Combined soft capsule forming mechanism

Abstract

The utility model discloses a combined type soft capsule forming mechanism which comprises a forming roller and an air flow distributor, the forming roller is rotatably installed on a machine frame, a plurality of sets of die grooves are evenly distributed in the circumferential side face of the forming roller, a plurality of air flow channels are arranged in the forming roller, and the same set of die grooves are communicated with the corresponding air flow channels. One end of the airflow channel axially extends to the first end face of the forming roller, and an air vent is formed in the first end face. The air flow distributor is provided with a ventilation groove, the ventilation groove and the first end face are arranged in a dynamic sealing mode, the ventilation groove is connected with a negative pressure source, the forming roller rotates relative to the air flow distributor, and the ventilation openings of the first end face pass through the ventilation groove and communicate with the ventilation groove when the ventilation openings are opposite to the ventilation groove; the air flow channel communicated with the air vent and the set of die grooves are in a negative pressure state, rubber covering the surface of the forming roller is sucked into the set of die grooves, the rubber is attached to the inner surfaces of the die grooves to form a containing cavity, tablets, hard capsules, pellets and the like can be contained in the containing cavity, and processing of soft capsules containing different dosage forms can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soft capsule processing field, concretely is a combined soft capsule forming mechanism. BACKGROUND

[0002] Soft capsules and hard capsules belong to two kinds of ways of medicine packaging, usually soft capsules are used for liquid medicine packaging, and hard capsules are used for powder, pill and other medicine packaging. In recent years, with the development of pharmacy, in order to bring greater convenience to people, soft capsules fill two kinds of medicine, such as the combination of liquid medicine and powder, tablet, pill, hard capsule and the like, not only can contain two kinds of medicine, but also the decomposition sequence of medicine in human body is different, and maximum drug efficacy is exerted.

[0003] The principle of traditional soft capsule production can be seen from the publication number CN119394032A, and the invention name is "anti-adhesion soft capsule pill pressing device", which discloses the following contents: the rubber skin for making soft capsules is transported between two rolling dies, and the two rolling dies are rotated and extruded, the liquid injection assembly is arranged above the rolling die, the liquid injection assembly is used for injecting liquid to the extruded rubber sheet between the two rolling dies, the medicine liquid is injected into the rubber skin extruded together, and the two rolling dies are rolled and pressed from the rubber skin adhered together and injected with liquid to divide the soft capsule pill, and the rolling die rotates and carries away the soft capsule pill. The medicine liquid filled in the traditional soft capsule can be injected into the rubber skin between the liquid injection assembly, but the hard capsule, tablet and powder can not be extruded into the rubber skin by injection, so the existing soft capsule forming structure can not produce soft capsules filled with tablets, capsules and other dosage forms, and can not produce combined soft capsules filled with different dosage forms. CONTENT OF THE UTILITY MODEL

[0004] In view of the technical problems in the background art, the technical problems solved by the utility model are to provide a combined soft capsule forming mechanism, and the rubber skin is actively formed, and the medicine of tablet, pill and other dosage forms can be filled.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: the combined soft capsule forming mechanism, characterized by comprising a first forming module, the first forming module comprising a forming roller and an airflow distributor,

[0006] The forming roller is rotatably installed on the rack, the circumference side of the forming roller is uniformly distributed with a plurality of groups of mold grooves, a plurality of airflow channels are arranged in the forming roller, one group of mold grooves corresponds to one airflow channel, the same group of mold grooves communicates with the corresponding airflow channel, and one end of the airflow channel extends to the first end face of the forming roller in the axial direction and is provided with an air inlet on the first end face.

[0007] The air flow distributor is fixedly installed on the frame, the air flow distributor is provided with an air passage towards the side of the forming roller, and the air passage and the first end face are dynamically sealed, the air passage is connected with the negative pressure source, the forming roller rotates relative to the air flow distributor, the air vents of the first end face pass through the air passage, and the air vents are communicated with the air passage.

[0008] When the air vents are communicated with the air passage, the air flow channels communicated with the air vents and the group of mold grooves are in a negative pressure state, the rubber sheet covering the surface of the forming roller is sucked into the group of mold grooves, the rubber sheet is attached to the inner surface of the mold groove, the concave part of the rubber sheet forms a cavity, the cavity is actively formed and can be filled with tablets, hard capsules, pellets and other medicines, and the liquid medicine can be injected, so that the soft capsules with different dosage forms can be processed.

[0009] Preferably, the air vents of the air flow channels are arranged in a circular shape, and the air vents are equally arranged. The forming roller rotates at a constant speed, and the air vents on the forming roller sequentially pass through the air passage, so that the rubber sheet on the surface of the forming roller is sequentially formed.

[0010] Preferably, the forming roller is provided with a forming station and a sealing station, the air passage of the forming station to the sealing station is kept in a negative pressure state.

[0011] The air flow channels outside the forming station to the sealing station are released from the negative pressure.

[0012] In the forming station, the rubber sheet is attached to the mold groove to form a cavity due to the negative pressure, the rubber sheet is always attached to the mold groove until the sealing is completed, and after the negative pressure is released, the soft capsule can be naturally separated from the mold groove.

[0013] Preferably, the air vent enters the forming station, the mold groove communicated with the air vent is communicated with the air passage, and the negative pressure sucks the rubber sheet on the surface of the forming roller into the mold groove and forms a cavity.

[0014] The air vent is from the forming station to the sealing station, and the air vent is dynamically sealed with the air flow distributor. In the forming station, the air flow channel is kept in a negative pressure state, the air vent is sealed from the forming station to the sealing station, the rubber sheet is attached to the mold groove, and the forming state is maintained.

[0015] Preferably, the air passage covers the air vents from the forming station to the sealing station. The rubber sheet from the forming station to the sealing station is attached to the mold groove due to the negative pressure, and the forming state is maintained.

[0016] Preferably, the forming roller is provided with a feeding station and a filling station, and the feeding station and the filling station are between the forming station and the sealing station. In the feeding station, tablets, powders and hard capsules are added to the cavity formed by the concave part of the rubber sheet, and in the filling station, the liquid medicine is injected into the rubber sheet.

[0017] The air flow distributor is annular, and the mounting shaft at one end of the forming roller is rotationally connected to the frame through the central hole of the air flow distributor.

[0018] Preferably, the air vent groove is in the shape of a circular arc; and the circular arc of the air vent groove is concentrically arranged with the circular air vent.

[0019] Preferably, the soft capsule forming structure further comprises a second forming die set, which is arranged symmetrically with the first forming die set.

[0020] The forming rollers of the first forming die set and the second forming die set are pressed against each other, and the die grooves on the two forming rollers correspond to each other when pressed.

[0021] Preferably, the plurality of groups of die grooves are divided into a first group of die grooves and a second group of die grooves, the two groups of die grooves are arranged alternately in the circumferential direction, and the die grooves of the first group of die grooves and the second group of die grooves are arranged axially offset. The die grooves are arranged compactly, and the first forming die set and the second forming die set respectively add materials to the first group of die grooves and the second group of die grooves, thereby providing production efficiency.

[0022] Preferably, the first forming die set is horizontally movable relative to the second forming die set, and the distance between the two is adjusted.

[0023] The frame is provided with a sliding groove, a sliding block is arranged in the sliding groove, the sliding block is locked with the frame through a locking member, the air flow distributor of the first forming die set is connected with the sliding block, and the forming roller of the first forming die set is rotationally connected with the sliding block. The gap between the two forming rollers is adjusted to meet the requirements of rolling and pressing the two rubber skins into soft capsules.

[0024] Preferably, the forming rollers of the first forming die set and the second forming die set are provided with a spray body above the rolling position, and the spray nozzle of the spray body is close to the rolling position of the two forming rollers. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model.

[0026] Figure 2 It is an exploded view of the utility model.

[0027] Figure 3 It is a schematic diagram of the forming roller of the utility model.

[0028] Figure 4 It is a sectional view of the forming roller of the utility model.

[0029] Figure 5 It is a front view of the distributor of the utility model. DETAILED DESCRIPTION

[0030] The relevant details and working principles of the embodiments and the working principles of the embodiments of the present application are described below in conjunction with the accompanying drawings. The combined soft capsule forming mechanism comprises a first forming module 1, a second forming module 2 and a spraying body 5. The first forming module and the second forming module are symmetrically arranged left and right, and both comprise a forming roller 11, 21 and an airflow distributor 13. The forming roller is rotatably installed on a rack, and the circumference side of the forming roller is uniformly distributed with a plurality of groups of mold grooves 15. The forming rollers of the first forming module and the second forming module are pressed by counter-rotating rollers, and the mold grooves on the two forming rollers correspond one by one when the rollers are pressed. The mold grooves in the same group are arranged axially, and one group of mold grooves is provided by at least two. As shown in Figure 2 , a plurality of groups of mold grooves are arranged in alignment in the circumferential direction. As shown in Figure 3 , the plurality of groups of mold grooves are divided into a first group of mold grooves 151 and a second group of mold grooves 152, and the two groups of mold grooves are alternately arranged in the circumferential direction. The mold grooves of the first group and the second group are axially misaligned.

[0031] A plurality of airflow channels 16 are arranged in the forming roller, one end of the airflow channel extends axially to the first end face 17 of the forming roller and is provided with an air inlet 12 at the first end face. One group of mold grooves corresponds to one airflow channel 16, and the mold grooves in the same group communicate with the corresponding airflow channel. The airflow distributor is fixedly installed on the rack, and the side of the airflow distributor facing the forming roller is a matching surface 19. The matching surface is provided with an air passage 14, and the air passage 14 and the first end face 17 are dynamically sealed, that is, the first end face rotates relative to the air passage while preventing air leakage from the air passage. As shown in Figure 4 , a sealing ring 18 is arranged between the matching surface 19 of the airflow distributor and the first end face 17 of the forming roller, so that the first end face and the air passage are dynamically sealed. The air passage 14 is connected to a negative pressure source, the forming roller rotates relative to the airflow distributor, and the air inlets of the first end face pass through the air passage. When the air inlets and the air passage are opposite to each other, they are communicated. As shown in Figure 1 , the rubber 3, 4 covers the surface of the forming roller, and as the forming roller rotates, the rubber is transported to the pressing position. When the air inlet 12 of the forming roller rotates to the air passage 14, they are communicated, and the airflow channel 16 and the mold groove 15 corresponding to the air inlet are in a negative pressure state. The negative pressure sucks the rubber covering the surface of the forming roller into the mold groove, the rubber is attached to the inner surface of the mold groove, and the surface of the rubber is recessed to form a cavity. After the cavity is actively formed, it can be filled with tablets, hard capsules, pellets and other medicaments, and liquid can also be injected. In this way, soft capsules with different dosage forms can be realized, and combined soft capsules can be formed. When each air inlet of the forming roller rotates to the air passage, the corresponding group of mold grooves 15 will adsorb the rubber, so that the rubber is formed, that is, the surface is recessed to form a cavity. As shown in Figure 1The forming roller rotates in a circumferential direction, the air passage openings of the plurality of air flow channels are arranged in a circle, the center point of the circle is on the central axis of the forming roller, and the air passage openings are equally arranged. The forming roller rotates at a constant speed, and the air passage openings on the forming roller pass through the air passage groove in an orderly manner, so that the rubber on the surface of the forming roller is orderly formed.

[0032] The forming roller is provided with a forming station 6 and a sealing station 9, the air passage groove 14 covers at least the air passage openings of the forming station, the air flow channels corresponding to the forming station 6 to the sealing station 9 are in a negative pressure state; the air passage openings on the forming roller rotate to the forming station, the air passage openings are communicated with the air passage groove, then the group of mold grooves of the forming station adsorb the rubber on the surface, the rubber is formed to form a cavity, the group of air flow channels are in a negative pressure state, then the rubber is kept in a formed state, that is, the rubber corresponding to the group of mold grooves maintains a concave shape with a cavity. The sealing station 9, that is, the two forming rollers press the two rubbers to form soft capsules, that is, the two forming rubbers are sealed. The air flow channels outside the forming station 6 to the sealing station 9 are released from the negative pressure, after the negative pressure is released, the soft capsule is not subjected to suction force and can be naturally separated from the mold groove.

[0033] The air passage groove 14 can only communicate with the air passage openings 12 of the forming station, the air passage openings are arranged from the forming station to the sealing station 9, and the air passage openings are dynamically sealed with the air flow distributor. That is, the air passage openings enter the forming station 6, the mold grooves communicated with the air passage openings communicated with the air passage groove, the negative pressure adsorbs the rubber on the surface of the forming roller into the mold groove and forms, and the air passage openings 12 are sealed from the forming station to the sealing station 9, then the air flow channel 16 keeps the negative pressure, so that the rubber is attached to the mold groove 15 and kept in a formed state. Another, see attached Figure 5 The air passage groove 14 covers the air passage openings 12 from the forming station to the sealing station, and the air passage groove 14 is in an arc shape; the arc shape of the air passage groove and the circular arrangement of the air passage openings are concentrically arranged. That is, the air passage openings enter the forming station until the sealing station, and the air passage openings are communicated with the air passage groove, the negative pressure makes the rubber from the forming station to the sealing station keep attached to the mold groove and keep in a formed state. The air flow distributor is annular, one end of the mounting shaft 111 of the forming roller penetrates the center hole 110 of the air flow distributor and is rotationally connected with the rack, the air flow distributor protrudes radially corresponding to the forming station to the sealing station, reduces the amount of air flow distributor, and reduces the cost.

[0034] The forming roller is provided with a blanking station 7 and a filling station 8, and the blanking station and the filling station are between the forming station 6 and the sealing station 9, which means that the blanking station 7 is shared by the forming station 6, the rubber enters the forming station and is formed and blanked at the same time, so that the forming station and the blanking are in the same station. Of course, the forming and blanking can also be divided into two stations, and the tablets, powders, hard capsules are added to the cavity formed by the concave of the rubber in the blanking station. The spray body 5 is arranged above the rolling of the forming rollers of the first forming module 1 and the second forming module 2, and the spray port of the spray body is close to the rolling of the two forming rollers. The position of the spray port is the filling station 8, and the liquid medicine is injected into the rubber which has been sealed at the bottom and is gradually sealed in the filling station.

[0035] The first forming module 1 can move horizontally relative to the second forming module 2 to adjust the distance between the two forming rollers to meet the rolling of the two forming rollers to press the two rubbers into soft capsules. The rack is provided with a sliding groove, and the sliding groove is provided with a sliding block 10. The sliding block is locked with the rack through a locking piece. The locking piece can adopt a bolt. The airflow distributor of the first forming module is connected with the sliding block, and the forming roller of the first forming module is rotationally connected with the sliding block.

[0036] The working principle of the preferred embodiment is further described below with reference to the drawings: in order to facilitate description, the two rubbers are respectively a first rubber 3 and a second rubber 4; the forming rollers of the first forming module 1 and the second forming module 2 are respectively a first forming roller 11 and a second forming roller 21, and the two forming rollers are sequentially provided with a forming station 6, a blanking station 7, a filling station 8 and a sealing station 9 along the rotating direction, and the filling station is close to the sealing station. The blanking station 7 is arranged in the first quadrant of the forming roller, i.e. between the top of the forming roller and the rolling of the two forming rollers. The first rubber 3 and the second rubber 4 are respectively output and covered on the surface of the first forming roller 11 and the second forming roller 21. The first forming roller and the second forming roller rotate in opposite directions, and the first rubber and the second rubber are transported to the sealing station 9. The first rubber 3 and the second rubber 4 enter the forming station 6, that is, the air inlet 12 at the position of the rubber is communicated with the air vent groove 14, and the airflow channel 16 and the mold groove 15 communicated with the air inlet are in a negative pressure state. The rubber on the surface of the forming roller is sucked into the mold groove 15, the first rubber and the second rubber are formed, and the first cavity and the second cavity are respectively formed inwardly. The two forming rollers continue to rotate, the air inlet 12 is communicated with the air vent groove 14, and the two rubbers remain in the formed state and enter the blanking station 7. In the blanking station, the solid materials such as powders, tablets, pellets or hard capsules are added into the first cavity or / and the second cavity. Figure 1In the embodiment, the first forming roller and the second forming roller are both provided with a discharging component 20, and two discharging components can add materials to the same group of first cavities and second cavities. The combined filling amount of the two discharging components is the filling amount, and the two discharging mechanisms can fill the same group of materials or two different materials. Alternatively, the filling amount of a single discharging component is the filling amount, and a single discharging component can only add materials to the first cavities or the second cavities. Alternatively, the two discharging components are spaced apart, and the two discharging components are a first discharging component and a second discharging component. A plurality of groups of mold grooves 15 on the surface of the forming roller are divided into a first group of mold grooves 151 and a second group of mold grooves 152. The first group of mold grooves and the second group of mold grooves are circumferentially arranged alternately. The first discharging component adds materials to the first group of mold grooves 151 of the first forming roller, and the second discharging component adds materials to the second group of mold grooves 152 of the second forming roller. The two groups of mold grooves are alternately filled to improve the efficiency and provide time for the discharging component to transport materials. The forming roller continuously rotates, and the two rubbers enter the sealing station 9. The first forming roller 11 and the second forming roller 21 rotate in opposite directions. The first cavities and the second cavities of the two rubbers correspond to each other. The bottom of the two forming rubbers is closed first, and the spray body 5 injects the material liquid. As the two rollers continue to rotate, the two rubbers are gradually closed and cut off from the rubber, forming a completely closed soft capsule. In this way, the soft capsule contains different dosage forms of materials, forming a combined soft capsule.

Claims

1. A combined softgel forming mechanism, characterized by: The first forming module comprises a forming roller and an airflow distributor, The forming roller is rotatably installed on the frame, and the circumferential side of the forming roller is uniformly distributed with a plurality of groups of mold grooves. The forming roller is provided with a plurality of airflow channels, and one group of mold grooves corresponds to one airflow channel. The mold grooves of the same group are communicated with the corresponding airflow channel. One end of the airflow channel extends to the first end face of the forming roller in the axial direction and is provided with an air inlet on the first end face. The airflow distributor is fixedly installed on the frame, and the airflow distributor is provided with an air inlet groove on the side facing the forming roller. The air inlet groove and the first end face are dynamically sealed. The air inlet groove is connected with a negative pressure source. The forming roller rotates relative to the airflow distributor. The air inlets of the first end face pass through the air inlet groove. When the air inlets and the air inlet groove are opposite to each other, they are communicated.

2. The combined softgel forming mechanism of claim 1, wherein: The air inlets of the plurality of airflow channels are arranged in a circular shape, and the air inlets are equally arranged.

3. The combined softgel forming mechanism of claim 2, wherein: The forming roller is provided with a forming station and a sealing station. The air inlet groove covers at least the air inlets of the forming station. The airflow channels from the forming station to the sealing station maintain a negative pressure state. The airflow channels outside the forming station and the sealing station are released from the negative pressure.

4. The combined softgel forming mechanism of claim 3, wherein: The air inlets enter the forming station. The mold grooves corresponding to the air inlets are communicated. The negative pressure sucks the rubber on the surface of the forming roller into the mold grooves and forms a cavity. The air inlets are from the forming station to the sealing station. The air inlets are dynamically sealed with the airflow distributor.

5. The combined softgel forming mechanism of claim 3, wherein: The air inlet groove covers the air inlets from the forming station to the sealing station.

6. The combined softgel forming mechanism of claim 3, wherein: The forming roller is provided with a discharging station and a filling station. The discharging station and the filling station are between the forming station and the sealing station. The airflow distributor is annular. The mounting shaft of one end of the forming roller penetrates the center hole of the airflow distributor and is rotatably connected with the frame.

7. The combined softgel forming mechanism of claim 6, wherein: The air inlet groove is in the shape of a circular arc. The circular arc shape of the air inlet groove and the circular arrangement of the air inlets are concentrically arranged.

8. A combined softgel forming mechanism according to any one of claims 2-7, wherein: The soft capsule forming structure further comprises a second forming module, and the second forming module is arranged symmetrically with the first forming module. The forming rollers of the first forming module and the second forming module are pressed by the counter roller. When the rollers are pressed, the mold grooves on the two forming rollers correspond one by one.

9. The combined softgel forming mechanism of claim 8, wherein: The plurality of groups of mold grooves are divided into a first group of mold grooves and a second group of mold grooves. The two groups of mold grooves are circumferentially arranged alternately. The mold grooves of the first group of mold grooves and the second group of mold grooves are axially arranged. The first forming module can move horizontally relative to the second forming module to adjust the distance between the two. The frame is provided with a sliding groove. The sliding groove is provided with a sliding block. The sliding block is locked with the frame by a locking member. The airflow distributor of the first forming module is connected with the sliding block. The forming roller of the first forming module is rotatably connected with the sliding block.

10. The combined softgel forming mechanism of claim 8, wherein: The forming rollers of the first forming module and the second forming module are provided with a spray body above the roller pressing position. The spray nozzle of the spray body is close to the roller pressing position of the two forming rollers.

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