CN202453325U - Automatic feeding magnetic powder flaw detection line for bolts - Google Patents
Automatic feeding magnetic powder flaw detection line for bolts Download PDFInfo
- Publication number
- CN202453325U CN202453325U CN2012200037869U CN201220003786U CN202453325U CN 202453325 U CN202453325 U CN 202453325U CN 2012200037869 U CN2012200037869 U CN 2012200037869U CN 201220003786 U CN201220003786 U CN 201220003786U CN 202453325 U CN202453325 U CN 202453325U
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Abstract
The utility model relates to an automatic feeding magnetic powder flaw detection line for bolts, which is characterized in that a manipulator device is arranged above a chain wheel conveying device, a displacement cylinder and a lifting cylinder are arranged on the upper surfaceof the transverse beam of a manipulator support in the manipulator device, and an ultraviolet lamp and cameras are arranged on the lower surface of the transverse beam; the extension end of the piston rod of the lifting cylinder is connected with the top of a rotating support, and a rotating shaft which is in movable fit in the inner hole with a plurality of vertical plates is arranged at the left part of the lower surface of the rotating support; a rotating cylinder is fixedly arranged at the right part of the lower surface of the rotating support, and the extension end of the piston rod of the rotating cylinder is connected with one end of the rotating shaft; a plurality of electromagnetic finger clamps are fixedly arranged on the rotating shaft; and a feeding device is arranged on the left side of the chain wheel conveying device and below the lifting cylinder. Since a full-automatic feeding system is adopted, the manual operation is replaced, the speed is high and the efficiency is high; and since an automatic flaw sorting system is adopted, the manual sorting is replaced, the reliability is high, the time and the labor are saved, the speed is high and the demands of large-scale product detection can be fully met.
Description
Technical field
The utility model relates to a kind of Non-Destructive Testing machinery, relates in particular to a kind of bolt automatic charging magnetic powder inspection line.
Background technology
Existing magnetic powder inspection equipment adopts the method for artificial workpiece loading and unloading, manual observation to carry out to the detection of bolt, can't satisfy the demand that bolt is produced in batches, wastes time and energy, and labor strength is big.
The utility model content
The purpose of the utility model is to provide a kind of can satisfy a kind of bolt automatic charging magnetic powder inspection line bolt batch production requirements, that need not manual inspection, the ability automatic charging.
For realizing above-mentioned purpose, the technical scheme that the utility model adopted is: this bolt automatic charging magnetic powder inspection line comprises electrical apparatus control system, sprinkling system, circumferential magnetization power supply, longitudinal magnetization power supply, lighting device, demagnetizer; Also comprise frame seat; On frame seat, be fixed with intercepting basin, sprocket wheel transport successively, said sprocket wheel transport is on the pair of sprocket pedestal, to be furnished with main drive shaft and drive sprocket, driven shaft and driven sprocket respectively; One end of main drive shaft directly is connected with the PTO of reductor; On drive sprocket and driven sprocket, be furnished with chain, on chain, be fixed with the device that array is carried the bolt workpiece, on the hydrops groove below the drive sprocket lower half, be provided with the chute that the bolt workpiece falls; Two side faces in the middle part of the upper half of drive sprocket and chain that driven sprocket is joined is provided with magnetizing assembly, and the fixed electorde in this device fits over a side of chain, and fixed electorde fits on the electrode case, is provided with the yoke coil in the fixed electorde periphery; Float electrode fits over the another side of chain; Float electrode is fixed on of energising axle; The other end of energising axle is connected with the piston rod external part that clamps cylinder, clamps cylinder and fits on the clamping cylinder support, clamps the cylinder support and is fixed on the frame seat through intercepting basin; Be provided with the yoke coil too in the float electrode periphery;
It is characterized in that: above the sprocket wheel transport, be provided with robot device; The footing of the manipulator support column in the said robot device is fixed on the frame seat through the hydrops groove, and left one side of something is provided with rail brackets above the crossbeam of manipulator support; On rail brackets, be provided with guide rail; Lift cylinder fits on the guide rail on the rail brackets through self set rail groove, and the displacement cylinder is fixed on the right-hand part of rail brackets, and the piston rod external part of displacement cylinder is connected with lift cylinder; The piston rod external part of lift cylinder is connected with the top of rotary support, and left part is provided with in the endoporus of several erect plates below the rotary support has turning axle movingly; Right part is fixed with rotation cylinder below rotary support, and one of the piston rod external part of rotation cylinder and turning axle is connected; On turning axle, be fixed with several electromagnetic types and refer to folder;
The left side of sprocket wheel transport and be positioned at lift cylinder below be provided with pay-off; Feeding base in the said pay-off is fixed on the left surface of frame seat, is provided with vibrating disk in the left front of feeding base, on the feeding base, is furnished with feeding cylinder; On feeding cylinder, be fixed with marker board; Be provided with several in the front of marker board and rub the material mouth with the hands, on the feeding base of marker board front, be respectively equipped with the discharge gate and the limiting plate of the discharge groove of vibrating disk;
Below the crossbeam of manipulator support support and above the magnetizing assembly right side, be provided with UV-lamp and several cameras that is connected with electrical apparatus control system;
Said each cylinder is communicated with the control pressurer system of pressure gas source through pipeline and solenoid valve, and solenoid valve is connected with electrical apparatus control system through electric wire.
