A medicine capsule filling vibration auxiliary feeding device
By introducing a vibrating motor and a movable guide plate seat into the pharmaceutical capsule filling machine, the problem of drug particle flow blockage is solved, the success rate of drug filling is improved, electricity is saved, and a more efficient drug filling process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN MINGXIN PHARMA
- Filing Date
- 2025-08-19
- Publication Date
- 2026-07-07
AI Technical Summary
Existing pharmaceutical capsule filling machines are prone to particle flow blockage when filling drugs with poor flowability, high fine powder content, or uneven particle size distribution, resulting in a high filling failure rate.
A vibration-assisted feeding device for filling pharmaceutical capsules is designed. By installing a vibration motor at the bottom of the drug storage chamber, the vibration effect of the motor is used to accelerate the flow of drug particles into the metering hole. Combined with the moving design of the movable guide plate seat, the device ensures smooth filling of drug particles.
It reduces the failure rate of drug granule filling, improves the success rate of drug granule filling, reduces the phenomenon of insufficient or no filling of drug granules, saves electricity, and avoids the obstruction of movement caused by drug granules entering the gap.
Smart Images
Figure CN224466757U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pharmaceutical capsule production technology, specifically a vibration-assisted feeding device for filling pharmaceutical capsules. Background Technology
[0002] Pharmaceutical capsule filling machines are indispensable key equipment in the modern pharmaceutical industry, and their technological level directly affects drug quality, production efficiency, and compliance. With the development of the pharmaceutical industry and increasingly stringent regulatory requirements, capsule filling machines are continuously evolving towards higher speeds, greater precision, intelligence, flexibility, and stricter compliance. Choosing the right capsule filling machine is crucial for pharmaceutical companies to ensure product quality and enhance their competitiveness.
[0003] In cannula-type metering capsule filling, the drug is filled into the capsule shell by gravity. This filling method causes minimal damage to the granules and has a high speed (100,000-150,000 capsules / hour), making it suitable for free-flowing spherical granules. However, in actual capsule production, cannula-type metering can still cause granule flow blockages when filling drugs with poor flowability, high fine powder content, or uneven particle size distribution. If one feed port or metering orifice becomes blocked, it is highly likely to remain blocked in subsequent filling processes, significantly increasing the capsule filling failure rate. Utility Model Content
[0004] The purpose of this invention is to provide a vibration-assisted feeding device for filling pharmaceutical capsules, so as to reduce the failure rate of capsule filling.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a vibration-assisted feeding device for filling pharmaceutical capsules, comprising a drug storage bin with two sets of discharge ports at the bottom; and a fixed guide plate seat located below the drug storage bin, with a set of discharge channels running through the guide plate seat. A movable guide plate seat is slidably disposed between the drug storage bin and the guide plate seat, and two sets of metering holes are running through the movable guide plate seat. When one set of metering holes is vertically aligned with a corresponding set of discharge ports, the other set of metering holes is away from a corresponding set of discharge ports, and simultaneously, the other set of metering holes is aligned with the discharge channels. A vibration motor is provided on the drug storage bin. The fixed guide plate base is provided with two fixed supports. The inner sides of the two fixed supports are respectively provided with a fixed conductive contact 1 and a fixed conductive contact 2. The base also includes a movable support located between the two fixed supports. The movable support is fixedly connected to the movable guide plate base. The movable support is provided with a movable conductive contact 1 corresponding to the fixed conductive contact 1 and a movable conductive contact 2 corresponding to the fixed conductive contact 2. The fixed conductive contact 1 and the fixed conductive contact 2 are electrically connected to the vibrating motor in parallel through wires. The movable conductive contact 1 and the movable conductive contact 2 are also electrically connected to the vibrating motor in parallel through wires.
[0006] Preferably, a set of the discharge ports comprises at least a plurality of discharge ports arranged in a uniform row.
[0007] Preferably, the movable stand is transitionally connected to the movable guide plate seat via a connecting part.
[0008] Preferably, it also includes a drive device for moving the movable guide plate seat.
[0009] Preferably, the driving device is a cylinder.
[0010] Preferably, one set of the feeding ports adopts two rows.
