CN209565607U - A kind of cylinder body circular seam automatic soldering device - Google Patents
A kind of cylinder body circular seam automatic soldering device Download PDFInfo
- Publication number
- CN209565607U CN209565607U CN201920068962.9U CN201920068962U CN209565607U CN 209565607 U CN209565607 U CN 209565607U CN 201920068962 U CN201920068962 U CN 201920068962U CN 209565607 U CN209565607 U CN 209565607U
- Authority
- CN
- China
- Prior art keywords
- pneumatic
- cylinder
- screw
- solenoid valve
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Resistance Welding (AREA)
Abstract
The utility model relates to machining equipment technical fields, especially a kind of cylinder body circular seam automatic soldering device, including rack, workbench, column, decelerating motor, the pneumatic pinch rotating device for being provided with workpiece, the pneumatic clamping self locating device for being provided with welding gun and convenient for the automatic control electric device of manipulation, column is installed on the workbench by screw, workbench is welded and fixed on the rack, decelerating motor is fixedly mounted in rack by electric machine support, carries out stabilizing grip and rotating welding to workpiece by pneumatic pinch rotating device;Realize the easy adjustment of Butt welding gun, by pneumatic clamping self locating device to meet different use demands;Welding process is precisely controlled by automatically controlling electric device completion, to effectively increase the quality and stability of product, the production cycle is shortened, improves production efficiency, be very suitable to large batch of production.
Description
Technical field
The utility model relates to machining equipment technical field, especially a kind of cylinder body circular seam automatic soldering device.
Background technique
Automatic welding machine for circular seam is a kind of general automatic welding devices that can be completed various round, circular welds and weld, and can be used
In the high-quality welding of the materials such as carbon steel, low-alloy steel, stainless steel, aluminium and its alloy, and argon arc welding may be selected and (fill silk or do not fill out
Silk), gas metal-arc welding, the sources of welding current such as plasma welding form a set of circumferential weld robot welding system, can widely apply
In hydraulic cylinder, automobile steering frame, transmission shaft, air tank, chemical industry and medical container, liquid gas storage tank, fire-fighting equipment, mine and life
The welding of the products such as producing line roller and liquid storage cylinder.
But in the prior art, the girth welding of plectane and round tube does not have special equipment, is all made of manual operations, efficiency pole
It is low, and the stable product quality processed is not high, with scientific and technological progress, increase in demand, more and more similar tubulars or cover shape
Product need girth welding, and need efficient batch machining ability and stable welding quality.
Utility model content
In order to overcome the shortcomings of that the existing girth welding special equipment lacked to plectane and round tube, the utility model provide
A kind of cylinder body circular seam automatic soldering device.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of cylinder body circular seam automatic welding dress
It sets, including rack, workbench, column, decelerating motor, the pneumatic pinch rotating device for being provided with workpiece, the gas for being provided with welding gun
Dynamic pressure always positioning device and automatic control electric device convenient for manipulation, column are installed on the workbench by screw, are worked
Platform is welded and fixed on the rack, and decelerating motor is fixedly mounted in rack by electric machine support,
Pneumatic pinch rotating device includes air spider, chuck connector, live spindle, spindle sprocket, pneumatic rotary device
And spindle bearing holder, live spindle bottom are provided with pneumatic rotary device, live spindle top is provided with gas by chuck connector
Dynamic chuck, live spindle are fixedly connected by spindle bearing holder with workbench, and the spindle sprocket of live spindle end passes through chain
It is sequentially connected with the motor sprocket of decelerating motor end,
Pneumatic clamping self locating device is gentle including moving up and down frame, welding gun adjustable support, ram shaft, pressure head bearing block
Cylinder moves up and down frame and is arranged on the guide rail slide block of column side by screw, and cylinder is arranged by air cylinder fixed plate in column
Top is provided with Pneumatic pipe throttle valve on cylinder, and cylinder swings universal floating connector by cylinder and connect with frame is moved up and down,
The welding gun adjustable support for being provided with welding gun is fixedly connected by screw with frame is moved up and down, and ram shaft is arranged by pressure head bearing block
On moving up and down frame, it is provided with tapered roller bearing between ram shaft and pressure head bearing block,
Automatically controlling electric device includes circuit control box, switch enclosure, pneumatic bigeminy part and solenoid valve, when being internally provided with
Between relay, contact relay, digital display relay, intermediate relay and breaker circuit control box existed by screw setting
Column side, is provided with that switch enclosure, switch enclosure and solenoid valve are corresponding with component each in circuit control box to be connected outside circuit control box
It connects, the solenoid valve cylinder manifold for installing pneumatic bigeminy part and solenoid valve is arranged also by screw in column side.
