CN209979509U - Burr detection machine - Google Patents
Burr detection machine Download PDFInfo
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- CN209979509U CN209979509U CN201821721025.0U CN201821721025U CN209979509U CN 209979509 U CN209979509 U CN 209979509U CN 201821721025 U CN201821721025 U CN 201821721025U CN 209979509 U CN209979509 U CN 209979509U
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Abstract
The utility model discloses a burr detects machine, including examining test table, carrying positioning mechanism, detecting anchor clamps, visual detection mechanism and light projecting mechanism, carry positioning mechanism to locate and examine test table, detect anchor clamps and carry positioning mechanism to be connected, detect anchor clamps and be used for fixed product, visual detection mechanism is separated by with detecting anchor clamps, and light projecting mechanism is located the outside that detects anchor clamps, and light projecting mechanism is used for projecting light on the slice material. The utility model discloses can improve detection efficiency, avoid appearing the phenomenon of lou examining, be favorable to improving the precision that detects.
Description
Technical Field
The utility model relates to a product detection technology especially relates to a burr detects machine.
Background
In the field of product processing, it is necessary to check whether burrs are present on the periphery of a cut sheet material.
If the length of the burrs exceeds half of the diaphragm, the diaphragm can be punctured to form a short circuit between the positive electrode and the negative electrode, and battery safety accidents are caused.
Therefore, the length of the burr must be strictly controlled in the production process, and the existing detection method detects the burr by means of manual observation and hand touch, and the method has the defects of low efficiency and easiness in missed detection.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a burr detects machine for to the detection of burr on the slice material, can improve detection efficiency, avoid appearing the phenomenon of lou examining, be favorable to improving the precision that detects.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a burr detects machine, is including examining test table, transport positioning mechanism, detection anchor clamps, visual detection mechanism and light projecting mechanism, it locates to examine test table to carry positioning mechanism, it is connected with transport positioning mechanism to detect anchor clamps, it is used for fixed slice material to detect anchor clamps, visual detection mechanism is separated by with detecting anchor clamps, light projecting mechanism is located the outside that detects anchor clamps, light projecting mechanism is used for projecting light on the slice material.
Furthermore, the detection platform comprises a supporting plate and a side plate, the side plate is located on one side of the supporting plate and fixedly connected with the supporting plate, the conveying and positioning mechanism is installed on the supporting plate, and the visual detection mechanism is arranged on the side plate.
Further, visual inspection mechanism includes main camera and supplementary camera, main camera and supplementary camera are connected, main camera is located the upside that detects anchor clamps, supplementary camera is located one side that detects anchor clamps, supplementary camera and curb plate rigid coupling, main camera passes through adjusting device and is connected with the curb plate, adjusting device is used for adjusting the distance between main camera and the backup pad.
Further, the conveying and positioning mechanism comprises an X-axis guide rail, a conveying mechanism, a connecting seat, a Y-axis guide rail, a lifting adjusting mechanism, a Z-axis guide rail, a horizontal adjusting mechanism and a mounting seat, the X-axis guide rail is fixed on the supporting plate, the X-axis guide rail is positioned at the lower side of the main camera, the connecting seat is connected with the X-axis guide rail in a sliding manner, the connecting seat is connected with the conveying mechanism through lead screw transmission, so that the connecting seat moves towards or away from the main camera, the Y-axis guide rail is fixed at the other end of the connecting seat, the lifting adjusting mechanism is connected with the Y-axis guide rail in a sliding manner, the lifting adjusting mechanism is connected with the horizontal adjusting mechanism through lead screw transmission, the lifting adjusting mechanism is used for enabling the horizontal adjusting mechanism to move along the vertical direction of the detection table, the Z-axis guide rail is fixed on the lifting adjusting, the mounting seat is in transmission connection with the horizontal adjusting mechanism through a lead screw, the horizontal adjusting mechanism is used for enabling the mounting seat to move along the horizontal plane direction of the detection platform, and the detection clamp is arranged on the mounting seat.
Furthermore, the central axis of the X-axis guide rail is perpendicular to the central axis of the Y-axis guide rail, the central axis of the Z-axis guide rail is perpendicular to the central axis of the X-axis guide rail, and the central axis of the Z-axis guide rail is perpendicular to the central axis of the Y-axis guide rail.
Further, detect anchor clamps and include solid fixed splint, movable clamp plate and tight cylinder of clamp, gu fixed splint fixes on the mount pad, movable clamp plate with gu fixed splint sets up relatively, it is located the mount pad to press from both sides tight cylinder, it is connected with movable clamp plate through the transfer line to press from both sides tight cylinder and is used for the drive it is relative to move solid fixed splint move on the mount pad, be used for adjusting movable clamp plate with the interval distance between the solid fixed splint, gu fixed splint with one of movable clamp plate is equipped with the locating convex block, and another of these two is equipped with positioning groove, locating convex block and positioning groove lock, the horizontal plane at positioning groove place is parallel with the horizontal plane at X axle guide rail place.
Further, the fixed clamping plate and the movable clamping plate are respectively made of light-transmitting materials in an integrated mode.
Further, the light projecting mechanism comprises an upper light source, a side light source, a bottom light source and a coaxial light source, the upper light source is positioned at the outer side of the main camera and fixedly connected with the main camera, the upper light source is used for corresponding to the upper part of the sheet material, the side light source is arranged opposite to the auxiliary camera, the plane of the side light source is parallel to the plane of the positioning groove, the side light source is fixedly connected with the supporting plate, the side light source is used for corresponding to the side position of the sheet material, the mounting seat is provided with a mounting groove, the bottom light source is positioned in the mounting groove, so that the bottom light source is positioned between the fixed clamping plate and the mounting seat, the bottom light source is used for corresponding to the bottom position of the sheet material, the coaxial light source is connected with the main camera and comprises a point light source, and the point light source is connected with a lens of the main camera.
Further, detect anchor clamps and be used for fixed pole piece or utmost point ear, light projecting mechanism is used for projecting light on pole piece or utmost point ear, light projecting mechanism includes upper portion light source, lateral part light source and bottom light source, the upper portion light source is used for corresponding with the upper portion position of pole piece or utmost point ear, the lateral part light source is used for corresponding with the lateral part position of pole piece or utmost point ear, the bottom light source is used for corresponding with the bottom position of pole piece or utmost point ear.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the burr detection machine can improve detection efficiency, avoids the phenomenon of missed detection, and is favorable for improving detection accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a conveying positioning mechanism;
FIG. 3 is a partially exploded view of the transport positioning mechanism;
FIG. 4 is an exploded view of the inspection fixture;
in the figure: 1. a tab; 2. a detection table; 3. detecting the clamp; 4. a support plate; 5. a side plate; 6. a main camera; 7. an auxiliary camera; 8. an adjustment device; 9. an X-axis guide rail; 10. a conveying mechanism; 11. a connecting seat; 12. A Y-axis guide rail; 13. a lifting adjusting mechanism; 14. a Z-axis guide rail; 15. a horizontal adjustment mechanism; 16. a mounting seat; 17. fixing the clamping plate; 18. moving the clamping plate; 19. clamping the cylinder; 20. positioning the bump; 21. a positioning groove; 22. an upper light source; 23. a side light source; 24. mounting grooves; 25. a point light source; 26. a slide block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The burr detection machine shown in fig. 1-4 comprises a detection table 2, a conveying and positioning mechanism, a detection clamp 3, a visual detection mechanism and a light projecting mechanism, wherein the conveying and positioning mechanism is arranged on the detection table 2, the detection clamp 3 is connected with the conveying and positioning mechanism, the detection clamp 3 is used for fixing sheet materials, the visual detection mechanism is separated from the detection clamp 3, the light projecting mechanism is positioned on the outer side of the detection clamp 3, and the light projecting mechanism is used for projecting light rays onto the sheet materials. Utilize to carry positioning mechanism to adjust the position that detects anchor clamps 3 for visual detection mechanism, adjusted the corresponding visual detection mechanism's of slice material position promptly, be equipped with light projector mechanism again further, the light receives the interference when avoiding detecting, makes the camera can effectively shoot the slice material for can effectively detect the burr on the slice material, improve the precision that detects.
In addition, this burr detects machine can also include the casing, is fixed in on the casing through making to examine platform 2, examines that platform 2 is fixed in the open holding intracavity of casing promptly, can fix and protect examining platform 2.
Specifically, examine test table 2 and include backup pad 4 and curb plate 5, curb plate 5 is located one side of backup pad 4, curb plate 5 and backup pad 4 fixed connection, and carry positioning mechanism to install on backup pad 4, and visual detection mechanism locates on curb plate 5.
As a preferred embodiment in this embodiment, the visual inspection mechanism includes a main camera 6 and an auxiliary camera 7, the main camera 6 is connected to the auxiliary camera 7, the main camera 6 is located on the upper side of the inspection jig 3, the auxiliary camera 7 is located on one side of the inspection jig 3, the auxiliary camera 7 is fixedly connected to the side plate 5, the main camera 6 is connected to the side plate 5 through an adjusting device 8, and the adjusting device 8 is used for adjusting the distance between the main camera 6 and the support plate 4.
It should be noted that the conveying and positioning mechanism includes an X-axis guide rail 9, a conveying mechanism 10, a connecting seat 11, a Y-axis guide rail 12, a lifting and adjusting mechanism 13, a Z-axis guide rail 14, a horizontal adjusting mechanism 15 and a mounting seat 16, the X-axis guide rail 9 is fixed on the support plate 4, the X-axis guide rail 9 is located at the lower side of the main camera 6, the connecting seat 11 and the X-axis guide rail 9 are slidably connected through a slider 26, the connecting seat 11 and the conveying mechanism 10 are connected through a screw rod transmission, so that the connecting seat 11 moves towards or away from the main camera 6, the Y-axis guide rail 12 is fixed at the other end of the connecting seat 11, the lifting and adjusting mechanism 13 is slidably connected with the Y-axis guide rail 12, the lifting and adjusting mechanism 13 is connected through a screw rod transmission, the lifting and adjusting mechanism 13 is used for moving the horizontal adjusting mechanism 15 along the vertical direction of the detection, the horizontal adjusting mechanism 15 is connected with the Z-axis guide rail 14 in a sliding mode, the mounting base 16 is connected with the horizontal adjusting mechanism 15 through a lead screw in a transmission mode, the horizontal adjusting mechanism 15 is used for enabling the mounting base 16 to move along the horizontal plane direction of the detection table 2, and the detection clamp 3 is arranged on the mounting base 16. In the present embodiment, the conveying mechanism 10, the elevation adjustment mechanism 13, and the horizontal adjustment mechanism 15 may be driven by a motor or a cylinder.
It should be noted that, as shown in fig. 2, the central axis of the X-axis guide rail 9 is perpendicular to the central axis of the Y-axis guide rail 12, the central axis of the Z-axis guide rail 14 is perpendicular to the central axis of the X-axis guide rail 9, and the central axis of the Z-axis guide rail 14 is perpendicular to the central axis of the Y-axis guide rail 12, so that the X-axis guide rail 9, the Y-axis guide rail 12, and the Z-axis guide rail 14 in this embodiment are respectively arranged in the X-axis direction, the Y-axis direction, and the Z-axis direction of the space cartesian rectangular coordinate system. Therefore, the conveying and positioning mechanism can be used for adjusting the position of the sheet material in the X-axis direction, the Y-axis direction and the Z-axis direction, namely, the detection position of the sheet material is subjected to multi-dimensional adjustment, so that the positioning precision is improved, the visual detection mechanism can effectively shoot the sheet material, burrs on the sheet material can be effectively detected, and the detection precision is improved.
It should be emphasized that the detection clamp 3 comprises a fixed clamp plate 17, a movable clamp plate 18 and a clamping cylinder 19, the fixed clamp plate 17 is fixed on the installation seat 16, the movable clamp plate 18 is arranged opposite to the fixed clamp plate 17, the clamping cylinder 19 is arranged on the installation seat 16, the clamping cylinder 19 is connected with the movable clamp plate 18 through a transmission rod, the clamping cylinder 19 is used for driving the movable clamp plate 18 to move on the installation seat 16 relative to the fixed clamp plate 17 and used for adjusting the spacing distance between the movable clamp plate 18 and the fixed clamp plate 17, one of the fixed clamp plate 17 and the movable clamp plate 18 is provided with a positioning lug 20, the other of the fixed clamp plate 17 and the movable clamp plate 18 is provided with a positioning groove 21, and the positioning lug 20. In addition, the horizontal plane where the positioning groove 21 is located is parallel to the horizontal plane where the X-axis guide rail 9 is located, so that the flaky materials placed in the positioning groove 21 can be kept parallel to the X-axis direction in the detection process, and the detection accuracy is improved.
In a more preferred embodiment, the fixed clamp 17 and the movable clamp 18 are integrally formed of a light-transmitting material. Preferably, fixed splint 17 and removal splint 18 are respectively by transparent material integrated into one piece, are favorable to making light projector constructs with light projection on the slice material, make light can effectively pass through fixed splint 17 and removal splint 18, help improving the rate of passage of light to do benefit to the precision that improves the detection.
More specifically, the light projecting mechanism comprises an upper light source 22, a side light source 23, a bottom light source and a coaxial light source, wherein the upper light source 22 is positioned outside the main camera 6, the upper light source 22 is fixedly connected with the main camera 6, the upper light source 22 is used for corresponding to the upper position of the sheet material, the side light source 23 is arranged opposite to the auxiliary camera 7, the plane of the side light source 23 is parallel to the plane of the positioning groove 21, the side light source 23 is fixedly connected with the supporting plate 4, the side light source 23 is used for corresponding to the side position of the sheet material, the mounting seat 16 is provided with a mounting groove 24, the bottom light source is positioned in the mounting groove 24, the bottom light source is positioned between the fixed clamping plate 17 and the mounting seat 16 and used for corresponding to the bottom position of the sheet material, the coaxial light source is connected with the main camera 6 and comprises a point light source 25, and the point light source 25 is connected with a lens of the main camera 6.
In this embodiment, through being equipped with upper portion light source 22, lateral part light source 23 and bottom light source, make above-mentioned light source respectively with the upper portion of slice material, the lateral part, the bottom position corresponds, and the plane at lateral part light source 23 place is parallel with the plane at positioning groove 21 place, even the slice material in positioning groove 21 is parallel with the light emitting area of lateral part light source 23, make the parallel backlight of slice material, the profile that makes the slice material can be clear to image in supplementary camera 7, make upper portion light source 22, the light that lateral part light source 23 and bottom light source sent can effectively be beaten the pole piece, beat light to the pole piece in a plurality of directions, be favorable to improving the precision that detects. The point light source 25 is connected to the lens of the main camera 6. The light that this pointolite 25 sent shines into the unthreaded hole of dominant camera 6 through the printing opacity mirror of dominant camera 6, light is jetted out from the unthreaded hole and is beaten on the pole piece, the detection face on the pole piece carries out point type and beats light, guarantee that the position definition that detects is highest, then from the perpendicular upward camera lens that gets into dominant camera 6 of light that detects the reflection of surface, the reflection of light has both been eliminated like this, can avoid producing the reflection of shadow of camera lens in the image that takes shape again, the accuracy and the reproducibility of vision have been improved, help improving the precision that detects. Preferably, as shown in fig. 1, the upper light source 22 is a ring-shaped light source, and the upper light source 22 is arranged around the circumferential direction of the main camera 6, which helps to improve the brightness of the upper detection surface of the sheet material.
As shown in fig. 1-4, the detecting fixture 3 is used to fix the pole piece or the tab 1, the light projecting mechanism is used to project light onto the pole piece or the tab 1, the light projecting mechanism includes an upper light source 22, a side light source 23, and a bottom light source, the upper light source 22 is used to correspond to the upper position of the pole piece or the tab 1, the side light source 23 is used to correspond to the side position of the pole piece or the tab 1, and the bottom light source is used to correspond to the bottom position of the pole piece or the tab 1.
As shown in fig. 1-4, the burr detecting machine detects by the following steps:
step one, a product to be detected is placed in the positioning groove 21, and the product referred to in this embodiment may be a pole piece or a tab 1, or may be other sheet materials. The clamping cylinder 19 drives the movable clamping plate 18 to move towards the direction close to the fixed clamping plate 17, one of the fixed clamping plate 17 and the movable clamping plate 18 is provided with a positioning lug 20, and the other of the fixed clamping plate 17 and the movable clamping plate 18 is provided with a positioning groove 21, so that the positioning lug 20 and the positioning groove 21 are buckled, and a product is fixed on the detection clamp 3;
step two, the conveying mechanism 10 drives the connecting seat 11 to move on the X-axis guide rail 9 in a direction close to the main camera 6, the connecting seat 11 drives the Y-axis guide rail 12 to move synchronously, the lifting adjusting mechanism 13 drives the horizontal adjusting mechanism 15 to move along the Y-axis guide rail 12, the horizontal adjusting mechanism 15 drives the Z-axis guide rail 14 to move synchronously, the horizontal adjusting mechanism 15 drives the mounting seat 16 to move along the Z-axis guide rail 14, the mounting seat 16 drives the detection clamp 3 to move synchronously, the detection clamp 3 drives the product to move below the main camera 6, namely, the product moves below the main camera 6, the upper light source 22, the side light source 23 and the bottom light source work to project light to the upper part, the side part and the bottom part of the product, the point light source 25 emits light from the lens of the main camera 6 and then projects the light to the product, point type lighting is performed on the detection surface of the product, the light of the point light source 25 projects the light to the detection surface of the product as a, the auxiliary camera 7 collects images of detection points, the conveying and positioning mechanism continuously adjusts the position of a product to enable the detection points to correspond to the position of the central point of the lens of the auxiliary camera 7, when the detection points correspond to the position of the central point of the lens of the auxiliary camera 7, the auxiliary camera 7 feeds information back to the main camera 6, the main camera 6 shoots the detection points to detect whether the lengths of burrs on the detection points exceed the standard or not, if the lengths of the burrs on the detection points exceed the standard, the product is unqualified, otherwise, the lengths of the burrs on the detection points are qualified, and execution is performed
And step three.
And step three, the conveying mechanism 10 drives the connecting seat 11 to move along the positive direction of the X axis, so that the detection point moves to the right side of the next detection point, and the step two is executed.
In specific implementation, when the burr length on a detection point is detected to be more than or equal to 7 microns, the burr length exceeds the standard, a product is unqualified, otherwise, the detection point is qualified, and the next detection point is detected. According to the detection method of the burr detection machine, detection points on a detection surface of a product are sequentially detected in the moving process of the product along the X-axis guide rail 9, so that the detection efficiency can be improved, the phenomenon of missed detection is avoided, and the detection accuracy is improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. The utility model provides a burr detects machine which characterized in that: including examining test table, carrying positioning mechanism, detecting anchor clamps, visual detection mechanism and light projecting mechanism, carry positioning mechanism to locate and examine test table, it is connected with carrying positioning mechanism to detect anchor clamps, it is used for fixed slice material to detect anchor clamps, visual detection mechanism is separated by with detecting anchor clamps, light projecting mechanism is located the outside that detects anchor clamps, light projecting mechanism is used for projecting light on the slice material.
2. The burr detector of claim 1, wherein: the detection table comprises a supporting plate and a side plate, the side plate is located on one side of the supporting plate and fixedly connected with the supporting plate, the conveying and positioning mechanism is installed on the supporting plate, and the visual detection mechanism is arranged on the side plate.
3. The burr detector of claim 2, wherein: the visual inspection mechanism comprises a main camera and an auxiliary camera, the main camera is connected with the auxiliary camera, the main camera is located on the upper side of the inspection fixture, the auxiliary camera is located on one side of the inspection fixture, the auxiliary camera is fixedly connected with the side plate, the main camera is connected with the side plate through an adjusting device, and the adjusting device is used for adjusting the distance between the main camera and the supporting plate.
4. The burr detector of claim 3, wherein: the conveying and positioning mechanism comprises an X-axis guide rail, a conveying mechanism, a connecting seat, a Y-axis guide rail, a lifting adjusting mechanism, a Z-axis guide rail, a horizontal adjusting mechanism and a mounting seat, the X-axis guide rail is fixed on a supporting plate, the X-axis guide rail is positioned at the lower side of the main camera, the connecting seat is connected with the X-axis guide rail in a sliding manner, the connecting seat is connected with the conveying mechanism through lead screw transmission, so that the connecting seat moves towards the direction close to or away from the main camera, the Y-axis guide rail is fixed at the other end of the connecting seat, the lifting adjusting mechanism is connected with the Y-axis guide rail in a sliding manner, the lifting adjusting mechanism is connected with the horizontal adjusting mechanism through lead screw transmission, the lifting adjusting mechanism is used for enabling the horizontal adjusting mechanism to move along the vertical direction of the detection table, the Z-axis guide rail, the mounting seat is in transmission connection with the horizontal adjusting mechanism through a lead screw, the horizontal adjusting mechanism is used for enabling the mounting seat to move along the horizontal plane direction of the detection platform, and the detection clamp is arranged on the mounting seat.
5. The burr detector of claim 4, wherein: the central axis of the X-axis guide rail is perpendicular to the central axis of the Y-axis guide rail, the central axis of the Z-axis guide rail is perpendicular to the central axis of the X-axis guide rail, and the central axis of the Z-axis guide rail is perpendicular to the central axis of the Y-axis guide rail.
6. The burr detector of claim 5, wherein: the detection fixture comprises a fixed clamp plate, a movable clamp plate and a clamping cylinder, wherein the fixed clamp plate is fixed on the mounting seat, the movable clamp plate and the fixed clamp plate are arranged oppositely, the clamping cylinder is located on the mounting seat, the clamping cylinder is connected with the movable clamp plate through a transmission rod, the clamping cylinder is used for driving the movable clamp plate to move oppositely on the mounting seat, the movable clamp plate is used for adjusting the spacing distance between the movable clamp plate and the fixed clamp plate, one of the fixed clamp plate and the movable clamp plate is provided with a positioning lug, the other of the fixed clamp plate and the movable clamp plate is provided with a positioning groove, the positioning lug is buckled with the positioning groove, and the horizontal plane where the positioning groove is located is parallel to the horizontal plane where the X-axis guide rail is located.
7. The burr detector of claim 6, wherein: the fixed splint and the movable splint are respectively made of transparent materials and are integrally formed.
8. The burr detector of claim 7, wherein: the light projecting mechanism comprises an upper light source, a side light source, a bottom light source and a coaxial light source, the upper light source is positioned at the outer side of the main camera, the upper light source is fixedly connected with the main camera, the upper light source is used for corresponding to the upper position of the sheet material, the side light source is arranged opposite to the auxiliary camera, the plane of the side light source is parallel to the plane of the positioning groove, the side light source is fixedly connected with the supporting plate, the side light source is used for corresponding to the side position of the sheet material, the mounting seat is provided with a mounting groove, the bottom light source is positioned in the mounting groove, so that the bottom light source is positioned between the fixed clamping plate and the mounting seat, the bottom light source is used for corresponding to the bottom position of the sheet material, the coaxial light source is connected with the main camera and comprises a point light source, and the point light source is connected with a lens of the main camera.
9. The burr detector of any of claims 1-8, wherein: the utility model provides a light projector, including light projector, detection anchor clamps, light projector, light source, lateral part light source and bottom light source, the upper portion light source is used for corresponding with the upper portion position of pole piece or utmost point ear, the lateral part light source is used for corresponding with the lateral part position of pole piece or utmost point ear, the bottom light source is used for corresponding with the bottom position of pole piece or utmost point ear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821721025.0U CN209979509U (en) | 2018-10-23 | 2018-10-23 | Burr detection machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821721025.0U CN209979509U (en) | 2018-10-23 | 2018-10-23 | Burr detection machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345541A (en) * | 2020-11-18 | 2021-02-09 | 深圳市智动力精密技术股份有限公司 | Two-sided automatic checkout device of material |
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2018
- 2018-10-23 CN CN201821721025.0U patent/CN209979509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345541A (en) * | 2020-11-18 | 2021-02-09 | 深圳市智动力精密技术股份有限公司 | Two-sided automatic checkout device of material |
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