CN221631280U - Device for detecting front and back surfaces of shell - Google Patents
Device for detecting front and back surfaces of shell Download PDFInfo
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- CN221631280U CN221631280U CN202323281954.8U CN202323281954U CN221631280U CN 221631280 U CN221631280 U CN 221631280U CN 202323281954 U CN202323281954 U CN 202323281954U CN 221631280 U CN221631280 U CN 221631280U
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- 238000001514 detection method Methods 0.000 claims abstract description 113
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 238000012360 testing method Methods 0.000 claims description 45
- 238000012546 transfer Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of detection equipment, in particular to a device for detecting the front and back surfaces of a shell. The conveying mechanism disclosed by the utility model is used for conveying the shell on the positioning jig to the first detection mechanism, the front surface of the shell of the first detection mechanism is visually detected, the conveying mechanism is used for moving the shell with the front surface detected to the discharging end, the material taking mechanism is used for grabbing and transferring the shell with the front surface detected to the second detection mechanism, the second detection mechanism is used for visually detecting the back surface of the shell with the front surface detected, and the degree of automation is high, and the shell is not required to be overturned for multiple times by a turnover device, so that the detection efficiency of the square shell is improved, the secondary damage of the shell is prevented, and the yield of the shell is improved.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a device for detecting the front and back surfaces of a shell.
Background
For spare and accessory parts of some electronic products, the square or sheet shell front and back of assembly needs to be subjected to appearance detection after production is completed, the front and back detection mechanism of the existing shell needs to carry out back detection on the front and back of the shell through arranging a turnover device, the occupied space is large, the turnover action is complex, the turnover time is long, the detection efficiency is low, if the shell is transferred to another device after front detection is completed, secondary clamping detection is carried out, the detection effect is poor, the efficiency is low, the shell is scratched on the outer surface of the shell in the process of transferring or turning, secondary damage is caused to the shell, and the yield of the shell is reduced.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the device for detecting the front and back surfaces of the shell, which has high automation degree, does not need to be provided with a turnover device for overturning the shell for multiple times, prevents secondary damage of the shell, and improves the yield of the shell.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
A housing front and back detection device, comprising:
The conveying mechanism is provided with a positioning jig for loading the shell and is used for conveying the shell on the positioning jig;
The first detection mechanism is arranged above the conveying mechanism and is used for visually detecting the front surface of the shell on the positioning jig;
the material taking mechanism is arranged opposite to the conveying mechanism and is used for grabbing and transferring the shell on the positioning jig;
The second detection mechanism is arranged below the material taking mechanism and is used for visually detecting the reverse side of the shell grabbed by the material taking mechanism.
In one embodiment of the utility model, the conveying mechanism comprises a conveying frame, a conveying track is arranged on the conveying frame, conveying sliders are arranged on the conveying track, a conveying plate is arranged between the two conveying sliders, the positioning jig is arranged on the conveying plate, a conveying linear module is arranged on the conveying frame and is in driving connection with the conveying plate, and the conveying linear module drives the positioning jig on the conveying plate to reciprocate along the conveying track.
In one embodiment of the utility model, the positioning jig comprises a jig plate, a plurality of positioning blocks are arranged on the jig plate, positioning stations matched with the shell are formed by surrounding the positioning blocks, positioning holes are formed in the positioning stations, and vacuum chucks are arranged in the positioning holes.
In one embodiment of the utility model, the first detection mechanism comprises a detection frame, a driving component is arranged on the detection frame and is in driving connection with the detection frame, a camera component is arranged on the detection frame and comprises a protection cover, a camera frame and a light source frame, a detection camera is arranged on the camera frame, a detection light source is arranged on the light source frame, the detection camera is arranged above the positioning jig, the protection cover is arranged on the detection camera and the detection light source, and the driving component drives the detection camera on the detection frame to carry out shooting detection on the front surface of the shell on the positioning jig.
