CN218808984U - Bipolar plate picking and detecting device - Google Patents
Bipolar plate picking and detecting device Download PDFInfo
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- CN218808984U CN218808984U CN202223064705.9U CN202223064705U CN218808984U CN 218808984 U CN218808984 U CN 218808984U CN 202223064705 U CN202223064705 U CN 202223064705U CN 218808984 U CN218808984 U CN 218808984U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model relates to a bipolar plate picking and detecting device, which adopts a lifting bin structure arranged below the bipolar plate picking and detecting device; a reference flat plate is arranged above the lifting bin structure; a floating adhesion detection module, a height measuring device, a non-contact vacuum adsorption system, a separating module and a code reading system are respectively arranged on the reference flat plate; the code reading system reads a code of the bipolar plate, confirms whether the type of the bipolar plate is correct, the height measuring device measures the distance of an adsorption plane of the bipolar plate, the non-contact vacuum adsorption system adsorbs the bipolar plate arranged above the lifting bin structure, and the bipolar plate is separated through the separating module in the adsorption process; the bipolar plate grabbing device has the technical effects of stable grabbing, no polar plate position droop error, and bipolar plate pollution caused by the grabbing sucker.
Description
Technical Field
The embodiment of the utility model relates to a pick up detection device, in particular to bipolar plate picks up detection device.
Background
The single cell of the fuel cell consists of a bipolar plate adhesive film and an MEA, and the bipolar plate adhesive film and the MEA are packaged together through heating and pressing force. The grabbing of the bipolar plate and the MEA is an important link in the production and stacking process of the fuel cell parts, and the grabbing precision and the grabbing quality directly influence the integral precision and quality of the fuel cell. The traditional clamp adopts a multi-point vacuum chuck to grab the bipolar plate, but the bad phenomena of unstable grabbing, position error caused by the sagging of the bipolar plate, bipolar plate pollution caused by the grabbing of the chuck and the like still exist in the actual production process. There is not an effective frock yet, can only adopt the mode of artifical blowing at present, because the deformation of bipolar plate, MEA itself is not high with the precision of artifical placing like this, directly influences the monocell encapsulation effect, so as to need a bipolar plate that can solve this problem to pick up detection device about in the fuel cell monocell production process urgently. Meanwhile, the production efficiency of the monocell is greatly improved.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims to provide a snatch stability, can not cause the flagging error in polar plate position, snatch the sucking disc and cause bipolar plate pollution's bipolar plate to pick up detection device.
In order to achieve the above object, an embodiment of the present invention provides a bipolar plate pickup detection device, including:
the lifting bin structure is arranged below the bipolar plate picking and detecting device;
the reference flat plate is arranged above the lifting bin structure;
a floating adhesion detection module, a height measuring device, a non-contact vacuum adsorption system, a separating module and a code reading system are respectively arranged on the reference flat plate;
the code reading system reads the code of the bipolar plate to confirm whether the bipolar plate is correct in model, the height measuring device measures the distance of the adsorption plane of the bipolar plate, the non-contact vacuum adsorption system adsorbs the bipolar plate arranged above the lifting storage bin structure, and the bipolar plate is separated through the separating module in the adsorption process.
Furthermore, a plurality of layers of bipolar plates are arranged between the lower part of the reference flat plate and the lifting bin structure, and partition paper is clamped between the bipolar plates.
Furthermore, the separating module is fixed above two ends of the reference flat plate, and the code reading system is arranged beside the separating module on one side of the reference flat plate; the height measuring device is arranged on one side of the reference flat plate; and the non-contact vacuum adsorption system is arranged on the reference flat plate.
Further, lift feed bin structure, still include:
the supporting seat is fixed below the lifting bin structure;
the lifting structure is fixed below the supporting seat; one end of the lifting structure is fixed on the supporting seat;
the other end of the lifting structure penetrates through the supporting seat, the other end of the lifting structure is fixed on the bipolar plate positioning plate, and the bipolar plate is placed above the bipolar plate positioning plate.