Further, live spindle is hollow structure, and external air source passes through live spindle and pneumatic rotary device and pneumatic clamping
Disk connection.
Further, the position-limit mechanism for limiting its rotation is provided on pneumatic rotary device, position-limit mechanism includes limit
Bar and stop screw, gag lever post bottom are fixedly connected by screw rod with rack, and gag lever post top passes through housiung separator and passes through cross
It is connect to the stop screw of setting with pneumatic rotary device.
Further, deep groove ball bearing and thrust ball bearing, spindle shaft are provided between live spindle and spindle bearing holder
It holds a both ends and bearing cap is provided with by screw.
Further, ram shaft top is provided with carbon brush collector ring, and pressure head shaft tail end is provided with workpiece hold-down head.
Further, workpiece hold-down head is provided centrally with cylinder cone cell shrinkage pool, and shrinkage pool both ends are provided with by force by screw
Power magnet.
Further, pneumatic bigeminy part is oil water separator, and pneumatic bigeminy part one end connect with external air source, the other end and
Solenoid valve cylinder manifold connects, and is provided with solenoid valve one and solenoid valve two on solenoid valve cylinder manifold, and solenoid valve one is connect with cylinder, electricity
Magnet valve two is connect with pneumatic rotary device.
The utility model has the beneficial effects that carrying out stabilizing grip and Spin welding to workpiece by pneumatic pinch rotating device
It connects;Realize the easy adjustment of Butt welding gun, by pneumatic clamping self locating device to meet different use demands;By controlling automatically
Electric device completion processed is precisely controlled welding process, to effectively increase the quality and stability of product, shortens life
The period is produced, production efficiency is improved, is very suitable to large batch of production.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the main view of the utility model;
Fig. 2 is enlarged drawing at A in Fig. 1;
Fig. 3 is enlarged drawing at B in Fig. 1;
Fig. 4 is enlarged drawing at C in Fig. 1;
Fig. 5 is the side view of the utility model;
Fig. 6 is enlarged drawing at D in Fig. 5.
1. rack in figure, 2. workbench, 3. columns, 4. decelerating motors, 5. welding guns, 6. electric machine supports, 7. air spiders, 8.
Chuck connector, 9. live spindles, 10. spindle sprockets, 11. pneumatic rotary devices, 12. spindle bearing holders, 13. motor sprockets, 14.
Chain, 15. move up and down frame, 16. welding gun adjustable supports, 17. ram shafts, 18. pressure head bearing blocks, 19. cylinders, 20. guide rails cunning
Block, 21. air cylinder fixed plates, 22. Pneumatic pipe throttle valves, 23. cylinders swing universal floating connector, 24. tapered roller bearings,
25. circuit control box, 26. switch enclosures, 27. pneumatic bigeminy parts, 28. solenoid valves one, 29. solenoid valve cylinder manifolds, 30. gag lever posts,
31. stop screw, 32. deep groove ball bearings, 33. thrust ball bearings, 34. carbon brush collector rings, 35. workpiece hold-down heads, 36. shrinkage pools,
37. strong magnets, 38. solenoid valves two, 39. bearing caps, 40. workpiece one, 41. workpiece two.
Specific embodiment
As shown in Fig. 1 ~ 4, a kind of cylinder body circular seam automatic soldering device, including rack 1, workbench 2, column 3, deceleration electricity
Machine 4, the pneumatic pinch rotating device for being provided with workpiece, the pneumatic clamping self locating device for being provided with welding gun 5 and convenient for manipulation
Electric device is automatically controlled, column 3 is mounted on workbench 2 by screw, and workbench 2 is weldingly fixed in rack 1, and slow down electricity
Machine 4 is fixedly mounted in rack 1 by electric machine support 6, pneumatic pinch rotating device include air spider 7, chuck connector 8,
Live spindle 9, spindle sprocket 10, pneumatic rotary device 11 and spindle bearing holder 12,9 bottom of live spindle are provided with pneumatic rotary device
11, air spider 7 is provided with by chuck connector 8 at the top of live spindle 9, live spindle 9 passes through spindle bearing holder 12 and work
Make platform 2 to be fixedly connected, the spindle sprocket 10 of 9 end of live spindle passes through the motor sprocket 13 of chain 14 and 4 end of decelerating motor
Transmission connection.9 tail portion of live spindle is provided with screw thread and is used to assemble pneumatic rotary device 11, is provided with screw thread at the top of live spindle 9,
Chuck connector 8 is fixed in live spindle 9 by round nut, spindle bearing holder 12, main shaft are provided in the middle part of live spindle 9
Bearing block 12 is fixed on workbench 2 by hexagon socket cap head screw, and air spider 7 passes through hexagon socket cap head screw and card
Disk connector 8 is fixed, and deep groove ball bearing 32 and thrust ball bearing 33 are provided between live spindle 9 and spindle bearing holder 12, is made
Main shaft can rotate but also bear axial load, and 12 both ends of spindle bearing holder are provided with bearing cap 39, pass through interior hexagonal cylindrical head
Screw is fixed.Live spindle 9 is hollow structure, and external air source is connected by live spindle 9 and pneumatic rotary device 11 and air spider 7
Logical, 17 top of ram shaft is provided with carbon brush collector ring 34, and carbon brush collector ring 34 is connected with the cathode of welding machine, can effectively steadily
Biggish welding current is collected and passes to workpiece from ram shaft 17,17 tail end of ram shaft is provided with workpiece hold-down head 35, pressure head
It is provided with pressure head bearing block 18 in the middle part of axis 17, tapered roller bearing 24 is provided between ram shaft 17 and pressure head bearing block 18, presses
Head bearing support 18 is fixed on by hexagon socket cap head screw to be moved up and down on frame 15, and 35 center of workpiece hold-down head is in cylinder cone cell
Shrinkage pool, and strong magnets 37 are provided with by cross recessed countersunk head sscrew, workpiece hold-down head 35 can be according to the of different sizes of workpiece
It is replaced.
Pneumatic clamping self locating device includes moving up and down frame 15, welding gun adjustable support 16, ram shaft 17, pressure head bearing block
18 and cylinder 19, it moves up and down frame 15 and is arranged on the guide rail slide block 20 of 3 side of column by screw, cylinder 19 is solid by cylinder
The setting of fixed board 21 is provided with Pneumatic pipe throttle valve 22 on 3 top of column, cylinder 19, and cylinder 19 is swung universal floating by cylinder
Dynamic connector 23 is connect with frame 15 is moved up and down, and is provided with the welding gun adjustable support 16 of welding gun 5 by screw and is moved up and down frame 15
It is fixedly connected, welding gun adjustable support 16 is fixed on by hexagon socket cap head screw to be moved up and down on frame 15, and moves up and down frame
15 move synchronously, the position of adjustable 5 top to bottom, left and right, front and rear of welding gun of welding gun adjustable support 16, and lock function with position
Can, ram shaft 17 is arranged on moving up and down frame 15 by pressure head bearing block 18, sets between ram shaft 17 and pressure head bearing block 18
It is equipped with tapered roller bearing 24, frame 15 is moved up and down and is arranged on guide rail slide block 20 by hexagon socket cap head screw, for leading
The slide block guide rail that rail sliding block 20 slides is fixed on column 3 by hexagon socket cap head screw, passes through interior hexagonal circle at the top of column 3
Chapiter screw is provided with air cylinder fixed plate 21, and hexagon socket cap head screw is provided with cylinder 19, gas in air cylinder fixed plate 21
Pneumatic pipe throttle valve 22 is provided on cylinder 19, cylinder 19 swings universal floating connector 23 and move up and down frame 15 by cylinder to be connected
Connect so that cylinder 19 drive move up and down frame 15 slide it is smooth, will not be stuck because of there is some deviations to cause.
