Novel freeze-drying ball forming mold

Abstract

The utility model discloses a novel freeze-drying ball forming die which comprises an upper die and a lower die, a freeze-drying ball forming cavity is arranged between the upper die and the lower die, a protruding sealing ring of the upper die can be matched and sealed with an annular sealing groove of the lower die, an upper die temperature control water channel is arranged in the upper die, and a lower die temperature control water channel is arranged in the lower die. According to the technical scheme that the protruding sealing ring of the upper die can be matched with the annular sealing groove of the lower die for sealing, the sealing performance of the freeze-drying ball forming cavity is improved, flashes of a die parting surface are reduced, and flaws of the spherical appearance are reduced; according to the technical scheme that the upper mold temperature control water channel is arranged in the upper mold and the lower mold temperature control water channel is arranged in the lower mold, a quick and accurate temperature returning scheme after freeze-drying balls are formed is provided, the demolding difficulty is reduced, the yield is increased, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of freeze-dried ball forming molds, in particular to a novel freeze-dried ball forming mold. Background Art

[0002] Freeze-dried balls of drugs, cosmetics, and protein substances are a common product packaging form. In the existing freeze-dried ball molds, flash will be formed on the parting surface after the liquid material is canned into the spherical bin, which will cause defects in the spherical appearance after the freeze-dried balls are formed;

[0003] During demolding, the adhesion force between the sphere and the mold is enhanced at low temperature, making it difficult to demold and resulting in difficult parting of the mold. It is extremely easy to cause the sphere to be divided into two halves or damaged, resulting in a low product yield rate, wasting materials and raising production costs. Summary of the Utility Model

[0004] The utility model discloses a novel freeze-dried ball forming mold, including: an upper mold and a lower mold. A freeze-dried ball forming cavity is arranged between the upper mold and the lower mold. The protruding sealing ring of the upper mold can cooperate with the annular sealing groove of the lower mold for sealing. An upper mold temperature control water channel is arranged inside the upper mold, and a lower mold temperature control water channel is arranged inside the lower mold. Through the technical solution that the protruding sealing ring of the upper mold can cooperate with the annular sealing groove of the lower mold for sealing, the utility model increases the sealing performance of the freeze-dried ball forming cavity, reduces the flash on the parting surface, and reduces the defects in the spherical appearance; through the technical solution that an upper mold temperature control water channel is arranged inside the upper mold and a lower mold temperature control water channel is arranged inside the lower mold, the utility model provides a rapid and accurate temperature recovery solution after the freeze-dried balls are formed, reduces the demolding difficulty, increases the yield rate, and reduces the production cost.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] A novel freeze-dried ball forming mold, including: an upper mold and a lower mold. A freeze-dried ball forming cavity is arranged between the upper mold and the lower mold. The protruding sealing ring of the upper mold can cooperate with the annular sealing groove of the lower mold for sealing. An upper mold temperature control water channel is arranged inside the upper mold, and a lower mold temperature control water channel is arranged inside the lower mold.

[0007] Further, upper hemispherical cavities arranged at intervals are arranged inside the upper mold. A protruding sealing ring is arranged at the position of the maximum diameter of the upper hemispherical cavity. The protruding sealing ring protrudes from the parting surface of the upper mold. A top liquid injection hole is arranged at the top of the upper hemispherical cavity. The top liquid injection hole penetrates through the upper hemispherical cavity and the upper end surface of the upper mold.

[0008] Further, one end of the upper mold temperature control water channel arranged inside the upper mold is an upper mold water inlet, and the other end of the upper mold temperature control water channel arranged inside the upper mold is an upper mold water outlet.

[0009] Further, lower hemispherical cavities arranged at intervals are provided inside the lower mold. When the lower mold is combined with the upper mold, the upper hemispherical cavity and the lower hemispherical cavity are combined into a freeze-dried ball forming cavity. An annular sealing groove is arranged at the position of the maximum diameter of the lower hemispherical cavity. The annular sealing groove is recessed in the parting surface of the lower mold, and a protruding sealing ring is embedded in the annular sealing groove to further seal the freeze-dried ball forming cavity.

[0010] Further, one end of the lower mold temperature control water channel provided inside the lower mold is the lower mold water inlet, and the other end of the lower mold temperature control water channel provided inside the lower mold is the lower mold water outlet.

[0011] Through the technical solution that the protruding sealing ring of the upper mold can cooperate with the annular sealing groove of the lower mold for sealing, the present utility model increases the sealing performance of the freeze-dried ball forming cavity, reduces the flash at the parting surface, and reduces the defects on the spherical appearance;

[0012] Through the technical solution of providing an upper mold temperature control water channel inside the upper mold and a lower mold temperature control water channel inside the lower mold, a rapid and accurate rewarming solution after freeze-dried ball forming is provided, reducing the demolding difficulty, increasing the qualified rate, and reducing the production cost. Description of the Drawings

[0013] Figure 1 is a sectional view of the present utility model;

[0014] Figure 2 is a partial sectional view of the upper mold of the present utility model;

[0015] Figure 3 is a bottom view of the upper mold of the present utility model;

[0016] Figure 4 is a top view of the upper mold of the present utility model;

[0017] Figure 5 is a partial sectional view of the lower mold of the present utility model;

[0018] Figure 6 is a top view of the lower mold of the present utility model;

[0019] Figure 7 is a bottom view of the lower mold of the present utility model;

[0020] In the figure: upper mold 1, upper hemispherical cavity 2, top liquid injection hole 3, protruding sealing ring 4, upper mold temperature control water channel 5, upper mold water inlet 6, upper mold water outlet 7,

[0021] lower mold 8, lower hemispherical cavity 9, annular sealing groove 10, lower mold temperature control water channel 11, lower mold water inlet 12, lower mold water outlet 13, freeze-dried ball forming cavity 14, parting surface 15. Detailed Embodiments

[0022] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following provides a detailed description of the specific embodiments of the present utility model in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the present utility model is described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present utility model, for ease of explanation, the cross-sectional views showing the device structure are enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0025] To make the purpose, technical solution, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail in conjunction with the accompanying drawings.

[0026] According to the content of the claims and the specification, the specific embodiments are as follows:

[0027] As Figure 1-7 shown:

[0028] A novel freeze-dried ball forming mold, comprising: an upper mold 1 and a lower mold 8. A freeze-dried ball forming cavity 14 is provided between the upper mold 1 and the lower mold 8. It is characterized in that the protruding sealing ring 4 of the upper mold 1 can cooperate with the annular sealing groove 10 of the lower mold 8 for sealing, and an upper mold temperature control water channel 5 is provided inside the upper mold 1, and a lower mold temperature control water channel 11 is provided inside the lower mold 8.

[0029] Preferably, the upper mold 1 is provided with upper hemispherical cavities 2 arranged at intervals. The protruding sealing ring 4 is provided at the maximum diameter position of the upper hemispherical cavity 2. The protruding sealing ring 4 protrudes from the parting surface of the upper mold 1. A top liquid injection hole 3 is provided at the top of the upper hemispherical cavity 2, and the top liquid injection hole 3 penetrates through the upper hemispherical cavity 2 and the upper end face of the upper mold 1.

[0030] Preferably, one end of the upper mold temperature control water channel 5 provided inside the upper mold 1 is the upper mold water inlet 6, and the other end of the upper mold temperature control water channel 5 provided inside the upper mold 1 is the upper mold water outlet 7.

[0031] Preferably, the lower mold 8 is internally provided with lower hemispherical cavities 9 arranged at intervals. When the lower mold 8 is clamped with the upper mold 1, the upper hemispherical cavity 2 and the lower hemispherical cavity 9 are combined into a freeze-dried ball forming cavity 14. An annular sealing groove 10 is arranged at the position of the maximum diameter of the lower hemispherical cavity 9. The annular sealing groove 10 is recessed in the parting surface of the lower mold 8, and the protruding sealing ring 4 is embedded in the annular sealing groove 10 to further seal the freeze-dried ball forming cavity 14.

[0032] The technical solution of the utility model that the protruding sealing ring 4 of the upper mold 1 can cooperate with the annular sealing groove 10 of the lower mold 8 for sealing increases the sealing performance of the freeze-dried ball forming cavity 14, reduces the flash at the parting surface 15, and reduces the defects on the spherical appearance;

[0033] Preferably, one end of the lower mold temperature control water channel 11 arranged inside the lower mold 8 is the lower mold water inlet 12, and the other end of the lower mold temperature control water channel 11 arranged inside the lower mold 8 is the lower mold water outlet 13.

[0034] Before the freeze-dried ball forming mold is filled with liquid and then placed in a freeze dryer for spherical freeze-drying, a low-temperature refrigerant with a freezing point lower than the freeze-drying temperature of the freeze dryer can be injected into the upper mold temperature control water channel 5 and the lower mold temperature control water channel 11 to accelerate the formation of the freeze-dried ball, reduce the freeze-drying forming time of the freeze-dried ball, and increase the production efficiency.

[0035] Before the freeze-dried ball needs to be demolded from the freeze-dried ball forming cavity 14 after the freeze-dried ball is formed, the refrigerant in the upper mold temperature control water channel 5 and the lower mold temperature control water channel 11 can be replaced with a liquid with a temperature sufficient to satisfy the adhesion force between the freeze-dried ball and the freeze-dried ball forming cavity 14, so that the freeze-dried ball can be smoothly demolded from the mold.

[0036] Through the technical solution of arranging the upper mold temperature control water channel 5 inside the upper mold 1 and the lower mold temperature control water channel 11 inside the lower mold 8, a rapid and accurate rewarming solution after the freeze-dried ball is formed is provided, the demolding difficulty is reduced, the qualified product rate is increased, and the production cost is reduced.

[0037] Although the present utility model has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present utility model can be combined with each other in any way. The reason for not exhaustively describing the situations of these combinations in this specification is only to save space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A novel freeze-dried ball forming mold, comprising: An upper mold (1) and a lower mold (8), wherein a freeze-dried ball forming cavity (14) is arranged between the upper mold (1) and the lower mold (8), and the cavity is characterized in that a protruding sealing ring (4) of the upper mold (1) can cooperate and seal with an annular sealing groove (10) of the lower mold (8), an upper mold temperature control water channel (5) is arranged in the upper mold (1), and a lower mold temperature control water channel (11) is arranged in the lower mold (8).

2. A novel freeze-dried ball forming mold according to claim 1, characterized in that: An upper mold (1) is provided with upper hemispherical cavities (2) arranged at intervals, a protruding sealing ring (4) is provided at the maximum diameter position of the upper hemispherical cavity (2), the protruding sealing ring (4) protrudes from the parting surface of the upper mold (1), and a top injection hole (3) is provided at the top of the upper hemispherical cavity (2), and the top injection hole (3) passes through the upper hemispherical cavity (2) and the upper end surface of the upper mold (1).

3. A novel freeze-dried ball forming mold according to claim 2, characterized in that: One end of the upper mold temperature control water channel (5) provided in the upper mold (1) is the upper mold water inlet (6), and the other end of the upper mold temperature control water channel (5) provided in the upper mold (1) is the upper mold water outlet (7).

4. A novel freeze-dried ball forming mold according to claim 3, characterized in that: The lower mold (8) is provided with lower hemispherical cavities (9) arranged at intervals. When the lower mold (8) and the upper mold (1) are molded together, the upper hemispherical cavity (2) and the lower hemispherical cavity (9) are combined into a freeze-dried ball forming cavity (14). An annular sealing groove (10) is provided at the maximum diameter position of the lower hemispherical cavity (9). The annular sealing groove (10) is sunken and arranged on the parting surface of the lower mold (8). The protruding sealing ring (4) is embedded in the annular sealing groove (10) to further seal the freeze-dried ball forming cavity (14).

5. A novel freeze-dried ball forming mold according to claim 4, characterized in that: One end of the lower mold temperature control water channel (11) provided in the lower mold (8) is the lower mold water inlet (12), and the other end of the lower mold temperature control water channel (11) provided in the lower mold (8) is the lower mold water outlet (13).

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