Described a kind of bolt automatic charging magnetic powder inspection line, it is characterized in that: it is to be furnished with coil respectively in the iron core periphery that said electromagnetic type refers to press from both sides its structure, of referring to press from both sides through iron core is fixed on the turning axle electromagnetic type.
Described a kind of bolt automatic charging magnetic powder inspection line is characterized in that: be fixed with the device that array is carried the bolt workpiece on the said chain, this installs and is provided with several in every group and bolt workpiece bolt is the V-arrangement work supporting block that the horizontal state column part matches.
Described a kind of bolt automatic charging magnetic powder inspection line; It is characterized in that: carry V-arrangement work supporting block, float electrode, the camera of bolt workpiece to be 4-8 for fixing every group on the stranding material mouth that said electromagnetic type refers to press from both sides, the marker board front is set, the chain; And the vertical center line of said each stranding material mouth, V-arrangement work supporting block, float electrode, camera all refers to that with electromagnetic type the vertical center line that presss from both sides is corresponding.
The utility model beneficial effect compared with prior art:
1, adopted full-automatic feeder system to replace manually-operated fully, speed is fast, efficient is high;
2, the alternative manual work of defective automatic sorting system has flawless sorting, good reliability, time saving and energy saving;
3, speed is fast, can satisfy the demand that typical products in mass production detects fully.
Description of drawings:
Fig. 1 is the front view of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be among Fig. 1 A-A to sectional view;
Fig. 4 be among Fig. 1 D-D to sectional view;
Fig. 5 be among Fig. 1 B to view;
Fig. 6 is that C among Fig. 5 is to view.
Among the figure: 1. guide rail, 2. lift cylinder, 3. rail brackets, 4. displacement cylinder, 5. electrode case, 6. yoke coil, 7. manipulator support; 8. chain, 9. drive sprocket, 10. main drive shaft, 11. intercepting basins, 12. chutes, 13. infusion pumps, 15. liquid reserve tanks; 16. frame seat, 17. limiting plates, 18. feeding bases, 19. feeding cylinder piston rods, 20. vibrating disks, 21. electromagnetic types refer to folder, 22. turning axles; 23. rotary support, 24. rotation cylinder, 25. driven shafts, 26. driven sprockets, 27.V shape work supporting block, 28. marker boards, 29. feeding cylinders; 30. the sprocket wheel pedestal, 31. bolt workpiece, 33. fixed electordes, 34. reductors, 35. clamp cylinder, and 36. clamp cylinder support, 37. float electrodes; 38. the energising axle, 39. coils, 40. iron cores, 41. cameras, 42. rub material mouth, 43. discharge grooves, 44. UV-lamps with the hands.