Automatically controlling electric device includes that circuit control box 25, switch enclosure 26, pneumatic bigeminy part 27 and solenoid valve, inside are set
The circuit control box 25 for being equipped with the time relay, contact relay, digital display relay, intermediate relay and breaker passes through spiral shell
Nail setting is provided with switch enclosure 26, switch enclosure 26 and solenoid valve and circuit control box outside 3 side of column, circuit control box 25
Each component is correspondingly connected in 25, and the solenoid valve cylinder manifold 29 for installing pneumatic bigeminy part 27 and solenoid valve is arranged also by screw
In 3 side of column, pneumatic bigeminy part 27 is oil water separator, and pneumatic 27 one end of bigeminy part connect with external air source, the other end and
Solenoid valve cylinder manifold 29 connects, and is provided with solenoid valve 1 and solenoid valve 2 38 on solenoid valve cylinder manifold 29, solenoid valve 1 with
Cylinder 19 connects, and solenoid valve 2 38 is connect with pneumatic rotary device 11.Be provided in circuit control box 25 digital time relay,
The elements such as contact relay, digital display relay, intermediate relay, breaker, knob/button switch enclosure 26 and 3 position-5 way electricity
Magnet valve connects one to one energization with circuit control box 25, scram button is provided on knob/button switch enclosure 26, power supply refers to
Show that lamp, manual/auto welding, Workpiece clamping, workpiece compress, press from both sides the buttons such as loose, manual upper and lower, manual turntable manually.
As it can be seen in figures 5 and 6, being provided with the position-limit mechanism for limiting its rotation, position-limit mechanism packet on pneumatic rotary device 11
Gag lever post 30 and stop screw 31 are included, 30 bottom of gag lever post is fixedly connected by screw rod with rack 1, and 30 top of gag lever post passes through machine
Frame crossbeam is simultaneously connect by the stop screw 31 that is laterally arranged with pneumatic rotary device 11, and gag lever post 30 and stop screw 31 are in order to prohibit
Only pneumatic rotary device 11 rotates and is arranged.
The method of controlling operation thereof of the cylinder body circular seam automatic welding is: opening gas source, powers on, opens automatic feeding weldering
Machine;Workpiece 1 is placed in the claw of air spider 7;Workpiece 2 41 is put into workpiece hold-down head 35, strong magnets 37 are inhaled
Clamping of workpieces 2 41;At switch enclosure 26, " Workpiece clamping " button, 7 Automatic-clamping workpiece 1 of air spider are clicked;In switch enclosure
At 26, " workpiece compression " button is clicked, the drive of cylinder 19 moves up and down frame 15 and welding gun 5 is moved down into welding position (at this time
Workpiece pressing 1 of workpiece 2 41, and workpiece 2 41 and workpiece 1 are concentric);It, will " automatic manually " rotation at switch enclosure 26
Button gets to automatic transmission, and then decelerating motor 4 starts, and workpiece slowly runs with air spider 7, and 5 power supply of welding gun is connected, welding gun
5 alignment pieces commissures carry out automatic welding, and the movement is by the time relay and solenoid valve control in circuit control box 25, phase
After completion;The time of welding is set up by digital display time relay;Weld interval automaticallys cut off the power after reaching setting, and slow down electricity
Machine 4 stops rotating, and cylinder 19 releases the pressurized state to workpiece and welding gun 5 is driven to reset, and air spider 7 unclamps workpiece automatically,
The movement is successively performed by the time relay and solenoid valve control;Welding is completed, and welding workpiece is removed.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait
Effect, but all will fall within the protection scope of the utility model.
