CN222273329U - Tray conveyor mechanism - Google Patents
Tray conveyor mechanism Download PDFInfo
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- CN222273329U CN222273329U CN202420951766.7U CN202420951766U CN222273329U CN 222273329 U CN222273329 U CN 222273329U CN 202420951766 U CN202420951766 U CN 202420951766U CN 222273329 U CN222273329 U CN 222273329U
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- 239000000463 material Substances 0.000 claims abstract description 103
- 238000007599 discharging Methods 0.000 claims description 41
- 230000000903 blocking effect Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
本实用新型涉及半导体加工技术领域，涉及一种料盘输送机构。本实用新型的顶升组件将上料轨道上的料盘转运至接料组件处，接料气缸带动接料板对料盘的底部进行支撑接料，推料组件再将接料组件上的料盘推料至下料轨道上，以此实现料盘的快速流转，精准地将引线产品转运到预设上料位置，结构简单，且流转可靠性高；定位组件对料盘进行位置定位以进行料盘上料，对料盘的位置进行快速定位，有效保证引线工件的上料位置精度。
The utility model relates to the field of semiconductor processing technology, and relates to a material tray conveying mechanism. The lifting component of the utility model transfers the material tray on the loading track to the receiving component, the receiving cylinder drives the receiving plate to support the bottom of the material tray to receive the material, and the pushing component pushes the material tray on the receiving component to the unloading track, thereby realizing the rapid circulation of the material tray, accurately transporting the lead product to the preset loading position, with a simple structure and high circulation reliability; the positioning component positions the material tray for loading the material tray, quickly positions the position of the material tray, and effectively ensures the loading position accuracy of the lead workpiece.
Description
Technical Field
The utility model relates to the technical field of semiconductor processing, in particular to a tray conveying mechanism.
Background
For some leaded semiconductor products, such as sensors, the leads need to be cut to a predetermined length during the manufacturing process to ensure acceptable shipping. The lead wire product is carried and generally needs to be placed in a magazine with a certain amount of lead wire products, and then the magazine bearing the lead wire products is transported to the next process, and the magazine with the lead wire products is generally required to be placed deeply by workers manually, so that the operation is inconvenient, the labor intensity is high, meanwhile, the existing magazine conveying equipment is large in occupied space, and the overlong conveying line also easily causes the magazine to shake so as to influence the quality of the products, so that the improvement is needed.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the tray conveying mechanism which can realize the rapid circulation of the tray, accurately transfer the lead products to the preset feeding position, has a simple structure and has high feeding position precision of lead workpieces.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
A tray conveying mechanism comprising:
The feeding assembly comprises a feeding track and a discharging track, wherein the feeding track is arranged below the discharging track, and the feeding track and the discharging track are arranged in parallel;
The jacking assembly is arranged between the feeding track and the discharging track and is used for transferring the material tray on the feeding track to the discharging track;
The receiving assembly is arranged opposite to the discharging track and is used for receiving the material of the material tray transported by the positioning assembly;
the pushing assembly is arranged opposite to the receiving assembly and is used for pushing the material tray on the receiving assembly onto the discharging track;
The positioning assembly is arranged on the blanking track and is used for positioning the material tray to feed the material tray;
The material receiving assembly comprises two material receiving frames, the two material receiving frames are respectively arranged on two sides of the material tray, a material receiving cylinder is arranged on the material receiving frames and is in driving connection with the material receiving plate, and the material receiving cylinder is used for driving the material receiving plate to support the bottom of the material tray.
In one embodiment of the utility model, the pushing assembly comprises a pushing frame, a rodless cylinder is arranged on the pushing frame, a pushing bracket is arranged on a sliding block of the rodless cylinder, a pushing plate is arranged on the pushing bracket, the pushing plate is arranged opposite to the receiving assembly, and the rodless cylinder drives the pushing plate to push a tray on the receiving assembly to a discharging track.
In one embodiment of the utility model, the jacking assembly is arranged right below the feeding rail, and comprises a jacking cylinder which is in driving connection with a jacking plate, and the jacking cylinder drives the jacking plate to jack and feed the material tray on the feeding rail to the material receiving assembly.
In one embodiment of the utility model, a plurality of limiting blocks are arranged on the material receiving plate, a position sensor is arranged on each limiting block, and the lifting cylinder drives the limiting blocks on the material receiving plate to extend out of the material feeding track so as to receive the material tray.
In one embodiment of the utility model, the material receiving plate is provided with a limiting pin, the edge of the material tray is provided with a limiting groove matched with the limiting pin, the material receiving plate is provided with a mounting hole, and the mounting hole is provided with a vacuum chuck.
In one embodiment of the utility model, the feeding track and the discharging track have the same structure, the discharging track comprises a track frame, side roller conveying lines are symmetrically arranged on two sides of the track frame, the side roller conveying lines are synchronously connected through a discharging motor, a guide plate is arranged on the side roller conveying lines, a guide inclined plane is arranged on the guide plate, and guide rollers are arranged on the guide inclined plane.
In one embodiment of the utility model, the tray comprises a bottom plate, a first positioning plate and a second positioning plate, wherein the bottom plate, the first positioning plate and the second positioning plate are sequentially arranged in parallel from bottom to top, the bottom plate is connected with the first positioning plate and the second positioning plate through a plurality of connecting columns, loading holes matched with the appearance of a workpiece are formed in the first positioning plate and the second positioning plate, and the loading holes in the first positioning plate and the second positioning plate are arranged in a one-to-one correspondence mode.
In one embodiment of the utility model, the positioning assembly comprises two positioning frames, the two positioning frames are respectively arranged at two sides of the blanking track, the positioning frames are provided with positioning cylinders, the positioning cylinders are in driving connection with the positioning plates, the positioning plates are provided with a plurality of positioning columns, and the positioning cylinders drive the positioning columns to clamp and position two sides of the material tray.
In one embodiment of the utility model, the blanking device further comprises a blocking part, wherein the blocking part is arranged on the blanking track, the blocking part comprises a blocking cylinder, the blocking cylinder is in driving connection with a blocking rod, and the blocking rod is driven to penetrate through the blanking track by the blocking cylinder so as to block a tray on the blanking track.
In one embodiment of the utility model, the receiving plate is provided with a supporting groove matched with the material tray, the edge of the supporting groove is provided with a guide surface, the receiving plate is provided with a detection hole, and the detection hole is provided with a detection sensor for detecting the position of the material tray.
The utility model has the beneficial effects that:
According to the lifting assembly, the tray on the feeding track is transported to the receiving assembly, the receiving cylinder drives the receiving plate to support and receive the bottom of the tray, the pushing assembly pushes the tray on the receiving assembly to the discharging track, so that the tray can be rapidly transported, a lead product can be precisely transported to a preset feeding position, the lifting assembly is simple in structure and high in transportation reliability, the positioning assembly positions the tray to feed the tray, positions the tray are rapidly positioned, and the feeding position precision of a lead workpiece is effectively guaranteed.
Drawings
Fig. 1 is a schematic view of a tray conveying mechanism of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
FIG. 3 is a schematic view of a jacking assembly of the present utility model.
The reference numerals in the drawing indicate that 1, a feeding track, 2, a discharging track, 21, a side roller conveying line, 22, a discharging motor, 23, a guide plate, 24, a guide roller, 3, a tray, 31, a bottom plate, 32, a limit groove, 33, a second locating plate, 34, a loading hole, 35, a connecting column, 4, a pushing component, 41, a rodless cylinder, 42, a pushing support, 43, a pushing plate, 5, a locating component, 51, a locating cylinder, 52, a locating plate, 53, a locating column, 6, a blocking cylinder, 61, a blocking rod, 7, a jacking component, 71, a jacking cylinder, 72, a jacking plate, 73, a limit pin, 74, a vacuum chuck, 75, a limit block, 76, a position sensor, 8, a receiving cylinder, 81, a receiving plate, 82, a support groove and 83, and a detection sensor.
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. 1-3, a tray conveying mechanism includes:
The feeding assembly comprises a feeding track 1 and a discharging track 2, wherein the feeding track 1 is arranged below the discharging track 2, and the feeding track 1 and the discharging track 2 are arranged in parallel;
the jacking assembly 7 is arranged between the feeding track 1 and the discharging track 2, and the jacking assembly 7 is used for transferring the material tray 3 on the feeding track 1 to the discharging track 2;
The receiving assembly is arranged opposite to the discharging track 2 and is used for receiving the material of the material tray 3 transported by the positioning assembly 5;
the pushing assembly 4 is arranged opposite to the receiving assembly, and the pushing assembly 4 is used for pushing the tray 3 on the receiving assembly to the discharging track 2;
the positioning assembly 5 is arranged on the blanking track 2, and the positioning assembly 5 is used for positioning the material tray 3 so as to feed the material tray 3;
Wherein, connect the material subassembly to include two material receiving racks, two material receiving racks set up respectively the charging tray 3 both sides, be provided with on the material receiving rack and connect material cylinder 8, connect material cylinder 8 and connect the drive of flitch 81 to be connected, connect material cylinder 8 to be used for driving and connect flitch 81 to support the bottom of charging tray 3.
According to the utility model, the jacking component 7 transfers the tray 3 on the feeding track 1 to the receiving component, the receiving cylinder 8 drives the receiving plate 81 to support and receive the bottom of the tray 3, the pushing component 4 pushes the tray 3 on the receiving component to the discharging track 2, so that the rapid circulation of the tray 3 is realized, the lead products are accurately transferred to a preset feeding position, the structure is simple, the circulation reliability is high, the positioning component 5 positions the tray 3 to feed the tray 3, the position of the tray 3 is rapidly positioned, and the feeding position precision of the lead workpieces is effectively ensured.
In one embodiment of the present utility model, the pushing assembly 4 includes a pushing frame, a rodless cylinder 41 is disposed on the pushing frame, a pushing bracket 42 is disposed on a sliding block of the rodless cylinder 41, a pushing plate 43 is disposed on the pushing bracket 42, the pushing plate 43 is disposed opposite to the receiving assembly, and the rodless cylinder 41 drives the pushing plate 43 to push the tray 3 on the receiving assembly onto the discharging track 2.
Specifically, the rodless cylinder 41 drives the pushing plate 43 to push the trays 3 on the two receiving plates 81 to the roller conveying lines 21 on the two sides of the discharging track 2 along the guiding inclined plane, so that the trays 3 can be rapidly discharged, the occupied space is small, the running speed is high, and the processing beat can be ensured.
In one embodiment of the present utility model, the lifting assembly 7 is disposed directly below the feeding rail 1, the lifting assembly 7 includes a lifting cylinder 71, the lifting cylinder 71 is in driving connection with a lifting plate 72, and the lifting cylinder 71 drives the lifting plate 72 to lift and feed the trays 3 on the feeding rail 1 to the receiving assembly.
In one embodiment of the present utility model, the receiving plate 81 is provided with a plurality of limiting blocks 75, the limiting blocks 75 are provided with position sensors 76, and the jacking cylinder 71 drives the limiting blocks 75 on the receiving plate 81 to extend out of the feeding rail 1 so as to receive the trays 3.
Specifically, the unloading motor 22 of the feeding track 1 drives the side roller conveying line 21 to convey the material tray 3 to the jacking assembly 7, the jacking cylinder 71 drives the limiting block 75 on the material receiving plate 81 to extend out of the feeding track 1 so as to receive the material tray 3, so that the material tray 3 stops moving, the follow-up jacking operation of the material tray 3 is facilitated, and the jacking precision is guaranteed.
In one embodiment of the present utility model, the material receiving plate 81 is provided with a limiting pin 73, the edge of the material tray 3 is provided with a limiting groove 32 matched with the limiting pin 73, the material receiving plate 81 is provided with a mounting hole, and the mounting hole is provided with a vacuum chuck 74.
Specifically, the blanking motor 22 of the feeding track 1 drives the side roller conveying line 21 to enable the limiting groove 32 on the material tray 3 to be clamped on the limiting pin 73, so that the position accuracy of the material tray 3 on the material receiving plate 81 can be guaranteed, the jacking cylinder 71 drives the material receiving plate 81 to jack up the material tray 3, the vacuum sucking disc 74 is connected with the vacuum release device, negative pressure is generated to enable the bottom plate 31 to be adsorbed on the material receiving plate 81, the moving stability of the material tray 3 is guaranteed, and the rapid circulation of the subsequent material tray 3 is guaranteed.
In one embodiment of the present utility model, the feeding track 1 and the discharging track 2 have the same structure, the discharging track 2 includes a track frame, two sides of the track frame are symmetrically provided with side roller conveying lines 21, the side roller conveying lines 21 are synchronously connected by a discharging motor 22, a guide plate 23 is provided on the side roller conveying line 21, a guide inclined plane is provided on the guide plate 23, and a guide roller 24 is provided on the guide inclined plane.
Specifically, the height of the supporting plane of the supporting groove 82 is slightly higher than the lowest position of the guiding inclined plane arranged on the guiding plate 23, the rodless cylinder 41 drives the pushing plate 43 to push the material trays 3 on the two receiving plates 81 to the two-side roller conveying lines 21 of the discharging track 2 along the guiding inclined plane, the guiding inclined plane can guide the material trays 3, so that the material trays 3 can be accurately blanked to be conveyed on the two-side roller conveying lines 21, and the conveying efficiency of the material trays 3 is ensured.
In one embodiment of the present utility model, the tray 3 includes a bottom plate 31, a first positioning plate and a second positioning plate 33, where the bottom plate 31, the first positioning plate and the second positioning plate 33 are sequentially arranged in parallel from bottom to top, the bottom plate 31 is connected to the first positioning plate, the first positioning plate and the second positioning plate 33 through a plurality of connecting posts 35, the first positioning plate and the second positioning plate 33 are both provided with loading holes 34 matched with the shape of the workpiece, and the loading holes 34 on the first positioning plate and the second positioning plate 33 are arranged in one-to-one correspondence.
Specifically, the lead workpiece is inserted into the loading hole 34 and is supported by the bottom plate 31, the upper side of the lead workpiece is positioned by the second positioning plate 33, and the lower side is positioned by the first positioning plate. Through adopting charging tray 3 of above-mentioned structure, make things convenient for unloading manipulator or artificial transport, and accept in the lead wire work piece positioning accuracy of charging tray 3 high, accept the back more steadily.
In one embodiment of the present utility model, the positioning assembly 5 includes two positioning frames, the two positioning frames are respectively disposed on two sides of the blanking track 2, the positioning frames are provided with positioning cylinders 51, the positioning cylinders 51 are in driving connection with positioning plates 52, the positioning plates 52 are provided with a plurality of positioning columns 53, and the positioning cylinders 51 drive the positioning columns 53 to clamp and position two sides of the tray 3.
Specifically, the positioning cylinder 51 drives the positioning columns 53 to clamp and position two sides of the material tray 3, so that automation of positioning and feeding can be effectively realized, the stability of feeding of the lead workpieces on the material tray 3 is ensured, the efficiency of conveying the material tray 3 is improved, and the labor intensity of workers is reduced.
In one embodiment of the utility model, the blanking device further comprises a blocking part, wherein the blocking part is arranged on the blanking track 2, the blocking part comprises a blocking air cylinder 6, the blocking air cylinder 6 is in driving connection with a blocking rod 61, and the blocking air cylinder 6 drives the blocking rod 61 to penetrate through the blanking track 2 so as to perform blocking operation on the material tray 3 on the blanking track 2.
Specifically, keep off material cylinder 6 drive and keep off material pole 61 and wear to establish on unloading track 2 to keep off the material to charging tray 3 on the unloading track 2, make charging tray 3 stop the motion, make things convenient for the locating part to the location effect of charging tray 3, keep off the material simultaneously and still can carry out certain buffering to charging tray 3, avoid charging tray 3 to collide each other and cause the damage, guarantee orbital normal transmission.
In one embodiment of the present utility model, the receiving plate 81 is provided with a supporting groove 82 matched with the tray 3, a guiding surface is provided at an edge of the supporting groove 82, a detecting hole is provided on the receiving plate 81, and a detecting sensor 83 for detecting a position of the tray 3 is provided on the detecting hole.
Specifically, connect material cylinder 8 to drive and connect flitch 81 to support the bottom of charging tray 3, and the supporting groove 82 edge is provided with the guide surface for bottom plate 31 slides to on the supporting groove 82 along the guide surface, conveniently supports the direction to the bottom plate 31 of charging tray 3, detects sensor 83 and detects charging tray 3 position, makes two connect flitch 81 to support the bottom of charging tray 3, the supporting plane height of supporting groove 82 is slightly higher than the guiding bevel minimum that sets up on the deflector 23, promotes the unloading with the charging tray 3 on the receiving flitch 81 after the convenience, guarantees the stability of ejection of compact.
The use process
Placing the lead workpieces loaded on the loading holes 34 on the first positioning plate and the second positioning plate 33 one by one, placing the tray 3 loaded with the lead workpieces on the loading rail 1, driving the side roller conveying line 21 by the discharging motor 22 of the loading rail 1 to convey the tray 3 to the jacking component 7, enabling the limiting block 75 on the receiving plate 81 to extend out of the loading rail 1 to receive the tray 3, enabling the limiting groove 32 on the tray 3 to be clamped on the limiting pin 73 by the discharging motor 22 of the loading rail 1, enabling the position sensor 76 to detect the position of the tray 3, enabling the jacking plate 72 to jack and convey the tray 3 on the loading rail 1 to the receiving component, enabling the receiving plate 81 to support the bottom of the tray 3 by the receiving cylinder 8, enabling the edge of the supporting groove 82 to be provided with a guide surface, the bottom plate 31 of conveniently charging tray 3 supports the direction, detect sensor 83 detects charging tray 3 position for two receiving plates 81 support the bottom of charging tray 3, the supporting plane height of supporting groove 82 is slightly higher than the guiding slope minimum that sets up on the deflector 23, no pole cylinder 41 drives and pushes away charging tray 3 on two receiving plates 81 along guiding slope and pushes away the material to the both sides gyro wheel transfer chain 21 of unloading track 2, both sides gyro wheel transfer chain 21 passes through unloading motor 22 synchronous drive with charging tray 3 to locating component 5 departments, keep off material cylinder 6 drive fender material pole 61 and wear to establish on unloading track 2, with keep off the material back to charging tray 3 on the unloading track 2, location cylinder 51 drives the reference column 53 carries out the centre gripping location to the both sides of charging tray 3, guarantees the stability of the lead wire work piece material loading on the charging tray 3, improves the efficiency of charging tray 3 transmission.
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. A tray conveying mechanism, comprising:
The feeding assembly comprises a feeding track and a discharging track, wherein the feeding track is arranged below the discharging track, and the feeding track and the discharging track are arranged in parallel;
The jacking assembly is arranged between the feeding track and the discharging track and is used for transferring the material tray on the feeding track to the discharging track;
The receiving assembly is arranged opposite to the discharging track and is used for receiving the material of the material tray transported by the positioning assembly;
the pushing assembly is arranged opposite to the receiving assembly and is used for pushing the material tray on the receiving assembly onto the discharging track;
The positioning assembly is arranged on the blanking track and is used for positioning the material tray to feed the material tray;
The material receiving assembly comprises two material receiving frames, the two material receiving frames are respectively arranged on two sides of the material tray, a material receiving cylinder is arranged on the material receiving frames and is in driving connection with the material receiving plate, and the material receiving cylinder is used for driving the material receiving plate to support the bottom of the material tray.
2. The tray conveying mechanism according to claim 1, wherein the pushing assembly comprises a pushing frame, a rodless cylinder is arranged on the pushing frame, a pushing support is arranged on a sliding block of the rodless cylinder, a pushing plate is arranged on the pushing support, the pushing plate is arranged opposite to the receiving assembly, and the rodless cylinder drives the pushing plate to push the tray on the receiving assembly to the discharging track.
3. The tray conveying mechanism according to claim 1, wherein the jacking assembly is arranged right below the feeding rail, the jacking assembly comprises a jacking cylinder, the jacking cylinder is in driving connection with a jacking plate, and the jacking cylinder drives the jacking plate to jack and feed the tray on the feeding rail to the receiving assembly.
4. The tray conveying mechanism according to claim 3, wherein a plurality of limiting blocks are arranged on the material receiving plate, position sensors are arranged on the limiting blocks, and the jacking cylinder drives the limiting blocks on the material receiving plate to extend out of the material feeding track so as to receive the material tray.
5. A tray conveying mechanism according to claim 3, wherein the tray receiving plate is provided with a limiting pin, the tray edge is provided with a limiting groove matched with the limiting pin, the tray receiving plate is provided with a mounting hole, and the mounting hole is provided with a vacuum chuck.
6. The tray conveying mechanism according to claim 1, wherein the feeding rail and the discharging rail have the same structure, the discharging rail comprises a rail frame, side roller conveying lines are symmetrically arranged on two sides of the rail frame and are synchronously connected through a discharging motor, a guide plate is arranged on the side roller conveying line, a guide inclined plane is arranged on the guide plate, and guide rollers are arranged on the guide inclined plane.
7. The tray conveying mechanism according to claim 1, wherein the tray comprises a bottom plate, a first positioning plate and a second positioning plate, the bottom plate, the first positioning plate and the second positioning plate are sequentially arranged in parallel from bottom to top, the bottom plate is connected with the first positioning plate and the second positioning plate through a plurality of connecting columns, loading holes matched with the shape of a workpiece are formed in the first positioning plate and the second positioning plate, and the loading holes in the first positioning plate and the second positioning plate are arranged in a one-to-one correspondence mode.
8. The tray conveying mechanism according to claim 1, wherein the positioning assembly comprises two positioning frames, the two positioning frames are respectively arranged on two sides of the blanking track, positioning cylinders are arranged on the positioning frames and are in driving connection with the positioning plates, a plurality of positioning columns are arranged on the positioning plates, and the positioning cylinders drive the positioning columns to clamp and position two sides of the tray.
9. The tray conveying mechanism of claim 1, further comprising a blocking component, wherein the blocking component is arranged on the blanking track, the blocking component comprises a blocking cylinder, the blocking cylinder is in driving connection with a blocking rod, and the blocking rod is driven by the blocking cylinder to penetrate through the blanking track so as to perform blocking operation on the tray on the blanking track.
10. The tray conveying mechanism according to claim 1, wherein the receiving plate is provided with a supporting groove matched with the tray, a guide surface is arranged at the edge of the supporting groove, the receiving plate is provided with a detection hole, and the detection hole is provided with a detection sensor for detecting the position of the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420951766.7U CN222273329U (en) | 2024-05-06 | 2024-05-06 | Tray conveyor mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420951766.7U CN222273329U (en) | 2024-05-06 | 2024-05-06 | Tray conveyor mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222273329U true CN222273329U (en) | 2024-12-31 |
Family
ID=93950611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420951766.7U Active CN222273329U (en) | 2024-05-06 | 2024-05-06 | Tray conveyor mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222273329U (en) |
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2024
- 2024-05-06 CN CN202420951766.7U patent/CN222273329U/en active Active
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