[0011] Preferably, the two rows of discharge ports within a group are arranged alternately, and the corresponding metering holes and discharge channels are arranged alternately.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. In this utility model, the vibrating motor creates a vibration effect on the drug storage bin to accelerate the flow of drug particles into the metering orifice. At the same time, the vibration greatly reduces the resistance to the downward flow of drug particles, improves the filling success rate of drug particles, and reduces the occurrence of insufficient filling or no filling of drug particles.
[0014] 2. In this utility model, during the movement of the movable guide plate seat, the fixed conductive contact one does not contact the movable conductive contact one, and at the same time, the fixed conductive contact two does not contact the movable conductive contact two. The vibration motor does not perform vibration operation, which saves electricity and avoids the vibration during the movement of the movable guide plate seat causing a large gap between the medicine storage bin and the movable guide plate seat, and between the fixed guide plate seat and the movable guide plate seat, which would cause medicine particles to enter the gap and increase the obstruction of the movement of the movable guide plate seat. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;
[0016] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;
[0017] Figure 3 This is the circuit layout diagram of the vibration motor of this utility model;
[0018] Figure 4 This is a top view of the fixed guide plate seat of this utility model;
[0019] Figure 5 This utility model Figure 4 AA section view in the middle;
[0020] Figure 6 This utility model Figure 4 BB section view in the middle;
[0021] Figure 7 This is a structural diagram of the present invention in which both sets of feed ports are displayed on the same plane;
[0022] Figure 8 This is the usage mode of this utility model. Figure 1 (Both sets of feed ports are displayed on the same plane);
[0023] Figure 9 This is the usage mode of this utility model. Figure 2 (Both sets of feed ports are displayed on the same plane).
[0024] In the picture:
[0025] 1-Medicine storage bin, 11-Storage section, 12-Discharge port,
[0026] 2-Vibration motor,
[0027] 3-Fixed guide plate seat, 31-Discharge channel,
[0028] 4-Modible guide plate seat, 41-Metering hole,
[0029] 5-cylinder,
[0030] 61-Fixed stand, 621-Fixed conductive contact one, 622-Fixed conductive contact two, 63-Modible stand, 631-Connecting part, 641-Modible conductive contact one, 642-Modible conductive contact two, 65-Spring wire.
[0031] 7-Capsule shell tray, 71-Capsule receiving hole,
[0032] 8-Capsule shell. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] like Figure 1 and Figure 2 As shown, a vibration-assisted feeding device for filling pharmaceutical capsules includes a drug storage chamber 1, on which a vibration motor 2 is installed, and two sets of discharge ports 12 are provided at the bottom of the drug storage chamber 1; it also includes a fixed guide plate seat 3 located below the drug storage chamber 1, on which a set of discharge channels 31 are provided through, and a movable guide plate seat 4 is slidably arranged between the drug storage chamber 1 and the fixed guide plate seat 3, on which two sets of metering holes 41 are provided through; when one set of metering holes 41 is vertically aligned with the corresponding set of discharge ports 12, the other set of metering holes 41 is away from the corresponding other set of discharge ports 12, and at the same time, the other set of metering holes 41 is aligned with the discharge channels 31.
[0035] It also includes a drive device for moving the movable guide plate seat 4.
[0036] like Figures 1 to 3As shown, the fixed guide plate seat 3 is provided with two fixed supports 61. The inner sides of the two fixed supports 61 (with the opposite side of the two fixed supports 61 as the inner side) are respectively provided with a fixed conductive contact 621 and a fixed conductive contact 622. It also includes a movable support 63 located between the two fixed supports 61. The movable support 63 is fixedly connected to the movable guide plate seat 4. The movable support 63 is provided with a movable conductive contact 641 corresponding to the fixed conductive contact 621 and a movable conductive contact 642 corresponding to the fixed conductive contact 622. The fixed conductive contact 621 and the fixed conductive contact 622 are electrically connected to the vibration motor 2 in parallel through wires. The movable conductive contact 641 and the movable conductive contact 642 are electrically connected to the vibration motor 2 in parallel through wires.
[0037] In this embodiment, the vibration motor 2 is fixed to the outer surface of the medicine storage chamber 1.
[0038] In this embodiment, as Figures 1 to 2 , Figures 4 to 6 As shown, a set of feeding ports 12 includes at least a plurality of feeding ports 12 arranged in a uniform row. In this embodiment, the feeding ports 12 preferably adopt two rows. The number and arrangement shape of the metering holes 41 in a set are the same as the arrangement of the feeding ports 12 in a set. The number and arrangement shape of the material discharge channels 31 in a set are the same as the arrangement of the feeding ports 12 in a set.
[0039] It is important to note that, such as Figures 4 to 6 As shown in this embodiment, taking two rows of the discharge ports 12 as an example, there are a total of four rows of discharge ports 12 in two groups. The two rows of discharge ports 12 in one group are arranged alternately. Similarly, the corresponding metering holes 41 and discharge channels 31 are also arranged alternately. The purpose of this design is that when the two rows of metering holes 41 in one group move toward and align with the corresponding discharge channels 31, one metering hole 41 will only align with one corresponding discharge channel 31 during the entire movement process. This avoids the situation where one metering hole 41 aligns with two discharge channels 31 during the movement process due to non-alternating arrangement, and prevents the medicine temporarily stored in the two metering holes 41 from flowing into one discharge channel 31 at the same time.
[0040] In one specific implementation, the driving device is a cylinder 5. In this embodiment, both the drug storage chamber 1 and the fixed guide plate seat 3 are fixed relative to the outside environment, such as on the tooling table where the capsule shell tray is located. The cylinder 5 is also fixed relative to the outside environment, and the driving arm of the cylinder 5 is fixedly connected to the movable guide plate seat 4. In this embodiment, how the drug storage chamber 1, the fixed guide plate seat 3, and the cylinder 5 are fixed relative to the outside environment is a conventional technical means. The location of the fixing can be designed according to the actual use scenario. The specific implementation method will not be described in detail here.
[0041] Specifically in this embodiment, such as Figure 1 and Figure 2 As shown, the movable stand 63 is transitionally connected to the movable guide plate seat 4 via the connecting part 631.
[0042] Specifically in this embodiment, such as Figure 3 As shown, at least one vibration motor 2 is used. When more than one vibration motor 2 is used, it is preferably connected in parallel. The vibration motor 2 is electrically connected to an external power source through wires. The parallel movable conductive contact 1 641 and movable conductive contact 2 642 are connected to the circuit of the vibration motor 2 through spring wire 65. The purpose of using spring wire is to provide sufficient space for the wires to extend so that the movable conductive contact 1 641 and movable conductive contact 2 642 can move to supply power.
[0043] Of course, this embodiment also includes a leakage current protector connected to the circuit of the vibration motor 2, and an electric shock protection cover that is adaptively designed and set around each conductive contact (fixed conductive contact 1 621, fixed conductive contact 2 622, movable conductive contact 1 641 and movable conductive contact 2 642). The leakage current protector and the electric shock protection cover are existing conventional technologies, and can be adjusted and installed according to the adaptive design. The specific implementation method will not be described in detail here.
[0044] Working principle:
[0045] Taking a set of feeding ports 12 containing two rows of feeding ports 12 as an example, and for easier intuitive understanding, the four rows of feeding ports 12 contained in the two sets of feeding ports 12, the four rows of metering holes 41 contained in the two sets of metering holes 41, and the two rows of material discharge channels 31 contained in the one set of material discharge channels 31 are all displayed on the same plane (e.g., Figure 7 and Figure 9 (As shown). Figure 8 and Figure 9 The four columns of discharge ports 12, four columns of metering holes 41, and two columns of material discharge channels 31, which are not located in the same vertical plane, are displayed on the same plane to facilitate understanding of the working principle of this embodiment. In the actual cross-section, only two columns of discharge ports 12 should be displayed, due to the above-mentioned staggered arrangement. However, in order to make it more intuitive to understand that they are all included in one plane, a special explanation is given here.
[0046] First, sufficient capsule-filling drug granules are added to the drug storage chamber 1. When a set of metering holes 41 are aligned vertically with a set of corresponding feeding ports 12, the drug granules inside the drug storage chamber 1 flow into the corresponding metering holes 41 under the action of gravity. At this time, one metering hole 41 temporarily stores the amount of drug granules required for filling one capsule. In a typical drug capsule filling machine, the capsule shell tray 7 rotates to the bottom of the fixed guide plate seat 3. The corresponding capsule receiving hole 71 in the capsule shell tray 7 moves with the capsule shell 8 to the bottom of the corresponding feeding port 12. At this time, the cylinder 5 drives the movable guide plate seat 4 to move, so that the metering hole 41, which temporarily stores the drug granules, moves to the discharge channel 31 and aligns with it. After the metering hole 41 is aligned with the discharge channel 31, the drug granules in the metering hole 41 flow into the capsule shell 8 sequentially through the discharge channel 31 and the capsule receiving hole 71 under the action of gravity, completing the filling of the drug granules. Meanwhile, after the metering hole 41 that temporarily stores the drug particles is aligned with the corresponding metering hole 41, another set of metering holes 41 will be aligned with the corresponding discharge port 12. At this time, the metering hole 41 that is aligned with the discharge port 12 continues to flow into the drug particles through the corresponding discharge port 12 until it is full and ready to be filled with drug particles again for the next time.
[0047] After a set of capsule shells 8 has been filled with drug granules, the capsule shell tray 7 filled with drug granules is removed, so that the new capsule shell tray 7 without drug granules and the capsule shells 8 are moved back to the bottom of the fixed guide plate seat 3, and the above actions are repeated to carry out a new round of drug granule filling.
[0048] During drug filling, either the fixed conductive contact 621 contacts the movable conductive contact 641, or the fixed conductive contact 622 contacts the movable conductive contact 642. Regardless of the contact method, the circuit of the vibrating motor 2 is closed. The vibrating motor 2 creates a vibration effect on the drug storage chamber 1, which accelerates the flow of drug particles into the metering hole 41. At the same time, the vibration greatly reduces the resistance to the downward flow of drug particles, improves the filling success rate of drug particles, and reduces the occurrence of insufficient filling or no filling.
[0049] During the movement of the movable guide plate seat 4, the fixed conductive contact 621 does not contact the movable conductive contact 641, and the fixed conductive contact 622 does not contact the movable conductive contact 642. The vibration motor does not perform vibration operation, which saves electricity and avoids the vibration during the movement of the movable guide plate seat 4, which would cause a large gap between the medicine storage chamber 1 and the movable guide plate seat 4, and between the fixed guide plate seat 3 and the movable guide plate seat 4, thus preventing medicine particles from entering the gap and hindering the movement of the movable guide plate seat 4.
[0050] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A vibration-assisted feeding device for filling pharmaceutical capsules, comprising a drug storage bin with two sets of discharge ports at the bottom; further comprising a fixed guide plate seat located below the drug storage bin, a set of discharge channels being provided through the guide plate seat; a movable guide plate seat being slidably disposed between the drug storage bin and the guide plate seat; and two sets of metering holes being provided through the movable guide plate seat; wherein when one set of metering holes is vertically aligned with a corresponding set of discharge ports, the other set of metering holes is away from a corresponding set of discharge ports, and simultaneously the other set of metering holes is aligned with the discharge channels, characterized in that: The medicine storage bin is equipped with a vibration motor. The fixed guide plate base is equipped with two fixed supports. The inner sides of the two fixed supports are respectively equipped with a fixed conductive contact 1 and a fixed conductive contact 2. The bin also includes a movable support located between the two fixed supports. The movable support is fixedly connected to the movable guide plate base. The movable support is equipped with a movable conductive contact 1 corresponding to the fixed conductive contact 1 and a movable conductive contact 2 corresponding to the fixed conductive contact 2. The fixed conductive contact 1 and the fixed conductive contact 2 are electrically connected to the vibration motor in parallel through wires. The movable conductive contact 1 and the movable conductive contact 2 are also electrically connected to the vibration motor in parallel through wires.
2. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 1, characterized in that: A set of the feed ports includes at least a plurality of feed ports arranged in a uniform row.
3. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 1, characterized in that: The movable stand is transitionally connected to the movable guide plate seat via a connecting part.
4. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 1, characterized in that: It also includes a drive device for moving the movable guide plate seat.
5. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 4, characterized in that: The drive device is a cylinder.
6. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 2, characterized in that: The feed inlet of the group consists of two rows.
7. The pharmaceutical capsule filling vibration-assisted feeding device according to claim 6, characterized in that: The two rows of discharge ports within a group are arranged alternately, and the corresponding metering holes and discharge channels are also staggered.