Claims (7)
1. a kind of cylinder body circular seam automatic soldering device, characterized in that including rack (1), workbench (2), column (3), slow down
Motor (4), the pneumatic pinch rotating device for being provided with workpiece, the pneumatic clamping self locating device for being provided with welding gun (5) and it is convenient for
The automatic control electric device of manipulation, column (3) are mounted on workbench (2) by screw, and workbench (2) is weldingly fixed on machine
On frame (1), decelerating motor (4) is fixedly mounted in rack (1) by electric machine support (6),
The pneumatic pinch rotating device includes air spider (7), chuck connector (8), live spindle (9), spindle sprocket
(10), pneumatic rotary device (11) and spindle bearing holder (12), live spindle (9) bottom are provided with pneumatic rotary device (11), rotation
Be provided with air spider (7) by chuck connector (8) at the top of main shaft (9), live spindle (9) by spindle bearing holder (12) with
Workbench (2) is fixedly connected, and the spindle sprocket (10) of live spindle (9) end passes through chain (14) and decelerating motor (4) end
Motor sprocket (13) transmission connection,
The pneumatic clamping self locating device includes moving up and down frame (15), welding gun adjustable support (16), ram shaft (17), pressure head
Bearing block (18) and cylinder (19) move up and down frame (15) and are arranged on the guide rail slide block (20) of column (3) side by screw,
Cylinder (19) is arranged at the top of column (3) by air cylinder fixed plate (21), and cylinder is provided with Pneumatic pipe throttle valve on (19)
(22), cylinder (19) swings universal floating connector (23) by cylinder and connect with frame (15) is moved up and down, and is provided with welding gun (5)
Welding gun adjustable support (16) is fixedly connected by screw with frame (15) is moved up and down, and ram shaft (17) passes through pressure head bearing block (18)
It is arranged on moving up and down frame (15), tapered roller bearing (24) is provided between ram shaft (17) and pressure head bearing block (18),
The automatic control electric device includes circuit control box (25), switch enclosure (26), pneumatic bigeminy part (27) and solenoid valve,
It is internally provided with the circuit control box of the time relay, contact relay, digital display relay, intermediate relay and breaker
(25) be arranged by screw in column (3) side, be provided with switch enclosure (26) outside circuit control box (25), switch enclosure (26) and
Solenoid valve is correspondingly connected with each component in circuit control box (25), for installing the solenoid valve of pneumatic bigeminy part (27) and solenoid valve
Cylinder manifold (29) is arranged also by screw in column (3) side.
2. a kind of cylinder body circular seam automatic soldering device according to claim 1, characterized in that the live spindle (9)
For hollow structure, external air source is connected to by live spindle (9) with pneumatic rotary device (11) and air spider (7).
3. a kind of cylinder body circular seam automatic soldering device according to claim 1, characterized in that the pneumatic rotary device
(11) position-limit mechanism for limiting its rotation is provided on, position-limit mechanism includes gag lever post (30) and stop screw (31), limit
Position bar (30) bottom is fixedly connected by screw rod with rack (1), and gag lever post (30) top passes through housiung separator and by laterally setting
The stop screw (31) set is connect with pneumatic rotary device (11).
4. a kind of cylinder body circular seam automatic soldering device according to claim 1, characterized in that the live spindle (9)
Deep groove ball bearing (32) and thrust ball bearing (33) are provided between spindle bearing holder (12), spindle bearing holder (12) both ends are logical
It crosses screw and is provided with bearing cap (39).
5. a kind of cylinder body circular seam automatic soldering device according to claim 1, characterized in that ram shaft (17) top
End is provided with carbon brush collector ring (34), and ram shaft (17) tail end is provided with workpiece hold-down head (35).
6. a kind of cylinder body circular seam automatic soldering device according to claim 5, characterized in that the workpiece hold-down head
(35) it is provided centrally with cylinder cone cell shrinkage pool (36), and shrinkage pool (36) both ends are provided with strong magnets (37) by screw.
