A kind of packed medicine automatic letter sorting machine
One, technical field
The present invention relates to Logistics Equipment, relate in particular to a kind of packed medicine automatic letter sorting machine.
Two, background technology
The medicine letter sorting of hospital pharmacy and medical retail shop is mainly based on unbundled sorting, and domestic technological means in this field is also relatively backward at present, mainly based on the manual sorting.During manual sorting's medicine, easily cause the eyes identification error, often need repeat letter sorting, and needed labour intensity is big, expends time in long and makes mistakes easily.Along with the quickening of hospital information pace of construction, the demand of medicine being torn open zero automatic letter sorting technology and equipment is more and more urgent.
Patent Office of China national Department of Intellectual Property discloses announcement number is called a kind of Drug Storage manipulator for CN2535331Y, name Chinese patent application on March 12nd, 2002, this device is by motor and transmission device driven mechanical hand arm, bottled medicine in the Drug Storage can be taken out and delivers on metering, the packing position, and can send medicine bottle back to original position; Patent Office of China national Department of Intellectual Property discloses announcement number is called box-packed Western medicine automatic medicine extractor for CN2486511Y, name Chinese patent application on April 17th, 2002, it is a kind of fan type body medicine-chest of being made up of low outer high medicine lattice in a plurality of, medicine-chest is made of drug blocking fan leaf, the box of getting it filled, the motor of getting it filled, get it filled compressing tablet and rotary electric machine, can realize getting it filled automatically of box packed medicine; Patent Office of China national Department of Intellectual Property discloses announcement number is called automatic dispensary for CN101214107B, name Chinese patent application on July 9th, 2008, it comprises ramp type drug storage cabinet, send out medicine device, sorting equipment, feeding device and control and management system, and this device can be realized the S. A. supply in batches, the intensive storage and management of medicine box of box packed medicine and send out medicine automatically and be sorted to functions such as determining window by prescription; Patent Office of China national Department of Intellectual Property discloses announcement number is called box packed medicine for CN101481037A, name the Chinese patent application that goes out medicine device on July 15th, 2009, this device places ramp type drug storage groove with medicine box, rotary magnet is installed in ramp type drug storage groove medicine outlet bottom, the rotary magnet rotation can drive that roller shaft lifts medicine box so that it crosses the fixedly gear shaft of front end, under the extruding of back medicine, medicine sends in the deadweight of medicine box and medicine groove; Patent Office of China national Department of Intellectual Property on August 29th, 2007 disclose announcement number for CN101026958C, name be called for receive, storage and divide the equipment of match bag and the disclosures in Italian patent application of method, it comprises cabinet, reefer space, shelf, kinematic scheme, data management system etc.Can realize the operations such as reception, storage and distribution to the blood bag, it to the insertion of blood bag and taking-up by manually finishing.
In sum, at present the automatic unbundled sorting equipment of domestic and international existing medicine mainly is applicable to the container dimensions comparison rule and box packed medicine and the bottled medicine of certain degree of hardness is arranged, and this class unbundled sorting equipment is realized the letter sorting of article to actions such as the machinery of article impact, plays by mechanism for sorting.Because the profile of packed medicine is irregular and packing is softer, above-mentioned these mechanism for sorting are difficult to it is implemented sorting operation.Have not yet to see automatic letter sorting machine structure and device for packed medicine.
Three, summary of the invention
The objective of the invention is to fill up the blank of the automatic letter sorting of present packed medicine, a kind of dependable performance is provided, counts the packed medicine automatic letter sorting machine that accurately, is not subjected to package shape restriction, letter sorting efficient height and is difficult for causing the packaging bag breakage.The present invention mainly is applicable to the automatic letter sorting of tearing zero back pkt. powder charge product open, also can be used for the automatic letter sorting of other similar sacked goods.
Basic design of the present invention is made up of frame, mechanism for sorting, transmission shaft, transmission shafts bearing, brake axle, brake axle permanent seat, coupler, stepping motor, stepping motor seat, belt conveyer and corresponding electric control system; Frame is that end face is trapezoidal elongate frame, two sides of frame and bottom surface are the angle of α, two transmission shafts by the transmission shafts bearing respectively on even keel be installed in both sides, frame top, two brake axles by the brake axle permanent seat respectively on even keel be installed in the frame two bottom sides, and transmission shaft and brake axle keeping parallelism, near the appropriate location on the every transmission shaft one terminal frame stepping motor seat is being installed, at the stepping motor seat stepping motor is installed, the shaft of stepping motor links to each other with transmission shaft by coupler, mechanism for sorting has a plurality of, two rows are installed in respectively between frame two upper lateral part transmission shafts and the bottom brake axle about being divided into, belt conveyer is installed in the appropriate location between the mechanism for sorting of the left and right sides in the frame, electric control system is installed in the special-purpose control housing, in the mechanism for sorting, under two magnetic clutch and stepping motors of both sides and the drive motor of belt conveyer link to each other.
Mechanism for sorting is made of duplex chain wheel sleeve, sleeve bearing, magnetic clutch, guide housing, roller chain, pallet, bearing pin, flathead screw, chain rail and electric lost magnetic clutch; The duplex chain wheel sleeve on top is sleeved on the transmission shaft by sleeve bearing, on transmission shaft near the duplex chain wheel sleeve also suit magnetic clutch, magnetic clutch is connected with transmission shaft by flat key, the coupling link of magnetic clutch is fixed with one by the sprocket wheel of pin and top duplex chain wheel sleeve sides adjacent, the space that guide housing strides across between two sprocket wheels of duplex chain wheel sleeve is fixed on the frame, the duplex chain wheel sleeve of bottom is installed on the brake axle by sleeve bearing, on brake axle near bottom duplex chain wheel sleeve also suit the electric lost magnetic clutch, the electric lost magnetic clutch is connected with brake axle by flat key, the coupling link of electric lost magnetic clutch is fixed with one by the sprocket wheel of pin and bottom duplex chain wheel sleeve sides adjacent, on, use the surrounded and tensioning of roller chain between two sprocket wheels about the duplex chain wheel sleeve of bottom, about pallet is installed in by bearing pin on the two row roller chains, the chain rail is fixed on by flathead screw on the inclined side of frame, and the roller chain after the tensioning is supported on the chain rail by the roller on it.
Pallet is formed by the sheet metal bending and molding, and front shape is rectangle plane one sideband flanging, and both sides, the back side have pin shaft hole and support the otic placode structure of usefulness.
Principle of work of the present invention: in a mechanism for sorting, be stretched in up and down the roller chain between two duplex chain wheel sleeves and be installed in the carrier bar lift system that pallet on the chain is formed a band inclined angle alpha, be used for placing packed medicine to be sorted on the horizontal pallet of outside flare up; When mechanism for sorting does not sort, the magnetic clutch of its upper and lower part all is in off-position, the coupling link of top magnetic clutch separates with clutch body, make top duplex chain wheel sleeve sky be enclosed within on the transmission shaft, and the bottom is the electric lost magnetic clutch, and the engagement of coupling link and clutch body connects as one bottom duplex chain wheel sleeve and brake axle during outage, thereby the generation brake action remains static the pallet of this mechanism for sorting; When mechanism for sorting begins to sort, give last, the magnetic clutch energising of bottom, the coupling link of bottom electric lost magnetic clutch separates with clutch body, bottom duplex chain wheel sleeve and brake axle are thrown off, brake action disappears, and the coupling link of top magnetic clutch and clutch body adhesive, make top duplex chain wheel sleeve and transmission shaft combination, stepping motor drives top duplex chain wheel sleeve by transmission shaft and rotates, driving pallet by chain rises, at the mechanism for sorting top, the transmission shaft revolution is crossed a β angle, will climb over a pallet, and top packed medicine landing is got off, and the back side that slips over guide housing and previous pallet falls on the belt conveyer that is positioned at frame, finishes the letter sorting of one bag of medicine; Every side step is advanced the corner of motor and is controlled by controllor for step-by-step motor by electric control system, when the concurrent working simultaneously of a plurality of mechanism for sorting of this side, the rotational angle of transmission shaft equals N β, N is the maxim of letter sorting quantity in the mechanism for sorting of working simultaneously, letter sorting quantity less than the mechanism for sorting of N after finishing the letter sorting task of oneself, the magnetic clutch outage of its upper and lower part, this mechanism withdraws from sorting operation.
Effect: the present invention adopts the magnetic clutch of a pair of opposite characteristic to cooperate the carrier bar lift system of special tectonic to realize letter sorting function to packed medicine, this structure adapts to the characteristics that packed medicine profile is irregular and packing is softer, is difficult for causing the packaging bag breakage; Adopt step motor control transmission shaft corner, the precise control of letter sorting quantity; A plurality of mechanism for sorting can concurrent working, and letter sorting speed is fast, efficient is high; The degree of automation height is time saving and energy saving; Not only be applicable to the automatic letter sorting of packed medicine, also can be used for the automatic letter sorting of other similar sacked goods.
Four, description of drawings
Fig. 1 is the front view of structural representation of the present invention;
Fig. 2 is the lateral plan of structural representation of the present invention;
Fig. 3 is the top partial enlarged view of mechanism for sorting;
Fig. 4 is the bottom partial enlarged view of mechanism for sorting;
Fig. 5 is the pallet structural representation;
Fig. 6 is packed medicine sort process scheme drawing;
Fig. 7 is pallet and roller chain annexation scheme drawing.
Reference numeral:
1 frame, 2 mechanism for sorting, 2-1 magnetic clutch, 2-1-1 magnetic clutch coupling link, 2-1-2 pin, 2-2 duplex chain wheel sleeve, the 2-3 guide housing, 2-4 sleeve bearing, 2-5 roller chain, the 2-6 pallet, 2-6-1 otic placode, 2-7 bearing pin, the 2-8 flathead screw, 2-9 chain rail, 2-10 electric lost magnetic clutch, 2-10-1 electric lost magnetic clutch coupling link, 2-10-2 pin, 3 transmission shafts, 4 transmission shafts bearings, 5 brake axles, 6 brake axle permanent seats, 7 coupler, 8 stepping motors, 9 stepping motor seats, 10 belt conveyers, 11 packed medicines
Five, the specific embodiment
Be described in detail implementation process of the present invention below in conjunction with accompanying drawing, as Fig. 1~shown in Figure 7.
The present invention is used for packed medicine and sorts automatically, the mechanism for sorting number that can select separate unit sorter both sides to arrange according to factors such as drug variety, order (prescription) number and single order letter sorting amounts; Comprise the number affects of pallet in each mechanism for sorting to the reserves of medicine and the height of frame, the factors such as comfort feature big or small and that replenish that should take all factors into consideration equipment volume, drug storage amount are determined the quantity of pallet.
Behind for example comprehensive various factors, the structure of determining the separate unit sorter is 6 mechanism for sorting of every side, and each mechanism for sorting contains 46 pallets, can deposit 21 bags of medicines, and complete machine can be deposited 12 * 21=252 bag medicine (Fig. 1, Fig. 2) at most simultaneously; Frame 1 fixes on the ground, each side in frame 1, transmission shaft 3 is installed in the top of frame 1 by transmission shafts bearing 4 on even keels, brake axle 5 is installed in the bottom of frame 1 by brake axle permanent seat 6 on even keels, transmission shaft 3 and brake axle 5 keeping parallelisms, near the appropriate location on every transmission shaft one terminal frame stepping motor seat 9 is being installed, at stepping motor seat 9 stepping motors 8 is being installed, the shaft of stepping motor 8 is by coupler 7 link to each other with transmission shaft 3 (Fig. 1, Fig. 2); In mechanism for sorting 2, the duplex chain wheel sleeve 2-2 on top is sleeved on the transmission shaft 3 by sleeve bearing 2-4, on transmission shaft 3 near duplex chain wheel sleeve 2-2 also suit magnetic clutch 2-1, magnetic clutch 2-1 is connected with transmission shaft 3 by flat key, magnetic clutch coupling link 2-1-1 is fixed with one by the sprocket wheel of pin 2-1-2 and top duplex chain wheel sleeve 2-2 sides adjacent, the space that guide housing 2-3 strides across between two sprocket wheels of duplex chain wheel sleeve 2-2 is fixed on the frame 1, the duplex chain wheel sleeve 2-2 of bottom is installed on the brake axle 5 by sleeve bearing 2-4, on brake axle 5 near bottom duplex chain wheel sleeve 2-2 also suit electric lost magnetic clutch 2-10, electric lost magnetic clutch 2-10 is connected with brake axle 5 by flat key, the coupling link 2-10-1 of electric lost magnetic clutch is fixed with one by the sprocket wheel of pin 2-10-2 and bottom duplex chain wheel sleeve 2-2 sides adjacent, on, use the surrounded and tensioning of roller chain 2-5 between two sprocket wheels about the duplex chain wheel sleeve of bottom, about pallet 2-6 is installed in by bearing pin 2-7 on the two row roller chain 2-5, chain rail 2-9 is fixed on by flathead screw 2-8 on the inclined side of frame 1, and the roller chain 2-5 after the tensioning is supported on chain rail 2-9 by the roller on it and goes up (Fig. 3, Fig. 4); Every 6 chain links a pallet is installed in this example, on the inclined-plane in frame 1 outside 21 pallet 2-6 are arranged, the back side of each pallet is towards roller chain 2-5, the otic placode 2-6-1 at the pallet back side is supported on the roller chain 2-5, make pallet just in time be in can the support article horizontality, in frame 1 an inner roller chain 2-5 side of wraparound from the top down, pallet 2-6 front is towards roller chain 2-5, the otic placode 2-6-1 of pallet 2-6 does not contact with roller chain 2-5, makes unloaded pallet 2-6 be sagging shape (Fig. 5~Fig. 7); Belt conveyer 10 is installed in the frame 1 appropriate location (Fig. 1, Fig. 5) below between the left and right sides mechanism for sorting 2; Electric control system is installed in the special-purpose control housing, and (not shown) links to each other with the drive motor of the stepping motor of upper and lower two magnetic clutchs and both sides in 12 mechanism for sorting and belt conveyer.
Be example with the work of one-sided mechanism for sorting with being without loss of generality, for example the letter sorting task that will carry out is that the quantity that this side mechanism for sorting sorts is followed successively by 1,2,3,4,5,6 order arrangements, before the letter sorting beginning, at first fill packed medicine 11 by artificial going up toward the open pallet 2-6 of outside level by kind.The letter sorting beginning, under electric control system controls, belt conveyer 10 starts, stepping motor 8 drives transmission shaft 3 intermittent rotations 6 β angles, upper and lower magnetic clutch 2-1, the 2-10 of mechanism for sorting 2 connect once in the time of β angle of revolution, climb over a pallet 2-6, make top packed medicine 11 fall into belt conveyer 10 backs and transported.Magnetic clutch was no longer connected after first mechanism for sorting was finished the letter sorting task, the chain of this mechanism for sorting and pallet are braked and remain static, and the magnetic clutch of follow-up mechanism for sorting continues to keep on-state till the letter sorting task of this mechanism is finished, therefore the angle that turns over of each mechanism for sorting is followed successively by 1 β, 2 β, 3 β, 4 β, 5 β, 6 β, sorts out 1,2,3,4,5,6 bag of medicine successively.When pallet 2-6 twists over above duplex chain wheel sleeve 2-2, leave the top that packed medicine 11 on the pallet was slipped to guide housing 2-4 before this in, on the belt conveyer 10 below being slipped to along the back side of previous pallet then under the promotion of pallet (Fig. 6).In sort process, empty pallet 2-6 is sagging shape along with chain 2-5 gets around toward the sorter bottom outside after the wraparound of sorter top, can be level again under the combined action of gravity and otic placode 2-6-1 and open shape after empty pallet 2-6 rolls up from the bottom, this moment can be by artificial toward top additional goods.
According to different demands, the packed medicine automatic letter sorting machine of the present invention can be made the form of single-sided arrangement mechanism for sorting, also can be with a long belt conveyer with the use that is together in series of above-mentioned many packed medicine sorters, to reach the effect that increases drug storage amount and drug storage kind, improves letter sorting efficient in the use.