CN111134484A

CN111134484A - Full-automatic medicine mixing device

Info

Publication number: CN111134484A
Application number: CN201910862432.6A
Authority: CN
Inventors: 王草叶; 王祁
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-12

Abstract

The invention relates to the technical field of medicine mixing equipment, in particular to a full-automatic medicine mixing device. It includes the box, the inside of box is provided with two crowded cartridge cases at least, the top of crowded cartridge case is linked together through injection pipe and injection mouth, two be linked together through pushing away the pencil between the crowded cartridge case, the bottom intercommunication that pushes away the pencil has logical pencil, the medicine mixing box is installed to the bottom that leads to the pencil, the play pencil that is linked together rather than inside is installed to the bottom of mixing the medicine box, the bottom intercommunication that goes out the pencil has the pipe that connects the pencil. This full-automatic medicine device that mixes is when mixing the medicine, and whole medicine process that mixes is all accomplished in sealed box, improves the quality of mixing the medicine, sets up the solenoid valve and is used for controlling the communicating state in each pipeline, through the encapsulated situation of adjusting different pipelines, accomplishes the work of annotating the medicine, crowded medicine, mixing the medicine and arranging the medicine, wholly adopts motor drive simultaneously, reduces artificial interference, realizes automatic work, improves mixing efficiency and quality.

Description

Full-automatic medicine mixing device

Technical Field

The invention relates to the technical field of medicine mixing equipment, in particular to a full-automatic medicine mixing device.

Background

Two or more flotation agents with the same or different types and structures are combined according to the optimal proportion for use. The sorting effect of the mixed medicines is often better than that of either medicine used alone. This effect is called a synergistic effect and the agents used are called combination agents. The existing mixed medicines are mostly mixed manually, so that the efficiency is low, the mixing effect is poor, and meanwhile, the medicines cannot be mixed manually in a sealed environment, so that the quality of the mixed medicines is influenced.

Disclosure of Invention

The present invention is directed to a fully automatic drug mixing device that solves one or more of the above-mentioned deficiencies in the prior art.

In order to achieve the purpose, the invention provides a full-automatic medicine mixing device, which comprises a box body, wherein a partition plate is arranged at the top end of the inner wall of the box body, at least two grooves are formed in the outer wall of the partition plate, a medicine injection opening is formed in each groove, at least two medicine extruding pipes are arranged in the box body, the two medicine extruding pipes are symmetrically arranged, the tops of the medicine extruding pipes are communicated with the medicine injection opening through medicine injection pipes, the two medicine extruding pipes are communicated with each other through medicine pushing pipes, the bottoms of the medicine pushing pipes are communicated with medicine passing pipes, a medicine mixing box is arranged at the bottom of the medicine passing pipes, a medicine outlet pipe communicated with the inside of the medicine mixing box is arranged at the bottom of the medicine mixing box, a medicine receiving pipe is communicated with the bottom of the medicine outlet pipe, supporting legs are symmetrically arranged at the bottom of the box body, a top plate is arranged at the top of the box body, the lower plate is provided with a lower injection hole penetrating through the lower plate on one side corresponding to the injection port, an upper injection hole penetrating through the upper plate is formed on one side of the upper plate corresponding to the lower injection hole, and the upper injection hole and the lower injection hole are equal in size.

Preferably, install first solenoid valve on the injection pipe, push away and install the second solenoid valve between pencil and the logical pencil, go out pencil department and install the third solenoid valve.

Preferably, the outer wall of the medicine injection port is provided with a sealing ring.

Preferably, at least two electric sealing devices are arranged in the gap groove, each electric sealing device comprises a pair of sealing covers which are symmetrically arranged, each sealing cover is of a semicircular structure, the area of each sealing cover is half of the area of an upper medicine injection hole, the height of each sealing cover is equal to the depth of the gap groove, a connecting rod is arranged on the outer wall of each sealing cover, a stroke conveying belt is further arranged in each partition, two ends of the inner wall of each stroke conveying belt are rotatably connected through belt pulleys, a driving motor is arranged at the bottom of one belt pulley, an installation rod for supporting is arranged at the bottom of the other belt pulley, the bottom of each installation rod is rotatably connected to the top of each partition through a first bearing, clamping sleeves are respectively arranged on two sides of the outer wall of each stroke conveying belt, each connecting rod is bent downwards and provided with a sliding rod, each, and the top of the lower plate is also provided with a stroke groove for the sliding rod to slide transversely.

As preferred, the inside of crowded cartridge case is hollow structure, just install the device that pushes away that is used for crowded medicine in the crowded cartridge case, it includes the outer tube to push away the medicine device, the inside sliding connection of outer tube has interior push rod, the outer tube is equipped with open-ended hollow pipeline structure for both ends, the inside of outer tube is provided with the lead screw, threaded connection has screw-nut on the lead screw, interior push rod is installed in screw-nut one end, interior push rod is equipped with open-ended pipeline structure for both ends, interior push rod and lead screw sliding connection, the piston plate is installed to the other end of interior push rod, the diameter of piston plate and the diameter looks adaptation of crowded cartridge case.

Preferably, drive arrangement is installed to the one end of outer tube, drive arrangement is including installing the shell, the inside groove has been seted up to the inside of installing the shell, the inside groove both ends are provided with the transfer roller respectively, two the transmission is connected with the drive conveyer belt between the transfer roller, is close to the axis of rotation is installed to the transfer roller outer wall of outer tube one end, the axis of rotation is used for driving the lead screw rotation, another the rotating electrical machines is installed to the transfer roller outer wall, the transfer roller rotates through the second bearing and connects in installation shell inner wall department.

Preferably, a driving sleeve is installed at one end of the screw rod, an installation groove is formed in the driving sleeve, and the installation groove is in inserting fit with the rotating shaft.

As preferred, the outer wall ann symmetry of mixing the medical kit installs mixed medicine device, mixed medicine device is including the cardboard that is "L" shape structure, a plurality of work motors are installed to the cardboard lateral wall, are located work motor on the cardboard of mixing medical kit both sides is all not on same horizontal straight line, the connecting axle is installed to work motor one end, the connecting axle passes the cardboard in proper order and mixes the medical kit, inside the connecting axle stretches into mixing the medical kit, the outer wall of connecting axle is provided with and is spiral helicine stirring tooth, the other end of connecting axle rotates through the third bearing and connects in the department of mixing medical kit inner wall.

Preferably, the clamping plate positioned at the bottom of the mixing medicine box is fixed on the outer wall of the mixing medicine box through mounting screws.

Preferably, the outer wall of the box body is also provided with a control key.

Compared with the prior art, the invention has the beneficial effects that:

1. in this full-automatic medicine device that mixes, the crowded cartridge case that will be used for crowded medicine and the case that mixes that is used for mixing the medicine all set up inside the box, when mixing the medicine, and the whole medicine process that mixes is all accomplished in sealed box, improves the quality of mixing the medicine.

2. In this full-automatic medicine device that mixes, the medicine that will mix through the syringe is in the injection mouth pours into the injection pipe into through the injection mouth to setting up the sealing washer in injection mouth department, realizing that the syringe is when injecting, the injection mouth is whole for sealed environment with the injection pipe, avoids the injection medicine to receive the pollution.

3. In this full-automatic medicine device that mixes, set up electric seal device, through the motion of two sealed lids, can freely switch the encapsulated situation of injection mouth, when the guarantee is smoothly injected medicine, can in time seal the injection mouth.

4. In the full-automatic medicine mixing device, the inner push rod is driven by the lead screw and drives the piston plate to slide in the medicine extruding cylinder, so that the medicine extruding work of the medicine extruding cylinder is realized.

5. In this full-automatic medicine device that mixes, through the rotation of stirring tooth in the mixing box, realize the mixing stirring to the medicine, the design of stirring tooth is the heliciform, can increase the area of contact of stirring tooth and medicine, produces certain thrust to the medicine when helical shape stirring tooth is rotatory simultaneously, avoids the medicine to push on the stirring tooth.

6. In this full-automatic medicine device that mixes, set up the solenoid valve and be used for controlling the communicating state in each pipeline, through the encapsulated situation who adjusts different pipelines, accomplish the work of notes medicine, crowded medicine, mixing and arranging the medicine, whole motor drive that adopts simultaneously reduces artificial interference, realizes automatic work, improves mixing efficiency and quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the separator structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the case according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 5 is a schematic view of the top plate structure of the present invention;

FIG. 6 is an exploded view of the roof structure of the present invention;

FIG. 7 is a schematic view of the structure of the lower plate of the present invention;

FIG. 8 is a schematic view of the electric sealing device of the present invention;

FIG. 9 is a schematic view of the structure of the drug pusher according to the present invention;

FIG. 10 is an exploded view of the outer sleeve and inner pushrod configuration of the present invention;

FIG. 11 is a structural exploded view of the driving device of the present invention;

FIG. 12 is an overall operational schematic of the solenoid valve of the present invention;

FIG. 13 is a solenoid valve drive circuit diagram of the present invention;

FIG. 14 is a pin diagram of a stepper motor driven die of the present invention;

FIG. 15 is a schematic view of the operation of the stepper motor of the present invention;

FIG. 16 is a schematic view of the internal structure of the mixing box of the present invention;

FIG. 17 is a schematic diagram of a control button structure according to the present invention;

FIG. 18 is a schematic diagram of the solenoid valve key control operation of the present invention;

fig. 19 is a schematic diagram of the stepping motor key control operation of the present invention.

The various reference numbers in the figures mean:

100. a box body;

110. a top plate;

111. an upper plate; 1111. an upper drug injection hole;

112. a lower plate; 1121. a medicine injection hole; 1122. a stroke slot;

113. a clearance groove;

114. an electrically powered sealing device; 1141. a sealing cover; 1142. a connecting rod; 1143. a slide bar; 1144. a travel conveyor; 1145. a belt pulley; 1146. a drive motor; 1147. mounting a rod; 1148. a first bearing; 1149. a card sleeve;

120. a partition plate; 121. a groove; 122. a medicine injection port; 123. a seal ring;

130. a control key; 140. a support plate;

200. extruding the cartridge;

210. a medicine pushing device;

211. an outer sleeve; 2111. a screw rod; 2112. a drive sleeve; 2113. mounting grooves;

212. an inner push rod; 2121. a feed screw nut; 2122. a piston plate;

213. a drive device; 2131. installing a shell; 2132. an inner tank; 2133. a conveying roller; 2134. driving the conveyor belt; 2135. a rotating electric machine; 2136. a rotating shaft; 2137. a second bearing;

220. a medicine injection tube; 230. a first solenoid valve; 240. a medicine pushing pipe; 250. a medicine introducing pipe; 260. a second solenoid valve;

300. a medicine mixing box; 310. a medicine outlet pipe; 320. a medicine receiving pipe; 330. a third electromagnetic valve;

340. a mixing drug device; 341. clamping a plate; 342. a working motor; 343. a connecting shaft; 344. stirring teeth; 345. a third bearing; 346. and (5) mounting screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-19, the present invention provides a technical solution:

the invention provides a full-automatic medicine mixing device, which comprises a box body 100, wherein a partition plate 120 is installed at the top end of the inner wall of the box body 100, at least two grooves 121 are formed in the outer wall of the partition plate 120, medicine injection ports 122 are formed in the grooves 121, at least two medicine extruding cylinders 200 are arranged in the box body 100, the two medicine extruding cylinders 200 are symmetrically arranged, the tops of the medicine extruding cylinders 200 are communicated with the medicine injection ports 122 through medicine injection pipes 220, medicines to be mixed can be conveniently injected into the medicine injection pipes 220 through the medicine injection ports 122 through an injector, meanwhile, sealing rings 123 are arranged on the outer wall of the medicine injection ports 122, the sealing rings 123 are made of rubber materials, the sealing effect is good, when the injector is inserted into the medicine injection ports 122, the injection heads of the injector are tightly pressed through the sealing rings 123, the medicine injection ports 122 and the medicine injection pipes 220 are integrally sealed, and.

Specifically, as shown in fig. 3, two medicine squeezing cartridges 200 are communicated with each other through a medicine pushing pipe 240, the bottom of the medicine pushing pipe 240 is communicated with a medicine passing pipe 250, a medicine mixing box 300 is installed at the bottom of the medicine passing pipe 250, a medicine outlet pipe 310 communicated with the inside of the medicine mixing box 300 is installed at the bottom of the medicine mixing box 300, the bottom of the medicine outlet pipe 310 is communicated with a medicine receiving pipe 320, support legs 140 are symmetrically installed at the bottom of the box body 100, medicines entering the medicine squeezing cartridges 200 are pushed into the medicine passing pipe 250 through the medicine pushing pipe 240 and enter the medicine mixing box 300 through the medicine passing pipe 250, the medicines mixed by the medicine mixing box 300 are discharged from the medicine outlet pipe 310, and meanwhile, the support legs 140 are arranged, so that the box body 100 has a certain distance from the ground, a sufficient installation distance is reserved for the medicine outlet pipe 310, and the medicine outlet work is facilitated.

Further, a top plate 110 is installed on the top of the box body 100, the top plate 110 includes an upper plate 111 and a lower plate 112, a clearance groove 113 is left between the upper plate 111 and the lower plate 112, a lower injection hole 1121 penetrating through the lower plate 112 is formed in one side of the lower plate 112 corresponding to the injection port 122, an upper injection hole 1111 penetrating through the upper plate 111 is formed in one side of the upper plate 111 corresponding to the lower injection hole 1121, the upper injection hole 1111 and the lower injection hole 1121 have the same size, the top of the box body 100 is covered by the top plate 110, meanwhile, an upper injection hole 1111 and a lower injection hole 1121 are formed in corresponding positions on the upper plate 111 and the lower plate 112, and the syringe sequentially passes through the upper injection hole 1111 and the lower injection hole 1121 and is inserted into the injection port 122.

Still further, a first electromagnetic valve 230 is installed on the drug injection tube 220, a second electromagnetic valve 260 is installed between the drug pushing tube 240 and the drug through tube 250, a third electromagnetic valve 330 is installed at the drug out tube 310, the electromagnetic valve controls the conduction of the triode through a photoelectric coupler, and further controls the opening and closing of the electromagnetic valve, in this embodiment, the TIP122 is used to control the conduction and the closing of the electromagnetic valve circuit, meanwhile, considering that a large current backflow occurs when the electromagnetic valve is disconnected, a backflow loop is further provided in this embodiment to prevent components from being burned out, and a backflow loop is formed by the diode 1N4007 and the electromagnetic valve to weaken the impact of the backflow current, as shown in fig. 12 specifically.

The electromagnetic valve driving circuit controls the triode switch through the preceding stage circuit, when the triode is conducted, the light emitting diode is on, the battery valve switch is turned on, and the 1K potentiometer is used as a debugging circuit. Because the specific battery valve driving voltage has a certain floating value, the accuracy of the battery valves with different specifications is different, once the battery valve driving voltage is debugged, the battery valve driving voltage can be completely replaced by a fixed resistance, so that the opening of the battery valve switch and the lighting of the LED lamp can be synchronously carried out, the diode 1N4007 is used for forming a backflow loop with the electromagnetic valve to weaken the impact of backflow current, and a specific circuit diagram is shown in FIG. 13, wherein a J2 interface is connected with the electromagnetic valve.

In order to achieve the automatic sealing effect of the drug injection port 122, the present invention further provides an electric sealing device 114, as shown in fig. 6-8, at least two electric sealing devices 114 are disposed in the clearance groove 113, the electric sealing devices 114 include a pair of sealing covers 1141 disposed symmetrically, the sealing covers 1141 are in a semicircular structure, the two sealing covers 1141 are disposed symmetrically and combined to form a circular plate shape, the area of the sealing cover 1141 is half of the area of the upper drug injection hole 1111, when the two sealing covers 1141 are combined, the area is equal to the drug injection hole 1111, so as to facilitate sealing of the drug injection hole 1111, the height of the sealing cover 1141 is equal to the depth of the clearance groove 113, so that the sealing cover 1141 slides in the clearance groove 113, thereby achieving the opening and combining of the two sealing covers 1141, when the two sealing covers 1141 are combined, the two sealing covers 1141 are blocked between the upper drug injection hole 1111 and the lower drug injection hole 1121, thereby achieving the sealing of, when the two sealing covers 1141 are opened by sliding, the upper injection hole 1111 and the lower injection hole 1121 are communicated with each other, so as to open the injection port 122.

Specifically, the outer wall of the sealing cover 1141 is provided with a connecting rod 1142, the partition plate 120 is further provided with a stroke transmission belt 1144, two ends of the inner wall of the stroke transmission belt 1144 are rotatably connected through belt pulleys 1145, the bottom of one belt pulley 1145 is provided with a driving motor 1146, the driving motor 1146 drives one belt pulley 1145 to rotate and realize transmission of the stroke transmission belt 1144 through the belt pulley 1145, the bottom of the other belt pulley 1145 is provided with a mounting rod 1147 for supporting, the bottom of the mounting rod 1147 is rotatably connected to the top of the partition plate 120 through a first bearing 1148, the support of the belt pulley 1145 is realized through the mounting rod 1147, so that the two belt pulleys 1145 are positioned on the same horizontal straight line, meanwhile, the rotation of the mounting rod 1147 is realized through the first bearing 1148, so as to ensure the smooth rotation of the belt pulleys 1145, two sides of the outer wall of the stroke transmission belt 114, the stroke conveying belts 1144 on both sides move back to back or move in opposite directions to drive the two cutting sleeves 1149 to move back to back or move in opposite directions, the connecting rod 1142 is bent downward and is provided with a sliding rod 1143, the sliding rod 1143 passes through the lower plate 112 and is correspondingly inserted into the cutting sleeve 1149, the top of the lower plate 112 is further provided with a stroke slot 1122 for the sliding rod 1143 to slide transversely, so that the two sliding rods 1143 move back to back or move in opposite directions in the stroke slot 1122, and further drive the two sealing covers 1141 to move back to back or move in opposite directions, when the two sealing covers 1141 move back to back, the distance between the two sealing covers 1141 becomes far, so as to open the medicine injection port 122, and when the two sealing covers 1141 move in opposite directions, the distance between the two sealing covers 1141 is shortened, so as to realize the sealing.

In order to realize the medicine injection operation of the medicine extruding cylinder 200, the medicine extruding cylinder 200 is improved in the embodiment, specifically, as shown in fig. 9 and 11, the inside of the medicine extruding cylinder 200 is a hollow structure, so that the medicine is conveniently stored in the medicine extruding cylinder 200, a medicine pushing device 210 for extruding the medicine is installed in the medicine extruding cylinder 200, the medicine pushing device 210 includes an outer sleeve 211, an inner push rod 212 is slidably connected to the inside of the outer sleeve 211, the outer sleeve 211 is a hollow pipeline structure with openings at two ends, so that the screw rod 2111 is conveniently arranged in the outer sleeve 211, and the inner push rod 212 can slide out from the outer sleeve 211.

Specifically, a screw 2111 is arranged inside the outer sleeve 211, a screw nut 2121 is connected to the screw 2111 in a threaded manner, the inner push rod 212 is mounted at one end of the screw nut 2121, the inner push rod 212 is a pipe structure with openings at two ends, the inner push rod 212 is connected to the screw 2111 in a sliding manner, the screw nut 2121 is driven to move linearly on the screw 2111 along the screw 2111 by driving the screw 2111 to rotate, and the inner push rod 212 is pushed to slide on the screw 2111.

Further, the other end of the inner push rod 212 is provided with a piston plate 2122, the diameter of the piston plate 2122 is matched with the diameter of the medicine squeezing barrel 200, and the inner push rod 212 drives the piston plate 2122 to slide in the medicine squeezing barrel 200, so that the medicine squeezing operation of the medicine squeezing barrel 200 is realized.

Furthermore, a driving device 213 is installed at one end of the outer sleeve 211, the driving device 213 comprises an installation housing 2131, an inner groove 2132 is opened inside the installation housing 2131, conveying rollers 2133 are respectively arranged at two ends of the inner groove 2132, a driving conveying belt 2134 is connected between the two conveying rollers 2133 in a transmission manner, a rotating shaft 2136 is installed on the outer wall of the conveying roller 2133 close to one end of the outer sleeve 211, the rotating shaft 2136 is used for driving the screw 2111 to rotate, a rotating motor 2135 is installed on the outer wall of the other conveying roller 2133, one conveying roller 2133 is driven to rotate by the rotating motor 2135, the conveying roller 2133 rotates to drive the conveying belt 2134 to rotate, and then the other conveying roller 2133 is driven to synchronously rotate, so that the screw 2111 is driven to rotate through the rotating shaft 2136, the conveying roller 2133 is rotatably connected to the inner wall of the mounting shell 2131 through the second bearing 2137, and the conveying roller 2133 can stably rotate on the inner wall of the mounting shell 2131 conveniently.

Preferably, one end of the screw 2111 is provided with a driving sleeve 2112, the driving sleeve 2112 and the screw 2111 are coaxially arranged, the driving sleeve 2112 is internally provided with a mounting groove 2113, the mounting groove 2113 is in plug-in fit with a rotating shaft 2136, the rotating shaft 2136 is mounted in the mounting groove 2113, the driving sleeve 2112 is driven to rotate by the rotating shaft 2136, the screw 2111 is driven to rotate by the driving sleeve 2112, and rotation protection of the rotating shaft 2136 and the screw 2111 is realized.

In order to realize the medicine mixing operation, the present embodiment further improves the medicine mixing box 300, specifically, as shown in fig. 16, the medicine mixing devices 340 are symmetrically installed on the outer wall of the medicine mixing box 300, each medicine mixing device 340 includes a clamping plate 341 in an "L" shaped structure, because the medicine mixing box 300 is in a rectangular box structure, the clamping plate 341 is designed in an "L" shaped structure, so as to attach the clamping plate 341 to the outer wall of the medicine mixing box 300, a plurality of working motors 342 are installed on the side wall of the clamping plate 341, the working motors 342 located on the clamping plates 341 on both sides of the medicine mixing box 300 are not on the same horizontal straight line, one end of each working motor 342 is installed with a connecting shaft 343, the connecting shaft 343 sequentially passes through the clamping plate 341 and the medicine mixing box 300, the connecting shaft 343 extends into the medicine mixing box 300, the outer wall of the connecting shaft 343 is provided with spiral stirring teeth 344, the connecting shaft 343 is driven, the realization is to the mixed stirring of medicine, and it is the heliciform to stir the design of tooth 344, can increase the area of contact of stirring tooth 344 and medicine, and helical shape stirring tooth 344 produces certain thrust to the medicine when rotatory simultaneously, avoids the medicine to push on stirring tooth 344, and in addition, the work motor 342 of both sides is all not on same horizontal straight line for the connecting axle 343 of both sides is also not on same horizontal straight line, and then improves the effect that stirs tooth 344 stirring.

Further, the other end of the connecting shaft 343 is rotatably connected to the inner wall of the medicine mixing box 300 through a third bearing 345, so that the connecting shaft 343 can rotate smoothly on the inner wall of the medicine mixing box 300.

Specifically, the catch plate 341 located at the bottom of the medicine mixing box 300 is fixed to the outer wall of the medicine mixing box 300 by the mounting screws 346, and the stability between the catch plate 341 and the medicine mixing box 300 is further improved.

It should be noted that, the driving motor 1146, the rotating motor 2135 and the working motor 342 all adopt stepping motors, the stepping motors adopt L298N driving chips for driving control, L298N is a special driving chip for double full Bridge stepping motors produced by SGS-THOMSON Microelectronics, which contains a 4-channel logic driving circuit inside, and is a special driver for two-phase and four-phase stepping motors, and can simultaneously drive 2 two-phase or 1 four-phase stepping motors, a high-voltage and high-current double full Bridge driver containing two H-bridges, receives standard TTL logic signals, and can drive stepping motors below 46V and 2A, Pin diagrams thereof are shown in fig. 14, wherein Pin1 and Pin15 can be connected with resistors for current detection to control a circuit of a load; 2 stepping motors are respectively connected between OUTL, OUT2 and OUT3, OUT 4; input1-input4 inputs control potential to control the positive and negative rotation of the motor; enable then controls the motor to stall.

The operating schematic diagram of the H-bridge driving circuit in L298N is shown in fig. 15, the transistors on the same side cannot be turned on at the same time, when VT1 and VT4 are turned on, and VT2 and VT3 are turned off, the current flows from positive through VT1, flows into the motor from the positive electrode of the motor, and then flows into the motor through VT4, and at this time, the motor runs in the forward direction. Similarly, when VT2 and VT3 are conducted, current enters the motor from the negative pole, and the motor runs in the reverse direction. When VT1 and VT3 or VT2 and VT4 are turned on simultaneously, the motor is in a braking state.

In addition, control button 130 is still installed to the outer wall of box 100, and control button 130 is used for control solenoid valve and step motor's work, and wherein control solenoid valve adopts optoelectronic coupler control circuit, and optoelectronic coupler comprises the triplex: light emission, light reception, and signal amplification. The input electric signal drives the light emitting diode to emit light with a certain wavelength, and the light emitting diode is received by the light detector to generate a photocurrent which is further amplified and then output. This completes the electric-optical-electric conversion, thereby playing the role of input, output and isolation. The circuit only needs small current, and the specific circuit is shown in fig. 18, wherein the J1 interface is externally connected with a positive 24V power supply to supply power to the system.

The stepping motor is controlled by a 4 x 4 keyboard to realize the setting of function keys, an interface circuit of the determinant keyboard and the single chip microcomputer is shown in fig. 19, H0-H3 is a row line, the high 4 bits of a P2 port of the single chip microcomputer are connected, L0-L3 is a column line, and the low 4 bits of a P2 port of the single chip microcomputer are connected. The keyboard row line is high level and the column line is low level during initialization. The row line of the keyboard is connected with a 4-input AND gate, and the output of the 4-input AND gate is connected with a P3.2 port of an external interrupt 0 pin of the singlechip. When a key is pressed down, interruption is generated, and the key is scanned in an interruption program to obtain the key value of the key.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Full-automatic medicine device that mixes, including box (100), its characterized in that: the medicine box is characterized in that a partition board (120) is installed at the top end of the inner wall of the box body (100), at least two grooves (121) are formed in the outer wall of the partition board (120), a medicine injection port (122) is formed in each groove (121), at least two medicine squeezing boxes (200) are arranged in the box body (100), the two medicine squeezing boxes (200) are symmetrically arranged, the tops of the medicine squeezing boxes (200) are communicated with the medicine injection port (122) through medicine injection pipes (220), the two medicine squeezing boxes (200) are communicated with each other through medicine pushing pipes (240), the bottoms of the medicine pushing pipes (240) are communicated with medicine passing pipes (250), medicine mixing pipes (300) are installed at the bottoms of the medicine mixing pipes (250), medicine outlet pipes (310) communicated with the interiors of the medicine mixing pipes (300), medicine receiving pipes (320) are communicated with the bottoms of the medicine outlet pipes (310), supporting legs (140) are symmetrically installed at the bottoms of the box body (100), roof (110) is installed at the top of box (100), roof (110) includes upper plate (111) and hypoplastron (112), leave clearance groove (113) between upper plate (111) and hypoplastron (112), hypoplastron (112) correspond injection mouth (122) one side and offer lower injection hole (1121) that link up hypoplastron (112), upper plate (111) correspond lower injection hole (1121) one side and offer last injection hole (1111) that link up upper plate (111), the size of going up injection hole (1111) and lower injection hole (1121) equals.

2. The fully automatic drug mixing device according to claim 1, characterized in that: install first solenoid valve (230) on injection pipe (220), push away between pencil (240) and the medicine pipe (250) and install second solenoid valve (260), go out pencil (310) and locate to install third solenoid valve (330).

3. The fully automatic drug mixing device according to claim 1, characterized in that: and a sealing ring (123) is arranged on the outer wall of the medicine injection port (122).

4. The fully automatic drug mixing device according to claim 1, characterized in that: the utility model discloses a medicine injection device, including clearance groove (113), be provided with two electric seal device (114) at least in clearance groove (113), electric seal device (114) are including a pair of sealed lid (1141) that the symmetry set up, sealed lid (1141) semicircular structure, the area of sealed lid (1141) is half of last injection hole (1111) area, the height of sealed lid (1141) equals with the degree of depth of clearance groove (113), connecting rod (1142) are installed to the outer wall of sealed lid (1141), still be provided with stroke conveyer belt (1144) in baffle (120), the inner wall both ends of stroke conveyer belt (1144) are passed through belt pulley (1145) and are rotated the connection, and one of them driving motor (1146) is installed to belt pulley (1145) bottom, another installation pole (1147) that are used for supporting are installed to the bottom of belt pulley (1145), the bottom of installation pole (1147) is passed through first bearing (1148) and is rotated and is connected at, cutting ferrules (1149) are respectively installed on two sides of the outer wall of the stroke conveying belt (1144), the connecting rod (1142) is bent downwards and provided with a sliding rod (1143), the sliding rod (1143) penetrates through the lower plate (112) and is correspondingly inserted into the cutting ferrules (1149), and a stroke groove (1122) for the sliding rod (1143) to transversely slide is further formed in the top of the lower plate (112).

5. The fully automatic drug mixing device according to claim 1, characterized in that: the interior of the medicine extruding cylinder (200) is of a hollow structure, a medicine pushing device (210) for extruding medicine is installed in the medicine extruding cylinder (200), the medicine pushing device (210) comprises an outer sleeve (211), an inner push rod (212) is connected inside the outer sleeve (211) in a sliding manner, the outer sleeve (211) is a hollow pipeline structure with openings at two ends, a screw rod (2111) is arranged inside the outer sleeve (211), the screw rod (2111) is in threaded connection with a screw rod nut (2121), the inner push rod (212) is arranged at one end of the screw rod nut (2121), the inner push rod (212) is a pipeline structure with openings at two ends, the inner push rod (212) is connected with the screw rod (2111) in a sliding way, the other end of the inner push rod (212) is provided with a piston plate (2122), and the diameter of the piston plate (2122) is matched with that of the extrusion cylinder (200).

6. The fully automatic drug mixing device according to claim 5, wherein: drive arrangement (213) is installed to the one end of outer tube (211), drive arrangement (213) are including installing shell (2131), inside of installing shell (2131) has seted up interior groove (2132), conveying roller (2133) are provided with respectively at interior groove (2132) both ends, two transmission is connected with drive conveyer belt (2134) between conveying roller (2133), and axis of rotation (2136) are installed to conveying roller (2133) outer wall near outer tube (211) one end, axis of rotation (2136) are used for driving lead screw (2111) to rotate, and another rotating electrical machines (2135) are installed to conveying roller (2133) outer wall, conveying roller (2133) rotate through second bearing (2137) and connect in installation shell (2131) inner wall department.

7. The fully automatic drug mixing device according to claim 6, wherein: a driving sleeve (2112) is installed at one end of the screw rod (2111), an installation groove (2113) is formed in the driving sleeve (2112), and the installation groove (2113) is in plug-in fit with the rotating shaft (2136).

8. The fully automatic drug mixing device according to claim 1, characterized in that: mix medicine device (340) is installed to the outer wall ann symmetry of medicine mixing box (300), mix medicine device (340) including cardboard (341) that are "L" shape structure, a plurality of work motors (342) are installed to cardboard (341) lateral wall, are located work motors (342) on cardboard (341) of medicine mixing box (300) both sides are all not on same horizontal straight line, connecting axle (343) are installed to work motor (342) one end, cardboard (341) and medicine mixing box (300) are passed in proper order in connecting axle (343), just inside connecting axle (343) stretch into medicine mixing box (300), the outer wall of connecting axle (343) is provided with and is spiral helicine stirring tooth (344), the other end of connecting axle (343) is passed through third bearing (345) and is rotated and is connected in medicine mixing box (300) inner wall department.

9. The fully automatic drug mixing device according to claim 8, wherein: the clamping plate (341) positioned at the bottom of the mixing box (300) is fixed on the outer wall of the mixing box (300) through mounting screws (346).

10. The fully automatic drug mixing device according to any one of claims 1 to 9, wherein: the outer wall of the box body (100) is also provided with a control key (130).