Embodiment:
Describe the utility model in detail below in conjunction with accompanying drawing:
Shown in Fig. 1-4, this bolt automatic charging magnetic powder inspection line comprises electrical apparatus control system, sprinkling system, circumferential magnetization power supply, longitudinal magnetization power supply, lighting device, demagnetizer; Sprinkling system mainly by the infusion pump 13, the liquid reserve tank 15 that fit in the frame seat 16, is provided with the magnetic flaw detection ink shower nozzle in the magnetizing assembly place, and fixing intercepting basin 11 is formed on frame seat 16; Shown in Fig. 1-2; Be provided with the sprocket wheel transport above the intercepting basin of on frame seat 16, being fixed 11; Said sprocket wheel transport is that pair of sprocket pedestal 30 is fitted over above the intercepting basin 11 through frame seat 16, on pair of sprocket pedestal 30, is furnished with main drive shaft 10 and drive sprocket 9, driven shaft 25 and driven sprocket 26 respectively; One end of main drive shaft 10 directly is connected with the PTO of reductor 34; On drive sprocket 9 and driven sprocket 26, be furnished with chain 8, on chain 8, be fixed with the device that array is carried bolt workpiece 31, this installs and is provided with several in every group and bolt workpiece 31 is the V-arrangement work supporting block 27 that the horizontal state column part matches; On the hydrops groove 11 below drive sprocket 9 lower halfs, be provided with the chute 12 that bolt workpiece 31 falls; The two side faces of joining the upper half middle part of chain 8 at drive sprocket 9 and 26 of driven sprockets is provided with magnetizing assembly, and the fixed electorde 33 in this device fits over a side of chain 8, and fixed electorde 33 fits on the electrode case 5, is provided with yoke coil 6 in fixed electorde 33 peripheries; Float electrode 37 fits over the another side of chain 8, and float electrode 37 is fixed on of energising axle 38, and the other end of energising axle 38 is connected with the piston rod external part that clamps cylinder 35, is provided with yoke coil 6 too in float electrode 37 peripheries;
The fixed electorde 33 of this magnetizing assembly is made as an integral body; And float electrode 37 is made as with every group of 4 bolt workpiece 31 are corresponding and also is 4; 4 float electrodes 37 are separately fixed on of energising axle 38; The other end of 4 energising axles 38 is connected with 4 piston rod external parts that clamp cylinder 35 respectively, and 4 clamping cylinders 35 fit over and clamp on the cylinder support 36, clamp cylinder support 36 and are fixed on the frame seat 16 through intercepting basin 11; Periphery in 4 float electrodes 37 of a row is provided with yoke coil 6;
Above the sprocket wheel transport, be provided with robot device; The footing of manipulator support 7 columns in the said robot device is fixed on the frame seat 16 through hydrops groove 11, and left one side of something is provided with rail brackets 3 above the crossbeam of manipulator support 7; On rail brackets 3, be provided with guide rail 1; Lift cylinder 2 fits on the guide rail 1 on the rail brackets 3 through self set rail groove, and displacement cylinder 4 is fixed on the right-hand part of rail brackets 3, and the piston rod external part of displacement cylinder 4 is connected with lift cylinder 2; The piston rod external part of lift cylinder 2 is connected with the top of rotary support 23, and left parts are provided with in the endoporus of several erect plates below the rotary support 23 has turning axle 22 movingly; Right part is fixed with rotation cylinder 24 below rotary support 23, and one of the piston rod external part of rotation cylinder 24 and turning axle 22 is connected; On turning axle 22, be fixed with several electromagnetic types and refer to press from both sides 21; It is to be furnished with coil 39 respectively in iron core 40 peripheries that said electromagnetic type refers to press from both sides 21 its structures, and electromagnetic type refers to press from both sides 21 through iron core 40 one and is fixed on the turning axle 22;
The left side of sprocket wheel transport and be positioned at lift cylinder 2 below be provided with pay-off; Feeding base 18 in the said pay-off is fixed on the left surface of frame seat 16; Be provided with vibrating disk 20 in the left front of feeding base 18, said vibrating disk 20 is the prior art structure, and is on sale on the market; On feeding base 18, is furnished with feeding cylinder 29; On feeding cylinder 29, be fixed with marker board 28; Be provided with several in the front of marker board 28 and rub material mouth 42 with the hands, on the feeding base 18 of marker board 28 fronts, be respectively equipped with the discharge gate and the limiting plate 17 of the discharge groove 43 of vibrating disk 20; The feeding cylinder piston rod 19 of said feeding cylinder 29 is fixed two guide rails, and during work, cylinder block moves back and forth on two cylinder piston rods 19 under the effect of air pressure;
Below the crossbeam of manipulator support 7 supports and above the magnetizing assembly right side, be provided with UV-lamp 44 and several cameras that is connected with electrical apparatus control system 41;
Said each cylinder is communicated with the control pressurer system of pressure gas source through pipeline and solenoid valve, and solenoid valve is connected with electrical apparatus control system through electric wire;
Carry V-arrangement work supporting block 27, float electrode 37, the camera 41 of bolt workpiece 31 to be 4 for fixing every group on the stranding material mouth 42 that said electromagnetic type refers to press from both sides 21, marker board 28 fronts are set, the chain 8; And said each rub the vertical center line of material mouthfuls 42, V-arrangement work supporting block 27, float electrode 37, camera 41 with the hands, all to refer to press from both sides 21 vertical center line corresponding with electromagnetic type.
The course of work and principle of work:
After pouring into the bolt workpiece 31 of needs detection in vibrating disk 20 hoppers, under the vibration of vibrating disk 20, arrange, progressively discharge bolt workpiece 31 through the discharge gate of discharge groove 43, and fitly be suspended on the discharging opening of vibrating disk 20 from the bottom surface of dish; Meanwhile marker board 28 moves right under feeding cylinder 29 effects; Because the vibration of vibrating disk 20 makes bolt workpiece 31 that certain forward thrust arranged, and bolt workpiece 31 is slided in the stranding material mouth 42 of marker board 28 one by one;
Then, the rotation cylinder in the robot device 24 makes electromagnetic type refer to press from both sides 21 in vertical state; Lift cylinder 2 drive electromagnetic types in the robot device refer to press from both sides 21 and move downward; Electromagnetic type refers to press from both sides 21 energisings then, and one group of bolt workpiece 31 is all picked up;
At this moment, the lift cylinder 2 drive electromagnetic types in the robot device refer to press from both sides 21 and move upward, and then, the displacement cylinder 4 in the robot device drives bolt workpiece 31 and moves right; When moving to low order end, lift cylinder 2 is downward, and simultaneously, rotation cylinder 24 is rotated, and bolt workpiece 31 is the level of state; At last, electromagnetic type refers to press from both sides 21 outages, and bolt workpiece 31 is placed on the V-arrangement work supporting block 27 on the sprocket wheel transport;
After bolt workpiece 31 is put on the V-arrangement work supporting block 27; Lift cylinder 2 in the robot device moves upward, and meanwhile, displacement cylinder 4 is moved to the left; Rotation cylinder 24 is rotated; Make electromagnetic type refer to press from both sides 21 in vertical state, the electromagnetic type in the robot device refer to press from both sides 21 turn back to pay-off the top, prepare to grasp next group bolt workpiece 31; Simultaneously, the sprocket wheel transport is delivered to the magnetizing assembly place with bolt workpiece 31, is accomplished actions such as bolt workpiece 31 sprays, magnetization by magnetizing assembly;
After the magnetization of completion to bolt workpiece 31; The sprocket wheel transport is delivered to UV-lamp 44 and camera 41 belows with bolt workpiece 31; Making a video recording in 9 pairs of bolt workpiece 31 surfaces of camera, because camera 9 is connected with electrical apparatus control system, carries out graphical analysis through electrical apparatus control system; Certified products and the bolt workpiece 31 that does not conform to article are carried out classification processing, then demagnetizer on the sorted bolt workpiece 31 is carried out the integral body demagnetization and handle;
The described electrical apparatus control system of the utility model is a prior art, is not described in detail in this;
The principle of magnetic powder inspection:
Magnetic powder inspection is the bolt workpiece 31 that the magnetic conductive metal material is processed, and magnetizes to degree of saturation, if material internal is very even; Do not have defective, then portion will produce the equally distributed magnetic line of force within it, if when there are defective such as crackle, slag inclusion or pore in surface of the work or nearly surf zone; These defectives can hinder passing through of the magnetic line of force, produce the leakage field phenomenon, make the local magnetic field that forms a little N-S pole pair on the surface of defective both sides; At this moment, on the surface of seized workpiece, spray magnetic or magnetic suspending liquid, magnetic will be adsorbed by stray field; The generation magnetic gathers, thereby clearly illustrates the image of defective out, forms the magnetic trace.
