A medicine supplementing and buffering device for an automatic medicine dispensing machine

By introducing a guide frame and gear transmission mechanism into the automatic dispensing machine, the active clamping and automatic separation of the medicine box are achieved, solving the problem of medicine tilting and jamming, improving the stability and reliability of buffering and delivery, simplifying the structure and reducing costs.

CN224677168UActive Publication Date: 2026-08-25廖醒环
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Patent Information

Application Number
CN202522283735.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-08-25
Estimated Expiration
2035-10-29

AI Technical Summary

Technical Problem

In existing automatic dispensing machines, the medication replenishment and buffering devices are prone to tipping and jamming during the medication sliding process, which prevents the medication from moving effectively and continuously, requiring frequent maintenance by the user.

Method used

The active conveying and mechanical ejection mechanism is composed of components such as guide frames, pulleys, transmission belts, limit plates, transmission motors, movable blocks, levers, rotating wheels, and feeding racks. It realizes the active clamping and movement and automatic separation of medicine boxes, and combines with gear transmission mechanism to realize the synchronous conveying and ejection of medicine boxes.

Benefits of technology

It improves the stability and reliability of the pillbox buffer and delivery, avoids drug spillage and jamming, ensures smooth drug dispensing and the continuity of the automated process, simplifies the device structure and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of automatic medicine dispensing machine medicine supplementing buffer device, including guide frame, the bottom of the guide frame is set to openwork, the both sides of the bottom of the guide frame are fixedly connected with connecting plate, the inboard of the connecting plate is movably connected with pulley by bearing, the surface of the pulley is sleeved with transmission belt, the transmission belt extends to the inside of guide frame by the openwork opening of the bottom of guide frame, the surface of the transmission belt is fixedly connected with several limit plates, the inboard of the limit plate is used for inserting medicine box.The utility model is driven by transmission motor by setting pulley, transmission belt and the limit plate fixed on transmission belt, and constitutes a active conveying mechanism.The structure inserts medicine box between limit plate and transports, changes traditional passive sliding into active clamping movement, fundamentally solves the problem that process is interrupted due to dumping, detent in the conveying process of medicine box, greatly improves the stability and reliability of buffer and conveying.
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Description

Technical Field

[0001] This utility model relates to the field of automatic dispensing machine technology, specifically to an automatic dispensing machine replenishment buffer device. Background Technology

[0002] Automated dispensing machines are one of the core pieces of equipment in modern pharmacy automation. They utilize mechanical, electronic, computer, and information technologies to achieve automatic storage, dispensing, distribution, and management of medicines, greatly improving the accuracy, efficiency, and safety of pharmacy operations.

[0003] For example, patent application number 202422739590.1 published on the China Patent Network, entitled "An Automatic Dispensing Machine Replenishment and Buffer Device," includes a buffer mechanism and a replenishment mechanism disposed at the left end of the buffer mechanism. The buffer mechanism includes a base plate with a left-high and right-low orientation. A fixed plate is vertically fixed on one side of the base plate, and an adjusting plate is movable relative to the fixed plate on the other side. Multiple adjusting screws are fixed along the length of the fixed plate, and the free ends of the telescopic rods of the adjusting screws are fixedly connected to the inner side of the adjusting plate. A baffle mechanism is provided at the right end of the base plate to control the sliding of medicine boxes above the base plate. The replenishment mechanism is used to place medicine boxes onto the buffer mechanism. The automatic dispensing machine replenishment and buffer device has a simple structure, is convenient for replenishing medicine, is applicable to medicine boxes of different sizes, and has high accuracy in dispensing medicine.

[0004] However, the existing drug buffer device structure mainly relies on the inclined base plate to slide and transport the drug. During the sliding process, the drug is prone to tipping over and getting stuck, which prevents the drug from moving effectively and continuously, requiring frequent maintenance by the user.

[0005] Therefore, it is necessary to redesign and modify the medication replenishment and buffering device of the automatic dispensing machine. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide an automatic dispensing machine replenishment buffer device, which has the advantage of improving the stability of buffer conveying. It solves the problem that the existing replenishment buffer device structure mainly relies on an inclined base plate to slide and convey the medicine, which is prone to tipping and jamming during the sliding process, resulting in the medicine not being able to move effectively and continuously, and requiring frequent maintenance by the user.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic dispensing machine replenishment and buffer device, including a guide frame;

[0008] The bottom of the guide frame is hollowed out. Connecting plates are fixedly connected to both sides of the bottom of the guide frame. A pulley is movably connected to the inner side of the connecting plate through a bearing. A transmission belt is fitted on the surface of the pulley. The transmission belt extends into the interior of the guide frame through the hollowed-out opening at the bottom of the guide frame. Several limiting plates are fixedly connected to the surface of the transmission belt. The inner side of the limiting plates is used to insert a medicine box. A transmission motor for driving the pulley to rotate is fixedly connected to the surface of the left connecting plate.

[0009] As a preferred embodiment of this utility model, movable blocks are fixedly connected to both ends of the right side of the guide frame, a transmission rod is inserted into the inner side of the movable block, and a lever is fixedly connected to both sides of the surface of the transmission rod. The side of the lever away from the transmission rod extends into the interior of the guide frame, and the lever can swing around the transmission rod as the axis and push the medicine box to separate from the limiting plate.

[0010] In a preferred embodiment of this utility model, upright plates are fixedly connected to the right side of both the front and back sides of the guide frame. A rotating wheel is movably connected to the outer side of the upright plate via a pin. Both ends of the transmission rod are fixedly connected to sleeve plates. The side of the sleeve plate away from the transmission rod extends to the outer side of the rotating wheel. A sliding rod located inside the sleeve plate is fixedly connected to the outer side of the rotating wheel. The sliding rod is slidably connected to the sleeve plate.

[0011] In a preferred embodiment of this invention, a driven wheel is fixedly connected to the inner side of the rotating wheel, and a driving wheel is fixedly connected to both ends of the right-side pulley, with the driving wheel and the driven wheel meshing with each other.

[0012] As a preferred embodiment of this utility model, a feeding rack is fixedly connected to the left side of the top of the guide frame, and the feeding rack can guide the medicine box to slide to the inside of the displacement limiting plate.

[0013] As a preferred embodiment of this utility model, both sides of the feeding rack are designed to be hollow, and both sides of the feeding rack are movably connected by a guide roller located inside the hollow area via a pin.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model constitutes an active conveying mechanism by setting up a pulley driven by a transmission motor, a transmission belt, and a limiting plate fixed on the transmission belt. This structure inserts the medicine box between the limiting plates for conveying, changing the traditional passive sliding to active clamping and movement, fundamentally solving the problem of process interruption caused by tipping or jamming of the medicine box during the conveying process, and greatly improving the stability and reliability of buffering and conveying.

[0016] 2. This utility model achieves a mechanical pushing mechanism by setting a transmission rod supported by a movable block and a lever fixed thereon. Its effect is that when the medicine box is delivered to the dispensing station, the lever can smoothly push the medicine box away from the limiting plate in a swinging manner, realizing automatic and controllable separation of the medicine box, avoiding malfunctions that may be caused by manual dispensing or medicine falling due to gravity, and ensuring smooth dispensing.

[0017] 3. This utility model converts the rotational motion of the wheel into the reciprocating oscillation of the transmission rod by setting up a rotating wheel, a sleeve plate, and a slide rod connecting the transmission rod and the rotating wheel. This structure acts as a motion conversion mechanism, which converts the continuous rotation of the drive end into the oscillating motion required by the execution end, providing a precise power transmission path for achieving automated drug dispensing.

[0018] 4. This utility model establishes a compact gear transmission mechanism by setting a driving wheel on the right-side pulley and a driven wheel meshing with it on the rotating wheel. The advantage of this structure is that it enables a single power source to drive both the conveyor belt and the ejection mechanism simultaneously, ensuring strict synchronization between the medicine box conveying and the lever ejection action. It eliminates the need for an additional motor, simplifying the device structure and reducing costs.

[0019] 5. This utility model, by setting a feeding rack fixedly connected to the guide frame at the feeding port, plays a guiding and positioning role. Its effect is to ensure that the medicine boxes coming from upstream slide into the inner side of the limiting plate on the transmission belt in the correct posture and direction, providing guidance for the feeding process and preventing the medicine boxes from shifting or getting blocked in the initial feeding stage, thus ensuring the smooth progress of subsequent processes.

[0020] 6. This utility model effectively reduces friction between the sides of the medicine box and the wall of the feeding rack by designing the rack with a hollow shape and installing rotatable guide rollers. The effect is that the friction between the medicine box and the rack changes from sliding friction to rolling friction during the downward movement of the box, making the feeding smoother and more stable, and further preventing the medicine box from jamming or tipping over due to excessive frictional resistance. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0023] Figure 3 This is a schematic diagram of a partial structural separation of the present invention;

[0024] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0025] In the diagram: 1. Guide frame; 2. Connecting plate; 3. Pulley; 4. Transmission belt; 5. Limiting plate; 6. Transmission motor; 7. Movable block; 8. Transmission rod; 9. Lever; 10. Vertical plate; 11. Rotary wheel; 12. Sleeve plate; 13. Slide rod; 14. Driven wheel; 15. Driving wheel; 16. Feeding rack; 17. Guide roller. Detailed Implementation

[0026] 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.

[0027] like Figures 1 to 4 As shown, the present invention provides an automatic dispensing machine replenishment and buffer device, which includes a guide frame 1;

[0028] The bottom of the guide frame 1 is hollowed out. Connecting plates 2 are fixedly connected to both sides of the bottom of the guide frame 1. Pulleys 3 are movably connected to the inner side of the connecting plates 2 through bearings. A transmission belt 4 is sleeved on the surface of the pulleys 3. The transmission belt 4 extends into the interior of the guide frame 1 through the hollowed-out opening at the bottom of the guide frame 1. Several limiting plates 5 are fixedly connected to the surface of the transmission belt 4. The inner side of the limiting plates 5 is used to insert medicine boxes. A transmission motor 6 for driving the pulleys 3 to rotate is fixedly connected to the surface of the left connecting plate 2.

[0029] refer to Figure 3 Both ends of the right side of the guide frame 1 are fixedly connected to movable blocks 7. A transmission rod 8 is inserted into the inner side of the movable block 7. Both sides of the surface of the transmission rod 8 are fixedly connected to levers 9. The side of the lever 9 away from the transmission rod 8 extends into the interior of the guide frame 1. The lever 9 can swing around the transmission rod 8 as the axis and push the medicine box to separate from the limiting plate 5.

[0030] As a technical optimization of this utility model, a mechanical ejection mechanism is achieved by setting a transmission rod 8 supported by a movable block 7 and a lever 9 fixed thereon. The effect is that when the medicine box is delivered to the dispensing station, the lever 9 can smoothly push the medicine box away from the limiting plate 5 in a swinging manner, realizing automatic and controllable separation of the medicine box, avoiding malfunctions that may be caused by manual dispensing or the medicine falling due to gravity, and ensuring smooth dispensing.

[0031] refer to Figure 4The guide frame 1 has a vertical plate 10 fixedly connected to the right side of both the front and back sides. The outer side of the vertical plate 10 is movably connected to the rotating wheel 11 via a pin. Both ends of the transmission rod 8 are fixedly connected to the sleeve plate 12. The side of the sleeve plate 12 away from the transmission rod 8 extends to the outer side of the rotating wheel 11. The outer side of the rotating wheel 11 is fixedly connected to the slide rod 13 located inside the sleeve plate 12. The slide rod 13 is slidably connected to the sleeve plate 12.

[0032] As a technical optimization of this utility model, by setting up a rotating wheel 11, a sleeve plate 12, and a slide rod 13 connecting the transmission rod 8 and the rotating wheel 11, the rotational motion of the rotating wheel 11 is converted into the reciprocating oscillation of the transmission rod 8. This structure acts as a motion conversion mechanism, which converts the continuous rotation of the drive end into the oscillating motion required by the execution end, providing a precise power transmission path for realizing automated drug dispensing.

[0033] refer to Figure 4 The inner side of the rotating wheel 11 is fixedly connected to the driven wheel 14, and both ends of the right pulley 3 are fixedly connected to the driving wheel 15. The driving wheel 15 and the driven wheel 14 mesh with each other.

[0034] As a technical optimization of this utility model, a compact gear transmission mechanism is established by setting a driving wheel 15 on the right pulley 3 and a driven wheel 14 meshing with it on the rotating wheel 11. The advantage of this structure is that it enables a single power source to drive both the conveyor belt and the ejection mechanism simultaneously, ensuring strict synchronization between the medicine box conveying and the ejection action of the lever 9, eliminating the need for an additional motor, simplifying the device structure and reducing costs.

[0035] refer to Figure 1 A feeding rack 16 is fixedly connected to the top left side of the guide frame 1. The feeding rack 16 can guide the medicine box to slide to the inside of the moving limit plate 5.

[0036] As a technical optimization of this utility model, a feeding rack 16 fixedly connected to the guide frame 1 is set at the feeding port, which plays a guiding and positioning role. Its effect is to ensure that the medicine box coming from upstream slides into the inner side of the limiting plate 5 on the transmission belt 4 in the correct posture and direction, providing guidance for the feeding process, avoiding the medicine box from deviating or blocking in the initial stage of feeding, and ensuring the smooth progress of subsequent processes.

[0037] refer to Figure 1 Both sides of the feeding rack 16 are designed to be hollow, and both sides of the feeding rack 16 are movably connected by a guide roller 17 located inside the hollow part through a pin.

[0038] As a technical optimization of this utility model, by designing the two sides of the feeding rack 16 as hollow and installing rotatable guide rollers 17, the friction between the side of the medicine box and the wall of the feeding rack 16 is effectively reduced. The effect is that the medicine box changes from sliding friction to rolling friction during its descent, making the feeding smoother and more stable, and further preventing the medicine box from jamming or tipping over due to excessive frictional resistance.

[0039] The working principle and usage process of this utility model are as follows: The medicine box first enters from the feeding rack 16 on the top left of the guide frame 1. The guide rollers 17 on both sides of the feeding rack 16 guide the medicine box to slide down smoothly. The medicine box then falls into the guide frame 1 and is supported and clamped by the limiting plate 5 fixed on the transmission belt 4. The transmission motor 6 starts and drives the transmission belt 4 to move in a cycle through the pulley 3, thereby driving the medicine box fixed by the limiting plate 5 to be conveyed horizontally forward in the guide frame 1, forming an orderly buffer queue. When the medicine box reaches the medicine dispensing station on the right side of the guide frame 1, the rotation of the right pulley 3 is transmitted to the rotating wheel 11 through the meshing driving wheel 15 and driven wheel 14. The rotating wheel 11 drives the transmission rod 8 to swing through the sliding rod 13 and sleeve plate 12 assembly on its outer side. The lever 9 fixed on the transmission rod 8 swings accordingly, gently pushing the medicine box away from the limiting plate 5, completing the medicine dispensing. The entire process realizes automatic, continuous and stable buffering and dispensing of the medicine box through mechanical linkage, effectively preventing the medicine box from tipping over or getting stuck during the conveying process.

[0040] In summary, this automatic dispensing machine's replenishment and buffering device, through the arrangement of pulleys 3 driven by a transmission motor 6, a transmission belt 4, and limiting plates 5 fixed to the transmission belt 4, constitutes an active conveying mechanism. This structure inserts the medicine boxes between the limiting plates 5 for conveying, transforming the traditional passive sliding into active clamping and movement. This fundamentally solves the problem of process interruption caused by medicine boxes tipping or jamming during conveying, greatly improving the stability and reliability of buffering and conveying.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic dispensing machine replenishment buffer device, comprising a guide frame (1); Its features are: The bottom of the guide frame (1) is hollowed out. Both sides of the bottom of the guide frame (1) are fixedly connected to the connecting plate (2). The inner side of the connecting plate (2) is movably connected to the pulley (3) through the bearing. The surface of the pulley (3) is fitted with a transmission belt (4). The transmission belt (4) extends into the interior of the guide frame (1) through the hollow opening at the bottom of the guide frame (1). Several limiting plates (5) are fixedly connected to the surface of the transmission belt (4). The inner side of the limiting plate (5) is used to insert the medicine box. The surface of the left connecting plate (2) is fixedly connected to the transmission motor (6) for driving the pulley (3) to rotate.

2. The automatic dispensing machine medication replenishment and buffer device according to claim 1, characterized in that: Both ends of the right side of the guide frame (1) are fixedly connected to movable blocks (7). A transmission rod (8) is inserted into the inner side of the movable block (7). Both sides of the surface of the transmission rod (8) are fixedly connected to levers (9). The side of the lever (9) away from the transmission rod (8) extends into the interior of the guide frame (1). The lever (9) can swing around the transmission rod (8) as the axis and push the medicine box to separate from the limiting plate (5).

3. The automatic dispensing machine medication replenishment and buffer device according to claim 2, characterized in that: The guide frame (1) has a vertical plate (10) fixedly connected to the right side of both the front and back sides. The outer side of the vertical plate (10) is movably connected to a rotating wheel (11) via a pin. Both ends of the transmission rod (8) are fixedly connected to a sleeve plate (12). The side of the sleeve plate (12) away from the transmission rod (8) extends to the outer side of the rotating wheel (11). The outer side of the rotating wheel (11) is fixedly connected to a sliding rod (13) located inside the sleeve plate (12). The sliding rod (13) is slidably connected to the sleeve plate (12).

4. The automatic dispensing machine medication replenishment and buffer device according to claim 3, characterized in that: The inner side of the rotating wheel (11) is fixedly connected to the driven wheel (14), and both ends of the right pulley (3) are fixedly connected to the driving wheel (15). The driving wheel (15) and the driven wheel (14) mesh with each other.

5. The automatic dispensing machine medication replenishment and buffer device according to claim 4, characterized in that: A feeding rack (16) is fixedly connected to the top left side of the guide frame (1). The feeding rack (16) can guide the medicine box to slide to the inside of the displacement limiting plate (5).

6. The automatic dispensing machine medication replenishment and buffer device according to claim 5, characterized in that: Both sides of the feeding rack (16) are hollowed out, and both sides of the feeding rack (16) are movably connected by a guide roller (17) located inside the hollowed-out area via a pin.

Citation Information

Patent Citations

  • Medicine supplementing and buffering device of automatic medicine dispensing machine

    CN222988965U