In one embodiment of the utility model, a strip-shaped groove is arranged on the camera frame, an adjusting hole matched with the strip-shaped groove is arranged on the detection support, the strip-shaped groove is connected with the adjusting hole through an adjusting bolt, a waist-shaped groove is arranged on the light source frame, an adjusting hole is arranged on the side face of the detection support, and the waist-shaped groove is connected with the adjusting hole through an adjusting bolt.
In one embodiment of the utility model, the driving assembly comprises a driving linear module and two driving plates, the two driving plates are arranged on the detection frame in parallel, a driving guide rail is arranged on the driving plates, a driving support plate is arranged on the driving guide rail in a sliding mode, the detection support is connected with the driving support plate, the driving linear module is arranged between the two driving plates, the driving linear module is in driving connection with the driving support plate, and the driving linear module drives the driving support plate to reciprocate along the driving guide rail.
In one embodiment of the utility model, the material taking mechanism comprises a moving assembly, the moving assembly is in driving connection with a material taking plate, a material taking grip is arranged on the material taking plate, the material taking grip comprises a material taking support plate, a material taking cylinder is arranged on the material taking support plate, a piston rod end of the material taking cylinder is connected with a material taking block, a suction head is arranged on the material taking block, a traceless suction cup is arranged on the suction head, the material taking cylinder drives the suction head on the material taking block to suck the front surface of a shell, and the suction head is driven by the moving assembly to transfer.
In one embodiment of the utility model, the moving assembly comprises two moving frames, two moving guide rails are arranged on the two moving frames in parallel, the material taking plate is arranged on the two moving guide rails in a sliding manner, a moving linear module is arranged on the moving frames and is in driving connection with the material taking plate, and the moving linear module drives the material taking plate to reciprocate along the moving guide rails.
In one embodiment of the utility model, the second detection mechanism comprises a test frame and a test linear module, the test linear module is arranged on the test frame, a test guide rail is arranged on the test frame, a test board is arranged on the test guide rail in a sliding manner, the test linear module is in driving connection with the test board, a shooting component is arranged on the test board, and the shooting component has the same structure as the camera component.
In one embodiment of the utility model, the number of the positioning jigs is 4, the 4 positioning jigs are sequentially arranged on the conveying plate, 2 camera components are arranged on the detection support, and 2 shooting components are arranged on the test plate.
The utility model has the beneficial effects that:
The conveying mechanism disclosed by the utility model is used for conveying the shell on the positioning jig to the first detection mechanism, the front surface of the shell of the first detection mechanism is visually detected, the conveying mechanism is used for moving the shell with the front surface detected to the discharging end, the material taking mechanism is used for grabbing and transferring the shell with the front surface detected to the second detection mechanism, the second detection mechanism is used for visually detecting the back surface of the shell with the front surface detected, and the degree of automation is high, and the shell is not required to be overturned for multiple times by a turnover device, so that the detection efficiency of the square shell is improved, the secondary damage of the shell is prevented, and the yield of the shell is improved.
Drawings
Fig. 1 is a schematic diagram of a device for detecting the front and back surfaces of a housing according to the present utility model.
Fig. 2 is a schematic diagram of a positioning fixture according to the present utility model.
Fig. 3 is a schematic view of a pick-up gripper of the present utility model.
Fig. 4 is a schematic view of the conveying mechanism of the present utility model.
Fig. 5 is a schematic view of a first detection mechanism of the present utility model.
