipulator of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208305052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974128A (en) * | 2021-02-18 | 2021-06-18 | 赣州逸豪新材料股份有限公司 | Copper foil edge anti-oxidation device and processing technology thereof |
| CN113038818A (en) * | 2021-02-25 | 2021-06-25 | 江苏工程职业技术学院 | Loading attachment is used in electronic equipment production |
-
2018
- 2018-05-09 CN CN201820684568.3U patent/CN208305052U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974128A (en) * | 2021-02-18 | 2021-06-18 | 赣州逸豪新材料股份有限公司 | Copper foil edge anti-oxidation device and processing technology thereof |
| CN112974128B (en) * | 2021-02-18 | 2021-11-02 | 赣州逸豪新材料股份有限公司 | Copper foil edge anti-oxidation device and processing technology thereof |
| CN113038818A (en) * | 2021-02-25 | 2021-06-25 | 江苏工程职业技术学院 | Loading attachment is used in electronic equipment production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |