Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the automatic medicine plate feeding device which can quickly and accurately convey medicine plates to the designated positions, is low in production cost and improves the medicine packaging efficiency.
The invention is realized by the following technical scheme:
an automatic medicine plate feeding device comprises a medicine plate box, a push rod, a boss, a slide rail and a large gear;
wherein, the medicine board is range upon range of from top to bottom put things in good order in the medicine board case, the lower extreme of medicine board case delivery side is provided with the discharge gate, the push rod sets up in the medicine board case and is located the bottom, its one end stretches out the medicine board case and is connected with the slide rail, be provided with the vertically spout on the slide rail, the gear wheel sets up the side at the medicine board case, the boss sets up the edge on big gear surface, the boss is located the spout, when the gear wheel rotates, the boss can reciprocate along the spout, and can drive the push rod along pushing groove horizontal reciprocating motion, with the medicine board propelling movement of lower floor to the conveyer belt.
Optionally, the thickness of the push rod is equal to or less than the thickness of the medicine plate.
Optionally, the tablet box is a rectangular box body, the bottom of the side wall parallel to each other at the two ends of the discharge side is provided with a horizontal pushing groove, the push rod is located in the pushing groove, the two ends of the push rod are embedded with balls, and the push rod moves in the pushing groove through the balls.
Optionally, the bottom of the inside wall of tablet case sets up in the horizontally recess, and this inside wall is parallel with the lateral wall of discharge gate, and the push rod is before the propelling movement tablet, and the push rod is arranged in the recess.
Optionally, the bull gear is connected with the driving device through a pinion, the bull gear and the pinion are in meshing transmission, and the pinion is arranged on an output shaft of the driving device.
Optionally, a rolling device is arranged on the top surface of the push rod, and when the push rod pushes the medicine plate on the lowest layer, the rolling device is in rolling contact with the medicine plate on the upper layer of the push rod.
Optionally, the rolling device is a rolling rod or a plurality of balls arranged at intervals.
Optionally, the width of the discharge port is greater than the width of the medicine plate, and the height of the discharge port is greater than the thickness of one medicine plate and less than the thickness of two medicine plates.
Optionally, the inner dimension of the tablet case is the same as the size of the tablet.
Compared with the prior art, the invention has the following beneficial technical effects:
this medicine board automatic feeding device adopts push rod and pushing structure to combine, and the medicine board falls automatically under the effect of gravity, and the gear wheel drives the push rod and is horizontal reciprocating motion, and the push rod and then goes out the medicine board case with the medicine board propelling movement of the medicine chest lower floor, has realized the automatic transmission of medicine board, this loading attachment simple structure, the operation is stable, and the maintenance cost is little, can high-efficiently stabilize and will carry out the output of medicine board, has improved work efficiency greatly, can also be applicable to the medicine board of different specifications, has improved packagine machine's suitability.
The push rod and the medicine board box are in rolling friction, so that the friction force in the movement is reduced, the movement of the push rod is smoother, and the noise is reduced.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
As shown in fig. 1, an automatic medicine plate feeding device comprises a medicine plate feeding device, a capsule feeding device, a medicine plate film sticking device, a medicine plate cutting device and a transmission device;
wherein, medicine board loading attachment, capsule loading attachment, medicine board pad pasting device and medicine board cutting device set gradually along transmission's direction of transfer, medicine board loading attachment is located the side of conveyer belt, be used for carrying the medicine board that will hold the capsule to conveyer on, capsule loading attachment, medicine board pad pasting device and medicine board cutting device set up respectively at conveyer's top, capsule loading attachment is arranged in putting into the medicine board with the capsule, medicine board pad pasting device is used for carrying out the card membrane seal mouth to the medicine board that is equipped with the capsule, medicine board cutting device is used for cutting the medicine board for appointed length specification.
As shown in fig. 2, the tablet feeding device comprises a tablet box 1, a push rod 2, a boss 3, a slide rail 4, a tablet motor 5, a pinion 6 and a bull gear 7.
Medicine board case 1 sets up in one side of conveyer, and medicine board case 1 is square structure and the same with the size of medicine board, and the medicine board is range upon range of from top to bottom put things in good order in medicine board case 1, and the lower extreme of the 1 delivery side of medicine board case is provided with the discharge gate, and on the medicine board can get into conveyer from the discharge gate, discharge gate and conveyer's conveyer belt parallel and level. The bottoms of two side faces which are adjacent to the discharge side and parallel to each other are provided with a pushing groove, the push rod 2 is arranged in the medicine plate box 1, two ends of the push rod 2 are respectively positioned in the pushing grooves, and the push rod 2 can horizontally move in the pushing grooves along the axial direction of the pushing grooves.
The bottom of the lateral wall opposite to the discharge side in the medicine plate box 1 is provided with a horizontal groove, when the push rod pushes the medicine plate, the push rod is positioned in the groove and positioned on the side surface of the medicine plate, and when the push rod pushes the medicine plate out of the medicine plate box 1, the push rod is positioned at the bottom of the medicine plate.
Slide rail 4 sets up the one end at push rod 2 perpendicularly, and the center of slide rail 4 is provided with the vertically spout, and gear wheel 7 sets up on the lateral wall of tablet case 1 and lies in same one side with slide rail 4, and the center of gear wheel 7 rotates with the center of lateral wall to be connected, and the surface edge of gear wheel is provided with boss 3, and the boss lies in the spout of slide rail 4 to can follow spout up-and-down reciprocating motion, set up pinion 6 on the output shaft of tablet motor 5, pinion 6 and gear wheel 7 meshing.
Under the drive of medicine board motor 5, pinion 6 drives gear wheel 7 and rotates, and then boss 3 reciprocates in the spout of slide rail 4 under the effect of rotating force, and slide rail 4 drives the push rod simultaneously along pushing away groove reciprocating motion, and the push rod and then with the medicine board propelling movement of lower floor to conveyer, the medicine board on upper strata can fall automatically under the effect of gravity.
The top of push rod is provided with the gyro wheel, prevents that the push rod from taking place the friction with the medicine board at top, avoids causing the damage to the medicine board.
As shown in fig. 3 and 4, the capsule feeding device comprises a medicine bin 8, a capsule motor 9, a thumb wheel 10, a grooved wheel 11 and a roller 12.
The lower extreme of medicine storehouse 8 is provided with the support, medicine storehouse 8 crosses the top that sets up at conveyer through the support, medicine storehouse 8 support and conveyer's leg joint, the trapezoidal structure is fallen in the cross-section of medicine storehouse 8, the center of cylinder 12 sets up the fixed axle, cylinder 12 passes through the fixed axle and rotates the bottom that sets up at medicine storehouse 8 and seal medicine storehouse 8, the medicine storehouse 8 is worn out to the one end of fixed axle, the fixed axle is located the partial cover of medicine storehouse 8 outside and is established sheave 11, capsule motor 9 is installed on the support, thumb wheel 10 is installed on the output shaft of capsule motor 9, sheave mechanism is constituteed to sheave 11 and thumb wheel 10, thumb wheel 10 can make the unidirectional cycle who stops intermittent type rotate.
The capsule feeding device adopts a sheave mechanism, the sheave mechanism is a unidirectional intermittent motion mechanism consisting of a driving dial provided with a cylindrical pin, a sheave and a frame, and the sheave mechanism is often used for converting the continuous rotation of a driving part into the unidirectional periodic rotation with pause of a driven part.
The grooved pulley 11 is fixedly connected to a fixed shaft of the roller 12 through a central mounting hole, 4 radial open grooves are uniformly distributed on the circumference of the grooved pulley 11, the opening side of each open groove is located at the edge of the grooved pulley 11, the open grooves axially penetrate through the grooved pulley, two adjacent open grooves are connected through an inwards concave locking arc surface, and the inwards concave arc surfaces are matched with the circumferential surface of the shifting wheel 10.
The surface of the thumb wheel 10 is provided with a cylindrical pin, and in the active rotation process of the thumb wheel 10, the cylindrical pin can be inserted into an open slot of the grooved wheel 11, so that the grooved wheel is toggled to rotate, the thumb wheel 10 rotates for a circle, and the grooved wheel 11 rotates 1/4 circles.
The drum 12 is provided with four groups of capsule grooves for transferring capsules, the four groups of capsule grooves are uniformly distributed on the circumferential surface of the drum 12 in the circumferential direction, each group of capsule grooves are respectively positioned on the same axial plane in an open slot, each group of capsule grooves comprise a plurality of capsule holes, the capsule holes are arranged at equal intervals along the axial direction of the drum, and the intervals of the capsule holes are the same as the intervals of the medicine feeding grooves of the medicine plate.
The capsule falls into the capsule hole of the roller under the action of gravity, the thumb wheel 10 drives the grooved pulley to rotate, and when the capsule hole filled with the capsule rotates to the bottom of the roller, the capsule automatically falls into the medicine plate.
As shown in fig. 5, a typical construction of a geneva gear is shown with a thumb wheel 10 at a constant angular velocity w1When the cylindrical pin on the thumb wheel 10 does not enter the radial groove of the grooved wheel, the grooved wheel is still because the concave locking arc surface of the grooved wheel 11 is clamped by the circumferential surface of the thumb wheel 10. When the cylindrical pin just enters the radial opening groove of the grooved pulley, the concave locking arc surface is separated from the circumferential surface of the thumb wheel 10, and the grooved pulley is driven by the cylindrical pin to rotate. When the other side of the cylindrical pin leaves the radial groove, the concave locking arc surface is contacted with the circumferential surface of the thumb wheel 10, and the grooved wheel is locked and is still. This movement is repeated until the pin re-enters another radial groove of the sheave. Therefore, the sheave can perform intermittent motion of stopping when moving. The sheave mechanism has simple structure, small overall dimension, high mechanical efficiency and stable intermittent transposition. But because the transmission fashion has flexible impact, the transmission is often used in the situation with not high speed.
The capsule medicine is loaded in the medicine bin 8, slides to the upper part of the roller 12 under the influence of gravity to enter the capsule groove, the poking wheel 10 is driven by the motor 9 to rotate, the grooved wheel 11 is driven by the poking wheel 10 to rotate, then the roller 12 rolls, and then the capsule enters the medicine plate under the action of gravity.
As shown in fig. 6, the medical plate film pasting device comprises a winding drum 17, a pressing wheel 18 and two symmetrically arranged fixing frames.
The mount is installed respectively on the support 30 of conveyer both sides, and the both ends of reel 17 rotate with two mounts respectively to be connected, and the pad pasting is the tinfoil, and the tinfoil package all is provided with guide rail 16 on reel 17 for the tinfoil on the protection reel 17, and the lower part of mount is provided with the horizontally pinch roller support, and the both ends of pinch roller 18 respectively with pinch roller leg joint.
When the medicine board filled with the capsules enters the lower part of the guide rail 16, the end part of the tin foil paper is drawn out from the upper part of the winding drum 17 and is pasted on the end part of the medicine board, the medicine board is driven to move forwards by the conveying device, then the tin foil and the medicine board simultaneously pass through the lower part of the pressing wheel 18, and the tin foil is pasted on the medicine board by the pressing wheel 18.
As shown in fig. 7, the medicine plate cutting device includes a cutter fixing plate, a cutting motor 19, a guide rail 20, a crankshaft 21, a connecting rod 22, a cutter 23, and a roller 25.
The two cutter fixing plates are symmetrically arranged at the top of a support 30 of the conveying device, a front main journal and a rear main journal of a crankshaft 21 are respectively connected with one cutter fixing plate, a cutting motor 19 is connected with the front main journal of the crankshaft 21, two connecting rod journals are arranged on the crankshaft 21 at intervals, each connecting rod journal is respectively and rotatably connected with one connecting rod 22, and the other end of each connecting rod 22 is hinged with a cutter 23.
As shown in fig. 8, cutter 23 includes cutter fixing plate and installs the cutter in the cutter fixing plate bottom, cutter fixing plate's both sides are provided with two sets of roller groups respectively, two sets of roller group horizontal interval set up, every roller group of group includes the gyro wheel 25 that two perpendicular intervals set up, two cutter fixing plate's opposite side all is provided with two perpendicular and parallel slide rails, gyro wheel 25 sets up in the slide rail, cutter 23 can follow the slide rail and reciprocate under the drive of bent axle, its purpose cuts off the precision for the improvement, reduce frictional force, control cutter 23's moving direction.
The cutter is assembled by a plurality of blades, and the shape of cutter sets up according to the specification of medicine board, can be with the medicine board cutting for appointed size.
As shown in fig. 9, the conveying means includes a driving roller 26, a conveying belt 27, a conveying motor 28, a carrier roller 29, a bracket 30, and an endless bracket 31.
An annular bracket 31 is arranged at the top of the bracket 30, two transmission rollers 26 are arranged at two ends of the annular bracket 31, a carrier roller 29 is arranged on the annular bracket 31 and positioned between the two transmission rollers 26, a conveyor belt 27 is wound on the transmission rollers 26 and the carrier roller 29, a conveyor motor is arranged on the bracket 30, and the conveyor motor is connected with the transmission rollers 26.
The conveying motor 28 drives the conveying roller 26 to rotate, the conveying roller 26 rotates to enable the conveying belt to move, the supporting roller 29 supports the conveying belt and materials, and the support frame 30 supports the whole conveying device.
As shown in fig. 10, the conveyor belt 27 is arranged in a groove shape, which is intended to prevent the plastic bubbles of the device capsules on the medicine plate from being damaged due to excessive pressure when the tinfoil paper is attached, and the plastic bubbles are arranged in the groove to avoid pressure damage.
The function of the idler rollers 29 is to support the weight of the conveyor belt and material. The idler operation must be flexible and reliable. The friction force between the conveying belt and the carrier roller is reduced, and the key effect is played on the service life of the conveying belt which accounts for more than 25% of the total cost of the conveying device. The nylon carrier roller has extremely high wear resistance and extremely low friction coefficient, and is not easy to wear a belt; the nylon carrier roller has excellent self-lubricating property, does not need to be filled with oil, and is not easy to be blocked when used under severe conditions; the nylon carrier roller has the advantages of static resistance, smoldering resistance, aging resistance and chemical corrosion resistance; can bear repeated impact and vibration.
The working principle of the applied automatic medicine packing machine will be explained in detail below.
Firstly, the medicine plate is arranged in a medicine plate box 1, a small gear 6 is driven by a medicine plate motor 5 to rotate, a big gear 7 is driven to rotate, a boss 3 connected to the big gear 7 moves up and down in a sliding rail 4, and a push rod 2 is pushed to move left and right to push the medicine plate to a conveying belt, so that the medicine plate feeding work is completed. The capsule medicine is loaded in the medicine bin 1 and slides to the upper part of the roller 15 under the influence of gravity, regular capsules enter capsule holes of the roller 15, the dial wheel rotates under the drive of the capsule motor, the cylindrical pin on the dial wheel drives the grooved pulley 11 to rotate, the impeller rotates for a circle, the grooved pulley rotates for 1/4 circles, the capsule holes with the capsules rotate to the bottom of the roller 12, and therefore the capsules fall to the medicine loading position of the medicine plate.
On reel 17 was arranged in to whole book tin foil paper, when the medicine board got into the 16 below of guide rail, pasted the tin foil paper anterior segment on the medicine board front end, drove the medicine board through the conveyer belt and move forward, and the medicine board drove the tin foil paper and moves forward, makes tin foil paper and medicine board laminating, and the conveyer belt drove the medicine board and removes, through the 18 rolls presses of pinch roller, makes medicine board and tin foil paper closely laminate. And after the coating, conveying the coated.
The motor 19 drives the crankshaft 21 to rotate, the crankshaft 21 drives the connecting rod 22, the roller 25 is arranged at the joint of the cutter 23 and the guide rail 20, and the roller 25 can move along the groove in the slide rail 20, so that the cutter 23 connected to the connecting rod 22 can move up and down in the guide rail 20, and the purpose of the device is to improve the cutting precision, reduce the friction force and facilitate the movement of the cutter 23; the cutter 23 is composed of several groups of small cutters with regular sizes, and aims to cut a large medicine plate into the size required by the medicine plate at one time, so that the function of cutting the medicine plate is achieved, and the medicine plate is conveyed to a discharging position by a conveyor belt to perform the next working procedure after being cut into the required size.
This automatic medicine packagine machine adopts medicine board loading attachment to carry the medicine board to the conveyer belt on, then carry to the medicine groove of placing the capsule neatly on the medicine board to capsule loading attachment by the conveyer belt, carry to medicine board pad pasting device by the conveyer belt again and seal, adopt medicine board cutting device to cut apart into required specification at last, this packagine machine simple structure, the operation is stable, the maintenance cost is little, can the efficient accomplish filling and cutting apart of capsule and medicine board, work efficiency is greatly improved, can also be applicable to the encapsulation of different tablets or pellet, the suitability of packagine machine is improved, high spreading value has.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.