The reference numerals in the figures illustrate: 1. a conveying mechanism; 11. a carriage; 12. a conveying rail; 13. a conveying plate; 14. a conveying straight line module; 2. positioning jig; 21. a jig plate; 22. a positioning block; 23. positioning a station; 24. a vacuum chuck; 3. a first detection mechanism; 31. a detection frame; 32. a driving plate; 33. a drive rail; 34. driving the support plate; 35. driving the linear module; 4. a camera component; 41. a protective cover; 42. a camera frame; 43. detecting a camera; 44. a light source frame; 45. detecting a light source; 46. a bar-shaped groove; 47. an adjustment aperture; 48. a waist-shaped groove; 49. an adjustment hole; 5. a material taking mechanism; 51. a moving rack; 52. moving the linear module; 53. a moving guide rail; 54. a material taking plate; 6. a material taking gripper; 61. a material taking support plate; 62. a material taking cylinder; 63. taking a material block; 64. a suction head; 65. a traceless suction cup; 7. a second detection mechanism; 71. a test rack; 72. testing the guide rail; 73. a test board; 74. testing the linear module; 75. shooting part.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 5, a housing front and back detection device includes:
the conveying mechanism 1 is provided with a positioning jig 2 for loading the shell, and the conveying mechanism 1 is used for conveying the shell on the positioning jig 2;
The first detection mechanism 3 is arranged above the conveying mechanism 1, and the first detection mechanism 3 is used for visually detecting the front surface of the shell on the positioning jig 2;
The material taking mechanism 5 is arranged opposite to the conveying mechanism 1, and the material taking mechanism 5 is used for grabbing and transferring the shell on the positioning jig 2;
The second detection mechanism 7 is arranged below the material taking mechanism 5, and the second detection mechanism 7 is used for visually detecting the reverse side of the shell grabbed by the material taking mechanism 5.
According to the utility model, the conveying mechanism 1 is used for conveying the shell on the positioning jig 2 to the first detection mechanism 3, the front surface of the shell of the first detection mechanism 3 is visually detected, the conveying mechanism 1 is used for moving the shell with the front surface detected to the discharging end, the material taking mechanism 5 is used for grabbing and transferring the shell with the front surface detected to the second detection mechanism 7, the second detection mechanism 7 is used for visually detecting the back surface of the shell with the front surface detected, and the automation degree is high, and a turnover device is not required to be arranged for overturning the shell for multiple times, so that the detection efficiency of the square shell is improved, the secondary damage of the shell is prevented, and the yield of the shell is improved.
In one embodiment of the present utility model, the conveying mechanism 1 includes a conveying frame 11, a conveying rail 12 is disposed on the conveying frame 11, conveying sliders are disposed on the conveying rail 12, a conveying plate 13 is disposed between the two conveying sliders, the positioning jig 2 is disposed on the conveying plate 13, a conveying linear module 14 is disposed on the conveying frame 11, the conveying linear module 14 is in driving connection with the conveying plate 13, and the conveying linear module 14 drives the positioning jig 2 on the conveying plate 13 to reciprocate along the conveying rail 12.
Specifically, the conveying linear module 14 drives the positioning jig 2 on the conveying plate 13 to move along the conveying track 12 to drive the shell on the positioning station 23 to move to the position below the first detection mechanism 3, so that the automatic degree is high, the flexibility is good, the efficiency is high, the cost is low, and the using effect is good.
In one embodiment of the present utility model, the positioning jig 2 includes a jig plate 21, a plurality of positioning blocks 22 are disposed on the jig plate 21, a positioning station 23 matched with the housing is formed by surrounding the plurality of positioning blocks 22, a positioning hole is disposed on the positioning station 23, and a vacuum chuck 24 is disposed on the positioning hole.
Specifically, place the casing on a plurality of locating pieces 22 enclose and establish and form positioning station 23, vacuum chuck 24 is connected with vacuum generating device, produces the negative pressure and adsorbs the back of casing on positioning station 23, effectively avoids the casing to take place the position offset in the transmission process, influences detection precision, and locating piece 22 can provide the location to the detection, conveniently detects the casing fast.
In one embodiment of the present utility model, the first detection mechanism 3 includes a detection frame 31, a driving component is disposed on the detection frame 31, the driving component is in driving connection with a detection support, a camera component 4 is disposed on the detection support, the camera component 4 includes a protection cover 41, a camera frame 42 and a light source frame 44, a detection camera 43 is disposed on the camera frame 42, a detection light source 45 is disposed on the light source frame 44, the detection camera 43 is disposed above the positioning fixture 2, the protection cover 41 is covered on the detection camera 43 and the detection light source 45, and the driving component drives the detection camera 43 on the detection support to perform shooting detection on the front surface of the housing on the positioning fixture 2.
