Split porous ring mold

Abstract

The utility model discloses split multihole annular mould relates to tablet pressing technical field, including lower punch body and lower punch seat, the top of lower punch body is connected with the bottom insertion of lower punch seat, the inside of lower punch body and lower punch seat is hollow, lower punch assembly, lower punch assembly sets up in the inner chamber of lower punch seat, the utility model discloses through setting lower punch assembly, support assembly, lower punch, first cooperation hole, lower punch core rod, core rod support seat, core rod seat, second cooperation hole and positioning pin, the solution that mould bottom needs to open the bigger hole, if the overall mould bottom trepan is too big, will directly reduce the stress area of mould body, and the mould needs to bear high frequency high pressure in the pressing process, and the weak bottom structure is easy to appear crack and deformation, not only shortens the service life of mould, but also can lead to the quality problem such as the appearance of the tablet edge, the angle defect, reaches long -term use and guarantees the effect of drug quality.

Description

Technical Field

[0001] This utility model relates to the field of tablet compression technology, specifically a split-type multi-hole ring mold. Background Technology

[0002] The split-type multi-hole ring mold is the core component of a pharmaceutical tablet press, mainly used for mass production of ring-shaped tablets, adapting to the large-scale and standardized tablet pressing needs of the pharmaceutical industry.

[0003] However, the above-mentioned device still has the following problems during implementation: Existing technology often uses an integral mold for pressing ring-shaped tablets with rotary tablet presses. The lower core rod needs to be inserted from the bottom of the mold, so a relatively large hole needs to be made at the bottom of the mold. If the hole at the bottom of the integral mold is too large, it will directly reduce the stress area of ​​the mold body. During the pressing process, the mold needs to withstand high frequency and high pressure. The weak bottom structure is prone to cracks and deformation, which not only shortens the service life of the mold, but may also cause the tablets to have burrs, missing corners and other quality problems. Therefore, a split multi-hole ring mold is proposed to solve the above problems. Utility Model Content

[0004] To address the problems mentioned in the background art, the purpose of this utility model is to provide a split multi-hole ring mold, which has the advantages of long-term use and ensuring drug quality. It solves the problem that the bottom of the mold needs to have a relatively large hole. If the bottom hole of the integral mold is too large, it will directly reduce the stress area of ​​the mold body. During the pressing process, the mold needs to withstand high frequency and high pressure. The weak bottom structure is prone to cracks and deformation, which not only shortens the service life of the mold, but may also cause quality problems such as burrs and missing corners on the tablets.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a split multi-hole annular mold, including a lower punch body and a lower punch seat, wherein the top of the lower punch body is inserted and connected to the bottom of the lower punch seat, and the interior of the lower punch body and the lower punch seat is hollow; A lower punch assembly, wherein the lower punch assembly is disposed in the inner cavity of the lower punch seat; A support assembly is disposed within the inner cavity of the core rod support seat.

[0006] As a preferred embodiment of the present invention, the lower punch assembly includes a lower punch head, which is movably connected to the inner cavity of the lower punch seat. The top of the lower punch head is provided with a first mating hole, and there are multiple first mating holes. A lower punch core rod is inserted into the inner cavity of the first mating hole.

[0007] In a preferred embodiment of this invention, the support assembly includes a core rod support seat, which is movably connected to the inner cavity of the lower punch body. A core rod seat is sleeved on the surface of the core rod support seat, and a second mating hole for cooperating with the lower punch core rod is opened on the top of the core rod seat. The number of second mating holes is multiple, and the lower punch core rod is movably connected to the inner cavity of the second mating hole.

[0008] As a preferred embodiment of this invention, the inner cavities of the core rod support and the core rod seat are connected by positioning pins.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model solves the problem of needing a relatively large hole at the bottom of the mold by setting up a lower punch assembly, a support assembly, a lower punch head, a first mating hole, a lower punch core rod, a core rod support seat, a core rod seat, a second mating hole, and a positioning pin. If the bottom hole of the integral mold is too large, it will directly reduce the stress area of ​​the mold body. During the pressing process, the mold needs to withstand high frequency and high pressure. The weak bottom structure is prone to cracks and deformation, which not only shortens the service life of the mold, but may also cause quality problems such as burrs and missing corners on the tablets. This invention achieves the effect of long-term use and ensuring the quality of medicines.

[0010] 2. This utility model features a lower punch assembly with high strength, an upper punch with an elliptical discharge groove, and a storage chamber inside the punch body and punch. When in use, the lower punch can be used to form tablets by rising and cooperating with the upper punch device. It can also push the tablets out by rising. The lower punch core rod can be well connected and cooperated with the upper punch device.

[0011] 3. This utility model, by setting a support component and a positioning pin, places the lower punch core rod in the inner cavity of the core rod seat, and then the top passes through the second mating hole to the first mating hole at the bottom of the upper punch head. Then, the core rod support seat is inserted into the core rod seat, which can hold the bottom of the lower punch core rod in place. In this way, the position of the lower punch core rod is positioned. The core rod seat and the core rod support seat are connected by a positioning pin, which makes disassembly simple, low cost, and ensures positioning accuracy, while also facilitating the replacement of the lower punch core rod. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a three-dimensional sectional view of the lower punch. Figure 3 This is a three-dimensional sectional view of the lower punch. Figure 4 A three-dimensional schematic diagram of the supporting components; Figure 5 This is a three-dimensional schematic diagram of the punch assembly.

[0013] In the figure: 1. Lower punch body; 2. Lower punch seat; 3. Lower punch assembly; 4. Support assembly; 31. Lower punch head; 32. First mating hole; 33. Lower punch core rod; 41. Core rod support seat; 42. Core rod seat; 43. Second mating hole; 5. Positioning pin. Detailed Implementation

[0014] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0015] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0016] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0017] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0018] Example 1 Reference Figure 1-5 The first embodiment of this utility model provides a split multi-hole annular mold, including a lower punch body 1 and a lower punch seat 2. The top of the lower punch body 1 is inserted and connected to the bottom of the lower punch seat 2. The interiors of the lower punch body 1 and the lower punch seat 2 are hollow. The lower punch assembly 3 is disposed in the inner cavity of the lower punch seat 2; Support component 4 is disposed in the inner cavity of core rod support seat 41.

[0019] Specifically, the device in this case can be used in conjunction with the middle mold and upper punch in a tablet press to compress tablets and also to eject the tablets.

[0020] Example 2 The second embodiment of this utility model provides a split multi-hole annular mold. The lower punch assembly 3 includes a lower punch 31, which is movably connected to the inner cavity of the lower punch seat 2. The top of the lower punch 31 is provided with a first mating hole 32, and there are multiple first mating holes 32. The inner cavity of the first mating hole 32 is inserted and connected to a lower punch core rod 33.

[0021] Specifically, by setting the lower punch assembly 3, the lower punch head 31 has high strength. By rising and cooperating with the upper punch device, it can be squeezed to form a tablet, and it can also push the tablet out by rising. The lower punch core rod 33 can be well connected with the upper punch device.

[0022] Example 3 The third embodiment of this utility model provides a split multi-hole annular mold. The support component 4 includes a core rod support seat 41, which is movably connected to the inner cavity of the lower punch body 1. A core rod seat 42 is sleeved on the surface of the core rod support seat 41. The top of the core rod seat 42 is provided with a second mating hole 43 for cooperating with the lower punch core rod 33. There are multiple second mating holes 43. The lower punch core rod 33 is movably connected to the inner cavity of the second mating hole 43. A positioning pin 5 is inserted into the inner cavity of the core rod support seat 41 and the core rod seat 42.

[0023] Specifically, by setting the support component 4 and the positioning pin 5, the lower punch core rod 33 is set in the inner cavity of the core rod seat 42. Then, the top passes through the second mating hole 43 and into the first mating hole 32 at the bottom of the upper punch. Then, the core rod support seat 41 is inserted into the core rod seat 42 to hold the bottom of the lower punch core rod 33 in place. In this way, the position of the lower punch core rod 33 is positioned. The core rod seat 42 and the core rod support seat 41 are connected by the positioning pin 5. Disassembly is simple and cost-effective, while ensuring positioning accuracy and facilitating the replacement of the lower punch core rod 33.

[0024] Working principle: In this case, the device in question is a punch for a pill. During tablet compression, the lower punch device works in conjunction with the middle die and upper punch device in the tablet compression machine. First, the middle die is fitted onto the surface of the lower punch 31. Then, the powder is filled into the middle die. After that, the lower punch body 1 and the lower punch seat 2 rise to drive the lower punch 31 to discharge the material. After the material is discharged, the upper punch device descends and inserts into the middle die. At this time, the lower punch core rod 33 is also inserted into the corresponding hole of the upper punch device. The tablet is formed by the compression of the upper punch device and the lower punch 31. Then, the upper punch device rises and detaches from the middle die. Then, the lower punch body 1 and the lower punch seat 2 rise to drive the lower punch 31 to push out the tablet. After that, a tablet-collecting device will collect the tablet.

[0025] In summary, the combination of the lower punch assembly 3, the support assembly 4, the lower punch head 31, the first mating hole 32, the lower punch core rod 33, the core rod support seat 41, the core rod seat 42, the second mating hole 43, and the positioning pin 5 achieves the effect of long-term use and ensures the quality of medicines.

[0026] The lower punch body 1, lower punch seat 2, lower punch head 31, lower punch core rod 33, core rod support seat 41, core rod seat 42 and positioning pin 5 used in this application can be additionally equipped with protective measures of common knowledge in this technical field under different usage environments, including but not limited to the following methods, such as spraying a high-hardness coating, or an anti-stick coating, or changing the hardness of the heat treatment, etc., which are common technical means used by those skilled in the art.

[0027] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0028] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0029] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A split-type multi-hole annular mold, comprising a lower punch body (1) and a lower punch seat (2), characterized in that: The top of the lower punch (1) is inserted into the bottom of the lower punch seat (2), and the interiors of the lower punch (1) and the lower punch seat (2) are hollow. The lower punch assembly (3) is disposed in the inner cavity of the lower punch seat (2); Support component (4) is disposed in the inner cavity of core rod support seat (41).

2. The split-type multi-hole annular mold according to claim 1, characterized in that: The lower punch assembly (3) includes a lower punch (31), which is movably connected to the inner cavity of the lower punch seat (2). The top of the lower punch (31) is provided with a first mating hole (32), and there are multiple first mating holes (32). The inner cavity of the first mating hole (32) is inserted and connected to a lower punch core rod (33).

3. The split-type multi-hole annular mold according to claim 2, characterized in that: The support assembly (4) includes a core rod support seat (41), which is movably connected to the inner cavity of the lower punch body (1). A core rod seat (42) is sleeved on the surface of the core rod support seat (41). A second mating hole (43) for use with the lower punch core rod (33) is opened on the top of the core rod seat (42). There are multiple second mating holes (43). The lower punch core rod (33) is movably connected to the inner cavity of the second mating hole (43).

4. The split-type multi-hole annular mold according to claim 3, characterized in that: The inner cavities of the core rod support (41) and the core rod seat (42) are connected by positioning pins (5).

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