Further, the lifting structure further comprises:
the lifting screw rod is used for fixing one end of the lifting screw rod below the bipolar plate positioning plate;
the other end of the lifting screw rod is movably connected to a lifting driving device fixed below the supporting seat, and the lifting screw rod is driven to lift up and down.
Further, the non-contact vacuum adsorption system further comprises:
the Bernoulli chucks are arranged on the reference flat plate along a preset axis of the reference flat plate;
the sucking disc adjusting seats are arranged on the reference flat plate, and the sucking disc adjusting seats are arranged at two ends of the reference flat plate;
the end head sucker is fixed on the sucker adjusting seat; the Bernoulli sucker and the end sucker are arranged downwards.
Further, the floating adhesion detection module further comprises:
the weighing sensor is fixed below the weighing sensor above the reference flat plate;
the floating plate is fixed below the floating plate above the weighing sensor;
linear bearings, the linear bearings being provided at four corners of the floating plate; a guide shaft penetrates into the linear bearing; the guide shaft is movably connected with the linear bearing, and one end of the guide shaft penetrates into the floating plate;
the floating spring is sleeved on the guide shaft; the floating spring floats between the linear bearing and the floating plate;
a fixing plate for fixing the fixing plate above the linear bearing;
the fixing seat is fixed above the fixing plate; and the fixed seat is fixedly connected with a robot arm.
Further, the height measuring device further comprises:
the installation adjusting seat is fixed above the reference flat plate;
the displacement sensors are fixed on the mounting adjusting seat;
the kidney-shaped holes are respectively formed in the reference flat plate below the plurality of displacement sensors, the displacement sensors sense the bipolar plate through the kidney-shaped holes, the displacement sensors are used for sensing the distance between the bipolar plate and the bipolar plate pickup detection device, and the distance is used for measuring the height of the bipolar plate.
Furthermore, the tension separating module is fixed at two ends of the reference flat plate;
the separating module further comprises:
the cylinder mounting plate is fixed above the reference flat plate;
the cylinder body of the sucker lifting cylinder is fixed on the cylinder mounting plate;
the sucker mounting plate is fixed on a piston of the sucker lifting cylinder;
the sucking disc on the sucking disc mounting panel, fix along the straight line direction the sucking disc the below of sucking disc the benchmark flat board on set up the through-hole when sucking disc lift cylinder stretches out, the sucking disc can stretch the below of sucking disc mounting panel.
Compared with the prior art, the implementation mode of the utility model adopts the lifting feed bin structure arranged below the bipolar plate picking and detecting device; a reference flat plate is arranged above the lifting bin structure; a floating adhesion detection module, a height measuring device, a non-contact vacuum adsorption system, a separating module and a code reading system are respectively arranged on the reference flat plate;
the code reading system reads a code for the bipolar plate, confirms whether the bipolar plate is correct in model, the height measuring device measures the distance of the adsorption plane of the bipolar plate, the non-contact vacuum adsorption system adsorbs the bipolar plate arranged above the lifting bin structure, and the bipolar plate is separated through the separating module in the adsorption process.
The adsorption of the utility model adopts the non-contact vacuum adsorption system integral adsorption, thereby effectively solving the problem of bipolar plate sagging caused by point adsorption, and in addition, the adsorption stability can be improved because the adsorption area is larger; the code reading system is mainly used for identifying the two-dimensional code on the bipolar plate, and can achieve the data tracing and error prevention functions of the bipolar plate; the height measuring device can measure the accurate distance between the gripper and the bipolar plate, so that the variation of the height of the material in the stock bin is adapted by adjusting the gripping height of the robot; the floating adhesion detection module mainly comprises a weighing sensor and can detect adhesion according to weight change when the weight of the articles is adhered; the separating module is composed of a set of independent vacuum adsorption system, mainly aims at grabbing under the condition that a partition board exists between the polar plate and the polar plate, can grab the polar plate and the partition board simultaneously, and can firstly release the partition board when the polar plate is placed without influencing grabbing of the polar plate. The floating adhesion detection module mainly comprises a weighing sensor and can detect adhesion according to weight change when the weight of the tool is adhered.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural view in the left-view direction of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the present invention except for the lifting bin structure;
FIG. 4 is a schematic view of the front view of FIG. 3;
FIG. 5 is a schematic top view of FIG. 3;
fig. 6 is a schematic perspective view of the non-contact vacuum adsorption system of the present invention;
fig. 7 is a schematic structural view of the floating adhesion detection module according to the present invention in the front view direction;
fig. 8 is a schematic perspective view of the floating adhesion detection module of the present invention;
fig. 9 is a schematic perspective view of the height measuring device of the present invention;
fig. 10 is a schematic perspective view of the separating module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following describes each embodiment of the present invention in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a bipolar plate picking and detecting device, as shown in fig. 1 and fig. 2, including:
a lifting bin structure 1 is arranged below the bipolar plate picking and detecting device of the embodiment; the lifting silo structure 1 is used for lifting a bipolar plate 3.
A reference flat plate 10 is arranged above the lifting bin structure 1; the reference plate 10 is used for positioning the plane of the bipolar plate 3; the planes of the bipolar plates 3 are kept on the same reference plane, which is beneficial to improving the stability of adsorption.
The reference flat plate 10 is respectively provided with a floating adhesion detection module 5, a height measuring device 6, a non-contact vacuum adsorption system 7, a tension separating module 8 and a code reading system 9;
the code reading system 9 reads the code of the bipolar plate 3 to determine whether the type of the bipolar plate 3 is correct, the height measuring device in the embodiment measures the distance of the adsorption plane of the bipolar plate 3, the non-contact vacuum adsorption system 7 adsorbs the bipolar plate 3 arranged above the lifting storage bin structure 1, and the bipolar plate 3 is separated through the separating module 8 in the adsorption process.
In the embodiment, the non-contact vacuum adsorption system 7 is adopted for integral adsorption, so that the problem of the sagging of the bipolar plate 3 caused by point adsorption can be effectively solved, and in addition, the adsorption stability can be improved due to the large adsorption area; the code reading system 9 is mainly used for identifying the two-dimensional code on the bipolar plate 3, and can achieve the data tracing and error prevention functions of the bipolar plate 3; the height measuring device 6 can measure the accurate distance between the gripper and the bipolar plate 3, so that the variation of the height of the material in the stock bin can be adapted by adjusting the gripping height of the robot; the floating adhesion detection module 5 mainly comprises a weighing sensor and can detect adhesion according to weight change when the weight is adhered; the separating module 8 is composed of a set of independent vacuum adsorption system, mainly aims at grabbing under the condition that a separator exists between a polar plate and a polar plate, can grab the polar plate and the separator at the same time, and can firstly release the separator without influencing grabbing of the polar plate when the polar plate is placed. The floating adhesion detection module mainly comprises a weighing sensor and can detect adhesion according to weight change when the weight of the tool is adhered.
In order to achieve the technical effects, in the present embodiment, as shown in fig. 1 and 2, a plurality of layers of bipolar plates 3 are arranged between the lower part of a reference flat plate 10 and the structure of the lifting bin 1, and partition paper 4 is sandwiched between the bipolar plates 3.
In order to achieve the above technical effects, in the present embodiment, as shown in fig. 3, 4 and 5, in the bipolar plate picking detection apparatus in the present embodiment, the piece-separating module 8 is fixed above two ends of the reference flat plate 10, and the code reading system 9 is arranged beside the piece-separating module 8 on one side of the reference flat plate 10; arranging a height measuring device 6 at one side of the reference flat plate 10; a non-contact vacuum adsorption system 7 is provided on the reference plate 10. The floating adhesion detection module 5, the height measuring device 6, the non-contact vacuum adsorption system 7, the separating module 8 and the code reading system 9 are arranged on the reference flat plate 10, so that the bipolar plate pickup detection device in the embodiment is ensured, when the bipolar plate 3 is adsorbed, the bipolar plate is ensured not to droop when being adsorbed, and in addition, due to the existence of the reference flat plate 10, the adsorption area of the reference flat plate 10 is larger, and the adsorption stability can also be improved.
In order to achieve the above technical effects, in this embodiment, as shown in fig. 1 and fig. 2, the lifting bin structure 1 of the bipolar plate picking detection device in this embodiment further includes:
a supporting seat 27 is fixed below the material dropping bin structure 1; the supporting seat 27 mainly plays a role of supporting the whole bipolar plate pickup detection device;
a lifting structure 28 is fixed below the supporting seat 27; one end of the lifting structure 28 is fixed on the supporting seat 27; the lifting structure 28 is used for lifting the bipolar plates 3, and the bipolar plates 3 are controlled to be always on the same plane through lifting regardless of the number of the bipolar plates 3, so that the bipolar plate picking and detecting device in the embodiment can be ensured to be adsorbed.
The other end of the lifting structure 28 passes through the supporting seat 27, and is fixed on a bipolar plate positioning plate 29 on the other end of the lifting structure 28, the bipolar plate 3 is placed above the bipolar plate positioning plate 29, and the bipolar plate positioning plate 29 is used for positioning the bipolar plate 3.
In order to achieve the above technical effects, in this embodiment, as shown in fig. 1 and fig. 2, the lifting structure 28 of the bipolar plate picking-up detection device in this embodiment further includes:
one end of a lifting screw 281 is fixed below the bipolar plate positioning plate 29; the lifting screw 281 is used for driving the bipolar plate positioning plate 29 to move up and down accurately;
the other end of the lifting screw 281 is movably connected to a lifting driving device (shown in the figure) fixed below the supporting base 27, and the lifting screw 281 is driven to lift up and down. The lifting structure 28 ensures the positioning and lifting action of the bipolar plate 3;
in order to achieve the above technical effects, in this embodiment, as shown in fig. 3, 4, 5, and 6, the non-contact vacuum adsorption system 7 in the bipolar plate pick-up detection apparatus in this embodiment further includes:
a plurality of Bernoulli suckers 11 are arranged on the reference flat plate 10 along the preset axis of the reference flat plate 10; the Bernoulli chuck 11 is used for separating the adsorption bipolar plate 3 from the separator paper 4;
on the reference flat plate 10, the two ends of the reference flat plate 10 are provided with a sucker adjusting seat 12; the suction cup adjusting seat 12 is used for fixing the end suction cup 13,
an end head sucker 13 is fixed on the sucker adjusting seat 12; the Bernoulli chuck 11 and the end chuck 13 are both arranged downward.
In order to achieve the above technical effects, in this embodiment, as shown in fig. 3, 4, 5, 7, and 8, the floating adhesion detection module 5 in the bipolar plate picking-up detection apparatus in this embodiment further includes:
fixed above the reference plate 10 below the load cell 14; when the weighing sensor 14 separates the bipolar plate 3 and the separator paper 4 in the bipolar plate pick-up detection device in this embodiment, whether two bipolar plates 3 are adhered together is detected, and whether the bipolar plates 3 are adhered is judged through the change of the numerical values of the four weighing sensors 14.
Fixed below the floating plate 15 above the load cell 14; the floating plate 15 is used for keeping a certain floating function when the plate picking and detecting device adsorbs the bipolar plate 3 and separates from the separator paper 4.
a floating spring 16 is sleeved on the guide shaft 19; the floating spring 16 floats between the linear bearing 18 and the floating plate 15; the floating spring 16 mainly makes the floating plate 15 float.
A fixing plate 17 is fixed above the linear bearing 18; the fixing plate 17 is used for fixing the linear bearing 18;
a fixed seat 20 is fixed above the fixed plate 17; a robot arm is fixedly connected to the fixing base 20. The fixing base 20 is used for connecting a robot arm.
In order to achieve the above technical effects, in the present embodiment, as shown in fig. 3, 4, 5, 7, and 9, the height measuring device 6 in the present embodiment further includes:
the upper part of the reference flat plate 10 is fixed on a mounting adjusting seat 22; the mounting adjustment seat 22 is used for fixing the displacement sensor 21,
a plurality of displacement sensors 21 are fixed on the mounting adjustment seat 22;
below the plurality of displacement sensors 21, a kidney-shaped hole 30 is respectively formed on the reference flat plate 10, and the kidney-shaped holes 30 mainly serve to enable the displacement sensors 21 to sense the bipolar plate 3 through the kidney-shaped holes 30, so as to sense the distance between the bipolar plate 3 and the bipolar plate pickup detection device, and measure the height of the bipolar plate 3.
In order to achieve the above technical effects, in the present embodiment, as shown in fig. 3, 4, 5, 7 and 9, in the present embodiment, the tension modules 8 are fixed at both ends of the reference flat plate 10;
the separating module 8 further comprises:
a cylinder mounting plate 26, the cylinder mounting plate 26 being fixed above the reference flat plate 10;
a suction cup lifting cylinder 25, wherein a cylinder body of the suction cup lifting cylinder 25 is fixed on a cylinder mounting plate 26;
a suction cup mounting plate 24, wherein the suction cup mounting plate 24 is fixed on the piston of the suction cup lifting cylinder 25;
the sucking disc 23, on sucking disc mounting panel 24, along the fixed sucking disc 23 of straight line direction, below sucking disc 23, offer through-hole 31 on benchmark flat board 10, when sucking disc lift cylinder 25 stretches out, sucking disc 23 can stretch the below of sucking disc mounting panel 24, snatch the baffle paper 4 between the bipolar plate 3, from not influencing the snatching of bipolar plate 3.
The utility model discloses an application method of bipolar plate picking and detecting device, including following step:
the bipolar plate 3 and the partition paper 4 are manually placed on the lifting bin structure 1, the robot drives the bipolar plate picking detection device to move to the upper portion of the lifting bin structure 1, the bipolar plate picking detection device descends, the code reading system 9 reads codes of the bipolar plate 3, the height measuring device 6 identifies the distance between the bipolar plate picking detection device and the adsorption plane of the bipolar plate 3, the robot continues to descend, the non-contact vacuum adsorption system 7 finishes adsorption on the bipolar plate 3, the robot starts to ascend, the floating adhesion detection module 5 displays quality change and judges whether adhesion exists, the robot stops, the suction cup lifting cylinder of the separating module 8 moves out to finish adsorption on the partition paper 4, the separating module 8 releases the partition paper 4 firstly during releasing, and the non-contact vacuum adsorption system 7 releases the bipolar plate 3 after the suction cup lifting cylinder 25 resets. The adsorption step completes the adsorption of the bipolar plate picking and detecting device to the bipolar plate 3 in the embodiment, and the technical effects of stable grabbing, no plate position droop error, and bipolar plate pollution caused by the grabbing sucker are achieved.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (9)
1. A bipolar plate pick-up test apparatus, comprising:
the lifting bin structure is arranged below the bipolar plate picking and detecting device;
the reference flat plate is arranged above the lifting bin structure;
the reference flat plate is respectively provided with a floating adhesion detection module, a height measuring device, a non-contact vacuum adsorption system, a separating module and a code reading system;
the code reading system reads the code of the bipolar plate to confirm whether the bipolar plate is correct in model, the height measuring device measures the distance of the adsorption plane of the bipolar plate, the non-contact vacuum adsorption system adsorbs the bipolar plate arranged above the lifting storage bin structure, and the bipolar plate is separated through the separating module in the adsorption process.
2. The bipolar plate pick-up test device of claim 1, wherein a plurality of layers of said bipolar plates are disposed between the underside of said reference plate and said elevator bin structure, with separator paper sandwiched between said bipolar plates.
3. The bipolar plate picking detection device of claim 1, wherein the tension module is fixed above two ends of the reference plate, and the code reading system is arranged beside the tension module on one side of the reference plate; the height measuring device is arranged on one side of the reference flat plate; and the non-contact vacuum adsorption system is arranged on the reference flat plate.
4. The bipolar plate pick-up test device of claim 1, wherein the elevator bin structure further comprises:
the supporting seat is fixed below the lifting bin structure;
the lifting structure is fixed below the supporting seat; one end of the lifting structure is fixed on the supporting seat;
the other end of the lifting structure penetrates through the supporting seat, the other end of the lifting structure is fixed on the bipolar plate positioning plate, and the bipolar plate is placed above the bipolar plate positioning plate.
5. The bipolar plate pick-up test device of claim 4, wherein the elevating structure further comprises:
the lifting screw rod is used for fixing one end of the lifting screw rod below the bipolar plate positioning plate;
the other end of the lifting screw rod is movably connected to a lifting driving device fixed below the supporting seat, and the lifting screw rod is driven to lift up and down.
6. The bipolar plate pick-up test device of claim 1, wherein the non-contact vacuum adsorption system further comprises:
the Bernoulli chucks are arranged on the reference flat plate along a preset axis of the reference flat plate;
the sucking disc adjusting seats are arranged on the reference flat plate, and the sucking disc adjusting seats are arranged at two ends of the reference flat plate;
the end head sucker is fixed on the sucker adjusting seat; the Bernoulli sucker and the end sucker are arranged downwards.
7. The bipolar plate pick-up test device of claim 1, wherein the floating adhesion test module further comprises:
the weighing sensor is fixed below the weighing sensor above the reference flat plate;
the floating plate is fixed below the floating plate above the weighing sensor;
linear bearings, the linear bearings being provided at four corners of the floating plate; a guide shaft penetrates into the linear bearing; the guide shaft is movably connected with the linear bearing, and one end of the guide shaft penetrates into the floating plate;
the floating spring is sleeved on the guide shaft; the floating spring floats between the linear bearing and the floating plate;
a fixing plate which is fixed above the linear bearing;
the fixing seat is fixed above the fixing plate; and the fixed seat is fixedly connected with a robot arm.
8. The bipolar plate pick-up test device of claim 1, wherein said height measuring device further comprises:
the installation adjusting seat is fixed above the reference flat plate;
the displacement sensors are fixed on the mounting adjusting seat;
and the kidney-shaped holes are respectively formed in the reference flat plate below the plurality of displacement sensors, and the displacement sensors sense the bipolar plates through the kidney-shaped holes and are used for sensing the distance between the bipolar plates and the bipolar plate pickup detection device and measuring the height of the bipolar plates.
9. The bipolar plate picking detection device of claim 7, wherein the split module is fixed at both ends of the reference plate;
the separating module further comprises:
the cylinder mounting plate is fixed above the reference flat plate;
the cylinder body of the sucker lifting cylinder is fixed on the cylinder mounting plate;
the sucker mounting plate is fixed on the piston of the sucker lifting cylinder;
the sucking disc on the sucking disc mounting panel, fix along the straight line direction the sucking disc the below of sucking disc the benchmark flat board on set up the through-hole when sucking disc lift cylinder stretches out, the sucking disc can stretch the below of sucking disc mounting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223064705.9U CN218808984U (en) | 2022-11-18 | 2022-11-18 | Bipolar plate picking and detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223064705.9U CN218808984U (en) | 2022-11-18 | 2022-11-18 | Bipolar plate picking and detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218808984U true CN218808984U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223064705.9U Active CN218808984U (en) | 2022-11-18 | 2022-11-18 | Bipolar plate picking and detecting device |
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| Country | Link |
|---|---|
| CN (1) | CN218808984U (en) |
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- 2022-11-18 CN CN202223064705.9U patent/CN218808984U/en active Active
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