Specifically, the driving linear module 35 drives the driving support plate 34 to move along the driving guide rail 33, so that the front surface of the shell is photographed and detected by the detecting camera 43 on the detecting support from top to bottom, the front surface of the shell is detected, the detection is performed in the transmission process of the shell, and the processing efficiency is improved.
In one embodiment of the present utility model, the camera frame 42 is provided with a bar-shaped groove 46, the detection frame is provided with an adjusting hole 47 matched with the bar-shaped groove 46, the bar-shaped groove 46 is connected with the adjusting hole 47 through an adjusting bolt, the light source frame 44 is provided with a waist-shaped groove 48, the side surface of the detection frame is provided with an adjusting hole 49, and the waist-shaped groove 48 is connected with the adjusting hole 49 through an adjusting bolt.
Specifically, the camera frame 42 is provided with a bar-shaped groove 46, the bar-shaped groove 46 is connected with the adjusting holes 47 through adjusting bolts, and is connected with different adjusting holes 47, so that the relative arrangement of the camera frame 42 on the detecting bracket is adjusted, and the shooting precision of the detecting camera 43 is ensured; the light source frame 44 is provided with a waist-shaped groove 48, and the waist-shaped groove 48 is connected with the adjusting hole 49 through an adjusting bolt, so that the relative arrangement of the light source frame 44 on the detection bracket is adjusted, and the lighting effect of the detection light source 45 is ensured.
In one embodiment of the present utility model, the driving assembly includes a driving linear module 35 and two driving boards 32, the two driving boards 32 are disposed on the detecting frame 31 in parallel, a driving rail 33 is disposed on the driving board 32, a driving support board 34 is slidably disposed on the driving rail 33, the detecting support is connected to the driving support board 34, the driving linear module 35 is disposed between the two driving boards 32, the driving linear module 35 is in driving connection with the driving support board 34, and the driving linear module 35 drives the driving support board 34 to reciprocate along the driving rail 33.
Specifically, the driving linear module 35 drives the driving support plate 34 to move along the driving guide rail 33, so that the detecting camera 43 on the detecting support shoots and detects the front surface of the shell from top to bottom, the shells on the positioning jig 2 are detected one by one, the detecting beat is accelerated, and the working efficiency is improved.
In one embodiment of the present utility model, the material taking mechanism 5 includes a moving assembly, the moving assembly is in driving connection with the material taking plate 54, the material taking plate 54 is provided with a material taking gripper 6, the material taking gripper 6 includes a material taking support plate 61, the material taking support plate 61 is provided with a material taking cylinder 62, a rod end of a piston rod of the material taking cylinder 62 is connected with a material taking block 63, the material taking block 63 is provided with a suction head 64, the suction head 64 is provided with a traceless suction cup 65, the material taking cylinder 62 drives the suction head 64 on the material taking block 63 to suck the front surface of the shell, and the material taking cylinder is driven by the moving assembly to transfer.
In one embodiment of the present utility model, the moving assembly includes two moving frames 51, two moving rails 53 are disposed on the two moving frames 51 in parallel, the material taking plate 54 is slidably disposed on the two moving rails 53, a moving linear module 52 is disposed on the moving frames 51, the moving linear module 52 is in driving connection with the material taking plate 54, and the moving linear module 52 drives the material taking plate 54 to reciprocate along the moving rails 53.
Specifically, the moving linear module 52 drives the material taking plate 54 to move along the moving guide rail 53 towards the moving blanking end, the material taking cylinder 62 drives the suction head 64 on the material taking block 63 to suck the front surface of the shell, the moving linear module 52 drives the grabbed shell to move to the second detection mechanism 7, the shell can be quickly grabbed, the working efficiency is high, material clamping cannot occur, collision friction between the shells can be reduced, and the quality of the shell is guaranteed.
