Freeze-drying rack cleaning device
By designing a freeze-drying rack cleaning device, the freeze-drying rack can be automatically cleaned, solving the problem of low cleaning efficiency and improving the production efficiency of the freeze dryer.
Patent Information
- Application Number
- CN202520525140.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-03-24
AI Technical Summary
The low cleaning efficiency of freeze-drying racks leads to low production efficiency of freeze dryers and a long turnover cycle for freeze-drying racks.
Design a freeze-drying rack cleaning device, including a cleaning chamber assembly, a hanging rail assembly, a hoisting assembly, and a rinsing assembly, to replace manual operation with mechanization and achieve automated cleaning of freeze-drying racks.
It improves the cleaning efficiency of freeze-drying racks, shortens the turnover cycle of freeze-drying racks, and increases the production efficiency of freeze dryers.
Smart Images

Figure CN223960178U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleaning device technology, and in particular to a freeze-drying rack cleaning device. Background Technology
[0002] Freeze-drying is an important process for effectively preserving the active ingredients of materials and extending their shelf life through low-temperature dehydration. It is widely used in biopharmaceuticals, food processing, and medical products, and the freeze dryer is the core equipment in this process. During the freeze-drying process, the material is placed in freeze-drying trays, multiple layers of freeze-drying trays are placed on freeze-drying racks, and the entire assembly is sent into the drying chamber for freeze-drying. Because the freeze-dried material will leave material debris and impurities on the freeze-drying trays and racks, these residues may contaminate the next batch of products. Therefore, the freeze-drying racks must be thoroughly cleaned after the freeze-drying operation to ensure the cleanliness and safety of subsequent production.
[0003] Currently, the cleaning of freeze-drying racks mainly relies on manual labor. However, freeze-drying racks are heavy and have a multi-layered structure, and it takes a long time to disassemble, move, and clean them manually. This results in low cleaning efficiency and a long turnover cycle for freeze-drying racks, which affects the production efficiency of freeze dryers. Utility Model Content
[0004] In view of this, it is necessary to provide a freeze-drying rack cleaning device that can improve the cleaning efficiency of freeze-drying racks, thereby shortening the turnover cycle of freeze-drying racks and improving the production efficiency of freeze dryers.
[0005] This utility model provides a freeze-drying rack cleaning device, including a cleaning chamber assembly, a hanging rail assembly, a hoisting assembly, and a rinsing assembly. The cleaning chamber assembly is used to hold the freeze-drying racks. The hanging rail assembly has a first transport end and at least one second transport end. The first transport end extends into the cleaning chamber assembly, and each second transport end extends into a freeze-drying rack warehouse. The hoisting assembly is slidably mounted on the hanging rail assembly and is used to transport the freeze-drying racks between the cleaning chamber assembly and the freeze-drying rack warehouse. The rinsing assembly is slidably mounted on the hanging rail assembly and is used to slide into the cleaning chamber assembly to rinse the freeze-drying racks.
[0006] Preferably, the cleaning chamber assembly includes a cleaning chamber body, a drain pipe, a circulation pump, and a water supply pipe. The two ends of the drain pipe are connected to the liquid outlet of the cleaning chamber body and the liquid inlet of the circulation pump, respectively. The liquid outlet of the circulation pump is connected to one end of the water supply pipe so that water discharged from the cleaning chamber body is sent into the water supply pipe. The other end of the water supply pipe extends into the cleaning chamber body to supply water to the rinsing assembly.
[0007] Preferably, the inner wall of the cleaning chamber body is evenly provided with a plurality of mounting racks for mounting freeze-drying racks; the cleaning chamber body is provided with a cleaning chamber door for closing the cleaning chamber body.
[0008] Preferably, the lifting rail assembly includes a cleaning chamber rail, a rinsing rail, a first lifting rail, a second lifting rail, a third lifting rail, a first rail-changing group, and a second rail-changing group. One end of the cleaning chamber rail extends into the cleaning chamber body, and the other end is connected to the first rail-changing group. One end of the first lifting rail is connected to the first rail-changing group, and the other end is connected to the second rail-changing group. The first rail-changing group is also connected to the rinsing rail. The first rail-changing group is used to switch the connection relationship between the cleaning chamber rail, the rinsing rail, and the first lifting rail, so that the cleaning chamber rail can be connected to the first lifting rail or the rinsing rail. One end of the second lifting rail extends into the freeze-drying rack warehouse, and the other end is connected to the second rail-changing group. One end of the third lifting rail extends into another freeze-drying rack warehouse, and the other end is connected to the second cabinet-changing group. The second rail-changing group is used to switch the connection relationship between the first lifting rail, the second lifting rail, and the third lifting rail, so that the first lifting rail can be connected to the second lifting rail or the third lifting rail.
[0009] Preferably, the first and second track-changing groups have the same structure, each including a fixed frame, a track-changing frame, a straight track, a turning track, and a telescopic component. The track-changing frame is slidably mounted on the fixed frame. The straight track and the turning track are both mounted on the track-changing frame. The fixed end of the telescopic component is fixedly mounted on the fixed frame, and the telescopic end is connected to the track-changing frame, so that the position of the straight track and the turning track on the track-changing frame can be adjusted by the extension and retraction of the telescopic component, so that the straight track or the turning track connects the two tracks.
[0010] Preferably, the hanging rail assembly further includes at least two bent rail groups, each of which includes a fixed rail and a storage rail. The storage rail is rotatably mounted on one end of the fixed rail. Each bent rail group is respectively mounted on the first transport end and each of the second transport ends, and is located outside the cleaning chamber body and the freeze-drying rack warehouse, respectively. By rotating the storage rail, the hanging rail assembly located inside the cleaning chamber body is separated from the hanging rail assembly located outside the cleaning chamber body, so as to close the cleaning chamber body; and the hanging rail assembly located outside the freeze-drying rack warehouse is separated from the hanging rail assembly located inside the freeze-drying rack warehouse, so as to close the freeze-drying rack warehouse.
[0011] Preferably, the rinsing assembly includes a first rinsing component and two second rinsing components. The top of the first rinsing component is slidably mounted on the rinsing track, and the top of the first rinsing component is also provided with a three-way valve for connecting to the water supply pipe and the second rinsing components respectively. The top of each second rinsing component is slidably mounted on the rinsing track, and the top of each second rinsing component is also provided with a valve head for connecting to the three-way valve. The first rinsing component and each second rinsing component are also evenly provided with a plurality of rinsing nozzles for rinsing the freeze-drying rack.
[0012] Preferably, the hoisting assembly includes at least one hook with the same structure, each hook being slidably mounted on the hoisting rail assembly for transporting the freeze-drying rack along the hoisting rail assembly.
[0013] The aforementioned freeze-drying rack cleaning device includes a cleaning chamber assembly, a hanging rail assembly, a hoisting assembly, and a rinsing assembly. The cleaning chamber assembly is used to hold the freeze-drying racks. The hanging rail assembly has a first transport end and at least one second transport end. The first transport end extends into the cleaning chamber assembly, and each second transport end extends into a corresponding freeze-drying rack compartment. The hoisting assembly is slidably mounted on the hanging rail assembly and is used to transport the freeze-drying racks between the cleaning chamber assembly and the freeze-drying rack compartment. The rinsing assembly is slidably mounted on the hanging rail assembly and is used to slide into the cleaning chamber assembly to rinse the freeze-drying racks. In this way, when cleaning the freeze-drying racks, the freeze-drying racks are first transported from the freeze-drying rack warehouse to the cleaning chamber assembly via the hoisting assembly, and then the rinsing assembly is transported to the cleaning chamber assembly via the hoisting assembly. After the rinsing assembly completes the rinsing operation of the freeze-drying racks, the freeze-drying racks are transported from the cleaning chamber assembly to the freeze-drying rack warehouse via the hoisting assembly. By using the hoisting assembly to replace manual handling of the freeze-drying racks and the rinsing assembly to replace manual cleaning of the freeze-drying racks, the cleaning efficiency of the freeze-drying racks can be improved, thereby shortening the turnover cycle of the freeze-drying racks and improving the production efficiency of the freeze dryer. Attached Figure Description
[0014] Figure 1 This is a top-down view of the freeze-drying rack cleaning apparatus of this application.
[0015] Figure 2 This is a top-down view of the cleaning chamber assembly of this application.
[0016] Figure 3 This application is Figure 2 A magnified view of a portion of region A in the middle.
[0017] Figure 4 This is a top-down view of the hanging rail assembly of this application.
[0018] Figure 5 This application is Figure 4 A magnified view of a portion of region B in the middle.
[0019] Figure 6This is a top-down view of the first track-changing assembly of this application.
[0020] Figure 7 This is a top-down view of the rinsing component of this application.
[0021] In the diagram: freeze-drying rack cleaning device 10, cleaning chamber assembly 20, cleaning chamber body 21, drain pipe 22, circulation pump 23, water supply pipe 24, mounting frame 25, cleaning chamber door 26, hanging rail assembly 30, cleaning chamber track 31, rinsing track 32, first hoisting track 33, second hoisting track 34, third hoisting track 35, first track changing group 36, fixed frame 361, track changing frame 362, straight track 363, turning track 364, telescopic component 365, second track changing group 37, bending track group 38, fixed track 381, storage track 382, hoisting assembly 40, rinsing assembly 50, first rinsing component 51, second rinsing component 52, three-way valve 53, valve head 54, rinsing nozzle 55. Detailed Implementation
[0022] The technical solutions and effects of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.
[0023] Please refer to Figure 1 This utility model provides a freeze-drying rack cleaning device 10, including a cleaning chamber assembly 20, a hanging rail assembly 30, a hoisting assembly 40, and a rinsing assembly 50. The cleaning chamber assembly 20 is used to hold the freeze-drying racks. The hanging rail assembly 30 has a first transport end and at least one second transport end. The first transport end extends into the cleaning chamber assembly, and each second transport end extends into a freeze-drying rack compartment. The hoisting assembly 40 is slidably mounted on the hanging rail assembly 30 and is used to transport the freeze-drying racks between the cleaning chamber assembly 20 and the freeze-drying rack compartments. The rinsing assembly 50 is slidably mounted on the hanging rail assembly 30 and is used to slide into the cleaning chamber assembly 20 to rinse the freeze-dried racks. The freeze-drying racks are rinsed; thus, when cleaning the freeze-drying racks, the freeze-drying racks are first transported from the freeze-drying rack warehouse to the cleaning chamber assembly 20 via the hoisting component 40 along the hoisting component 30, and then the rinsing component 50 is transported to the cleaning chamber assembly 20 along the hoisting component 40. After the rinsing component 50 completes the rinsing operation of the freeze-drying racks, the freeze-drying racks are transported from the cleaning chamber assembly 20 to the freeze-drying rack warehouse via the hoisting component 40. The hoisting component 40 replaces manual handling of the freeze-drying racks, and the rinsing component 50 replaces manual cleaning of the freeze-drying racks, which can improve the cleaning efficiency of the freeze-drying racks, shorten the turnover cycle of the freeze-drying racks, and improve the production efficiency of the freeze dryer.
[0024] Please refer to Figures 2 to 3Furthermore, the cleaning chamber assembly 20 includes a cleaning chamber body 21, a drain pipe 22, a circulation pump 23, and a water supply pipe 24. The two ends of the drain pipe 22 are respectively connected to the liquid outlet of the cleaning chamber body 21 and the liquid inlet of the circulation pump 23. The liquid outlet of the circulation pump 23 is connected to one end of the water supply pipe 24 so that the water discharged from the cleaning chamber body 21 is sent into the water supply pipe 24. The other end of the water supply pipe 24 extends into the cleaning chamber body 21 to supply water to the rinsing assembly 50. In this way, the rinsing water in the cleaning chamber body 21 is recycled by the circulation pump 23, thereby improving the utilization rate of water resources.
[0025] In this embodiment, the cleaning chamber body 21 is also provided with a drain outlet and a water inlet. The drain outlet is used to discharge the sewage after multiple cycles, and the water inlet is used to replenish the cleaning rinsing water.
[0026] Please refer to Figures 2 to 3 Furthermore, a number of mounting racks 25 are evenly provided on the inner wall of the cleaning chamber body 21 for installing freeze-drying racks; the cleaning chamber body 21 is provided with a cleaning chamber door 26 for closing the cleaning chamber body 21.
[0027] Please refer to Figure 4Furthermore, the hoisting rail assembly 30 includes a cleaning chamber rail 31, a rinsing rail 32, a first hoisting rail 33, a second hoisting rail 34, a third hoisting rail 35, a first rail-changing group 36, and a second rail-changing group 37. One end of the cleaning chamber rail 31 extends into the cleaning chamber body 21, and the other end is connected to the first rail-changing group 36. One end of the first hoisting rail 33 is connected to the first rail-changing group 36, and the other end is connected to the second rail-changing group 37. The first rail-changing group 36 is also connected to the rinsing rail 32. The first rail-changing group 36 is used to switch the connection relationship between the cleaning chamber rail 31, the rinsing rail 32, and the first hoisting rail 33, so that the cleaning chamber rail 31 can be connected to either the first hoisting rail 33 or the rinsing rail 32. One end of the second hoisting rail 34 extends into the freeze-drying rack warehouse, and the other end is connected to the second rail-changing group 37. One end of the third hoisting rail 35 extends into another freeze-drying rack warehouse, and the other end is connected to the second changing cabinet. The first hoisting track 33 is connected to the second hoisting track 34 and the third hoisting track 35 by the second track switching group 37, so that the first hoisting track 33 can be connected to the second hoisting track 34 or the third hoisting track 35. Thus, when transporting the rinsing component 50, the first track switching group 36 connects the cleaning chamber track 31 to the rinsing track 32, so that the rinsing component 50 can enter the cleaning chamber body 21 along the rinsing track 32 and the cleaning chamber track 31. When transporting the freeze-drying rack, the first track switching group 36 connects the cleaning chamber track 31 to the first hoisting track 33, and the second track switching group 37 connects the first hoisting track 33 to the second hoisting track 34 or the third hoisting track 35, so that the freeze-drying rack can move between the freeze-drying rack warehouses and the cleaning chamber body 21 along the cleaning chamber track 31, the first hoisting track 33, the second hoisting track 34 and the third hoisting track 35.
[0028] In this embodiment, the freeze-drying rack can be moved between more cleaning chambers 21 or freeze-drying rack warehouses by adding hoisting rails and rail changing groups.
[0029] Please refer to Figure 6 Furthermore, the first track-changing group 36 and the second track-changing group 37 have the same structure, both including a fixed frame 361, a track-changing frame 362, a straight track 363, a turning track 364, and a telescopic component 365. The track-changing frame 362 is slidably mounted on the fixed frame 361. The straight track 363 and the turning track 364 are both mounted on the track-changing frame 362. The fixed end of the telescopic component 365 is fixedly mounted on the fixed frame 361, and the telescopic end is connected to the track-changing frame 362. The position of the straight track 363 and the turning track 364 on the track-changing frame 362 can be adjusted by the extension and retraction of the telescopic component 365, so that the straight track 363 or the turning track 364 connects the two tracks.
[0030] Please refer to Figure 5Furthermore, the hanging rail assembly 30 also includes at least two bent rail groups 38. Each bent rail group 38 includes a fixed rail 381 and a storage rail 382. The storage rail 382 is rotatably mounted on one end of the fixed rail 381. Each bent rail group is installed on the first transport end and each of the second transport ends, and is located outside the cleaning chamber body and the freeze-drying rack warehouse, respectively. By rotating the storage rail, the hanging rail assembly inside the cleaning chamber body is separated from the hanging rail assembly outside the cleaning chamber body, so as to facilitate closing the cleaning chamber body; the hanging rail assembly outside the freeze-drying rack warehouse is separated from the hanging rail assembly inside the freeze-drying rack warehouse, so as to facilitate closing the freeze-drying rack warehouse. In this way, when closing the cleaning chamber body 21 or the freeze-drying rack warehouse, the rails are disconnected by the bent rail group 38, so that the cleaning chamber door 26 or the warehouse door will not collide with the rails when closing, thus preventing the cleaning chamber body 21 or the freeze-drying rack warehouse from being closed.
[0031] Please refer to Figure 7 Furthermore, the rinsing assembly 50 includes a first rinsing component 51 and two second rinsing components 52. The top of the first rinsing component 51 is slidably mounted on the rinsing track 32. The top of the first rinsing component 51 is also provided with a three-way valve 53, which is used to connect to the water supply pipe 24 and the second rinsing component 52 respectively. The top of each second rinsing component 52 is slidably mounted on the rinsing track 32. The top of each second rinsing component 52 is also provided with a valve head 54, which is used to connect to the three-way valve 53. A plurality of rinsing nozzles 55 are also evenly provided on the first rinsing component 51 and each second rinsing component 52 for rinsing the freeze-drying rack.
[0032] In this embodiment, in order to expand the rinsing range of the rinsing assembly, a third rinsing component can also be provided. The top of the third rinsing component is slidably mounted on the rinsing track 32. A two-way valve is provided on the top of the third rinsing component. A plurality of rinsing nozzles 55 are evenly provided on the third rinsing component. The third rinsing component is located between the first rinsing component 51 and the second rinsing component 52 and is used to connect the first rinsing component 51 and the second rinsing component 52, thereby increasing the length of the rinsing assembly 50 and extending the rinsing range of the rinsing assembly 50.
[0033] Furthermore, the hoisting assembly 40 includes at least one hook with the same structure, each hook being slidably mounted on the hoisting rail assembly 30 for transporting the freeze-drying rack along the hoisting rail assembly 30.
[0034] In this embodiment, the cleaning chamber body 21 can also be the vacuum chamber of the freeze dryer. After the freeze drying operation is completed, the freeze drying rack is first cleaned in the vacuum chamber by the rinsing component 50, then the freeze drying rack is transported to the freeze drying rack warehouse to dry, and then the clean freeze drying rack is transported to the vacuum chamber for the next round of freeze drying operation.
[0035] Example 1: Usage of the freeze-drying rack cleaning device 10
[0036] 1. The first track switching group 36 switches the track to connect the cleaning chamber track 31 with the first hoisting track 33, and the second track switching group 37 switches the track to connect the first hoisting track 33 with the second hoisting track 34;
[0037] 2. The freeze-drying racks that need to be cleaned are transported from the freeze-drying rack warehouse to the cleaning chamber body 21 by the hoisting component 40 and fixed on the mounting frame 25;
[0038] 3. By switching tracks through the first track-changing group 36, the cleaning chamber track 31 is connected to the flushing track 32, and the flushing component 50 is sent into the cleaning chamber body 21 along the track;
[0039] 4. Connect the first flushing component 51 to the water supply pipe 24, and connect the second flushing component 52 to the second water supply pipe 24;
[0040] 5. Rotate the storage track 382 to disconnect the cleaning chamber track 31 and close the cleaning chamber door 26;
[0041] 6. The circulating pump 23 pumps water into the water supply pipe 24, and the rinsing water is sprayed out from each rinsing nozzle 55 to rinse the freeze-drying rack;
[0042] 7. Open the cleaning chamber door 26 and rotate the storage track 382 to connect the cleaning chamber track 31;
[0043] 8. The first track-changing group 36 switches the track to connect the cleaning chamber track 31 with the first hoisting track 33;
[0044] 9. Transport the rinsed freeze-drying racks to the freeze-drying rack warehouse.
[0045] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A freeze-drying shelf cleaning apparatus, characterized by, The device comprises a cleaning bin assembly, a hanging rail assembly, a lifting assembly and a flushing assembly. The cleaning bin assembly is used for placing freeze-drying racks. The hanging rail assembly is provided with a first transport end and at least one second transport end. The first transport end extends into the cleaning bin assembly. Each second transport end extends into a freeze-drying rack warehouse. The lifting assembly is slidably installed on the hanging rail assembly and is used for transporting freeze-drying racks between the cleaning bin assembly and the freeze-drying rack warehouse. The flushing assembly is slidably installed on the hanging rail assembly and is used for sliding into the cleaning bin assembly to flush the freeze-drying racks.
2. The freeze-drying shelf cleaning apparatus of claim 1, wherein The cleaning bin assembly comprises a cleaning bin body, a drain pipe, a circulating pump and a water supply pipe. Two ends of the drain pipe are connected with a liquid outlet end of the cleaning bin body and a liquid inlet end of the circulating pump, respectively. A liquid outlet end of the circulating pump and one end of the water supply pipe are connected to send water discharged from the cleaning bin body into the water supply pipe. The other end of the water supply pipe extends into the cleaning bin body to supply water to the flushing assembly.
3. The freeze-drying shelf cleaning apparatus of claim 2, wherein, The inner wall of the cleaning bin body is uniformly provided with a plurality of mounting racks for mounting freeze-drying racks. The cleaning bin body is provided with a cleaning bin door for closing the cleaning bin body.
4. The freeze-drying shelf cleaning apparatus of claim 3, wherein The hanging rail assembly comprises a cleaning bin rail, a flushing rail, a first lifting rail, a second lifting rail, a third lifting rail, a first rail changing group and a second rail changing group. One end of the cleaning bin rail extends into the cleaning bin body, and the other end is connected with the first rail changing group. One end of the first lifting rail is connected with the first rail changing group, and the other end is connected with the second rail changing group. The first rail changing group is also connected with the flushing rail. The first rail changing group is used for switching the communication relationship between the cleaning bin rail, the flushing rail and the first lifting rail, so that the cleaning bin rail can communicate with the first lifting rail or the flushing rail. One end of the second lifting rail extends into a freeze-drying rack warehouse, and the other end is connected with the second rail changing group. One end of the third lifting rail extends into another freeze-drying rack warehouse, and the other end is connected with the second rail changing group. The second rail changing group is used for switching the communication relationship between the first lifting rail, the second lifting rail and the third lifting rail, so that the first lifting rail can communicate with the second lifting rail or the third lifting rail.
5. The freeze-drying shelf cleaning apparatus of claim 4, wherein The first rail changing group and the second rail changing group have the same structure and comprise a fixing rack, a rail changing rack, a straight rail, a turning rail and an expansion piece. The rail changing rack is slidably installed on the fixing rack. The straight rail and the turning rail are installed on the rail changing rack. The fixed end of the expansion piece is fixedly installed on the fixing rack, and the expansion end is connected with the rail changing rack to adjust the positions of the straight rail and the turning rail on the rail changing rack through the expansion of the expansion piece, so that the straight rail or the turning rail connects the two rails.
6. The freeze-drying shelf cleaning apparatus of claim 5, wherein, The hanging rail assembly further comprises at least two bending rail groups, each of which comprises a fixed rail and a receiving rail rotatably mounted at one end of the fixed rail, each of the bending rail groups is mounted on the first conveying end and each of the second conveying ends respectively and is located outside the cleaning chamber body and the freeze-drying rack warehouse respectively, so that the hanging rail assembly located inside the cleaning chamber body is separated from the hanging rail assembly located outside the cleaning chamber body by rotating the receiving rail to facilitate closing the cleaning chamber body, and the hanging rail assembly located outside the freeze-drying rack warehouse is separated from the hanging rail assembly located inside the freeze-drying rack warehouse to facilitate closing the freeze-drying rack warehouse.
7. The freeze-drying shelf cleaning apparatus of claim 5, wherein The flushing assembly comprises a first flushing member and two second flushing members, the top of the first flushing member is slidably mounted on the flushing rail, and the top of the first flushing member is further provided with a three-way valve for connecting with a water supply pipe and the second flushing members respectively, the top of each of the second flushing members is slidably mounted on the flushing rail, and the top of each of the second flushing members is further provided with a valve head for connecting with the three-way valve, and a plurality of flushing nozzles are uniformly arranged on the first flushing member and each of the second flushing members for flushing operation on the freeze-drying rack.
8. The freeze-drying shelf cleaning apparatus of claim 1, wherein, The lifting assembly comprises at least one hook with the same structure, and each of the hooks is slidably mounted on the hanging rail assembly for conveying the freeze-drying rack along the hanging rail assembly.