Freeze drying tray

Abstract

The utility model provides a freeze drying tray. The freeze drying tray comprises a heat conduction layer and a tray body, the tray body comprises a tray bottom and end side walls extending out of the peripheral edges of the tray bottom, and the tray bottom and the peripheral side walls define a space suitable for storing cold freeze-dried powder; convex ribs are also arranged on the outer side surfaces of the tray bottom and / or the peripheral side walls; the tray body and the convex ribs on the tray body are made of plastic materials; the heat conduction layer is located on the inner side wall of the tray bottom and tightly combined with the inner side face. The heat conduction layer evenly covers the inner side face of the tray bottom and conducts heat with the space for storing the freeze-dried powder. Compared with a traditional stainless steel tray, the freeze-drying tray is light in weight, and the burden of freeze-drying equipment in the operation process is greatly relieved. Furthermore, a heat conduction layer is arranged on the tray bottom, so that the heat conduction performance of the tray is greatly enhanced, the freeze-drying process of dry powder can be more quickly carried out, the freeze-drying time is effectively shortened, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tray, especially to a freeze-drying tray suitable for storing freeze-dried powder. BACKGROUND

[0002] In the field of pharmaceutical freeze-drying, freeze-drying technology is an important production process, which is used to remove water in drugs or other biological products in the form of ice crystals, so as to retain their original biological activity and stability. In this process, the tray as a key component to carry the material to be freeze-dried directly affects the freeze-drying efficiency, product quality and production cost.

[0003] Traditionally, stainless steel trays are widely used in the field of pharmaceutical freeze-drying for freeze-drying operations. However, with the development of the pharmaceutical industry and the improvement of production efficiency, stainless steel trays have gradually exposed some limitations.

[0004] Firstly, the stainless steel tray is heavy, which limits its application in automated production to some extent. During the operation of the freeze-drying equipment, the tray needs to be frequently in and out of the equipment. The excessive weight not only increases the operation difficulty, but also may affect the running efficiency and stability of the equipment. Secondly, during the freeze-drying process, the tray needs to quickly transfer heat to the material to be freeze-dried to achieve rapid and uniform freeze-drying effect. However, the heat conduction performance of the stainless steel tray is relatively limited.

[0005] Therefore, in view of the above problems, it is necessary to propose further solutions. SUMMARY

[0006] The purpose of the utility model is to provide a freeze-drying tray to overcome the deficiencies in the prior art.

[0007] To achieve the above utility model purposes, the utility model provides a freeze-drying tray, which comprises a heat-conducting layer and a tray body.

[0008] The tray body comprises a bottom and a side wall extending from the periphery of the bottom, the bottom and the side wall form a space suitable for storing freeze-dried powder, the outer side of the bottom and / or the side wall is further provided with a rib, and the tray body and the rib thereon are both made of plastic material.

[0009] The heat-conducting layer is located on the inner side wall of the bottom and is tightly combined with the inner side wall, the heat-conducting layer uniformly covers the inner side wall of the bottom, and conducts heat with the space for storing freeze-dried powder.

[0010] As an improvement of the freeze-drying tray of the utility model, the edge of the side wall is further provided with a flange parallel to the bottom and extending outward.

[0011] As an improvement of the freeze-drying tray, the disc bottom, the peripheral side wall and the flange thereon are integrally injection molded.

[0012] As an improvement of the freeze-drying tray, the disc bottom, the peripheral side wall and the flange thereon are integrally injection molded.

[0013] As an improvement of the freeze-drying tray, the peripheral side wall is outwardly inclined.

[0014] As an improvement of the freeze-drying tray, the disc bottom and the peripheral side wall are provided with the ribs, at this time, the ribs on the disc bottom and the peripheral side wall are multiple and the multiple ribs on each surface are arranged in parallel.

[0015] As an improvement of the freeze-drying tray, the disc bottom, the peripheral side wall and the ribs on each surface are integrally injection molded.

[0016] As an improvement of the freeze-drying tray, the heat-conducting layer is tightly combined on the disc bottom through the heat-conducting glue.

[0017] As an improvement of the freeze-drying tray, the heat-conducting layer is a transparent polymer film.

[0018] As an improvement of the freeze-drying tray, the thickness of the transparent polymer film is 250 μm.

[0019] Compared with the prior art, the freeze-drying tray has the advantages that: compared with the traditional stainless steel tray, the freeze-drying tray is light in weight, which greatly reduces the burden of the freeze-drying equipment during operation. The equipment wear is reduced, and the maintenance cost is reduced. At the same time, the lighter tray is also easier to move and position in the equipment, further improving the flexibility and efficiency of automatic production. Further, by arranging the heat-conducting layer on the disc bottom, the heat-conducting performance of the tray is greatly enhanced, which is conducive to the rapid freeze-drying process of the dry powder, effectively shortens the freeze-drying time, and improves the overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0021] Figure 1 It is a three-dimensional schematic view of an embodiment of the freeze-drying tray of the present application.

[0022] Figure 2 For Figure 1 A top view of the freeze-drying tray;

[0023] Figure 3 For Figure 1 A partial enlarged view of the freeze-drying tray. DETAILED DESCRIPTION

[0024] The embodiments are described below in detail, but it should be noted that these embodiments are not a limitation on the utility model, and equivalent transformations or substitutions of function, method, or structure made by those skilled in the art based on the embodiments are within the protection scope of the utility model.

[0025] The utility model provides a freeze-drying tray, it includes: heat conduction layer and tray body, the tray body includes: disc bottom and from the disc bottom four circumferential edge protruding end side wall, the disc bottom and four circumferential side wall enclose a space suitable for storing freeze-dried powder, the outer side of disc bottom and / or four circumferential side wall is provided with convex rib still, the tray body and its on convex rib are all plastic material, the heat conduction layer is located on the inner side wall of disc bottom, and is closely combined with the inner side wall, the heat conduction layer evenly covers the inner side wall of disc bottom, and carries out heat conduction with the space of storing freeze-dried powder.

[0026] The technical scheme of the freeze-drying tray of the utility model is illustrated below in conjunction with an embodiment.

[0027] As Figures 1-3 Illustrated, the embodiment provides a freeze-drying tray, gas includes: heat conduction layer 10 and tray body 20. Wherein, the tray body 20 includes: disc bottom 21 and from the disc bottom 21 four circumferential edge protruding end side wall 22.

[0028] Specifically, the tray body 20 is plastic material. Thus, compared with traditional stainless steel tray, the product itself is light and handy, which greatly reduces the burden of freeze-drying equipment in the running process. Equipment wear and tear is reduced, and maintenance cost is reduced. At the same time, the lighter tray is also easier to move and position in the equipment, further improving the flexibility and efficiency of automated production. The plastic material is PE.

[0029] The disc bottom 21 and four circumferential side wall 22 enclose a space suitable for storing freeze-dried powder. In order to obtain larger storage space, the four circumferential side wall 22 is outwardly inclined, so that the side wall 22 and the disc bottom 21 have an angle, so that the freeze-drying tray has a horn mouth.

[0030] In addition, in order to facilitate the operation and picking of the freeze-drying tray, the edge of the side wall 22 is further provided with a flange 23 extending outwardly and parallel to the tray bottom 21. In an embodiment, the tray bottom 21, the peripheral side wall 22 and the flange 23 thereon are integrally injection molded. At this time, the tray bottom 21, the peripheral side wall 22 and the flange 23 thereon are injection molded from PE material.

[0031] In order to improve the strength of the tray body 20, the outer side of the tray bottom 21 and / or the peripheral side wall 22 is further provided with a rib 24; the tray body 20 and the rib 24 thereon are both of plastic material. In an embodiment, the tray bottom 21 and the peripheral side wall 22 are both provided with the rib 24, at this time the ribs 24 on the tray bottom 21 and the peripheral side wall 22 are both in multiple, and the multiple ribs 24 on each surface are arranged in parallel with each other. In order to facilitate the molding of the above-mentioned rib 24, the tray bottom 21, the peripheral side wall 22 and the rib 24 on each surface are integrally injection molded.

[0032] The heat-conducting layer 10 is located on the inner side wall 22 of the tray bottom 21 and is tightly combined with the inner side wall; the heat-conducting layer 10 uniformly covers the inner side wall of the tray bottom 21 and conducts heat with the space for storing freeze-dried powder. In this way, by providing the heat-conducting layer 10 on the tray bottom 21, the heat-conducting performance of the tray is greatly enhanced, which is conducive to the freeze-drying process of the dry powder to be carried out more quickly, effectively shortens the freeze-drying time, and thus improves the overall production efficiency. In an embodiment, the heat-conducting layer 10 is a transparent polymer film. The thickness of the transparent polymer film is 250 μm.

[0033] In addition, in order to facilitate the combination of the heat-conducting layer 10 and the tray bottom 21, the heat-conducting layer 10 is tightly combined with the tray bottom 21 by heat-conducting glue. The heat-conducting glue can be provided in the form of coating or dispensing between the heat-conducting layer 10 and the tray bottom 21.

[0034] In summary, compared with the traditional stainless steel tray, the freeze-drying tray of the present application has a light and convenient product itself, which greatly reduces the burden of the freeze-drying equipment during operation. The equipment wear is reduced, and the maintenance cost is reduced. At the same time, the lighter tray is also easier to move and position in the equipment, further improving the flexibility and efficiency of automatic production. Further, by providing a heat-conducting layer on the tray bottom, the heat-conducting performance of the tray is greatly enhanced, which is conducive to the freeze-drying process of the dry powder to be carried out more quickly, effectively shortens the freeze-drying time, and thus improves the overall production efficiency.

[0035] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the appended claims and not by the above description, which is therefore intended to be included within the present application insofar as it falls within the meaning and the scope of the equivalent elements of the claims.

[0036] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment exhibits only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the present specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A freeze-drying tray, characterized by The freeze-drying tray comprises a heat-conducting layer and a tray body; The tray body comprises a bottom and a side wall extending from the periphery of the bottom, and the bottom and the side wall enclose a space for storing freeze-dried powder; the outer side of the bottom and / or the side wall is provided with a convex rib; the tray body and the convex rib thereon are made of plastic; The heat-conducting layer is located on the inner side of the bottom and is tightly combined with the inner side; the heat-conducting layer uniformly covers the inner side of the bottom and conducts heat with the space for storing freeze-dried powder.

2. The freeze-drying tray according to claim 1, characterized in that The edge of the side wall is further provided with a flange extending outwardly and parallel to the bottom.

3. The freeze-drying tray according to claim 2, characterized in that The bottom, the side wall and the flange thereon are integrally injection molded.

4. The freeze-drying tray according to claim 3, characterized in that The bottom, the side wall and the flange thereon are made of PE.

5. The freeze-drying tray of claim 1, wherein, The side wall is outwardly inclined.

6. The freeze-drying tray of claim 1, wherein, The bottom and the side wall are both provided with the convex rib, and the convex rib on the bottom and each side wall is in plurality, and the plurality of convex ribs on each surface are arranged in parallel.

7. The freeze-drying tray according to claim 6, characterized in that The bottom, the side wall and the convex rib on each surface are integrally injection molded.

8. The freeze-drying tray of claim 1, wherein, The heat-conducting layer is tightly combined with the bottom by heat-conducting glue.

9. The freeze-drying tray of claim 1, wherein, The heat-conducting layer is a transparent polymer film.

10. The freeze-drying tray according to claim 9, characterized in that The thickness of the transparent polymer film is 250 μm.

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