Claims (4)
1. a bolt automatic charging magnetic powder inspection line comprises electrical apparatus control system, sprinkling system, circumferential magnetization power supply, longitudinal magnetization power supply, lighting device, demagnetizer; Also comprise frame seat (16); On frame seat (16), be fixed with intercepting basin (11), sprocket wheel transport successively; Said sprocket wheel transport; Be on pair of sprocket pedestal (30), to be furnished with main drive shaft (10) and drive sprocket (9), driven shaft (25) and driven sprocket (26) respectively; One end of main drive shaft (10) directly is connected with the PTO of reductor (34); On drive sprocket (9) and driven sprocket (26), be furnished with chain (8), on chain (8), be fixed with the device that array is carried bolt workpiece (31), on the hydrops groove (11) of drive sprocket (9) lower half below, be provided with the chute (12) that bolt workpiece (31) falls; The two side faces of joining the upper half middle part of chain (8) at drive sprocket (9) and driven sprocket (26) is provided with magnetizing assembly; Fixed electorde in this device (33) fits over a side of chain (8); Fixed electorde (33) fits on the electrode case (5), is provided with yoke coil (6) in fixed electorde (33) periphery; Float electrode (37) fits over the another side of chain (8); Float electrode (37) is fixed on of energising axle (38); The other end of energising axle (38) is connected with the piston rod external part that clamps cylinder (35); Clamp cylinder (35) and fit on the clamping cylinder support (36), clamp cylinder support (36) and be fixed on the frame seat (16) through intercepting basin (11); Be provided with yoke coil (6) too in float electrode (37) periphery;
It is characterized in that: above the sprocket wheel transport, be provided with robot device; The footing of the manipulator support in the said robot device (7) column; Be fixed on the frame seat (16) through hydrops groove (11); Left one side of something is provided with rail brackets (3) above the crossbeam of manipulator support (7), on rail brackets (3), is provided with guide rail (1), and lift cylinder (2) fits on the guide rail (1) on the rail brackets (3) through self set rail groove; Displacement cylinder (4) is fixed on the right-hand part of rail brackets (3); The piston rod external part of displacement cylinder (4) is connected with lift cylinder (2), and the piston rod external part of lift cylinder (2) is connected with the top of rotary support (23), and the following left part of rotary support (23) is provided with in the endoporus of several erect plates has turning axle (22) movingly; Right part is fixed with rotation cylinder (24) below rotary support (23), and one of the piston rod external part of rotation cylinder (24) and turning axle (22) is connected; On turning axle (22), be fixed with several electromagnetic types and refer to folder (21);
In the left side of sprocket wheel transport and the below that is positioned at lift cylinder (2) be provided with pay-off; Feeding base (18) in the said pay-off is fixed on the left surface of frame seat (16); Be provided with vibrating disk (20) in the left front of feeding base (18); On feeding base (18), be furnished with feeding cylinder (29), on feeding cylinder (29), be fixed with marker board (28), be provided with several in the front of marker board (28) and rub material mouthful (42) with the hands; On the feeding base (18) of marker board (28) front, be respectively equipped with the discharge gate and the limiting plate (17) of the discharge groove (43) of vibrating disk (20);
Below the crossbeam of manipulator support (7) support and above the magnetizing assembly right side, be provided with UV-lamp (44) and several cameras that is connected with electrical apparatus control system (41);
Said each cylinder is communicated with the control pressurer system of pressure gas source through pipeline and solenoid valve, and solenoid valve is connected with electrical apparatus control system through electric wire.
2. a kind of bolt automatic charging magnetic powder inspection line according to claim 1; It is characterized in that: said electromagnetic type refers to that folder (21) its structure is to be furnished with coil (39) respectively in iron core (40) periphery, and electromagnetic type refers to that folder (21) through iron core (40) is fixed on the turning axle (22).
3. a kind of bolt automatic charging magnetic powder inspection line according to claim 1; It is characterized in that: be fixed with the device that array is carried bolt workpiece (31) on the said chain (8), this installs and is provided with several in every group and bolt workpiece (31) bolt is the V-arrangement work supporting block (27) that the horizontal state column part matches.
4. according to claim 1 or 3 described a kind of bolt automatic charging magnetic powder inspection lines; It is characterized in that: said electromagnetic type refers to that the set stranding material mouth (42) in folder (21), marker board (28) front, chain (8) go up fixing every group and carry V-arrangement work supporting block (27), float electrode (37), the camera (41) of bolt workpiece (31) to be 4-8; And the vertical center line of said each stranding material mouthful (42), V-arrangement work supporting block (27), float electrode (37), camera (41) all refers to that with electromagnetic type the vertical center line of folder (21) is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200037869U CN202453325U (en) | 2012-01-06 | 2012-01-06 | Automatic feeding magnetic powder flaw detection line for bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200037869U CN202453325U (en) | 2012-01-06 | 2012-01-06 | Automatic feeding magnetic powder flaw detection line for bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453325U true CN202453325U (en) | 2012-09-26 |
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ID=46869180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200037869U Expired - Fee Related CN202453325U (en) | 2012-01-06 | 2012-01-06 | Automatic feeding magnetic powder flaw detection line for bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453325U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424467A (en) * | 2013-07-18 | 2013-12-04 | 江苏赛福探伤设备制造有限公司 | Automatic magnetic flaw detection method and device for steel pipe |
| CN103698392A (en) * | 2013-12-09 | 2014-04-02 | 眉山南车紧固件科技有限公司 | Pull rivet resultant magnetization grouping flaw detection method and pull rivet resultant magnetization grouping flaw detection device |
| CN107128679A (en) * | 2017-06-22 | 2017-09-05 | 盐城东车科技有限公司 | Five station roller crack detectors |
| CN108406004A (en) * | 2018-06-06 | 2018-08-17 | 海盐光大标准件有限公司 | A kind of bolt facing attachment |
| CN108436426A (en) * | 2018-06-06 | 2018-08-24 | 海盐光大标准件有限公司 | A kind of bolt feeding device |
| CN108515033A (en) * | 2018-06-06 | 2018-09-11 | 海盐光大标准件有限公司 | A kind of bolt detection sorting unit |
-
2012
- 2012-01-06 CN CN2012200037869U patent/CN202453325U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424467A (en) * | 2013-07-18 | 2013-12-04 | 江苏赛福探伤设备制造有限公司 | Automatic magnetic flaw detection method and device for steel pipe |
| CN103424467B (en) * | 2013-07-18 | 2016-10-05 | 江苏赛福探伤设备制造有限公司 | A kind of steel pipe magnetic flaw detection automatic testing method and device |
| CN103698392A (en) * | 2013-12-09 | 2014-04-02 | 眉山南车紧固件科技有限公司 | Pull rivet resultant magnetization grouping flaw detection method and pull rivet resultant magnetization grouping flaw detection device |
| CN103698392B (en) * | 2013-12-09 | 2016-04-27 | 眉山南车紧固件科技有限公司 | Pulling rivet group magnetic group method of detection and device |
| CN107128679A (en) * | 2017-06-22 | 2017-09-05 | 盐城东车科技有限公司 | Five station roller crack detectors |
| CN108406004A (en) * | 2018-06-06 | 2018-08-17 | 海盐光大标准件有限公司 | A kind of bolt facing attachment |
| CN108436426A (en) * | 2018-06-06 | 2018-08-24 | 海盐光大标准件有限公司 | A kind of bolt feeding device |
| CN108515033A (en) * | 2018-06-06 | 2018-09-11 | 海盐光大标准件有限公司 | A kind of bolt detection sorting unit |
| CN108436426B (en) * | 2018-06-06 | 2023-12-01 | 海盐光大标准件股份有限公司 | Bolt loading attachment |
| CN108406004B (en) * | 2018-06-06 | 2024-01-16 | 海盐光大标准件有限公司 | Bolt chamfering device |
| CN108515033B (en) * | 2018-06-06 | 2024-03-08 | 海盐光大标准件股份有限公司 | Bolt detection sorting unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20200106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |