Vacuum drying device

Abstract

The utility model relates to the technical field of vacuum drying equipment, in particular to a vacuum drying device. The vacuum drying device solves the technical problem that a vacuum drying box in the prior art is inconvenient to clean. A vacuum drying device comprises a rack, and the rack is provided with a vacuum drying box. The vacuum drying box comprises a box body and a box cover arranged on the box body, a vacuum cavity is formed in the box body, and the box cover seals the vacuum cavity; according to the vacuum drying box, the storage rack is arranged on the box cover, when the vacuum drying box needs to be cleaned, the storage rack and the box cover can be directly taken down from the box body, and therefore the vacuum drying box can be conveniently cleaned. Particularly, when the vacuum cavity is cleaned, the storage rack is completely separated from the vacuum cavity, so that the vacuum cavity is easy to clean. The studs are arranged on the box cover, the screw holes are formed in the storage trays, and when the storage trays need to be cleaned, the storage trays can be conveniently taken down from the studs.

Description

Technical Field

[0001] This utility model relates to the field of vacuum drying equipment technology, and in particular to a vacuum drying device. Background Technology

[0002] Vacuum drying has advantages such as low drying temperature, fast drying speed, and less deterioration of dried items. It is suitable for drying a variety of materials and items. The most commonly used device for vacuum drying is the vacuum drying oven, which is widely used in various fields.

[0003] Existing vacuum drying ovens include a cabinet and a shelf fixed inside the cabinet. Products to be dried are placed on the shelf for drying. Since the vacuum drying oven needs to be cleaned and washed promptly after each drying cycle to ensure its cleanliness, the shelf being fixed inside the cabinet in the existing technology makes cleaning the vacuum drying oven inconvenient.

[0004] Therefore, existing vacuum drying ovens suffer from the technical problem of inconvenient cleaning. Summary of the Invention

[0005] The present invention provides a vacuum drying device that solves the technical problem of inconvenient cleaning of vacuum drying ovens in the prior art.

[0006] Some implementation schemes for solving the above-mentioned technical problems include:

[0007] A vacuum drying apparatus includes a frame, wherein a vacuum drying chamber is provided on the frame;

[0008] The vacuum drying oven includes a box body and a box cover disposed on the box body, a vacuum chamber is disposed inside the box body, and the box cover seals the vacuum chamber;

[0009] The lid is provided with a shelf that extends into the vacuum chamber. The shelf includes a stud fixed to the lid and a tray installed on the stud. The tray has a screw hole that mates with the stud, and there are at least two trays.

[0010] The frame is provided with a crossbeam, and the crossbeam is provided with a drive assembly for driving the cover away from or towards the box body.

[0011] Preferably, the drive assembly includes a lead screw rotatably connected to the cover, a nut that cooperates with the lead screw on the crossbeam, the nut and the crossbeam being an integral structure, and a guide mechanism that prevents the cover from rotating relative to the crossbeam is also provided between the cover and the crossbeam.

[0012] Preferably, the guiding mechanism includes a guide rod disposed on the box cover, the crossbeam is provided with a guide hole that cooperates with the guide rod, and there are at least two guide rods, each of which cooperates with an independent guide hole.

[0013] Preferably, the lead screw is rotatably connected to the box cover via a connecting plate. The box cover is provided with a positioning cover, which has a positioning cavity that mates with the connecting plate. The positioning cover is fixed to the box cover by screws. The connecting plate has a circular cross-sectional shape and is coaxially arranged with the lead screw. Furthermore, the connecting plate and the lead screw are an integral structure. The diameter of the connecting plate is larger than the diameter of the lead screw. The positioning cover is provided with a hole through which the lead screw passes.

[0014] Preferably, the lead screw is also provided with a handle for easy rotation of the lead screw, and the box cover is also provided with ribs to improve the strength of the box cover. The ribs are integral with the box cover and are arranged in a grid pattern on the box cover.

[0015] Preferably, a sealing part is provided between the lid and the body of the box. The sealing part includes an upper sealing ring provided on the lid, and the body of the box is provided with a lower sealing groove that cooperates with the upper sealing ring. The sealing part also includes a lower sealing ring provided on the body of the box, and the lid of the box is provided with an upper sealing groove that cooperates with the lower sealing ring. The upper sealing ring and the lower sealing ring are coaxially arranged.

[0016] Preferably, the housing is snapped onto the frame, the housing is provided with a locking block, the frame is provided with a mounting cylinder to accommodate the housing, a portion of the housing is located inside the mounting cylinder, and the side wall of the mounting cylinder is provided with a locking groove that cooperates with the locking block.

[0017] Preferably, the slot includes an assembly slot arranged along the axial direction of the mounting cylinder and a locking slot arranged along the circumferential direction of the mounting cylinder, wherein the assembly slot and the locking slot communicate with each other.

[0018] Preferably, the storage tray is provided with a storage slot, which is arranged in a ring shape on the storage tray.

[0019] Preferably, the frame includes a base plate for fixing the housing, the base plate is provided with columns, the crossbeam is provided on the columns, there are two columns, and the columns are respectively located at both ends of the crossbeam.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] By placing the shelf on the lid, the vacuum drying oven can be easily cleaned by simply removing both the shelf and the lid from the oven body. This is especially convenient when cleaning the vacuum chamber, as the shelf is completely detached from the chamber, making it easier to clean.

[0022] By incorporating studs on the lid and screw holes in the storage tray, the tray can be easily removed from the studs for cleaning, making it convenient to clean. Furthermore, since the tray is threaded onto the studs, its position relative to the studs can be easily adjusted, enhancing the shelf's versatility. Additionally, the threaded connection is self-locking, eliminating the need for additional locking mechanisms after tray adjustment, thus simplifying the shelf's structure.

[0023] By incorporating a crossbeam and a drive assembly, the chamber lid can be easily opened or closed, making the vacuum drying oven easy to operate. Attached Figure Description

[0024] For illustrative purposes, several embodiments of the present invention are illustrated in the following figures. These figures are incorporated herein by reference and form part of the detailed description. In some cases, well-known structures and components are shown in block diagram form to avoid obscuring the concept of the subject matter of the present invention.

[0025] Figure 1 This is a schematic diagram of the internal structure of this utility model.

[0026] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0027] Figure 3 This is a schematic diagram of the present invention.

[0028] Figure 4 This is a schematic diagram of the shelf after it leaves the vacuum chamber.

[0029] Figure 5 This is a schematic diagram of the rack. Figure 5 The crossbeam has been omitted.

[0030] Figure 6 This is a schematic diagram of the box.

[0031] As shown in the figure:

[0032] 1. Frame, 11. Crossbeam, 111. Nut, 12. Lead screw, 121. Connecting plate, 122. Handle, 13. Guide rod, 14. Mounting cylinder, 141. Assembly slot, 142. Locking slot, 15. Column.

[0033] 2. Vacuum drying oven, 21. Oven body, 211. Vacuum chamber, 212. Lower sealing ring, 213. Locking block, 22. Oven cover, 221. Shelf, 222. Stud, 223. Storage tray, 2231. Storage slot, 224. Positioning cover, 225. Ribs, 226. Upper sealing ring. Detailed Implementation

[0034] The specific embodiments shown below are intended to describe various configurations of the subject matter of this invention and are not intended to represent the only configuration in which the subject matter of this invention can be practiced. The specific embodiments include detailed descriptions intended to provide a thorough understanding of the subject matter of this invention. However, it will be clear and apparent to those skilled in the art that the subject matter of this invention is not limited to the specific details shown herein and can be practiced without these specific details.

[0035] Understandably, in this document, relational terms such as “first” and “second” are intended to distinguish one entity or operation from another, and are not intended to expressly or imply any actual relationship or order between these entities or operations.

[0036] The terms “comprising,” “including,” or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase “comprising one…” does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0037] Reference Figures 1 to 6 As shown, a vacuum drying apparatus includes a frame 1, wherein a vacuum drying chamber 2 is provided on the frame 1;

[0038] The vacuum drying oven 2 includes a box body 21 and a box cover 22 disposed on the box body 21. A vacuum chamber 211 is disposed inside the box body 21, and the box cover 22 seals the vacuum chamber 211.

[0039] The lid 22 is provided with a shelf 221, which extends into the vacuum chamber 211. The shelf 221 includes a stud 222 fixed to the lid 22 and a tray 223 installed on the stud 222. The tray 223 is provided with a screw hole that mates with the stud 222, and there are at least two trays 223.

[0040] The frame 1 is provided with a crossbeam 11, and the crossbeam 11 is provided with a drive assembly for driving the box cover 22 away from or closer to the box body 21.

[0041] The working principle of vacuum drying oven 2 is not limited and can be referred to existing technology.

[0042] In some embodiments, the stud 222 is arranged vertically. When it is necessary to dry the items, the rack 221 is first positioned completely outside the vacuum chamber 211 by the drive mechanism. Then, the items to be dried are rotated onto the rack 221. Then, the rack 221 is moved into the vacuum chamber 211 by the drive mechanism, and the lid 22 is used to seal the vacuum chamber 211 to carry out the drying operation.

[0043] In some embodiments, when it is necessary to clean the vacuum chamber 211, the storage rack 221 is completely removed from the vacuum chamber 211 by using a drive mechanism, at which time the vacuum chamber 211 can be easily cleaned.

[0044] Reference Figures 1 to 6 As shown, in some embodiments, when it is necessary to clean the tray 223, the tray 223 can be rotated to remove it from the stud 222, and then the tray 223 can be cleaned. The tray 223 is easy to clean.

[0045] In some embodiments, the drive assembly includes a lead screw 12 rotatably connected to the cover 22, a crossbeam 11 having a nut 111 that engages with the lead screw 12, the nut 111 and the crossbeam 11 being an integral structure, and a guide mechanism for preventing the cover 22 from rotating relative to the crossbeam 11 is also provided between the cover 22 and the crossbeam 11.

[0046] In some embodiments, the guiding mechanism includes a guide rod 13 disposed on the box cover 22, and the crossbeam 11 is provided with a guide hole that cooperates with the guide rod 13. There are at least two guide rods 13, and each guide rod 13 cooperates with an independent guide hole.

[0047] The cross-sectional shape of the guide rod 13 can be circular or polygonal. The guide rod 13 can be integrated with the box cover 22 so that the guide rod 13 can not only guide but also improve the strength of the box cover 22.

[0048] In some embodiments, the lead screw 12 is rotatably connected to the box cover 22 via a connecting plate 121. The box cover 22 is provided with a positioning cover 224, which has a positioning cavity that cooperates with the connecting plate 121. The positioning cover 224 is fixed to the box cover 22 by screws. The connecting plate 121 has a circular cross-sectional shape and is coaxially arranged with the lead screw 12. Furthermore, the connecting plate 121 and the lead screw 12 are an integral structure. The diameter of the connecting plate 121 is larger than the diameter of the lead screw 12. The positioning cover 224 is provided with a hole through which the lead screw 12 passes.

[0049] In some embodiments, a rolling bearing may be provided between the sidewall of the bore and the lead screw 12 to reduce wear on the lead screw 12 and at a fixed position.

[0050] Reference Figures 1 to 6 As shown, in some embodiments, a thrust shaft can be provided between the connecting plate 121 and the cover 22, and a thrust bearing can also be provided between the upper end face of the connecting plate 121 and the positioning cover 224 to reduce the wear of the connecting plate 121, the cover 22 and the positioning cover 224.

[0051] Preferably, the lead screw 12 is also provided with a handle 122 for easy rotation of the lead screw 12, and the box cover 22 is also provided with ribs 225 to improve the strength of the box cover 22. The ribs 225 and the box cover 22 are integral structures, and the ribs 225 are arranged in a grid pattern on the box cover 22.

[0052] In some embodiments, a sealing portion is provided between the lid 22 and the body 21. The sealing portion includes an upper sealing ring 226 disposed on the lid 22, and the body 21 is provided with a lower sealing groove that cooperates with the upper sealing ring 226. The sealing portion also includes a lower sealing ring 212 disposed on the body 21, and the lid 22 is provided with an upper sealing groove that cooperates with the lower sealing ring 212. The upper sealing ring 226 and the lower sealing ring 212 are coaxially arranged.

[0053] A sealing layer can be bonded to the sealing part.

[0054] Reference Figures 1 to 6 As shown, in some embodiments, the housing 21 is snapped onto the frame 1, the housing 21 is provided with a locking block 213, the frame 1 is provided with a mounting cylinder 14 to accommodate the housing 21, a part of the housing 21 is located inside the mounting cylinder 14, and the side wall of the mounting cylinder 14 is provided with a locking groove that cooperates with the locking block 213.

[0055] The slot includes an assembly slot 141 arranged along the axial direction of the mounting cylinder 14 and a locking slot 142 arranged along the circumferential direction of the mounting cylinder 14, and the mounting slot and the locking slot 142 communicate with each other.

[0056] In some embodiments, when maintenance or replacement of the housing 21 is required, the housing 21 can be easily rotated by a certain angle to align the locking block 213 with the assembly slot 141. At this point, the housing 21 can be moved upwards to remove it. When the housing 21 needs to be assembled, the locking block 213 is aligned with the assembly slot 141, and then the housing 21 is moved downwards until the locking block 213 is aligned with the locking slot 142. Then, the housing 21 is rotated by a certain angle, and the locking block 213 is engaged in the locking slot 142, thus completing the assembly of the housing 21.

[0057] In some embodiments, the storage tray 223 is provided with a storage groove 2231, which is arranged in a ring shape on the storage tray 223.

[0058] In some embodiments, the frame 1 includes a base plate for fixing the housing 21, the base plate is provided with columns 15, the crossbeam 11 is provided on the columns 15, there are two columns 15, and the columns 15 are respectively located at both ends of the crossbeam 11.

[0059] In some embodiments, the mounting cylinder 14 may be an integral structure with the base plate.

[0060] The above describes the subject matter technical solution of this utility model and its corresponding details. It is understood that the above description is only some implementation schemes of the subject matter technical solution of this utility model, and some details may be omitted in the specific implementation.

[0061] Furthermore, in some embodiments of the above utility model, multiple embodiments may be combined; however, due to space limitations, all such combinations will not be listed here. Those skilled in the art can freely combine the above embodiments according to their needs to achieve a better application experience.

[0062] When implementing the subject matter technical solution of this utility model, those skilled in the art can obtain other detailed configurations or drawings based on the subject matter technical solution and the accompanying drawings. Obviously, these details are still within the scope of the subject matter technical solution of this utility model without departing from it.

Claims

1. A vacuum drying apparatus, characterized in that: The equipment includes a frame (1) on which a vacuum drying oven (2) is mounted; the vacuum drying oven (2) includes a body (21) and a cover (22) disposed on the body (21), a vacuum chamber (211) is disposed inside the body (21), and the cover (22) seals the vacuum chamber (211); the cover (22) is provided with a shelf (221) extending into the vacuum chamber (211), and the shelf (221)... 1) The rack (221) includes a stud (222) fixed to the cover (22), and the rack (221) also includes a tray (223) installed on the stud (222). The tray (223) is provided with a screw hole that mates with the stud (222). There are at least two trays (223). The frame (1) is provided with a crossbeam (11). The crossbeam (11) is provided with a drive assembly that drives the cover (22) away from or closer to the box body (21).

2. The vacuum drying apparatus according to claim 1, characterized in that: The drive assembly includes a lead screw (12) rotatably connected to the cover (22), and the crossbeam (11) is provided with a nut (111) that cooperates with the lead screw (12). The nut (111) and the crossbeam (11) are an integral structure. A guide mechanism is also provided between the cover (22) and the crossbeam (11) to prevent the cover (22) from rotating relative to the crossbeam (11).

3. The vacuum drying apparatus according to claim 2, characterized in that: The guiding mechanism includes a guide rod (13) disposed on the box cover (22), and the crossbeam (11) is provided with a guide hole that cooperates with the guide rod (13). There are at least two guide rods (13), and each guide rod (13) cooperates with an independent guide hole.

4. The vacuum drying apparatus according to claim 3, characterized in that: The lead screw (12) is rotatably connected to the box cover (22) via a connecting plate (121). The box cover (22) is provided with a positioning cover (224). The positioning cover (224) has a positioning cavity that cooperates with the connecting plate (121). The positioning cover (224) is fixed to the box cover (22) by screws. The cross-sectional shape of the connecting plate (121) is circular. The connecting plate (121) and the lead screw (12) are coaxially arranged. Furthermore, the connecting plate (121) and the lead screw (12) are an integral structure. The diameter of the connecting plate (121) is larger than the diameter of the lead screw (12). The positioning cover (224) is provided with a hole through which the lead screw (12) passes.

5. The vacuum drying apparatus according to claim 4, characterized in that: The lead screw (12) is also provided with a handle (122) for easy rotation of the lead screw (12), and the box cover (22) is also provided with ribs (225) to improve the strength of the box cover (22). The ribs (225) and the box cover (22) are an integral structure, and the ribs (225) are arranged in a grid pattern on the box cover (22).

6. The vacuum drying apparatus according to claim 5, characterized in that: A sealing part is provided between the lid (22) and the body (21). The sealing part includes an upper sealing ring (226) provided on the lid (22). The body (21) is provided with a lower sealing groove that cooperates with the upper sealing ring (226). The sealing part also includes a lower sealing ring (212) provided on the body (21). The lid (22) is provided with an upper sealing groove that cooperates with the lower sealing ring (212). The upper sealing ring (226) and the lower sealing ring (212) are coaxially arranged.

7. The vacuum drying apparatus according to claim 1, characterized in that: The housing (21) is snapped onto the frame (1). The housing (21) is provided with a locking block (213). The frame (1) is provided with a mounting cylinder (14) to accommodate the housing (21). A part of the housing (21) is located inside the mounting cylinder (14). The side wall of the mounting cylinder (14) is provided with a slot that cooperates with the locking block (213).

8. The vacuum drying apparatus according to claim 7, characterized in that: The slot includes an assembly slot (141) arranged along the axial direction of the mounting cylinder (14) and a locking slot (142) arranged along the circumferential direction of the mounting cylinder (14), and the mounting slot and the locking slot (142) are connected.

9. The vacuum drying apparatus according to claim 1, characterized in that: The storage tray (223) is provided with a storage slot (2231), which is arranged in a ring shape on the storage tray (223).

10. The vacuum drying apparatus according to claim 1, characterized in that: The frame (1) includes a base plate for fixing the box (21), the base plate is provided with columns (15), the crossbeam (11) is provided on the columns (15), there are two columns (15), and the columns (15) are respectively located at both ends of the crossbeam (11).

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