7. a kind of cylinder body circular seam automatic soldering device according to claim 1, characterized in that the pneumatic bigeminy part
It (27) is oil water separator, pneumatic bigeminy part (27) one end is connect with external air source, and the other end and solenoid valve cylinder manifold (29) are even
It connects, is provided with solenoid valve one (28) and solenoid valve two (38) on solenoid valve cylinder manifold (29), solenoid valve one (28) and cylinder (19)
Connection, solenoid valve two (38) are connect with pneumatic rotary device (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920068962.9U CN209565607U (en) | 2019-01-16 | 2019-01-16 | A kind of cylinder body circular seam automatic soldering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920068962.9U CN209565607U (en) | 2019-01-16 | 2019-01-16 | A kind of cylinder body circular seam automatic soldering device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209565607U true CN209565607U (en) | 2019-11-01 |
Family
ID=68332187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920068962.9U Active CN209565607U (en) | 2019-01-16 | 2019-01-16 | A kind of cylinder body circular seam automatic soldering device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209565607U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111716059A (en) * | 2020-06-24 | 2020-09-29 | 浙江永源机电制造有限公司 | Air compressor machine interface boxing frock |
CN115401397A (en) * | 2022-09-05 | 2022-11-29 | 一拖(洛阳)福莱格车身有限公司 | Automatic welding device for circular weld joints on two surfaces of shaft and operation method |
-
2019
- 2019-01-16 CN CN201920068962.9U patent/CN209565607U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111716059A (en) * | 2020-06-24 | 2020-09-29 | 浙江永源机电制造有限公司 | Air compressor machine interface boxing frock |
CN111716059B (en) * | 2020-06-24 | 2022-02-01 | 浙江永源机电制造有限公司 | Air compressor machine interface boxing frock |
CN115401397A (en) * | 2022-09-05 | 2022-11-29 | 一拖(洛阳)福莱格车身有限公司 | Automatic welding device for circular weld joints on two surfaces of shaft and operation method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105215562B (en) | Full-automatic spot welding machine | |
CN211192618U (en) | Semi-automatic welding device for stainless steel pipe fitting | |
CN103286487B (en) | Extinguisher cylinder welding machine and welding method thereof | |
CN209565607U (en) | A kind of cylinder body circular seam automatic soldering device | |
CN202344110U (en) | Sleeve welding machine | |
CN205996430U (en) | Scaffold cross bar double automatic welding device | |
CN104084667A (en) | Gas filling bottle automatic welding machine and production method thereof | |
CN201922178U (en) | Automatic welding device | |
CN104084666A (en) | Gas filling bottle rotating welding machine and production method thereof | |
CN101623792A (en) | Automobile starter motor stator auxiliary pole automatic welder | |
CN208961376U (en) | Jig is used in a kind of welding of tubing | |
CN108215212A (en) | A kind of friction welding apparatuses simple to operation | |
CN115570269B (en) | Laser welding machine | |
CN114515794B (en) | Fixed processingequipment of cylindricality or cylindric metal work piece | |
CN203599722U (en) | Fuel tank end cover welding machine | |
CN114905221A (en) | Quick positioning and assembling process for pipe orifice flange | |
CN201161335Y (en) | Preload rotary electrode soldering bench | |
CN112705876A (en) | Long stirrup welding equipment | |
CN203973024U (en) | Gas filling bottle automatic welder(welding machine) | |
CN209867630U (en) | Engineering machine tool accessory electric welding processing equipment convenient to use | |
CN207840765U (en) | Machining center template clamp system | |
CN201614401U (en) | Special equipment for plasma coating and welding of powder | |
CN2257756Y (en) | Automatic wire inserting appts. of programmable prodn. line for sandwiched composite board | |
CN215658292U (en) | Wire electrode clamping and positioning device of linear cutting machine | |
CN220527000U (en) | Square lithium battery recycling and disassembling equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 225800 No.5 No.6 workshop, Anyi Industrial Park, Baoying County, Yangzhou City, Jiangsu Province Patentee after: Qihao Precision Machinery (Yangzhou) Co.,Ltd. Address before: 225800 No.5 No.6 workshop, Anyi Industrial Park, Baoying County, Yangzhou City, Jiangsu Province Patentee before: JIANGSU QIHAO PRECISION MACHINERY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |