CN210275820U - Continuous conveying mechanism for fungus processing - Google Patents
Continuous conveying mechanism for fungus processing Download PDFInfo
- Publication number
- CN210275820U CN210275820U CN201920999699.5U CN201920999699U CN210275820U CN 210275820 U CN210275820 U CN 210275820U CN 201920999699 U CN201920999699 U CN 201920999699U CN 210275820 U CN210275820 U CN 210275820U
- Authority
- CN
- China
- Prior art keywords
- storage frame
- material storage
- cleaning box
- sliding
- rope
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
A continuous conveying mechanism for processing bacteria comprises a base, a horizontal moving assembly, a winding assembly, a cleaning box, a rope, a material storage frame, a rotating table and a first driving device; the base is provided with a frame and a cleaning box; a rotating platform is arranged in the cleaning box; the rotating platform is in transmission connection with a first driving device arranged on the cleaning box through a rotating shaft; the end surface of the rotating platform facing the opening of the cleaning box is provided with a placing groove; a positioning column is arranged on the bottom surface of the placing groove; one end of the rope is respectively connected with a winding assembly for winding and unwinding the rope; the winding assembly is arranged on the horizontal moving assembly used for pushing the winding assembly to move; the other end of the rope is detachably connected with a material storage frame for storing fungi to be cleaned; a cover plate is arranged at the opening of the material storage frame, and a positioning groove is arranged on the bottom surface of the material storage frame; the material storage frame moves downwards into the placing groove, and the positioning columns are respectively inserted into the positioning grooves. The utility model discloses can treat abluent fungus class and connect the transport, and it is high to the good cleaning efficiency of fungus class cleaning performance.
Description
Technical Field
The utility model relates to a fungus class cleaning equipment technical field especially relates to a fungus class processing continuous conveyor constructs.
Background
Fungi are a large family, which is ubiquitous. Currently, about 10 or more species of fungi are known. The fungi have simple structure, no organs such as roots, stems, leaves and the like, and generally no pigments such as chlorophyll and the like. General name of edible macro fungi for people on fungi; the fungi specifically refers to large fungi capable of forming fruiting body with colloid or meat quality or dredging river tissue, and can be edible or medicinal. With the development of agricultural technologies, more and more fungi with rich nutrition are artificially planted, such as oyster mushrooms, agaricus bisporus, shiitake mushrooms, pleurotus eryngii and the like; after the fungus is harvested, the fungus needs to be cleaned to remove residual soil, impurities and the like on the fungus; the washing to the fungus class is artifical one by one generally and carries out the hand washing to the fungus class, causes the fungus class to leak easily among the manual cleaning process and washes and rinse unclean problem, and manual cleaning takes trouble in addition and is difficult inefficiency, influences the progress to the follow-up processing of fungus class greatly.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a continuous conveying mechanism for fungus processing, which can clean a large amount of fungus by the one-time performance of the arranged material storage frame and has good cleaning effect; in addition, the sequential feeding, cleaning and discharging processes of the fungi to be cleaned can be carried out, so that the working efficiency is greatly improved.
(II) technical scheme
In order to solve the problems, the utility model provides a continuous conveying mechanism for processing bacteria, which comprises a base, a frame, a horizontal moving component, a winding component, a cleaning box, a rope, a material storage frame, a cover plate, a rotating platform, a rotating shaft and a first driving device;
the base is provided with a rack and is connected with the cleaning box through a support column; water for cleaning mushroom is stored in the cleaning box, and a rotating table is arranged in the cleaning box; the lower end of the rotating platform is connected with the rotating shaft; the rotating shaft is in transmission connection with a first driving device arranged on the cleaning box; the end surface of the rotating platform facing the opening of the cleaning box is provided with a placing groove; a positioning column is arranged on the bottom surface of the placing groove;
one end of the rope is respectively connected with a winding assembly for winding and unwinding the rope; the winding assembly is arranged on a horizontal moving assembly used for pushing the winding assembly to move along the length direction of the base; the horizontal moving assembly is arranged on the rack and is positioned at one end far away from the base; the other end of the rope is detachably connected with a material storage frame for storing fungi to be cleaned;
a cover plate for preventing fungi from being separated from the material storage frame is detachably arranged at the opening of the material storage frame, and a positioning groove is formed in the bottom surface of the material storage frame; the material storage frame moves downwards into the placing groove, and the positioning columns are respectively inserted into the positioning grooves.
Preferably, the distance value that the winding assembly moves along the length direction of the base is not less than the length value of the base.
Preferably, the bottom surface of the cleaning box is obliquely arranged; the bottom surface of the cleaning box is provided with a drain hole; a drain pipe is arranged in the drain hole; the drain pipe is provided with a stop valve.
Preferably, the horizontal movement assembly includes a second driving device, a fixed plate, a threaded rod, a guide rod, a first sliding plate and a second sliding plate;
the fixed plates are arranged on the rack side by side; a vertical second mounting hole is formed in the second sliding plate; the threaded rod is screwed into the first mounting hole in a threaded manner, two ends of the threaded rod are respectively connected with the fixing plate in a rotating manner, and the threaded rod is connected with the second driving device in a transmission manner; the guide rod penetrates through the second mounting hole, the guide rod is connected with the second sliding plate in a sliding mode, and two ends of the guide rod are connected with the fixing plate respectively.
Preferably, the winding assembly comprises a winding shaft and a third driving device; the winding shaft is in transmission connection with a third driving device.
Preferably, a first mounting plate is arranged on the inner wall of the material storage frame; vertical third mounting holes are respectively formed in the first mounting plate; a vertical fourth mounting hole is formed in the cover plate; fastening pieces are respectively arranged in the fourth mounting holes; the fastening pieces are screwed into the third mounting holes respectively.
Preferably, the material storage frame is provided with a circular ring; the circular rings are respectively connected with hooks arranged on the ropes.
Preferably, the material storage frame is of a cylindrical structure.
Preferably, guide plates are uniformly arranged on the outer end face of the material storage frame in a circumferential manner; the guide plates are respectively inserted into vertical sliding grooves formed in the inner wall of the mounting groove in a sliding mode.
Preferably, the lower end surface of the rotating platform is provided with an annular chute; a sliding part is arranged in the annular sliding groove in a sliding manner; the sliding parts are respectively arranged on the supporting rods; the supporting rods are respectively connected with the bottom surface of the cleaning box.
The above technical scheme of the utility model has following profitable technological effect:
the utility model stores the fungus to be cleaned through the arranged material storage frame, and then the material storage frame is placed on the rotary table in the cleaning box; the rotating table rotates to drive the material storage frame to rotate in water, so that fungi in the material storage frame can be effectively cleaned; the cleaning efficiency of the fungus is greatly improved;
in addition, the material storage frame for storing the fungi to be cleaned is sequentially conveyed through the winding assembly and the horizontal moving assembly so as to complete the feeding, cleaning and discharging of the fungi to be cleaned; continuous conveying of the fungus cleaning process is realized; greatly improving the working efficiency.
Drawings
Fig. 1 is a schematic structural view of a continuous conveying mechanism for processing fungi according to the present invention.
Fig. 2 is a schematic structural view of a part a of the continuous conveying mechanism for processing bacteria, which is enlarged locally.
Fig. 3 is a schematic structural view of the part B of the continuous conveying mechanism for processing bacteria, which is enlarged locally.
Fig. 4 is a schematic structural view of a part C of the continuous conveying mechanism for processing bacteria according to the present invention.
Fig. 5 is a top view of the material storage frame in the continuous conveying mechanism for processing bacteria according to the present invention.
Fig. 6 is the utility model provides a winding assembly's mounting structure sketch map among the continuous conveying mechanism of fungus processing.
Reference numerals: 1. a base; 2. a frame; 3. a drain pipe; 4. a check valve; 5. a cleaning tank; 6. a second driving device; 7. a fixing plate; 8. a threaded rod; 9. a rope; 10. a first sliding plate; 11. a spool; 12. a third driving device; 13. a second sliding plate; 14. a first mounting hole; 15. a second mounting hole; 16. a circular ring; 17. a material storage frame; 18. a cover plate; 19. a first mounting plate; 20. a tightening piece; 21. a rotating table; 22. a support bar; 23. a slider; 24. a positioning column; 25. a rotating shaft; 26. a first driving device; 27. a third mounting hole; 28. a guide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides a continuous conveying mechanism for processing bacteria, which comprises a base 1, a frame 2, a horizontal moving component, a winding component, a cleaning box 5, a rope 9, a material storage frame 17, a cover plate 18, a rotating platform 21, a rotating shaft 25 and a first driving device 26;
the base 1 is provided with a frame 2, and the length of the frame 2 far away from the upper end surface of the base 1 is greater than that of the base 1; when fungus is cleaned, one side of the base 1 is used for feeding fungus to be cleaned, and the other side of the base 1 is used for feeding the cleaned fungus; a feeding station, a cleaning station and a discharging station are formed in the length direction of the base 1, so that the continuous conveying of fungus cleaning is realized, the fungus cleaning efficiency is greatly improved, and the cleaning time is shortened;
the cleaning box 5 is connected with the base 1 through a support column, water for cleaning mushroom is stored in the cleaning box 5, and a rotating table 21 is arranged in the cleaning box 5;
the lower end of the rotating platform 21 is connected with a rotating shaft 25; the rotating shaft 25 is in transmission connection with a first driving device 26 arranged on the cleaning box 5; further, when the first driving device 26 is waterproof, the first driving device 26 is arranged in the cleaning tank 5; when the first driving device 26 is a variable frequency motor, the first driving device 26 is arranged on the lower end surface of the cleaning box 5, the rotating shaft 25 is rotatably connected with the cleaning box 5, and the rotating shaft 25 and the cleaning box 5 are arranged in a sealing manner;
a placing groove is arranged on the end surface of the rotating platform 21 facing the opening of the cleaning box 5; a positioning column 24 is arranged on the bottom surface of the placing groove;
one end of the rope 9 is respectively connected with a winding assembly for winding and unwinding the rope 9; the winding assembly is arranged on a horizontal moving assembly for pushing the winding assembly to move along the length direction of the base 1; the horizontal moving component is arranged on the frame 2 and is positioned at one end far away from the base 1; the other end of the rope 9 is detachably connected with a material storage frame 17 for storing fungi to be cleaned; the material storage frame 17 is used for placing fungi to be cleaned, and has a 17-bit hollow structure;
a cover plate 18 for preventing fungi from being separated from the material storage frame 17 is detachably arranged at the opening of the material storage frame 17, and a positioning groove is arranged on the bottom surface of the material storage frame 17; the material storage frame 17 moves downwards into the placing groove, and the positioning columns 24 are respectively inserted into the positioning grooves.
In the utility model, when in use, fungi to be cleaned are loaded into the storage frame 17, the cover plate 18 is arranged on the storage frame 17, the rope 9 is respectively connected with the storage frame 17, the rope 9 is driven by the winding assembly to shorten and drive the storage frame 17 to move upwards, and the horizontal moving assembly pushes the storage frame 17 to move from one side of the base 1 to the cleaning box 5; when the material storage frame 17 moves above the cleaning box 5, the rope 9 extends, the material storage frame 17 falls into the cleaning box 5, the material storage frame 17 extends into the placing groove, the material storage frame 17 compresses the bottom surface of the placing groove, and the positioning column 24 extends into the positioning groove; separating the rope 9 from the storage frame 17;
the first driving device 26 operates to drive the rotating platform 21 to rotate; thereby driving the material storage frame 17 to rotate in the water, and cleaning the fungus; after cleaning, the material storage frame 17 is taken out from the cleaning box 5, and the material storage frame 17 is taken down from the other side of the base 1; the operation is repeated to clean the fungus in the other end material storage frame 17 at the other side of the base 1, so that the labor cost is greatly reduced.
In an alternative embodiment, the distance value that the winding assembly moves along the length direction of the base 1 is not less than the length value of the base 1, so that the winding assembly can load and unload on two sides of the base 1 along two sides of the horizontal moving assembly.
In an alternative embodiment, the bottom surface of the washing tank 5 is inclined; the bottom surface of the cleaning box 5 is provided with a drain hole; a drain pipe 3 is arranged in the drain hole; the drain pipe 3 is provided with a stop valve 4; impurities and the like generated in the cleaning process fall to the bottom of the cleaning tank 5, enter the drain hole along the inclined bottom surface of the cleaning tank 5 and are discharged from the drain pipe 3;
furthermore, a drain hole is also arranged on the bottom surface of the cleaning box 5; the drain hole is positioned on one side of the inclined bottom surface far away from the drain hole, and the cleaned water is drained from the drain hole and enters the purification box; a plurality of layers of filter screens for filtering impurities are arranged in the purifying box; the filtered water is conveyed into the cleaning tank 5 again by the water pump, thereby realizing the recycling of the water.
In an alternative embodiment, the horizontal movement assembly comprises a second driving means 6, a fixed plate 7, a threaded rod 8, a guide rod, a first sliding plate 10 and a second sliding plate 13;
the fixed plates 7 are arranged on the frame 2 side by side; a vertical second mounting hole 15 is formed on the second sliding plate 13; the threaded rod 8 is screwed into the first mounting hole 14 respectively, two ends of the threaded rod 8 are respectively connected with the fixing plate 7 in a rotating mode, and the threaded rod 8 is connected with the second driving device 6 in a transmission mode; the second driving device 6 adopts a variable frequency motor;
the guide rod passes through the second mounting hole 15, the guide rod is slidably connected with the second sliding plate 13, and two ends of the guide rod are respectively connected with the fixed plate 7.
Further, the first sliding plate 10 and the second sliding plate 13 are connected by a wire winding assembly.
The second driving device 6 drives the threaded rod 8 to rotate, the first sliding plate 10 is in threaded connection with the threaded rod 8, and the first sliding plate 10, the second sliding plate 13 and the winding assembly move circularly along the guide rod; and then the winding assembly is driven to move along the length direction of the base 1.
In an alternative embodiment, the winding assembly comprises a winding shaft 11 and a third driving device 12; the winding shaft 11 is in transmission connection with a third driving device 12; the third driving device 12 is a variable frequency motor; two ends of the winding shaft 11 are respectively and rotatably connected with the first sliding plate 10 and the second sliding plate 13; the third driving means 12 rotates the spool 11 to wind the rope 9 on the spool 11 or to separate the rope 9 from the spool 11; to avoid loosening of the rope 9; a weight is disposed at an end of the rope 9 remote from the spool 11.
In an alternative embodiment, the inner wall of the stock frame 17 is provided with a first mounting plate 19; the first mounting plates 19 are respectively provided with vertical third mounting holes 27; a vertical fourth mounting hole is formed in the cover plate 18; a fastening piece 20 is respectively arranged in the fourth mounting holes; the tightening pieces 20 are screwed into the third mounting holes 27, respectively; the cover plate 18 can be detachably arranged on the material storage frame 17 through the arranged fastening piece 20, so that the cover plate 18 is prevented from being separated from the material storage frame 17 when the material storage frame 17 rotates along with the rotating platform 21.
In an alternative embodiment, the material storage frame 17 is provided with a circular ring 16; the circular rings 16 are respectively connected with hooks arranged on the ropes 9; the rope 9 is connected with the material storage frame 17 by hanging the hook and the circular ring 16, so that the operation is simple and the use is convenient.
In an alternative embodiment, the stock frame 17 is of cylindrical configuration.
In an alternative embodiment, the outer end surface of the material storage frame 17 is provided with guide plates 28 uniformly along the circumference; the guide plates 28 are respectively inserted into vertical sliding chutes arranged on the inner wall of the mounting groove in a sliding manner; the guide plate 28 is provided so that the storage frame 17 can be quickly placed in the mounting groove.
In an alternative embodiment, the lower end surface of the rotating platform 21 is provided with an annular chute; a sliding part 23 is arranged in the annular sliding groove in a sliding way; the sliders 23 are respectively arranged on the support rods 22; the supporting rods 22 are respectively connected with the bottom surface of the cleaning box 5; the rotating table 21 is supported by a supporting rod 22; the stability of the operation is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The continuous conveying mechanism for the processing of the fungi is characterized by comprising a base (1), a rack (2), a horizontal moving assembly, a winding assembly, a cleaning box (5), a rope (9), a material storage frame (17), a cover plate (18), a rotating table (21), a rotating shaft (25) and a first driving device (26);
the base (1) is provided with a frame (2), and the base (1) is connected with a cleaning box (5) through a support column; water for cleaning mushrooms is stored in the cleaning box (5), and a rotating table (21) is arranged in the cleaning box (5); the lower end of the rotating platform (21) is connected with a rotating shaft (25); the rotating shaft (25) is in transmission connection with a first driving device (26) arranged on the cleaning box (5); a placing groove is arranged on the end surface of the rotating platform (21) facing the opening of the cleaning box (5); a positioning column (24) is arranged on the bottom surface of the placing groove;
one end of the rope (9) is respectively connected with a winding assembly for taking up and paying off the rope (9); the winding assembly is arranged on a horizontal moving assembly used for pushing the winding assembly to move along the length direction of the base (1); the horizontal moving component is arranged on the rack (2) and is positioned at one end far away from the base (1); the other end of the rope (9) is detachably connected with a material storage frame (17) for storing fungi to be cleaned;
a cover plate (18) used for preventing fungi from separating from the storage frame (17) is detachably arranged at the opening of the storage frame (17), and a positioning groove is arranged on the bottom surface of the storage frame (17); the material storage frame (17) moves downwards into the placing groove, and the positioning columns (24) are respectively inserted into the positioning grooves.
2. A continuous conveyor for mushroom processing according to claim 1, wherein the distance the winding assembly moves along the length of the base (1) is not less than the length of the base (1).
3. A continuous conveyor mechanism for processing bacteria according to claim 1, characterized in that the bottom of the cleaning tank (5) is inclined; the bottom surface of the cleaning box (5) is provided with a drain hole; a drain pipe (3) is arranged in the drain hole; the drain pipe (3) is provided with a stop valve (4).
4. A continuous conveyor for mushroom processing according to claim 1, characterized in that the horizontal movement assembly comprises a second driving device (6), a fixed plate (7), a threaded rod (8), a guide rod, a first sliding plate (10) and a second sliding plate (13); the fixed plates (7) are arranged on the rack (2) side by side; a vertical second mounting hole (15) is formed in the second sliding plate (13); the threaded rod (8) is screwed into the first mounting hole (14) in a threaded manner, two ends of the threaded rod (8) are respectively connected with the fixing plate (7) in a rotating manner, and the threaded rod (8) is connected with the second driving device (6) in a transmission manner; the guide rod passes through the second mounting hole (15), the guide rod is connected with the second sliding plate (13) in a sliding mode, and two ends of the guide rod are connected with the fixing plate (7) respectively.
5. A continuous conveyor for mushroom processing according to claim 1, characterized in that the winding assembly comprises a winding shaft (11) and a third driving device (12); the winding shaft (11) is in transmission connection with a third driving device (12).
6. The continuous conveying mechanism for processing the fungi according to claim 1, wherein a first mounting plate (19) is arranged on the inner wall of the material storage frame (17); vertical third mounting holes (27) are respectively formed in the first mounting plate (19); a vertical fourth mounting hole is formed in the cover plate (18); a fastening piece (20) is arranged in each fourth mounting hole; the tightening pieces (20) are screwed into the third mounting holes (27), respectively.
7. A continuous conveying mechanism for processing bacteria according to claim 6, characterized in that the material storage frame (17) is provided with a circular ring (16); the circular rings (16) are respectively connected with hooks arranged on the ropes (9).
8. A continuous conveyor for processing bacteria according to claim 1, wherein the storage frame (17) is of cylindrical configuration.
9. The continuous conveying mechanism for processing the fungi as claimed in claim 8, wherein the outer end surface of the material storage frame (17) is uniformly provided with guide plates (28) in a circumferential manner; the guide plates (28) are respectively inserted into vertical sliding grooves formed in the inner wall of the mounting groove in a sliding manner.
10. A mechanism according to claim 1, wherein the lower end surface of the rotary table (21) is provided with an annular chute; a sliding part (23) is arranged in the annular sliding groove in a sliding way; the sliding parts (23) are respectively arranged on the supporting rods (22); the supporting rods (22) are respectively connected with the bottom surface of the cleaning box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999699.5U CN210275820U (en) | 2019-06-30 | 2019-06-30 | Continuous conveying mechanism for fungus processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999699.5U CN210275820U (en) | 2019-06-30 | 2019-06-30 | Continuous conveying mechanism for fungus processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210275820U true CN210275820U (en) | 2020-04-10 |
Family
ID=70099651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920999699.5U Expired - Fee Related CN210275820U (en) | 2019-06-30 | 2019-06-30 | Continuous conveying mechanism for fungus processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210275820U (en) |
-
2019
- 2019-06-30 CN CN201920999699.5U patent/CN210275820U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2615812C2 (en) | Improved device for unloading of tare containers with fruit and vegetable products | |
| CN105454401B (en) | A kind of mussel is extractd and cleaning equipment | |
| CN107897951A (en) | A kind of gardens take seed device with extruding anti-blockage type Chinese chestnut | |
| CN211914800U (en) | Seed belt cleaning device for farming | |
| CN210275820U (en) | Continuous conveying mechanism for fungus processing | |
| JP2016054679A (en) | Fish aquarium | |
| CN207978376U (en) | Novel spinach harvester | |
| CN204742251U (en) | High -efficient separation and purification device of wheel animalcule | |
| ITVI20110063A1 (en) | HARVESTING MACHINE, PARTICULARLY FOR THE COLLECTION OF GRAPES FROM VINEYARDS RELATED TO PERGOLA OR TENDONE. | |
| WO2022139591A1 (en) | Systems and methods for handling farmed aquatic animals | |
| CN208987329U (en) | A kind of picking of broccoli and cleaning device | |
| CN216314895U (en) | Container formula fish-vegetable intergrowth system | |
| CN212382070U (en) | Categorised belt cleaning device of fruit vegetables size | |
| CN206596645U (en) | A kind of gardens Chinese chestnut removing device | |
| CN110682344B (en) | Passion fruit processingequipment | |
| CN208300906U (en) | A kind of fruit low damage cleaning device | |
| CN108925228B (en) | Device is cut to field beans | |
| CN111972167A (en) | Vegetable cultivation device special for planting vine vegetables | |
| CN219269885U (en) | A breeding device for crab overwintering | |
| CN214156148U (en) | Hotbed chives spray-washing device | |
| CN217308941U (en) | Full-automatic vacuum frying equipment for mushroom products | |
| CN217854957U (en) | High-efficient water filtering device is used in aquatic products processing | |
| CN219500238U (en) | A drainage soil pick-up device for aquaculture | |
| CN213369836U (en) | Edible mushroom can production is with driping device | |
| CN214987003U (en) | Fresh-keeping storage box convenient for storing vegetables |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |