CN215981269U - Sealing structure and material processing equipment - Google Patents
Sealing structure and material processing equipment Download PDFInfo
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- CN215981269U CN215981269U CN202122692363.4U CN202122692363U CN215981269U CN 215981269 U CN215981269 U CN 215981269U CN 202122692363 U CN202122692363 U CN 202122692363U CN 215981269 U CN215981269 U CN 215981269U
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Abstract
The embodiment of the utility model provides a sealing structure and material processing equipment, and relates to the field of sealing structures. The sealing structure comprises a first connecting disc, a second connecting disc and an annular air bag, wherein a first material channel is arranged on the first connecting disc; a second material channel is arranged on the second connecting disc, and the first connecting disc and the second connecting disc are arranged at intervals; an air bag channel is defined in the annular air bag, and the annular air bag is arranged on the first connecting disc around the first material channel; the annular air bag is used for expanding in an inflated state and sealing a peripheral gap between the first connecting disc and the second connecting disc so as to enable the air bag channel to be communicated with the first material channel and the second material channel; or the first connecting disc and the second connecting disc can be conveniently detached, so that the operating efficiency is improved.
Description
Technical Field
The utility model relates to the field of sealing structures, in particular to a sealing structure and material processing equipment.
Background
The sealing structure is a structure which is frequently used in engineering, so that leakage of related substances is prevented, normal operation can be better performed, and operation safety is guaranteed or waste of the related substances is avoided.
In the prior art, the sealing structure is usually plugged in a manner that the sealing ring is clamped, but the sealing structure is inconvenient to disassemble when maintenance or inspection is needed, and the operation efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealing structure and material processing equipment, which can be detached more conveniently and improve the operation efficiency.
Embodiments of the utility model may be implemented as follows:
an embodiment of the present invention provides a sealing structure, including:
the first connecting disc is provided with a first material channel;
the second connecting disc is provided with a second material channel, and the first connecting disc and the second connecting disc are arranged at intervals; and
an annular air bag, the interior of which defines an air bag channel and which is mounted on the first connecting disc around the first material channel;
the annular air bag is used for expanding in an inflated state and sealing a peripheral gap between the first connecting disc and the second connecting disc so as to enable the air bag channel to be communicated with the first material channel and the second material channel; or the first material channel and the second material channel are contracted under the air leakage state, so that the first material channel and the second material channel are communicated with the external space through the peripheral gap.
Optionally, a first annular groove is formed in the first connecting disc, and a part of the annular airbag is mounted in the first annular groove.
Optionally, a second annular groove is formed in the second connecting disc, the annular airbag is in an inflated state, and one side of the annular airbag abuts against the inside of the second annular groove.
Optionally, the sealing structure further comprises an air bag solenoid valve and an air source, the air bag solenoid valve is connected with the air source, the air source is connected with the annular air bag, and the air bag solenoid valve is used for controlling the air source to inflate the annular air bag, so that the annular air bag is in an inflated state; or controlling the air source to deflate the annular air bag so as to enable the annular air bag to be in a deflating state.
An embodiment of the present invention further provides a material processing apparatus, including: the pipeline, the material collecting box and the sealing structure are arranged on the pipeline;
the pipeline comprises a first connecting pipe and a second connecting pipe, the end part of the first connecting pipe is connected with the first connecting disc, and the end part of the second connecting pipe is connected with the second connecting disc;
the second connecting pipe is installed on the material collecting box and is used for communicating the material collecting box with the first connecting pipe.
Optionally, the material processing equipment comprises at least two pipelines, at least two pipelines are communicated with the material collecting box, and at least two pipelines are communicated with each other.
Optionally, the material processing equipment still includes guide way frame and guide block, the guide way frame includes guide way and mount, the one end of mount with guide way fixed connection, the other end fixed connection of mount in the outer wall of first connecting pipe, guide block fixed connection in the outer wall of second connecting pipe, the guide block set up in the guide way, when the second connecting pipe is used for being actuated, drive the guide block is followed the extending direction of guide way removes.
Optionally, the extending direction of the guide groove is parallel to the extending direction of the first slide rail.
Optionally, the material processing equipment still includes first alignment jig, second alignment jig and third alignment jig, the one end fixed connection of first alignment jig in the outer wall of first connecting pipe, the other end of first alignment jig the second alignment jig reaches the third alignment jig connects gradually, the both ends movably of second alignment jig connect respectively in the other end of first alignment jig and the third alignment jig.
Optionally, the material processing device further comprises a first slide rail and a second slide rail, the first slide rail and the second slide rail are used for supporting the material collection box together, the material collection box is used for being actuated to slide along the extending direction of the first slide rail, and the god direction of the second slide rail is the same as the extending direction of the first slide rail.
The sealing structure and the material processing equipment provided by the embodiment of the utility model have the beneficial effects that:
the embodiment of the utility model provides a sealing structure which comprises a first connecting disc, a second connecting disc and an annular air bag, wherein a first material channel is arranged on the first connecting disc; a second material channel is arranged on the second connecting disc, and the first connecting disc and the second connecting disc are arranged at intervals; an air bag channel is defined in the annular air bag, and the annular air bag is arranged on the first connecting disc around the first material channel; the annular air bag is used for expanding in an inflated state and sealing a peripheral gap between the first connecting disc and the second connecting disc so as to enable the air bag channel to be communicated with the first material channel and the second material channel; or be used for contracting under the state of disappointing to make first material passageway and second material passageway communicate the exterior space through the periphery clearance, through the inflation of annular gasbag, annular gasbag inflation, and then make first material passageway of gasbag passageway intercommunication and second material passageway, the periphery clearance of first connection pad and second connection pad can be sealed to annular gasbag simultaneously, when needs maintenance or inspection, annular gasbag is lost heart, annular gasbag shrink, first material passageway and second material passageway communicate the exterior space through the periphery clearance, thus, first connection pad and second connection pad can be very conveniently dismantled and opened, and the operating efficiency is improved.
The embodiment of the utility model also provides material processing equipment, which comprises a pipeline, a material collecting box and the sealing structure; the pipeline comprises a first connecting pipe and a second connecting pipe, the end part of the first connecting pipe is connected with the first connecting disc, and the end part of the second connecting pipe is connected with the second connecting disc; the second connecting pipe is installed in the material collecting box, and is used for communicating the material collecting box and the first connecting pipe, can improve the operating efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic illustration of a material handling apparatus provided in an embodiment of the present invention;
fig. 2 is an exploded view of a seal structure provided in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a seal structure provided in an embodiment of the present invention in an inflated condition;
figure 4 is a cross-sectional view of a seal configuration provided in an embodiment of the present invention in a deflated state.
Icon: 1000-material handling equipment; 100-a pipe; 110 — a first connection tube; 120-a second connecting tube; 200-a material collection box; 300-a first slide rail; 400-a second slide rail; 500-a guide groove frame; 510-a guide groove; 520-a fixing frame; 600-a first adjusting bracket; 700-a second adjusting bracket; 800-a third adjusting bracket; 900-sealing structure; 910-a first splice tray; 911-a first material channel; 912-a first annular groove; 920-a second connecting disc; 921 — second material passage; 922 — a second annular groove; 930-annular balloon; 931-balloon channel; 940-airbag electromagnetic valve; 10-a peripheral gap; 20-guide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The sealing structure is a structure which is frequently used in engineering, so that leakage of related substances is prevented, normal operation can be better performed, and operation safety is guaranteed or waste of the related substances is avoided. In the prior art, the sealing structure is usually plugged in a manner that the sealing ring is clamped, but the sealing structure is inconvenient to disassemble when maintenance or inspection is needed, and the operation efficiency is reduced.
In view of this, the sealing structure and the material handling apparatus provided in the embodiments of the present invention can solve this problem.
Referring to fig. 1-4, a sealing structure 900 and a material handling apparatus 1000 are provided in the present embodiment, which will be described in detail below.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a material processing apparatus 1000, including a pipeline 100, a material collecting box 200, and a sealing structure 900, in this embodiment, the material processing apparatus 1000 is a tobacco processing apparatus, the pipeline 100 includes a first connecting pipe 110 and a second connecting pipe 120, an end of the first connecting pipe 110 is connected to a first connecting plate 910, and an end of the second connecting pipe 120 is connected to a second connecting plate 920; second connecting pipe 120 is installed in material collection box 200, and is used for communicating material collection box 200 and first connecting pipe 110, and seal structure 900 can be when being in the gas filled state, connects first connecting pipe 110 and second connecting pipe 120, and first connecting pipe 110 and second connecting pipe 120 communicate promptly, and seal structure 900 can be when being in the state of leaking gas, and first connecting pipe 110 and second connecting pipe 120 can conveniently be dismantled.
Wherein the material processing device 1000 further comprises a first slide rail 300 and a second slide rail 400, the first slide rail 300 and the second slide rail 400 are used for jointly supporting the material collection box 200, the material collection box 200 is used for being actuated to slide along the extending direction of the first slide rail 300, for example, the material collection box 200 is pushed to slide along the extending direction of the first slide rail 300 through a manual or transmission structure, it is easy to understand that the extending direction of the second slide rail 400 is the same as the extending direction of the first slide rail 300.
Specifically, the material processing device 1000 includes at least two pipelines 100, at least two pipelines 100 communicate with the material collecting box 200, and communicate with each other between at least two pipelines 100, in this embodiment, the number of pipelines 100 is two, two pipelines 100 are installed respectively at the left and right sides of the material collecting box 200, and two pipelines 100 are coaxial and communicate under the condition of normal operation, the pipeline 100 on the left side is a feeding pipe, the pipeline 100 on the right side is an exhaust pipe, the pipeline 100 on the right side performs the exhaust operation, and it is convenient to transport the tobacco in the feeding pipe to the inside of the material collecting box 200.
Further, the material processing apparatus 1000 further includes a guide slot frame 500 and a guide block 20, the guide slot frame 500 includes a guide slot 510 and a fixing frame 520, one end of the fixing frame 520 is fixedly connected to the guide slot 510, the other end of the fixing frame 520 is fixedly connected to the outer wall of the first connecting pipe 110 on the left side, the guide block 20 is fixedly connected to the outer wall of the second connecting pipe 120 on the left side, the guide block 20 is disposed in the guide slot 510, and when the second connecting pipe 120 is actuated, for example, when the material collection box 200 is driven to slide by the transmission mechanism, the second connecting pipe 120 is driven to slide, and then the guide block 20 is driven to move along the extending direction of the guide slot 510. Wherein, the extending direction of the guide groove 510 is parallel to the extending direction of the first slide rail 300. In this embodiment, the guide groove frames 500 are installed on the left and right first connection pipes 110, and the guide blocks 20 are installed on the left and right second connection pipes 120.
In addition, the material processing apparatus 1000 further includes a first adjusting frame 600, a second adjusting frame 700, and a third adjusting frame 800, one end of the first adjusting frame 600 is fixedly connected to the outer wall of the first connecting pipe 110, the other end of the first adjusting frame 600, the second adjusting frame 700, and the third adjusting frame 800 are sequentially connected, two ends of the second adjusting frame 700 are movably connected to the other end of the first adjusting frame 600 and the third adjusting frame 800, so that the third adjusting frame 800 is fixedly mounted on the housings or supports of other apparatuses, in this embodiment, the first adjusting frame 600, the second adjusting frame 700, and the third adjusting frame 800 are metal supports, the second adjusting frame 700 and the third adjusting frame 800 are L-shaped structures, and the lower end of the third adjusting frame 800 can be fixedly connected to the housings or supports of other apparatuses, so as to support and fix the first connecting pipe 110.
Referring to fig. 2 to 4, the sealing structure 900 includes a first connecting plate 910, a second connecting plate 920 and an annular airbag 930, specifically, the first connecting plate 910 and the second connecting plate 920 are flanges, the annular airbag 930 is an annular rubber airbag, a first material passage 911 is disposed on the first connecting plate 910, a second material passage 921 is disposed on the second connecting plate 920, the first connecting plate 910 and the second connecting plate 920 are spaced apart, an airbag passage 931 is defined inside the annular airbag 930, and the annular airbag 930 is mounted on the first connecting plate 910 around the first material passage 911.
As shown in fig. 3, the annular bladder 930 is configured to expand in an inflated state to seal the peripheral gap 10 between the first connecting plate 910 and the second connecting plate 920, so that the bladder channel 931 communicates with the first material channel 911 and the second material channel 921, and the annular bladder 930 is expanded by inflating the annular bladder 930, so that the annular bladder 930 can seal the peripheral gap 10 between the first connecting plate 910 and the second connecting plate 920, and the bladder channel 931 communicates with the first material channel 911 and the second material channel 921.
As shown in fig. 4, the annular bladder 930 is deflated so that the first material passage 911 and the second material passage 921 communicate with the external space through the peripheral gap 10, for example, when maintenance or inspection is required, the annular bladder 930 is deflated, and the annular bladder 930 is deflated so that the first material passage 911 and the second material passage 921 communicate with the external space through the peripheral gap 10, so that the first connecting plate 910 and the second connecting plate 920 can be conveniently detached, and the working efficiency is improved.
Further, the first connecting disc 910 is provided with a first annular groove 912, and a portion of the annular airbag 930 is mounted in the first annular groove 912, in this embodiment, the annular airbag 930 is mounted in the first annular groove 912 in an abutting manner, that is, the first annular groove 912 is used for accommodating the annular airbag 930, meanwhile, the second connecting disc 920 is provided with a second annular groove 922, and the annular airbag 930 is in an inflated state, and one side of the annular airbag 930 abuts in the second annular groove 922.
Referring to fig. 1 again in combination with fig. 3 and 4, the sealing structure 900 further includes an air bag solenoid valve 940 and an air source (not shown), in this embodiment, the air bag solenoid valve 940 is a two-position three-way solenoid valve, the air bag solenoid valve 940 is connected to the air source, the air source is connected to the annular air bag 930, the air bag solenoid valve 940 is used to control the air source to inflate the annular air bag 930, so that the annular air bag 930 is in an inflated state, the annular air bag 930 is inflated, the air bag channel 931 is further communicated with the first material channel 911 and the second material channel 921, and the annular air bag 930 can seal the peripheral gap 10 between the first connecting plate 910 and the second connecting plate 920.
When the first connecting disc 910 and the second connecting disc 920 need to be separated, the air bag solenoid valve 940 controls the air source to deflate the annular air bag 930, so that the annular air bag 930 is in a deflation state, for example, when maintenance or inspection is needed, the annular air bag 930 is deflated, the annular air bag 930 is contracted, the first material passage 911 and the second material passage 921 are communicated with the external space through the peripheral gap 10, and thus, the first connecting disc 910 and the second connecting disc 920 can be conveniently detached, and the operation efficiency is improved.
When the material processing apparatus 1000 needs to be maintained or inspected, the air source is controlled by the air bag solenoid valve 940, so that the annular air bag 930 is deflated, at this time, the annular air bag 930 can be completely retracted into the first annular groove 912 of the first connecting plate 910, at this time, the first connecting plate 910 and the second connecting plate 920 are disengaged, that is, the first connecting pipe 110 and the second connecting pipe 120 are disengaged, at this time, the material collection box 200 can be actuated to slide along the first sliding rail 300 and the second sliding rail 400, and meanwhile, the guide block 20 fixedly connected with the second connecting pipe 120 can also slide along the guide groove 510, the first connecting pipe 110 and the second connecting pipe 120 are not coaxially arranged any more, the material collection box 200 can be taken down, so that the material collection box 200 can be maintained or inspected, and the pipeline 100 can be inspected or maintained.
After the maintenance or the inspection is finished, the material collection box 200 is actuated reversely again until the first connecting pipe 110 and the second connecting pipe 120 are coaxial again, the air source is controlled by the air bag solenoid valve 940, the annular air bag 930 is inflated, the annular air bag 930 is expanded, the air bag passage 931 is communicated with the first material passage 911 and the second material passage 921, meanwhile, the annular air bag 930 can seal the peripheral gap 10 of the first connecting disc 910 and the second connecting disc 920, and at the moment, the first connecting disc 910 and the second connecting disc 920 are connected together again to operate normally again.
According to the sealing structure 900 and the material processing apparatus 1000 provided by the embodiment, at least the following advantages are provided:
the sealing structure 900 comprises a first connecting disc 910, a second connecting disc 920 and an annular air bag 930, wherein a first material channel 911 is arranged on the first connecting disc 910; a second material channel 921 is arranged on the second connecting disc 920, and the first connecting disc 910 and the second connecting disc 920 are arranged at intervals; the interior of the annular bladder 930 defines a bladder passage 931, and the annular bladder 930 is mounted to the first coupling plate 910 around the first material passage 911; wherein, the annular air bag 930 is used for expanding in an inflated state and sealing the peripheral gap 10 of the first connecting disc 910 and the second connecting disc 920 so that the air bag passage 931 is communicated with the first material passage 911 and the second material passage 921; or the circular air bag 930 is deflated and the circular air bag 930 is contracted when the circular air bag 930 is in a deflated state, so that the first material passage 911 and the second material passage 921 are communicated with the external space through the peripheral gap 10, the air bag 931 is communicated with the first material passage 911 and the second material passage 921 through the inflation of the circular air bag 930, meanwhile, the circular air bag 930 can seal the peripheral gap 10 of the first connecting disc 910 and the second connecting disc 920, when the maintenance or the inspection is needed, the circular air bag 930 is deflated, the circular air bag 930 is contracted, and the first material passage 911 and the second material passage 921 are communicated with the external space through the peripheral gap, so that the first connecting disc 910 and the second connecting disc 920 can be conveniently detached, and the operation efficiency is improved.
The material processing equipment 1000 comprises a pipeline 100, a material collecting box 200 and the sealing structure 900; the pipe 100 includes a first connection pipe 110 and a second connection pipe 120, an end of the first connection pipe 110 is connected to the first connection pad 910, and an end of the second connection pipe 120 is connected to the second connection pad 920; the second connection pipe 120 is installed at the material collection box 200, and serves to communicate the material collection box 200 with the first connection pipe 110, which can improve the working efficiency.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A sealing structure, comprising:
the first connecting disc (910) is provided with a first material channel (911);
the second connecting disc (920), a second material channel (921) is arranged on the second connecting disc (920), and the first connecting disc (910) and the second connecting disc (920) are arranged at intervals; and
an annular bladder (930), an interior of the annular bladder (930) defining a bladder passage (931), and the annular bladder (930) being mounted to the first interface plate (910) around the first material passage (911);
wherein the annular bladder (930) is configured to expand in an inflated state to seal a peripheral gap (10) between the first connecting plate (910) and the second connecting plate (920) such that the bladder passage (931) communicates the first material passage (911) and the second material passage (921); or used for contracting in a deflated state so that the first material passage (911) and the second material passage (921) are communicated with the external space through the peripheral gap (10).
2. The sealing structure of claim 1, characterized in that a second annular groove (922) is provided on the second connecting disc (920), and the annular balloon (930) is in an inflated state with one side of the annular balloon (930) abutting in the second annular groove (922).
3. The sealing structure of claim 1, wherein the first connecting disk (910) is provided with a first annular groove (912), and a portion of the annular bladder (930) is mounted in the first annular groove (912).
4. The sealing structure of claim 1, further comprising a bladder solenoid valve (940) and a gas source, the bladder solenoid valve (940) being connected to the gas source, the gas source being connected to the annular bladder (930), the bladder solenoid valve (940) being configured to control the inflation of the gas source to the annular bladder (930) to place the annular bladder (930) in an inflated state; or controlling the air source to deflate the annular air bag (930) so that the annular air bag (930) is in a deflated state.
5. An apparatus for processing materials, comprising: -a pipe (100), a material collection tank (200) and a sealing structure according to any of claims 1-4;
the pipeline (100) comprises a first connecting pipe (110) and a second connecting pipe (120), wherein the end of the first connecting pipe (110) is connected with the first connecting disc (910), and the end of the second connecting pipe (120) is connected with the second connecting disc (920);
the second connection pipe (120) is installed at the material collection box (200) and is used for communicating the material collection box (200) with the first connection pipe (110).
6. The material handling arrangement according to claim 5, characterized in that the material handling arrangement comprises at least two conduits (100), at least two conduits (100) being in communication with the material collection bin (200) and at least two conduits (100) being in communication with each other.
7. The material processing device according to claim 5, further comprising a guide groove frame (500) and a guide block (20), wherein the guide groove frame (500) comprises a guide groove (510) and a fixing frame (520), one end of the fixing frame (520) is fixedly connected with the guide groove (510), the other end of the fixing frame (520) is fixedly connected with the outer wall of the first connecting pipe (110), the guide block (20) is fixedly connected with the outer wall of the second connecting pipe (120), the guide block (20) is arranged in the guide groove (510), and the second connecting pipe (120) is used for driving the guide block (20) to move along the extending direction of the guide groove (510) when being actuated.
8. The material handling apparatus according to claim 7, characterized in that it further comprises a first sliding rail (300) and a second sliding rail (400), said first sliding rail (300) and said second sliding rail (400) being adapted to jointly support said material collection box (200), said material collection box (200) being adapted to be actuated to slide along the extension direction of said first sliding rail (300), the direction of extension of said second sliding rail (400) being the same as the extension direction of said first sliding rail (300).
9. The material handling apparatus according to claim 8, characterized in that the direction of extension of the guide channel (510) and the direction of extension of the first sliding track (300) are parallel.
10. The material processing device according to claim 5, further comprising a first adjusting frame (600), a second adjusting frame (700), and a third adjusting frame (800), wherein one end of the first adjusting frame (600) is fixedly connected to the outer wall of the first connecting pipe (110), the other end of the first adjusting frame (600), the second adjusting frame (700), and the third adjusting frame (800) are sequentially connected, and two ends of the second adjusting frame (700) are movably connected to the other end of the first adjusting frame (600) and the third adjusting frame (800), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692363.4U CN215981269U (en) | 2021-11-04 | 2021-11-04 | Sealing structure and material processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692363.4U CN215981269U (en) | 2021-11-04 | 2021-11-04 | Sealing structure and material processing equipment |
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| Publication Number | Publication Date |
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| CN215981269U true CN215981269U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122692363.4U Active CN215981269U (en) | 2021-11-04 | 2021-11-04 | Sealing structure and material processing equipment |
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| CN (1) | CN215981269U (en) |
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- 2021-11-04 CN CN202122692363.4U patent/CN215981269U/en active Active
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