In one embodiment of the present utility model, the second detecting mechanism 7 includes a test frame 71 and a test linear module 74, the test linear module 74 is disposed on the test frame 71, a test rail 72 is disposed on the test frame 71, a test board 73 is slidably disposed on the test rail 72, the test linear module 74 is in driving connection with the test board 73, a photographing component 75 is disposed on the test board 73, and the photographing component 75 has the same structure as the camera component 4.
Specifically, the moving linear module 52 drives the grabbed shell to move to the second detection mechanism 7, and the testing linear module 74 drives the shooting component 75 on the testing board 73 to move, so that the shooting component 75 shoots and detects the front surface of the shell from bottom to top, the detection of the back surface of the shell is completed, the detection is performed in the carrying process of the shell, the operation such as overturning is not needed, and the processing efficiency is improved.
In one embodiment of the present utility model, the number of the positioning jigs 2 is 4, the 4 positioning jigs 2 are sequentially disposed on the conveying board 13, the 2 camera components 4 are disposed on the detection support, and the 2 photographing components 75 are disposed on the test board 73.
Specifically, the number of the positioning jigs 2 is 4, a plurality of shell products can be placed at one time, 2 camera components 4 are arranged on the detection support and correspond to the two positioning jigs 2 for detection, the driving linear module 35 drives the driving support plate 34 to move, the detection is completed, the shells of the other two positioning jigs 2 are detected, the same reason is adopted, 2 shooting components 75 are arranged on the test plate 73, the detection is performed in a two-by-two detection mode, the detection beat is accelerated, the working efficiency is improved, and the growth cost is reduced.
The use process
The shell is placed on a plurality of positioning blocks 22 to form a positioning station 23 in a surrounding mode, a vacuum chuck 24 is connected with a vacuum generating device, negative pressure is generated to adsorb the back surface of the shell on the positioning station 23, a conveying linear module 14 drives a positioning jig 2 on a conveying plate 13 to move along a conveying track 12 so as to drive the shell on the positioning station 23 to move below a first detection mechanism 3, a driving linear module 35 drives a driving support plate 34 to move along a driving guide rail 33, a detection camera 43 on the detection support performs shooting detection on the front surface of the shell from top to bottom, after the front surface detection of the shell is completed, the conveying linear module 14 drives the shell on the conveying plate 13 to move to a blanking end, a moving linear module 52 drives a material taking plate 54 to move along a moving guide rail 53 towards the blanking end, a material taking cylinder 62 drives a suction head 64 on the material taking block 63 to absorb the front surface of the shell, the moving linear module 52 drives the grabbed shell to move to a second detection mechanism 7, and a test linear module 74 drives a shooting part 75 on the test plate 73 to move so that the shooting part 75 performs shooting detection on the front surface of the shell from bottom to top to the front surface of the shell, and the front surface detection of the shell is completed.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides a casing positive reverse side detection device which characterized in that includes:
The conveying mechanism is provided with a positioning jig for loading the shell and is used for conveying the shell on the positioning jig;
The first detection mechanism is arranged above the conveying mechanism and is used for visually detecting the front surface of the shell on the positioning jig;
the material taking mechanism is arranged opposite to the conveying mechanism and is used for grabbing and transferring the shell on the positioning jig;
The second detection mechanism is arranged below the material taking mechanism and is used for visually detecting the reverse side of the shell grabbed by the material taking mechanism.
2. The device for detecting the front and back surfaces of a shell according to claim 1, wherein the conveying mechanism comprises a conveying frame, a conveying rail is arranged on the conveying frame, conveying sliders are arranged on the conveying rail, a conveying plate is arranged between the two conveying sliders, the positioning jig is arranged on the conveying plate, a conveying linear module is arranged on the conveying frame and is in driving connection with the conveying plate, and the conveying linear module drives the positioning jig on the conveying plate to reciprocate along the conveying rail.
3. The device for detecting the front and back surfaces of a shell according to claim 1, wherein the positioning jig comprises a jig plate, a plurality of positioning blocks are arranged on the jig plate, a positioning station matched with the shell is formed by surrounding the positioning blocks, a positioning hole is formed in the positioning station, and a vacuum chuck is arranged in the positioning hole.
4. The device for detecting the front and back surfaces of a shell according to claim 2, wherein the first detection mechanism comprises a detection frame, a driving assembly is arranged on the detection frame and is in driving connection with the detection frame, a camera component is arranged on the detection frame and comprises a protection cover, a camera frame and a light source frame, a detection camera is arranged on the camera frame, a detection light source is arranged on the light source frame, the detection camera is arranged above the positioning jig, the protection cover is arranged on the detection camera and the detection light source, and the driving assembly drives the detection camera on the detection frame to shoot and detect the front surface of the shell on the positioning jig.
5. The device for detecting the front and back surfaces of a shell according to claim 4, wherein a strip-shaped groove is formed in the camera frame, an adjusting hole matched with the strip-shaped groove is formed in the detection support, the strip-shaped groove is connected with the adjusting hole through an adjusting bolt, a waist-shaped groove is formed in the light source frame, an adjusting hole is formed in the side face of the detection support, and the waist-shaped groove is connected with the adjusting hole through an adjusting bolt.
6. The device for detecting the front and back surfaces of a shell according to claim 4, wherein the driving assembly comprises a driving linear module and two driving plates, the two driving plates are arranged on the detecting frame in parallel, a driving guide rail is arranged on the driving plates, a driving support plate is arranged on the driving guide rail in a sliding mode, the detecting support is connected with the driving support plate, the driving linear module is arranged between the two driving plates, the driving linear module is in driving connection with the driving support plate, and the driving linear module drives the driving support plate to reciprocate along the driving guide rail.
7. The device for detecting the front and back surfaces of a shell according to claim 1, wherein the material taking mechanism comprises a moving assembly, the moving assembly is in driving connection with a material taking plate, a material taking grip is arranged on the material taking plate, the material taking grip comprises a material taking support plate, a material taking cylinder is arranged on the material taking support plate, a rod end of a piston rod of the material taking cylinder is connected with a material taking block, a suction head is arranged on the material taking block, a traceless suction disc is arranged on the suction head, the suction head on the material taking block is driven by the material taking cylinder to suck the front surface of the shell, and the material taking cylinder is driven by the moving assembly to transfer.
8. The device for detecting the front and back surfaces of a shell according to claim 7, wherein the moving assembly comprises two moving frames, two moving guide rails are arranged on the two moving frames in parallel, the material taking plate is arranged on the two moving guide rails in a sliding mode, a moving linear module is arranged on the moving frames and is in driving connection with the material taking plate, and the moving linear module drives the material taking plate to reciprocate along the moving guide rails.
9. The device for detecting the front and back surfaces of a shell according to claim 4, wherein the second detecting mechanism comprises a test frame and a test linear module, the test linear module is arranged on the test frame, a test guide rail is arranged on the test frame, a test board is arranged on the test guide rail in a sliding mode, the test linear module is in driving connection with the test board, a shooting component is arranged on the test board, and the shooting component has the same structure as the camera component.
10. The device for detecting the front and back surfaces of a shell according to claim 9, wherein the number of the positioning jigs is 4, the 4 positioning jigs are sequentially arranged on the conveying plate, 2 camera components are arranged on the detection support, and 2 shooting components are arranged on the test plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323281954.8U CN221631280U (en) | 2023-12-04 | 2023-12-04 | Device for detecting front and back surfaces of shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323281954.8U CN221631280U (en) | 2023-12-04 | 2023-12-04 | Device for detecting front and back surfaces of shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221631280U true CN221631280U (en) | 2024-08-30 |
Family
ID=92482477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323281954.8U Active CN221631280U (en) | 2023-12-04 | 2023-12-04 | Device for detecting front and back surfaces of shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221631280U (en) |
-
2023
- 2023-12-04 CN CN202323281954.8U patent/CN221631280U/en active Active
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