CN215656481U - Steel billet conveying and screening device - Google Patents
Steel billet conveying and screening device Download PDFInfo
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- CN215656481U CN215656481U CN202122387756.4U CN202122387756U CN215656481U CN 215656481 U CN215656481 U CN 215656481U CN 202122387756 U CN202122387756 U CN 202122387756U CN 215656481 U CN215656481 U CN 215656481U
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- conveying roller
- roll table
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000012216 screening Methods 0.000 title claims description 18
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 26
- 238000005452 bending Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a sieving mechanism is carried to steel billet especially relates to the field of steel production processing, and it is including setting up the support frame at furnace mouth department, be equipped with the conveying roll table on the support frame, the conveying roll table includes first conveying roll table and the second conveying roll table that links up from beginning to end, be provided with detection mechanism on the first conveying roll table, detection mechanism is including the first determine module that is used for detecting the steel billet position, the second determine module that is used for moving the promotion subassembly of steel billet and is used for detecting the steel billet straightness, and the equal electricity of three is connected with the controller, just the controller electricity is connected with the tilting mechanism that is used for overturning the steel billet and breaks away from first conveying roll table. The application has the effects of simplifying the operation process and reducing the manpower consumption.
Description
Technical Field
The application relates to the field of steel production and processing, in particular to a steel billet conveying and screening device.
Background
The steel billets are products obtained by casting molten steel smelted by a steel smelting furnace, and are easily unqualified due to problems of bending, torsion, surface defects and the like of the steel billets in the casting process, and the unqualified steel billets enter the subsequent process flow to cause adverse effect on the product quality, so that the unqualified steel billets need to be screened and removed.
Chinese patent No. CN205294209U discloses a steel billet removing device, which comprises an oil cylinder, a shift lever, a first connecting rod, a second connecting rod and a fixed hinge device, wherein the middle part of the shift lever is hinged on a workbench, the end part of the shift lever is hinged with one end of the first connecting rod, the other end of the first connecting rod is hinged with the second connecting rod, the middle part of the second connecting rod is hinged on the fixed hinge device, and the other end of the second connecting rod is hinged with a piston rod of the oil cylinder. The piston rod of the oil cylinder is pushed to enable the second connecting rod to rotate around the fixed hinging device, and the second connecting rod enables the first connecting rod to move towards the direction close to the oil cylinder, so that the first connecting rod drives the shifting rod to rotate upwards, and the steel billet on the shifting rod slides downwards to be separated from the shifting rod.
Aiming at the related technologies, the inventor considers that in the process of screening the unqualified steel billets, the manual work is needed to monitor at one side at any time, the steel billet removing device is started after the unqualified steel billets are seen, the unqualified steel billets are removed, the operation is complex, and the labor is consumed.
SUMMERY OF THE UTILITY MODEL
In order to simplify the operation process, reduce the manpower consumption, this application provides a screening device is carried to steel billet.
The application provides a steel billet conveying and screening device adopts following technical scheme:
the utility model provides a sieving mechanism is carried to steel billet, is including setting up the support frame at furnace mouth department, be equipped with the transfer roll table on the support frame, the transfer roll table includes first transfer roll table and the second transfer roll table of end to end linking, be provided with detection mechanism on the first transfer roll table, detection mechanism is including the first determine module that is used for detecting the steel billet position, the second determine module that is used for removing the promotion subassembly of steel billet and is used for detecting the steel billet straightness, and the equal electricity of three is connected with the controller, just the controller electricity is connected with the tilting mechanism that is used for overturning the steel billet and breaks away from first transfer roll table.
Through adopting above-mentioned technical scheme, the steel billet is carried on the transfer table through the fire door, and first transfer table stall of controller control behind the first determine module detection steel billet, and control promotion subassembly promotes the second determine module department with the steel billet simultaneously, detects unqualified steel billet through the second determine module, and controller control tilting mechanism breaks away from the transfer table with unqualified steel billet upset, need not the manual work and monitors on one side, and convenient operation uses manpower sparingly.
Optionally, the first detection assembly is arranged on one side of the first conveying roller way and located at one end, away from the furnace mouth, of the first conveying roller way, the first detection assembly comprises a first fixing plate fixedly connected to the support frame, and a first sensor is arranged on one side, facing the first conveying roller way, of the first fixing plate.
By adopting the technical scheme, the steel billet is conveyed to the first detection assembly through the first conveying roller way, the first detection assembly transmits a signal to the controller after detecting the steel billet, and the controller controls the first conveying roller way to stop rotating, so that the steel billet stops moving.
Optionally, the pushing assembly is located on one side of the first conveying roller way, the pushing assembly comprises a pushing plate connected with the support frame in a sliding mode, a first hydraulic cylinder is arranged on one side of the pushing plate, the first hydraulic cylinder is fixedly connected with the support frame, a connecting plate is fixedly connected to the lower end of the pushing plate, the connecting plate faces the first conveying roller way, a movable plate is fixedly connected to one end, far away from the pushing plate, of the connecting plate, and the height of the movable plate is higher than that of the steel billet.
Through adopting above-mentioned technical scheme, the telescopic link extension of the first pneumatic cylinder of controller control is stopped to remove simultaneously to the steel billet, makes the push pedal promote the steel billet, conveniently promotes the steel billet to second detecting component department and detects, and when the telescopic link of first pneumatic cylinder shortened, the movable plate promoted the steel billet to the middle of the first conveying roller way, makes things convenient for the steel billet to continue to move.
Optionally, a guide rod is arranged below the first hydraulic cylinder in parallel, one end of the guide rod is fixedly connected with the push plate, and the other end of the guide rod is connected with the support frame in a sliding manner.
Through adopting above-mentioned technical scheme, the telescopic link of first pneumatic cylinder removes along the guide bar, avoids the telescopic link to remove the in-process and takes place the skew.
Optionally, the second detection assembly is arranged on one side of the support frame away from the pushing assembly, the second detection assembly comprises a second fixing plate fixedly connected to the furnace mouth, a second sensor is arranged on one side of the second fixing plate away from the furnace mouth, a receiver is arranged at one end, away from the second sensor, of the first conveying roller way, and the receiver is opposite to the second sensor.
Through adopting above-mentioned technical scheme, the straightness of second detection component to the steel billet detects, and the receiver receives infrared signal then the steel billet detects qualifiedly, and the receiver can not receive infrared signal then the steel billet detects nonconforming.
Alternatively, the second sensor may be provided in a linear, gate or L shape.
Through adopting above-mentioned technical scheme, the second sensor of line type, door type or L type conveniently detects the adjacent both sides face of steel billet, and the accurate steel billet straightness that detects.
Optionally, the turnover mechanism is located on one side of the support frame far away from the pushing assembly, the turnover mechanism comprises a turnover plate, the middle of the turnover plate is hinged to the support frame, one end of the turnover plate faces the first conveying roller way, the other end of the turnover plate is fixedly connected with a connecting rod, one end, far away from the turnover plate, of the connecting rod is hinged to a second hydraulic cylinder, and the second hydraulic cylinder is hinged to the support frame.
By adopting the technical scheme, when the steel billet is unqualified in detection, the controller receives a signal to control the extension of the telescopic rod of the second hydraulic cylinder, and the connecting rod drives the turnover plate to turn over, so that the steel billet is separated from the conveying roller way.
Optionally, the first conveying roller way comprises a plurality of conveying rollers arranged in parallel, and one end of each conveying roller is provided with a motor for driving the conveying rollers to rotate.
Through adopting above-mentioned technical scheme, every transfer roller on the transfer table is controlled by independent motor, makes things convenient for the dismouting maintenance, and does not influence the processing progress.
Optionally, the second conveying roller way is the same as the first conveying roller way in structure, one end, far away from the first conveying roller way, of the second conveying roller way is bent towards one side to form a curve, the conveying roller is located at the inner side of the curve, one end of the conveying roller inclines downwards, and guard plates are arranged above two sides of the second conveying roller way.
Through adopting above-mentioned technical scheme, the flexion of second transfer table gives the centripetal force of steel billet, breaks away from the transfer table when preventing the steel billet from turning, and the backplate stops the steel billet and follows the landing on the transfer table.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the second detection assembly detects the straightness of the steel billet, automatically screens unqualified steel billets, simplifies the operation steps and reduces the labor consumption;
2. when the connecting plate and the moving plate connected with the push plate move along with the push plate in the direction far away from the turnover plate, the moving plate pushes qualified billets to the middle of the conveying roller way, so that the qualified billets automatically move in the direction far away from the furnace mouth, the operation steps are simplified, and the next billet detection is not influenced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic view of the turnover mechanism.
Description of reference numerals: 1. heating furnace; 11. a furnace mouth; 2. a support frame; 3. a conveying roller way; 31. a first conveying roller way; 32. a second conveying roller way; 33. a conveying roller; 34. a motor; 35. a guard plate; 4. a detection mechanism; 41. a first detection assembly; 411. a first fixing plate; 412. a first sensor; 42. a pushing assembly; 421. pushing the plate; 422. a first hydraulic cylinder; 423. a guide bar; 424. a connecting plate; 425. moving the plate; 43. a second detection assembly; 431. a second fixing plate; 432. a second sensor; 433. a third fixing plate; 434. a receiver; 5. a turnover mechanism; 51. a turnover plate; 52. a connecting rod; 53. a second hydraulic cylinder; 54. a receiving table; 55. and a baffle plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a steel billet conveying and screening device. Referring to fig. 1, the billet conveying and screening device comprises a support frame 2 fixedly connected to one side of a heating furnace 1, and a furnace mouth 11 is formed in one side of the heating furnace 1 facing the support frame 2. Be provided with transfer table 3 on support frame 2, transfer table 3 includes first transfer table 31 and second transfer table 32, is provided with a plurality of transfer rollers 33 on the first transfer table 31, and transfer roller 33 is parallel to each other and evenly sets up along the direction of delivery of first transfer table 31, and transfer roller 33 rotates with support frame 2 to be connected. One end of each conveying roller 33 on the first conveying roller way 31 is fixedly connected with a motor 34, and the motors 34 drive the conveying rollers 33 to rotate. The billet is heated to 1800 ℃ in the heating furnace 1 and then is output to the first conveying roller way 31 through the furnace mouth 11. The conveying roller 33 rotates to move the billet along the first conveying roller path 31 in a direction away from the furnace opening 11.
Be equipped with detection mechanism 4 that is used for detecting the steel billet straightness on first conveying roller 31, detection mechanism 4 is including setting up the first detection subassembly 41 of keeping away from fire door 11 one end in first conveying roller 31 one side, still including setting up between fire door 11 and first detection subassembly 41 and lie in the promotion subassembly 42 with one side with first detection subassembly 41, and set up and keep away from the second detection subassembly 43 that promotes subassembly 42 one side at first conveying roller 31, the three is the electricity simultaneously connected with the controller, the while controller still electricity is connected with tilting mechanism 5.
The first detecting unit 41 includes a first fixing plate 411 vertically fixed on the supporting frame 2, and a first sensor 411 is disposed on a side of the first fixing plate 411 facing the conveying roller 33. The billet moves to the first detection component 41 along the first conveying roller way 31, the first sensor 411 transmits a signal to the controller after detecting the billet, the controller controls the motor 34 to stop rotating after receiving the signal, so that the conveying rollers 33 in the first conveying roller way 31 stop rotating, the billet stops moving, and meanwhile the controller controls the pushing component 42 to push the billet to the second detection component 43.
The pushing assembly 42 comprises three pushing plates 421 slidably connected to the supporting frame 2, and the three pushing plates 421 are parallel to each other and located in the same vertical plane. The pushing assembly 42 further comprises a first hydraulic cylinder 422, the first hydraulic cylinder 422 is fixedly connected with the support frame 2, a telescopic rod of the first hydraulic cylinder 422 is fixedly connected with the push plate 421, and the telescopic rod extends to enable the push plate 421 to move towards the second detecting assembly 43. A guide rod 423 is arranged below the first hydraulic cylinder 42 in parallel, one end of the guide rod 423 is fixedly connected with the push plate 421, and the other end of the guide rod 423 is slidably connected with the support frame 2. The telescopic rod of the first hydraulic cylinder 422 moves along the guide rod 423, so that the position of the telescopic rod is prevented from being deviated in the moving process as much as possible.
After the first detecting assembly 41 detects the billet, the first sensor 411 transmits a signal to the controller, and the controller controls the extension of the telescopic rod of the first hydraulic cylinder 422 to move the push plate 421 towards the second detecting assembly 43.
Referring to fig. 1 and 2, the pushing assembly 42 pushes the steel slab between the second sensing assemblies 43, and the second sensing assemblies 43 sense the flatness of the steel slab. The second detection assembly 43 comprises a second fixing plate 431 vertically fixed on one side of the furnace mouth 11 far away from the pushing assembly 42, a second sensor 432 is arranged on one side of the second fixing plate 431 facing the conveying roller 33, the second sensor 432 is an infrared sensor and is in an L shape, and two adjacent side faces of the steel billet are detected simultaneously. One end of the first conveying roller 31 far away from the second sensor 423 is fixedly connected with a third fixing plate 433, one side of the third fixing plate 433 facing the second sensor 423 is provided with a receiver 434, and the receiver 434 is opposite to the second sensor 432. When the billet does not block the infrared ray of the second sensor 432, the receiver 434 receives the signal of the second sensor 432, and the billet is detected to be qualified. When the steel billet blocks the infrared ray of the second sensor 432, the receiver 434 does not receive the signal of the second sensor 432, and the steel billet detection is not qualified. The controller receives a signal that the billet detection is unqualified and controls the turnover mechanism 5 to turn over the unqualified billet to separate the unqualified billet from the first conveying roller path 31.
The second sensor 432 may be a linear type or a gate type, and may detect one side surface or a plurality of side surfaces of the billet, and the more side surfaces the more accurate the detection result.
The turnover mechanism 5 comprises a plurality of turnover plates 51, one ends of the turnover plates 51 are positioned between the two conveying rollers 33, and the middle parts of the turnover plates 51 are hinged with the support frame 2. The end of the turning plate 51 far away from the conveying roller 33 is fixedly connected with a connecting rod 52, one end of the connecting rod 52 far away from the turning plate 51 is provided with a second hydraulic cylinder 53, the connecting rod 52 is hinged with a telescopic rod of the second hydraulic cylinder 53, the second hydraulic cylinder 53 is hinged with the support frame 2, and meanwhile, the controller is electrically connected with the telescopic rod of the second hydraulic cylinder 53. When the billet steel is unqualified, the controller controls the telescopic rod of the second hydraulic cylinder 53 to extend, so that the connecting rod 52 drives the turnover plate 51 and the unqualified billet steel above the turnover plate 51 to turn upwards, and the unqualified billet steel is separated from the first conveying roller way.
One side of the support frame 2 far away from the push plate 421 is fixedly connected with a receiving table 54, and one end of the receiving table 54 far away from the support frame 2 is fixedly connected with a baffle 55. The reversing plate 51 reverses to move the defective billet onto the receiving table 54 to wait for rework, and the baffle 55 prevents the billet from sliding off the receiving table 54.
The billet which is detected to be unqualified is overturned by the overturning mechanism 5 to be separated from the first conveying roller way 31, and the billet which is detected to be qualified is pushed back to the middle of the first conveying roller way 31 by the pushing assembly 42, so that the conveying roller way 3 can continue to convey conveniently. The lower end of the push plate 421 close to the side of the turnover plate 51 is fixedly connected with a connecting plate 424, the connecting plate 424 is perpendicular to the push plate 421, a moving plate 425 is fixedly connected above one end of the connecting plate 424 far away from the push plate 421, and the moving plate 425 is parallel to the push plate 421. The billet detects qualified, and the telescopic link of first pneumatic cylinder 422 of controller control shortens, and the telescopic link drives push pedal 421 and removes to the direction of keeping away from returning face plate 51. The push plate 421 drives the connecting plate 424 and the moving plate 425 to move away from the reversing plate 51, and the moving plate 46 pushes the qualified billets to move the qualified billets to the middle position of the first conveying roller way 31. Meanwhile, the controller starts the motor 34 to rotate the conveying roller 33, and the qualified billets continue to move in the direction away from the furnace mouth 11.
The second conveying roller way 32 is arranged at one end, far away from the furnace mouth 11, of the first conveying roller way 31, one end, far away from the first conveying roller way 31, of the second conveying roller way 32 is bent towards one side, the conveying roller 33 corresponding to the bent part is gradually inclined downwards along the bending direction, protection plates 35 are arranged on two sides of the bent part, the protection plates 35 are fixedly connected with the supporting frame 2, and the protection plates 35 block the billets from sliding off the second conveying roller way 32.
The implementation principle of the billet conveying and screening device in the embodiment of the application is as follows: after the billet is heated in the heating furnace 1, the billet is conveyed to the first conveying roller way 31 through the furnace mouth 11, the first sensor 412 senses the billet, the controller controls the motor 34 to stop the conveying roller 33 and simultaneously controls the extension rod of the first hydraulic cylinder 423 to extend, so that the push plate 421 pushes the billet to the upper part of the turnover plate 51.
The second sensor 432 detects the bending degree of the billet, the receiver 434 receives the signal of the second sensor 432, the billet is qualified, the push plate 421 moves towards the direction far away from the turnover plate 51, meanwhile, the connecting plate 424 and the moving plate 425 push the qualified billet to the middle of the first conveying roller way 31, meanwhile, the controller starts the motor 34 to enable the conveying roller 33 to rotate, and the billet continues to move towards the direction far away from the furnace mouth 11.
The receiver 434 does not receive the signal of the second sensor 432, and then the billet is unqualified, the controller controls the extension of the telescopic rod of the second hydraulic cylinder 53, so that the connecting rod 52 drives the turnover plate 51 to rotate, and the unqualified billet is moved to the receiving platform 54 to be reworked.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a screening device is carried to steel billet, is including setting up support frame (2) in fire door (11) department, be equipped with conveying roller way (3) on support frame (2), its characterized in that: conveying roll table (3) are including first conveying roll table (31) and second conveying roll table (32) of end to end linking, be provided with detection mechanism (4) on first conveying roll table (31), detection mechanism (4) are including first detection subassembly (41) that are used for detecting the steel billet position, second detection subassembly (43) that are used for moving pushing assembly (42) of steel billet and are used for detecting the steel billet straightness, and the equal electricity of three is connected with the controller, just the controller electricity is connected with tilting mechanism (5) that are used for overturning the steel billet and break away from first conveying roll table (31).
2. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: first detection subassembly (41) set up in first conveying roll table (31) one side, and lie in first conveying roll table (31) and keep away from the one end of fire door (11), first detection subassembly (41) are including first fixed plate (411) of fixed connection on support frame (2), and one side that first fixed plate (411) orientation first conveying roll table (31) is provided with first sensor (412).
3. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: promote subassembly (42) and be located one side of first conveying roller way (31), promote subassembly (42) including push pedal (421) with support frame (2) sliding connection, push pedal (421) one side is provided with first pneumatic cylinder (422), first pneumatic cylinder (422) and push pedal (421) fixed connection, and first pneumatic cylinder (422) and support frame (2) fixed connection, push pedal (421) lower extreme fixedly connected with connecting plate (424), connecting plate (424) are towards first conveying roller way (31), and one end fixedly connected with movable plate (425) of push pedal (421) are kept away from in connecting plate (424), highly being higher than the steel billet of movable plate (425).
4. The apparatus for transporting and screening steel billets as claimed in claim 3, wherein: first pneumatic cylinder (422) below parallel arrangement have guide bar (423), guide bar (423) one end and push pedal (421) fixed connection, the other end and support frame (2) sliding connection.
5. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: the second detection assembly (43) is arranged on one side, far away from the pushing assembly (42), of the support frame (2), the second detection assembly (43) comprises a second fixing plate (431) fixedly connected to the position of the furnace opening (11), a second sensor (432) is arranged on one side, far away from the furnace opening (11), of the second fixing plate (431), a receiver (434) is arranged at one end, far away from the second sensor (432), of the first conveying roller way (31), and the receiver (434) is opposite to the second sensor (432).
6. The apparatus for transporting and screening steel billets as claimed in claim 5, wherein: the second sensor (432) may be configured in a linear, gate, or L-shape.
7. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: tilting mechanism (5) are located one side that promotes subassembly (42) is kept away from in support frame (2), tilting mechanism (5) include returning face plate (51), returning face plate (51) middle part is articulated with support frame (2), and returning face plate (51) one end is towards first conveying roll table (31), other end fixedly connected with connecting rod (52), the one end that returning face plate (51) were kept away from in connecting rod (52) articulates there is second pneumatic cylinder (53), second pneumatic cylinder (53) are articulated with support frame (2).
8. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: first conveying roll table (31) include a plurality of parallel arrangement's transfer roller (33), transfer roller (33) one end all is provided with drive transfer roller (33) pivoted motor (34).
9. The apparatus for conveying and screening steel billets as claimed in claim 1, wherein: second conveying roller way (32) are the same with first conveying roller way (31) structure, and the one end that first conveying roller way (31) was kept away from in second conveying roller way (32) is to one side bending and form the bend, conveying roller (33) are located the inboard one end downward sloping of bend, and second conveying roller way (32) both sides top is equipped with backplate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122387756.4U CN215656481U (en) | 2021-09-30 | 2021-09-30 | Steel billet conveying and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122387756.4U CN215656481U (en) | 2021-09-30 | 2021-09-30 | Steel billet conveying and screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215656481U true CN215656481U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122387756.4U Expired - Fee Related CN215656481U (en) | 2021-09-30 | 2021-09-30 | Steel billet conveying and screening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215656481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772176A (en) * | 2022-06-20 | 2022-07-22 | 深圳市中科联盛科技有限公司 | Security check machine with action recognition function |
| CN115097000A (en) * | 2022-06-22 | 2022-09-23 | 江苏至上检测科技有限公司 | Forging ultrasonic phased array detection device |
-
2021
- 2021-09-30 CN CN202122387756.4U patent/CN215656481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772176A (en) * | 2022-06-20 | 2022-07-22 | 深圳市中科联盛科技有限公司 | Security check machine with action recognition function |
| CN115097000A (en) * | 2022-06-22 | 2022-09-23 | 江苏至上检测科技有限公司 | Forging ultrasonic phased array detection device |
| CN115097000B (en) * | 2022-06-22 | 2025-07-11 | 江苏至上检测科技有限公司 | A forging ultrasonic phased array detection device |
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Granted publication date: 20220128 |