CN220658273U - Screening device for chrysanthemum tea processing - Google Patents
Screening device for chrysanthemum tea processing Download PDFInfo
- Publication number
- CN220658273U CN220658273U CN202322012626.1U CN202322012626U CN220658273U CN 220658273 U CN220658273 U CN 220658273U CN 202322012626 U CN202322012626 U CN 202322012626U CN 220658273 U CN220658273 U CN 220658273U
- Authority
- CN
- China
- Prior art keywords
- face
- frame
- chrysanthemum tea
- motor
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000007516 Chrysanthemum Nutrition 0.000 title claims abstract description 47
- 238000012216 screening Methods 0.000 title claims abstract description 46
- 238000012545 processing Methods 0.000 title claims abstract description 25
- 244000269722 Thea sinensis Species 0.000 title claims abstract 11
- 244000189548 Chrysanthemum x morifolium Species 0.000 title 1
- 238000004140 cleaning Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 241000723353 Chrysanthemum Species 0.000 claims abstract description 46
- 239000012535 impurity Substances 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 21
- 238000007873 sieving Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000010405 clearance mechanism Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000012634 fragment Substances 0.000 abstract description 4
- 241001122767 Theaceae Species 0.000 description 34
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
Landscapes
- Tea And Coffee (AREA)
Abstract
The utility model discloses a screening device for chrysanthemum tea processing, which comprises a supporting mechanism and a screening mechanism, wherein the screening mechanism is obliquely arranged, the bottom of the screening mechanism is connected with the supporting mechanism, the screening mechanism comprises a trash discharging frame and a mounting frame, the mounting frame is arranged on the upper end face of the trash discharging frame, a vibrating motor is arranged on the lower end face of the trash discharging frame, a discharging plate is arranged on the right end face of the mounting frame, a screen plate is arranged on the inner wall of the mounting frame, the upper end face of the supporting mechanism is connected with the lower end face of the trash discharging frame, a cleaning mechanism capable of cleaning the lower end face of the screen plate is arranged in the trash discharging frame, and the cleaning end of the cleaning mechanism is in contact with the lower end face of the screen plate. According to the utility model, the cleaning mechanism is started, so that impurities and fragments on the lower surface of the sieve plate can be conveniently and effectively removed, the impurities and fragments are prevented from adhering to the lower surface of the sieve plate, the influence of the impurities and the fragments on the quality of chrysanthemum tea is reduced, and the product quality is ensured.
Description
Technical Field
The utility model relates to the technical field of chrysanthemum tea processing, in particular to a screening device for chrysanthemum tea processing.
Background
In order to remove impurities and particles in chrysanthemum and improve the quality and taste of tea soup, chrysanthemum tea is usually screened when being prepared.
The Chinese patent 20202280555. X discloses a rapid screening device for chrysanthemum tea processing, which belongs to the technical field of chrysanthemum tea production equipment and comprises two groups of side plates, wherein a fixed plate is fixedly connected between the two groups of side plates, a motor is arranged on the fixed plate, a bevel gear a is fixedly connected to an output shaft of the motor, the bevel gear a is meshed with a bevel gear b, the bevel gear b is fixedly connected to the middle end of a rotating shaft a, and a transmission gear a is fixedly connected to the outer side wall, close to two ends, of the rotating shaft a; the cam rotates and drives the swinging rod to swing reciprocally through the connecting rod, so that swinging screening work is carried out on the swinging frame and the screen, impurities can be rapidly screened out, repeated screening work is not needed, screening efficiency is improved, dust on chrysanthemum raw materials can be blown away by wind power generated by rotation of the fan blades, dust and the like attached to the chrysanthemum raw materials can be removed, functions are improved, and the whole device is driven by only a single motor, so that manufacturing cost is saved. But foretell quick sieving mechanism for chrysanthemum tea processing accomplish the back when using, have certain piece and impurity to be located the lower surface of sieve, and when clearing up, can only clear up the upper surface of sieve usually, and it is inconvenient to clear up the lower surface of sieve, so proposes a sieving mechanism of chrysanthemum tea processing to solve above problem.
Disclosure of Invention
Object of the utility model
In order to solve the technical problems in the background art, the utility model provides the screening device for processing the chrysanthemum tea, which can conveniently and effectively remove impurities and fragments on the lower surface of the screen plate through the cleaning mechanism, and solves the problem that the lower surface of the screen plate is inconvenient to clean.
(II) technical scheme
The utility model provides a screening device for chrysanthemum tea processing, which comprises a supporting mechanism and a screening mechanism, wherein the screening mechanism is obliquely arranged, the bottom of the screening mechanism is connected with the supporting mechanism, the screening mechanism comprises a trash discharging frame and a mounting frame, the mounting frame is arranged on the upper end face of the trash discharging frame, the lower end face of the trash discharging frame is provided with a vibrating motor, the right end face of the mounting frame is provided with a stripper plate, the inner wall of the mounting frame is provided with a screen plate, the upper end face of the supporting mechanism is connected with the lower end face of the trash discharging frame, a cleaning mechanism capable of cleaning the lower end face of the screen plate is arranged in the trash discharging frame, and the cleaning end of the cleaning mechanism is contacted with the lower end face of the screen plate.
Preferably, the cleaning mechanism comprises a moving component and a cleaning component, the moving component is arranged on the inner bottom wall of the impurity removing frame, the moving end of the moving component is connected with the bottom of the cleaning component, and the cleaning end of the cleaning component is in contact with the lower end face of the sieve plate.
Preferably, the movable assembly comprises a threaded rod, a sliding plate, a sliding block, a movable block and a first motor, wherein the first motor is arranged on the left end face of the impurity discharging frame, the output end of the first motor is coaxially connected with the threaded rod through a coupler, the threaded rod penetrates through the left side wall of the impurity discharging frame and extends to the right side, the sliding plate is arranged on the inner bottom wall of the impurity discharging frame and is positioned below the threaded rod, the threaded rod penetrates through the middle part of the movable block in threaded connection with the threaded rod, the sliding block is arranged on the lower end face of the movable block, sliding connection is arranged between the sliding block and a sliding groove on the upper side of the sliding plate, and the upper end face of the movable block is connected with the cleaning assembly.
Preferably, the cleaning assembly comprises a supporting plate, a mounting plate, a second motor and a cleaning rod, wherein the supporting plate is arranged on the upper end face of the moving block, two ends of the upper end face of the supporting plate are connected with the mounting plate, the second motor is positioned on the front side wall of the front side mounting plate, one end of the cleaning rod is connected with the rear side mounting plate in a rotating mode, and the other end of the cleaning rod penetrates through the front side mounting plate and is coaxially connected with the output end of the second motor.
Preferably, the motor further comprises a slot, the slot penetrates through the front side wall of the impurity removing frame, and the second motor penetrates through the front side wall of the impurity removing frame through the slot.
Preferably, the supporting mechanism comprises connecting plates, supporting legs and buffer assemblies, the number of the supporting legs is four, the upper end faces of the supporting legs are all connected with the buffer assemblies, connecting rods are connected between two adjacent supporting legs, and the four buffer assemblies are connected with the lower end faces of the impurity removing frames through the two connecting plates.
Preferably, the buffer assembly comprises a vibration spring and a damper, wherein the supporting legs are connected with the connecting plate through the damper, and the vibration spring is sleeved on the outer end face of the damper.
Preferably, the upper end face of the mounting frame is detachably connected with a splash-proof falling frame, and one end, far away from the stripper plate, of the upper end face of the splash-proof falling frame is penetrated with a feed hole.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:
1. according to the chrysanthemum tea processing screening device, after screening is finished, impurities and scraps on the lower surface of the screen plate can be conveniently and effectively removed by starting the cleaning mechanism, the impurities and scraps are prevented from being attached to the lower surface of the screen plate, the influence of the impurities and scraps on the quality of chrysanthemum tea is reduced, and the product quality is ensured; and the required manpower and time cost can be greatly reduced, and the workload and cost of manual cleaning are reduced.
2. This sieving mechanism of chrysanthemum tea processing, when screening chrysanthemum tea, will wait to screen the chrysanthemum tea of waiting to screen earlier through the feed inlet and pour into on the sieve to when starting sieving mechanism, screening chrysanthemum tea, can prevent through the frame that splashes that the chrysanthemum tea splashes out in the screening process.
Drawings
Fig. 1 is a schematic structural diagram of a screening device for chrysanthemum tea processing.
Fig. 2 is a right side view of a screening device for chrysanthemum tea processing.
Fig. 3 is a cross-sectional view of a screening device for chrysanthemum tea processing.
Fig. 4 is an enlarged view of a screening device for chrysanthemum tea processing in fig. 3.
Reference numerals: 1. a first motor; 2. a feed hole; 3. a second motor; 4. a slide block; 5. a splash-proof frame; 6. a mounting frame; 7. slotting; 8. a stripper plate; 9. a connecting plate; 10. a vibration spring; 11. a damper; 12. support legs; 13. a connecting rod; 14. a vibration motor; 15. a trash removing frame; 16. a mounting plate; 17. cleaning a rod; 18. a threaded rod; 19. a sliding plate; 20. a sieve plate; 21. a support plate; 22. and (5) moving the block.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, welded, riveted, bonded, etc., or may be a removable connection, threaded connection, keyed connection, pinned connection, etc., or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-4, the screening device for chrysanthemum tea processing provided by the utility model comprises a supporting mechanism and a screening mechanism, wherein the screening mechanism is obliquely arranged, the bottom of the screening mechanism is connected with the supporting mechanism, the screening mechanism is obliquely arranged right, the screening mechanism comprises a trash discharging frame 15 and a mounting frame 6, the mounting frame 6 is arranged on the upper end face of the trash discharging frame 15, a vibrating motor 14 is arranged on the lower end face of the trash discharging frame 15, a stripper plate 8 is arranged on the right end face of the mounting frame 6, a screen plate 20 is arranged on the inner wall of the mounting frame 6, the upper end face of the supporting mechanism is connected with the lower end face of the trash discharging frame 15, a cleaning mechanism capable of cleaning the lower end face of the screen plate 20 is arranged in the trash discharging frame 15, and the cleaning end of the cleaning mechanism is in contact with the lower end face of the screen plate 20.
According to the utility model, firstly, an impurity collecting box and a chrysanthemum tea collecting box are respectively placed below the discharge holes of the slotting 7 and the discharge plate 8, then, the vibrating motor 14 is started, chrysanthemum tea to be screened can be placed on the left side of the upper end face of the screen plate 20, so that the screen plate 20 is driven to vibrate, the chrysanthemum tea is screened, the screened impurities and scraps fall on the inner bottom wall of the impurity discharging frame 15 through the screen plate 20, finally, the screened chrysanthemum tea falls into the impurity collecting box through the discharge hole of the chrysanthemum tea collecting box, and the screened chrysanthemum tea falls into the chrysanthemum tea collecting box through the discharge plate 8.
In an alternative embodiment, the cleaning mechanism comprises a moving assembly and a cleaning assembly, the moving assembly is arranged on the inner bottom wall of the impurity removing frame 15, the moving end of the moving assembly is connected with the bottom of the cleaning assembly, and the cleaning end of the cleaning assembly is in contact with the lower end face of the screen plate 20.
It should be noted that, when cleaning the lower end face of the screen plate 20, the moving assembly and the cleaning assembly are synchronously started, the moving assembly drives the cleaning assembly to move, and the cleaning assembly can clean impurities and chips attached to the lower end of the screen plate 20.
Preferably, the moving assembly comprises a threaded rod 18, a sliding plate 19, a sliding block 4, a moving block 22 and a first motor 1, wherein the first motor 1 is arranged on the left end face of the impurity discharging frame 15, the output end of the first motor 1 is coaxially connected with the threaded rod 18 through a coupler, the threaded rod 18 penetrates through the left side wall of the impurity discharging frame 15 and extends to the right side, the sliding plate 19 is arranged on the inner bottom wall of the impurity discharging frame 15 and is positioned below the threaded rod 18, the threaded rod 18 penetrates through the middle part of the moving block 22 in threaded connection with the threaded rod 18, the sliding block 4 is arranged on the lower end face of the moving block 22, the sliding block 4 is in sliding connection with a sliding groove on the upper side of the sliding plate 19, the upper end face of the moving block 22 is connected with the cleaning assembly, the cleaning assembly comprises a supporting plate 21, a mounting plate 16, a second motor 3 and a cleaning rod 17, two ends of the upper end face of the supporting plate 21 are all connected with the mounting plate 16, the second motor 3 is positioned on the front side wall of the mounting plate 16 on the front side, one end of the cleaning rod 17 is rotationally connected with the rear side mounting plate 16, the other end of the cleaning rod 17 penetrates through the front side motor 16 and is coaxially connected with the second motor 3 and the second side wall 7 penetrates through the groove 7 and penetrates through the second side wall 7 and penetrates through the groove 7 and penetrates through the front side wall 7 of the second side wall of the impurity discharging frame 15.
It should be noted that, the first motor 1 is started, the first motor 1 may drive the threaded rod 18 to rotate forward or rotate reversely, so as to drive the moving block 22 to move left and right, the moving block 22 moves left and right and drives the sliding block 4 to slide in the chute above the sliding plate 19, so as to drive the supporting plate 21 to move synchronously, and the second motor 3 is started, the second motor 3 may drive the cleaning rod 17 to rotate, and the moving block 22 drives the supporting plate 21 to move, so that the debris and impurities on the lower end face of the screen plate 20 are cleaned by the rotating cleaning rod 17.
In an alternative embodiment, the supporting mechanism comprises a connecting plate 9, supporting legs 12 and buffer components, the number of the supporting legs 12 is four, the upper end faces of the supporting legs are all connected with the buffer components, connecting rods 13 are connected between two adjacent supporting legs 12, the four buffer components are connected with the lower end face of the impurity removing frame 15 through the two connecting plates 9, the buffer components comprise a vibrating spring 10 and a damper 11, the supporting legs 12 are connected with the connecting plates 9 through the damper 11, and the vibrating spring 10 is sleeved on the outer end face of the damper 11.
When the vibration motor 14 is started, the impurity removing frame 15 also drives the vibration spring 10 and the damper 11 to vibrate, and the connecting rod 13 is connected between two adjacent support legs 12, so that the stability between the two support legs 12 can be improved
In an alternative embodiment, the upper end surface of the mounting frame 6 is detachably connected with a splash-proof frame 5, and a feed hole 2 penetrates through the upper end surface of the splash-proof frame 5 and the end far away from the stripper plate 8.
It should be noted that, when screening chrysanthemum tea, will wait to screen the chrysanthemum tea through feed inlet 2 earlier and pour into on sieve 20 to when starting sieving mechanism, when screening chrysanthemum tea, can prevent through splashproof frame 5 that chrysanthemum tea from splashing at the screening process, and can dismantle splashproof frame 5, be convenient for clear up.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (8)
1. The utility model provides a sieving mechanism of chrysanthemum tea processing, includes supporting mechanism and screening mechanism, screening mechanism for the slope setting and the bottom with supporting mechanism is connected, screening mechanism includes trash removal frame (15) and mounting bracket (6), mounting bracket (6) are located on the up end of trash removal frame (15), the lower terminal surface of trash removal frame (15) is equipped with vibrating motor (14), the right-hand member face of mounting bracket (6) is equipped with stripper (8), be equipped with sieve (20) on the inner wall of mounting bracket (6), supporting mechanism's up end with the lower terminal surface of trash removal frame (15) is connected, a serial communication port, the inside of trash removal frame (15) is equipped with can be right the clearance mechanism that the terminal surface was cleared up under sieve (20), clearance end of clearance mechanism with the lower terminal surface of sieve (20) contacts.
2. The chrysanthemum tea processing screening device according to claim 1, wherein the cleaning mechanism comprises a moving assembly and a cleaning assembly, the moving assembly is arranged on the inner bottom wall of the impurity removing frame (15), the moving end of the moving assembly is connected with the bottom of the cleaning assembly, and the cleaning end of the cleaning assembly is in contact with the lower end face of the sieve plate (20).
3. The screening device for chrysanthemum tea processing according to claim 2, wherein the moving assembly comprises a threaded rod (18), a sliding plate (19), a sliding block (4), a moving block (22) and a first motor (1), the first motor (1) is arranged on the left end face of the impurity discharging frame (15), the output end of the first motor (1) is coaxially connected with the threaded rod (18) through a coupling, the threaded rod (18) penetrates through the left side wall of the impurity discharging frame (15) and extends to the right side, the sliding plate (19) is arranged on the inner bottom wall of the impurity discharging frame (15) and is positioned below the threaded rod (18), the threaded rod (18) penetrates through the middle part of the moving block (22) in threaded connection with the threaded rod, the sliding block (4) is arranged on the lower end face of the moving block (22), the sliding block (4) is in sliding connection with a sliding groove on the upper side of the sliding plate (19), and the upper end face of the moving block (22) is connected with the cleaning assembly.
4. A chrysanthemum tea processing screening device according to claim 3, characterized in that, the clearance subassembly includes backup pad (21), mounting panel (16), second motor (3) and clearance pole (17), backup pad (21) are located on the up end of movable block (22), the both ends of backup pad (21) up end all with mounting panel (16) are connected, second motor (3) are located the preceding lateral wall of mounting panel (16) of front side, the one end of clearance pole (17) with the rear side be connected for rotating between mounting panel (16), the other end of clearance pole (17) run through in front side mounting panel (16) and with the output coaxial coupling of second motor (3).
5. The chrysanthemum tea processing screening device according to claim 4, further comprising a slot (7), wherein the slot (7) penetrates through the front side wall of the impurity removing frame (15), and the second motor (3) penetrates through the front side wall of the impurity removing frame (15) through the slot (7).
6. The screening device for chrysanthemum tea processing according to claim 1, wherein the supporting mechanism comprises a connecting plate (9), supporting legs (12) and buffer components, the number of the supporting legs (12) is four, the upper end faces of the supporting legs are all connected with the buffer components, connecting rods (13) are connected between two adjacent supporting legs (12), and the four buffer components are connected with the lower end faces of the impurity removing frames (15) through the two connecting plates (9).
7. The chrysanthemum tea processing screening device according to claim 6, wherein the buffer assembly comprises a vibration spring (10) and a damper (11), the supporting leg (12) is connected with the connecting plate (9) through the damper (11), and the vibration spring (10) is sleeved on the outer end face of the damper (11).
8. The screening device for chrysanthemum tea processing according to claim 1, wherein the upper end face of the mounting frame (6) is detachably connected with a splash-proof frame (5), and one end, far away from the stripper plate (8), of the upper end face of the splash-proof frame (5) is penetrated with a feeding hole (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322012626.1U CN220658273U (en) | 2023-07-28 | 2023-07-28 | Screening device for chrysanthemum tea processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322012626.1U CN220658273U (en) | 2023-07-28 | 2023-07-28 | Screening device for chrysanthemum tea processing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220658273U true CN220658273U (en) | 2024-03-26 |
Family
ID=90336297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322012626.1U Active CN220658273U (en) | 2023-07-28 | 2023-07-28 | Screening device for chrysanthemum tea processing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220658273U (en) |
-
2023
- 2023-07-28 CN CN202322012626.1U patent/CN220658273U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN218531766U (en) | Automatic change vibrations screening device | |
CN212017975U (en) | Konjaku dry piece fine powder machine with impurity filtering capability | |
CN111701852B (en) | Building sand screening device | |
CN220658273U (en) | Screening device for chrysanthemum tea processing | |
CN218502613U (en) | Quick sieving mechanism of root of kudzu vine piece | |
CN214515927U (en) | Oscillating screen convenient to clean | |
CN214320449U (en) | Ball-milling device for ceramic machining | |
CN213668289U (en) | Water-sand separation buffer mechanism for quartz sand processing | |
CN210935849U (en) | Cereal screening plant | |
CN219683285U (en) | Gravity stoner capable of automatically cleaning impurities on screen surface | |
CN218691830U (en) | A discharge gate cleaning device for shot-blasting machine | |
CN218747905U (en) | Waste discharge and die cutting device for protective film | |
CN221157599U (en) | Raw material screening device for cake processing | |
CN216064106U (en) | Sieving mechanism for mineral processing | |
CN220345965U (en) | Screening structure for secondary crushing of solid waste | |
CN221086370U (en) | Raw material screening equipment for edible oil production | |
CN219985315U (en) | Raw material screen drum with automatic cleaning function | |
CN218875560U (en) | Herbal pieces-is with medicine cutting machine with screening mechanism | |
CN217165293U (en) | Chemical industry powder processing is with edulcoration and screening integration equipment | |
CN218198896U (en) | Filling device for feed production capable of removing feed powder residues | |
CN219597993U (en) | Sand processing apparatus is used in well lid foundry | |
CN220697437U (en) | Rice bran screening mechanism | |
CN220803734U (en) | Meat sausage auxiliary material sieving mechanism | |
CN214440932U (en) | Rice milling equipment is with high-efficient vibration clearance sieve | |
CN217450908U (en) | Herbal pieces-uses medicine cutting machine with screening mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |