Lifting mechanism of medicine dispensing machine
Technical Field
The invention relates to a lifting mechanism of a medicine dispensing machine, and belongs to the field of medicine dispensing machines.
Background
Chinese traditional medicine culture is of great origin and Chinese traditional medicine resources are abundant. However, in the export amount of traditional Chinese medicines in the world, china only occupies a small part, and the main reasons are that the traditional medicine dispensing mode of original crude medicines, manual grasping and weighing is still adopted in China, the speed is low in the traditional Chinese medicine dispensing process, the metering error is large, and the international market connection with the standardized, standardized and scientific medicine dispensing is difficult.
To the device of the medicine cover that can evenly take medicine among the prior art, say: the name is a novel medicine discharging cover, and the patent number is 201520798611.5 or figure 4. A medicine dispensing machine capable of rapidly packaging, receiving medicine and dispensing medicine is developed.
Disclosure of Invention
The invention aims at: aiming at the problems, the lifting mechanism of the medicine dispensing machine is provided, so that the medicine dispensing machine can conveniently perform switching in different processes, such as switching of two functions of weighing and rotating a medicine box disc, the distance between mechanisms for realizing different functions of the medicine dispensing machine is ensured, and interference of the mechanisms in different functions of the medicine dispensing machine is avoided.
The technical scheme adopted by the invention is as follows:
the invention discloses a lifting mechanism of a medicine dispensing machine, which comprises a lifter, wherein the lifter is connected with a medicine box table, a plurality of operation stations for taking and placing medicine boxes are arranged on the medicine box table, and weighing mechanisms corresponding to the operation stations are arranged below the medicine box table; the lifter controls the relative movement of the medicine box table and the weighing mechanism in the vertical direction, so that the medicine box can be placed on the weighing mechanism for weighing. The medicine box table is close to or far away from the base frame, so that the medicine box table is controlled to relatively lift to a corresponding position, and the next processes such as medicine box weighing are facilitated.
Further, the lifter comprises a lifting motor, a lifting table and a guide mechanism, wherein the lifting motor controls the pharmaceutical box table to lift along with the lifting table relative to the weighing mechanism; the guide mechanism is used for limiting the rotation of the lifting platform relative to the weighing mechanism. The medicine box table is lifted to realize independent action of the medicine box table, so that the structure is simplified, and interference among all mechanisms of the medicine dispensing machine is prevented. The adopted lifting motor can be directly purchased in the market, so that the production and use cost of the equipment is reduced.
Further, the lifting motor comprises a shell and a lifting shaft with threads, the lifting shaft is positioned in the middle of the shell and penetrates through the shell, the shell is fixed relative to the weighing mechanism or the lifting table, the lifting shaft stretches relative to the shell, and the lifting table is controlled to lift relative to the weighing mechanism.
Further, the guide mechanism comprises a guide shaft and a guide sleeve which are coaxially arranged; the guide shaft is fixed relative to the lifting table, the guide sleeve is fixed relative to the weighing mechanism, or the guide sleeve is fixed relative to the lifting table, and the lifting shaft is fixed relative to the weighing mechanism; the guide sleeve moves along the axial direction of the guide shaft and limits the rotation of the lifting platform relative to the weighing mechanism.
Further, a plurality of medicine discharging mechanisms are arranged above the medicine box table, and the medicine box table can be turned and stopped relative to the lifting table, so that the operation stations are respectively corresponding to the medicine discharging mechanisms. This simple structure can stabilize the crane, realizes the relative lift of medicine box platform, prevents the influence of crane dislocation to the dispensing mechanism.
Further, the lifting platform is connected with the medicine box platform through a rotating mechanism, and the rotating mechanism comprises a driven wheel, a rotating seat, a driving wheel and a rotating motor; the driven wheel is rotatably arranged in the rotating seat and connected with the medicine box table, the rotating seat is connected with the lifting table, and the driver drives the driven wheel in a gear transmission, chain transmission or belt transmission mode through the driving wheel, so that the medicine box table rotates/stops. The change of the position of medicine box is realized through slewing mechanism, is favorable to realizing the ratio of multiple kind traditional chinese medicine, is favorable to the change of medicine box simultaneously.
Further, the weighing mechanism comprises a tray, a weighing table, a weighing sensor and a weighing circuit thereof; trays are respectively corresponding to the operation stations, weighing sensors corresponding to the trays are connected with a weighing platform, and the lifter controls the pharmaceutical box platform to lift relatively to the weighing platform. Through the mode of alternately supporting the medicine box, make the medicine box weigh in real time, can also be convenient for switch into pivoted mode.
Further, the weighing platform is connected with a base frame, the base frame comprises a base platform and a limiting cylinder, the lifting motor is arranged in the middle of the base frame, the plurality of guide mechanisms are arranged around the lifting motor, and each guide mechanism comprises a guide shaft and a guide sleeve; the guide shaft and the limit cylinder are coaxially arranged, and the guide sleeve is connected with the lifting table and sleeved on the guide shaft. The guide sleeve of the structure is matched with the limit cylinder, so that the structure of the guide mechanism is simplified.
Further, 3-16 operation stations are uniformly distributed on the medicine box table, and a tray is correspondingly arranged under each operation station.
A medicine dispensing device adopts the lifting mechanism. The medicine dispensing machine can form a whole body of a complete medicine box package, and the automation degree of equipment is improved.
The weighing circuit adopts a circuit connection structure in the prior art to convert the analog quantity measured by the sensor into a digital quantity for intelligent control and measurement.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the switching of different processes of the medicine dispensing machine, such as the switching of two functions of weighing and rotating the medicine box disc, is convenient, the distance between the mechanisms of different functions of the medicine dispensing machine is ensured, and the interference of the mechanisms when the medicine dispensing machine executes the different functions is avoided;
2. the transition structure of each functional mechanism can be used as a transition structure of each functional mechanism, so that the smoothness and the safety of the production of the medicine dispensing machine are ensured, the design precision of each functional mechanism of the medicine dispensing machine is reduced, and the production and manufacturing cost of equipment is reduced.
Drawings
FIG. 1 is a disassembled view of the rotation, lifting and weighing mechanism of the dispensing machine;
FIG. 2 is an assembly view of the rotation, lifting and weighing mechanism of the dispensing machine;
FIG. 3 is a diagram of the overall construction of the dispensing machine;
fig. 4 is a diagram of a vial structure with a drug delivery cap for a drug delivery machine.
The marks in the figure: the device comprises a 1-base frame, a 11-base station, a 12-limiting cylinder, a 2-lifting mechanism, a 21-lifting shaft, a 22-manual adjusting wheel, a 23-lifting motor, a 24-guiding shaft, a 25-guiding sleeve, a 26-lifting table, a 3-weighing mechanism, a 31-tray, a 32-weighing sensor, a 33-weighing table, a 4-rotating mechanism, a 41-rotating motor, a 42-rotating bearing, a 43-driving wheel, a 44-driven wheel, a 45-rotating seat, a 5-medicine box, a 6-medicine box table, a 61-operating station, a 7-first sensor, a 8-second sensor, a 9-lower medicine cover, a 91-moving cover body and a 92-fixed cover body.
Detailed Description
As shown in fig. 1-4, a medicine dispensing machine of the present invention comprises a medicine box table 6, a lifting mechanism 2, a weighing mechanism 3, a rotating mechanism 4, a base frame 1 and a medicine discharging mechanism.
The medicine box table 6 is provided with 3-16 operation stations 61 for taking and placing medicine boxes 5.
The lifting mechanism 2 comprises a lifter, the medicine box tray 6 is positioned above the lifter, and the rotating mechanism 4 and the weighing mechanism 3 are arranged below the medicine box tray 6. The lifter comprises a lifting motor 23, a lifting table 26 and a guide mechanism, the medicine box table 6 can rotate and stop relative to the lifting table 26, and the lifting motor 23 controls the medicine box table 6 to lift relative to the weighing mechanism 3 along with the lifting table 26; the guide mechanism is used to limit the rotation of the lifting table 26 relative to the weighing mechanism 3. The lifting motor 23 includes a housing and a threaded lifting shaft, the lifting shaft is located in the middle of the housing and penetrates through the housing, the housing is fixed relative to the weighing mechanism 3 or the lifting table, the lifting shaft stretches relative to the housing, and the lifting table 26 is controlled to lift relative to the weighing mechanism 3.
The guide mechanism comprises a guide shaft and a guide sleeve which are coaxially arranged; the guide shaft is fixed relative to the lifting table 26, the guide sleeve is fixed relative to the weighing mechanism 3, or the guide sleeve is fixed relative to the lifting table 26 and the guide shaft is fixed relative to the weighing mechanism 3; the guide sleeve moves along the axial direction of the guide shaft and limits the rotation of the lifting table 26 relative to the weighing mechanism 3. The lifter controls the medicine box table 6 and the weighing mechanism 3 to move relatively in the vertical direction, so that the medicine box 5 can be placed on the weighing mechanism 3 for weighing. The shell of the lifting motor 23 is connected with a lifting table 26 and the lifting shaft is connected with a base table of the base frame.
The weighing mechanism 3 comprises a tray 31, a weighing table 33, a weighing sensor 32 and a weighing circuit thereof; the weighing mechanism 3 corresponds to each operation station 61; and a tray 31 is respectively corresponding to the right lower part of the operation station 61, the weighing sensor 32 corresponding to each tray 31 is connected with the weighing platform 33, and the lifter controls the medicine box platform 6 and the weighing platform 33 to relatively lift. The manual adjustment wheel is used to adjust the initial position of the lift motor 23.
The lifting table 26 is connected with the medicine box table 6 through a rotating mechanism 4, and the rotating mechanism 4 comprises a driven wheel 44, a rotating seat 45, a driving wheel 43 and a rotating motor 41; the driven wheel 44 is rotatably arranged in a rotating seat 45 and is connected with the medicine box table 6, the rotating seat 45 is connected with the lifting table 26, and the driver drives the driven wheel 44 in a gear transmission, chain transmission or belt transmission mode through the driving wheel 43 to enable the medicine box table 6 to rotate/stop.
The base frame 1 is connected with and supports the weighing platform 33, the base frame 1 comprises a base table 11 and a limiting cylinder 12, the lifting motor 23 is arranged in the middle of the base frame 1, a plurality of guide mechanisms are arranged around the lifting motor 23, and each guide mechanism comprises a guide shaft 24 and a guide sleeve 25; the guide shaft 24 and the limiting cylinder 12 are coaxially arranged, the guide sleeve 25 is connected with the lifting table 26 and sleeved between the guide shaft 24 and the limiting cylinder 12, and the guide sleeve 25 is used for limiting the rotation of the lifting table 26 relative to the weighing table 33.
A medicine discharging mechanism is correspondingly arranged above each operation station 61 of the medicine box table 6, so that the operation stations 61 correspond to the medicine discharging mechanisms respectively. When the medicine feeding mechanism feeds medicine, the medicine box 5 falls on the tray 31 and is weighed in real time, and at the moment, the medicine feeding mechanism, the operation station 61 and the tray 31 which are arranged from top to bottom axially coincide.
When the lifting device is used, the lifting shaft 21 of the lifting motor 23 is propped against the middle part of the first base 11, the shell of the lifting motor 23 is propped against the middle part of the lifting seat, when the lifting motor 23 controls the lifting seat to descend, the medicine box table 6 descends along with the descending, after a certain distance of descending, the medicine box 5 of the medicine box table 6 is supported and weighed by the weighing table 33 arranged on the base frame 1, the medicine box table 6 continues to descend and separate from the medicine box 5, and in the descending process, the guide sleeve 25 arranged on the lifting table 26 is inserted along the limiting cylinder 12 and simultaneously limits the rotation of the lifting table 26; after the medicine box table 6 descends to the appointed position, the medicine dispensing machine positioned on the panel of the medicine dispensing machine starts to dispense medicine into the medicine box 5, after medicine is dispensed by a sufficient amount, the lifting motor 23 controls the lifting seat to ascend, and in the ascending process, the medicine box table 6 brings the medicine box 5 to enable the medicine box 5 to be separated from the weighing table 33, after the medicine box 5 ascends to a proper height, the lifting motor 23 stops rotating, the rotating mechanism 4 connected between the lifting seat and the medicine box table 6 drives the medicine box 5 to rotate, so that the next medicine adjacent to the medicine box 5 is added again. The lifting mechanism 2 completes the transition between the functions of the medicine dispensing mechanism.