Slitting device for preparing color film agent and composite film agent

Abstract

The utility model provides a slitting device for preparing a color film agent and a composite film agent, which comprises a slurry input port and two spacer blocks which are sequentially arranged according to the sequence of slurry flowing through, and the two spacer blocks are symmetrically distributed on two sides of the axis of the slurry input port; one or more separation strips are arranged between the two separation blocks and behind the slurry input port, the separation blocks and the separation strips are arranged in parallel, and the separation blocks and the separation strips are fixedly connected through screw rods. The striping device for preparing the color film agent and the composite film agent is simple and reasonable in structure and strong in integrity, can prepare medicine-containing films with various colors, can enable each medicine-containing film to have a unique color, increases the identification degree of film-shaped preparations, and is particularly beneficial for elderly patients with blurred vision to take medicine and improving the enthusiasm of children patients to take medicine; by using a left-right compounding preparation process, the preparation method of the composite film agent is simplified, and the production efficiency of the film agent is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film-shaped preparation medicine manufacturing, in particular to a stripping device for preparing colored film preparations and composite film preparations. Background Art

[0002] Film preparations refer to film-like preparations made by processing drugs and suitable film-forming materials. Film preparations have a wide range of administration routes and can be administered orally, buccally, sublingually, into the conjunctival sac, and into the vagina. They can also be used to cover the surfaces of skin and mucosal trauma, burns, or inflammation.

[0003] Films are divided into single-layer films, multi-layer composite films and sandwich films. The shape, size and thickness of the film depend on the characteristics of the medication site and the drug content. The thickness of the general film is 0.05-0.2mm.

[0004] Film preparations are generally composed of drugs, polymer film-forming materials, plasticizers, surfactants and pigments. The addition of pigments can increase the aesthetics of film preparations, facilitate use and improve the mood of aversion to taking medications.

[0005] In addition, as the global aging population deepens, composite film preparations also provide some help in solving the difficulties of combination medication for elderly patients.

[0006] However, the current pharmaceutical films are all transparent or monochrome (including composite films containing multiple monochrome films), and the color is relatively single, such as the film preparations and orodissolving film preparations disclosed in Chinese Patent Application Nos.: 201310046861.9 and 201510476685.1; and, at present, the preparation method of composite films is mainly to use an adhesive to bond two single film tablets together, or to directly prepare a composite single tablet containing two drugs. Both methods are difficult to develop, such as the fast-dissolving film preparation method and orodissolving film preparation method disclosed in Chinese Patent Application Nos.: 202011479482.5 and 202311326679.9. Utility Model Content

[0007] In view of this, the purpose of the utility model is to design a slitting device for preparing colored film preparations and composite film preparations, which can prepare drug-containing films of various colors, so that each drug-containing film has a unique color, thereby increasing the recognition of film preparations, thereby facilitating elderly patients with blurred vision to take medicines and improving the enthusiasm of children to take medicines; using a left-right composite preparation process, simplifying the preparation method of composite films, and improving the production efficiency of films.

[0008] The utility model provides a stripping device for preparing a colored film and a composite film, comprising:

[0009] A slurry inlet and two spacer blocks are arranged in sequence in the front-to-back order of slurry flow, and the two spacer blocks are symmetrically distributed on both sides of the axis of the slurry inlet; one or more dividing strips are arranged between the two spacer blocks and behind the slurry inlet, and the spacer blocks and the dividing strips are placed in parallel and fixedly connected by screws.

[0010] Furthermore, the spacer is made of polytetrafluoroethylene (PTFE).

[0011] Polytetrafluoroethylene (PTFE), commonly known as the "king of plastics", is a high molecular polymer made by polymerizing tetrafluoroethylene as a monomer. Its chemical formula is (C2F4)n. It has excellent heat and cold resistance and can be used for a long time at -180 to 260°C. PTFE material is resistant to acids, alkalis, and various organic solvents, and is almost insoluble in all solvents. At the same time, polytetrafluoroethylene is resistant to high temperatures, and the friction coefficient of PTFE is extremely low.

[0012] Furthermore, the partition strip is made of metal.

[0013] Metal partitions can be designed with a relatively thin thickness to achieve higher structural strength and stability.

[0014] Furthermore, the screw is made of metal.

[0015] The metal screw structure has high strength and can maintain the stability of the connection between the spacer and the dividing strip.

[0016] Furthermore, the length of the slurry inlet is 1 to 20 cm. Preferably, the length of the slurry inlet is 5 to 15 cm.

[0017] Furthermore, the spacer has a height of 1 to 10 cm, a width of 1 to 10 cm, and a length of 8 to 20 cm. Preferably, the spacer has a height of 2 to 6 cm, a width of 2 to 6 cm, and a length of 10 to 16 cm.

[0018] Furthermore, the width of the separator strip is 0.05 to 0.30 cm. Preferably, the width of the separator strip is 0.10 to 0.20 cm.

[0019] The width of the separator strip is crucial to the preparation of the composite film. If the width is too small, the metal strip is easily deformed, and if the width is too small, the interval in the middle of the composite film will be too large, and the composite cannot be completed.

[0020] The processes for preparing the colored film and the composite film of the utility model are as follows:

[0021] 1. Prepare two colors of slurry, connect the slurry to the slurry input port respectively, and pump them into the slitting device (remove the partition plate) through the peristaltic pump. The two different colors of slurry are mixed in the middle of the two partitions. The film is prepared by the casting method, and the color film with random colors can be prepared.

[0022] 2. Prepare two or more slurries of different colors (or containing two drugs), connect the slurries to the slurry input ports respectively, and pump them into the two sides of the dividing strip inside the slitting device through the peristaltic pump. The slurries of different colors are separated by the dividing plate. After flowing out by the casting method, they are reconnected into a composite film due to surface tension.

[0023] Compared with the prior art, the utility model has the following beneficial effects on the culvert structure for reinforcing the roadbed bottom:

[0024] The utility model discloses a stripper for preparing colored films and composite films, which has a simple and reasonable structure and strong integrity, and can prepare drug-containing films of various colors, so that each drug-containing film has a unique color, thereby increasing the recognition of film preparations, and is especially beneficial for elderly patients with blurred vision to take medicines and for increasing the enthusiasm of children to take medicines; the use of a left-right composite preparation process simplifies the preparation method of the composite film and effectively improves the production efficiency of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the structure of a stripper for preparing colored films and composite films according to an embodiment of the utility model.

[0027] The symbols in the accompanying drawings are:

[0028] 1. Slurry input port, 2. Spacer, 3. Screw, 4. Separator. DETAILED DESCRIPTION

[0029] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] In the description of the present invention, it should be noted that the terms "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0033] The utility model embodiment provides a stripper for preparing color film and composite film, see Figure 1 As shown, including:

[0034] A slurry inlet 1 and two spacer blocks 2 are arranged in sequence in the front-to-back order of slurry flow, and the two spacer blocks 2 are symmetrically distributed on both sides of the axis of the slurry inlet 1; a partition bar 4 is arranged between the two spacer blocks 2 and behind the slurry inlet 1, and the spacer block 2 and the partition bar 4 are placed in parallel, and the spacer block 2 and the partition bar 4 are fixedly connected by a screw 3.

[0035] The spacer block 2 is made of polytetrafluoroethylene (PTFE).

[0036] Polytetrafluoroethylene (PTFE), commonly known as the "king of plastics", is a high molecular polymer made by polymerizing tetrafluoroethylene as a monomer. Its chemical formula is (C2F4)n. It has excellent heat and cold resistance and can be used for a long time at -180 to 260°C. PTFE material is resistant to acids, alkalis, and various organic solvents, and is almost insoluble in all solvents. At the same time, polytetrafluoroethylene is resistant to high temperatures, and the friction coefficient of PTFE is extremely low.

[0037] The partition bar 4 is made of metal. The partition bar 4 made of metal can be designed with a relatively thin thickness to obtain higher structural strength and stability.

[0038] The screw rod 3 is made of metal. The metal screw rod has high structural strength and can maintain the stability of the connection between the spacer block 2 and the partition bar 4.

[0039] In this embodiment, the length of the slurry inlet 2 is 15 cm. The height of the spacer 2 is 3 cm, the width is 6 cm, and the length is 16 cm. The width of the dividing strip 4 is 0.20 cm.

[0040] The width of the separator strip 4 is crucial to the preparation of the composite film. If the width is too small, the metal strip is easily deformed, and if the width is too small, the interval in the middle of the composite film will be too large, and the composite cannot be completed.

[0041] The processes for preparing the colored film and the composite film in the embodiment of the utility model are as follows:

[0042] 1. Prepare two colors of slurry, connect the slurry to the slurry input port 1 respectively, and pump them into the slitting device (remove the partition plate 3) through the peristaltic pump. The two different colors of slurry are mixed in the middle of the two spacers 2. The film is prepared by the casting method, and a color film with random colors can be prepared.

[0043] 2. Prepare two colors of slurry (or containing two drugs), connect the slurry to the slurry input port 1 respectively, and pump it into the two sides of the partition plate 3 inside the slitting device through the peristaltic pump. The two different colors of slurry are separated by the partition plate 3. After flowing out by the casting method, they are reconnected into a composite film on the left and right due to surface tension.

[0044] So far, the technical solution of the utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the utility model.

[0045] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stripper for preparing colored film and composite film, characterized in that: include: A slurry inlet and two spacer blocks are arranged in sequence in the front-to-back order of slurry flow, and the two spacer blocks are symmetrically distributed on both sides of the axis of the slurry inlet; one or more dividing strips are arranged between the two spacer blocks and behind the slurry inlet, and the spacer blocks and the dividing strips are placed in parallel and fixedly connected by screws.

2. The stripper for preparing colored film and composite film according to claim 1, characterized in that: The spacer is made of polytetrafluoroethylene (PTFE).

3. The stripper for preparing colored film and composite film according to claim 1, characterized in that: The dividing strip is made of metal.

4. The stripper for preparing colored film and composite film according to claim 1, characterized in that: The screw is made of metal.

5. The stripper for preparing colored film and composite film according to claim 1, characterized in that: The length of the slurry input port is 1 to 20 cm.

6. The stripper for preparing colored film and composite film according to claim 5, characterized in that: The length of the slurry input port is 5 to 15 cm.

7. The stripper for preparing colored film and composite film according to claim 2, characterized in that: The spacer has a height of 1 to 10 cm, a width of 1 to 10 cm, and a length of 8 to 20 cm.

8. The stripper for preparing colored film and composite film according to claim 7, characterized in that: The spacer has a height of 2 to 6 cm, a width of 2 to 6 cm, and a length of 10 to 16 cm.

9. The stripper for preparing colored film and composite film according to claim 3, characterized in that: The width of the dividing strip is 0.05-0.30 cm.

10. The stripper for preparing colored film and composite film according to claim 9, characterized in that: The width of the dividing strip is 0.10-0.20 cm.

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