Chemical test tube cleaning machine and cleaning method
Technical Field
The invention relates to the technical field of chemical test tube cleaning, in particular to a chemical test tube cleaning machine and a cleaning method.
Background
In the test tube used in the chemical experiment, the test tube is usually a carrier for chemical reaction, and the solid generated after the experiment is finished is stuck on the inner wall of the test tube and is difficult to clean. In the cleaning operation of the test tube, the test tube is usually cleaned by rotating a hand-held test tube brush. In this way, the inner wall of the test tube can be cleaned sufficiently by rotating the test tube for many times, but the method is time-consuming and labor-consuming. Moreover, the model size of test tube is different, and the test tube of different models need to be scrubbed with the test tube brush of corresponding size.
Disclosure of Invention
The invention aims to provide a chemical test tube cleaning machine and a cleaning method, which are used for cleaning batch test tubes.
The technical scheme adopted by the invention for solving the technical problems is as follows: the chemical test tube cleaning machine is characterized by comprising a shell, a material collector, a one-by-one taking assembly, a measuring assembly, a classifying assembly, an installation rod, a conveying mechanism, a brushing mechanism, a cleaning mechanism, a fumigating mechanism, a transfer assembly and a storage box,
the device comprises a shell, a material collector, a wheel-shifting motor, a first tube groove, a second tube groove and a tube-shifting assembly, wherein the material collector is of a funnel-shaped structure and is arranged at the top of the shell, the wheel-shifting motor is used for driving a wheel-shifting motor and is positioned below the material collector, and the wheel-shifting motor is provided with a first tube groove for accommodating test tubes;
a measuring assembly is arranged on the right side of the shifting wheel and comprises a fixed clamping block, a movable clamping block, a measuring spring and a strain gauge, a guide rail is fixed on the mounting rod, the movable clamping block is arranged on the guide rail in a sliding manner, the measuring spring is arranged between the movable clamping block and the guide rail, the strain gauge is arranged on the measuring spring, and the strain gauge is in signal connection with the controller;
a classification assembly is arranged below the measurement assembly, the classification assembly comprises a sliding block, a material receiving cylinder and a material distributor, the sliding block is in sliding connection with the shell under the driving of the material receiving cylinder, two second pipe grooves are formed in the top of the sliding block, the test tubes fall in the second pipe grooves and then are obliquely arranged, an outlet is formed in the front side wall of the mounting rod, a classifier which synchronously acts with the sliding block is arranged on the front side of the mounting rod, the middle of the top of the classifier is high, the two ends of the classifier are low, material distribution surfaces which are obliquely arranged are arranged on the tops of the two ends of the classifier, and the two material distribution surfaces are symmetrically arranged;
the left side and the right side of the classifier are respectively provided with a conveying mechanism, an obliquely arranged transition plate is arranged between the conveying mechanism and the classifier, and the conveying mechanism comprises a conveying wheel, a conveying chain and a first pipe support arranged on the conveying chain;
a brushing mechanism, a cleaning mechanism and a fumigating mechanism which are positioned on the mounting rod and are sequentially arranged along the conveying direction of the conveying mechanism are arranged above the conveying mechanism, wherein the brushing mechanism comprises a lifting cylinder fixed on the mounting rod, a first bracket arranged on the lifting cylinder, an arc-shaped clamping plate arranged on the first bracket, a horizontal pushing cylinder arranged on the first bracket, a moving plate arranged on the horizontal pushing cylinder, a rotating motor arranged on the moving plate and a brush rod arranged at the output end of the rotating motor; the cleaning mechanism comprises a lifting cylinder fixed on the mounting rod, a first support arranged on the lifting cylinder, an arc-shaped clamping plate arranged on the first support, a second support arranged on the first support, a water nozzle arranged on the second support, and a water pump connected with the water nozzle on the mounting rod; the fumigation mechanism comprises a lifting cylinder fixed on the mounting rod, a first bracket arranged on the lifting cylinder, an arc-shaped clamping plate arranged on the first bracket, a second bracket arranged on the first bracket, a steam nozzle arranged on the second bracket, and the steam nozzle is connected with a steam generator on the mounting rod; the mounting rod is provided with a photoelectric sensor corresponding to the lifting cylinder and used for sensing a test tube below the lifting cylinder;
a transfer assembly is arranged at the conveying tail end of the conveying mechanism, and the transfer assembly mainly comprises a motor mounting plate fixedly connected with the shell, an upper rail and a lower rail which are arranged on the motor mounting plate, a second pipe support which is arranged on the upper rail and the lower rail in a sliding mode and moves along an arc shape, and a swing unit which drives the second pipe support to move in the arc shape;
a rotary table rotatably connected with the shell is arranged below the swinging unit, a storage box is arranged on the rotary table, a box cover is arranged at the top of the storage box, through holes arranged along the circumferential direction are formed in the box cover, plugs are hinged in the through holes, and a long rod positioned right below the through holes is arranged in the storage box;
the poking wheel motor, the strain gauge, the material receiving cylinder, the lifting cylinder electromagnetic valve, the horizontal pushing cylinder electromagnetic valve, the rotating motor, the water pump electromagnetic valve, the swinging unit and the steam generator are in signal connection with the controller.
Furthermore, the swing unit comprises a swing motor fixed on the motor mounting plate, a swing wheel driven by the swing motor to rotate, a swing rod arranged on the swing wheel, and a telescopic rod connected with the swing rod in a sliding manner, wherein a round hole is formed in the telescopic rod, and a fixed shaft on the second pipe bracket is arranged in the round hole.
Furthermore, a fixed baffle and a movable baffle are arranged at the top of the distributor, and a buffer spring is arranged between the fixed baffle and the movable baffle.
Furthermore, an upper plate is hinged to the upper end of the transition plate, a lower plate is hinged to the lower end of the transition plate, torsion springs are respectively arranged between the upper plate and the transition plate and between the lower plate and the transition plate, the lower plate and the upper plate are positioned in the same plane under the action of the torsion springs; and the two sides of the bottom of the classifier are respectively provided with lightening holes, and the upper plate is arranged in the lightening holes.
Furthermore, the output end of the rotating motor is provided with a rotating wheel, the brush rod is provided with a guide rod which is connected with the rotating wheel in a sliding manner, and a jacking spring is arranged between the brush rod and the rotating wheel.
Furthermore, a lifting plate is arranged in the storage box, a vertical rod is arranged at the bottom of the lifting plate, a base is arranged at the bottom of the storage box, and a damping spring is arranged between the base and the lifting plate.
The method for cleaning the test tube by using the test tube cleaning machine comprises the following steps:
(1) the test tubes are placed in a collector in a centralized way, and the open ends of the test tubes are enabled to face in a consistent way;
(2) taking the test tubes one by one, measuring the tube diameters of the test tubes, and dividing the test tubes into two groups according to the measured numerical values;
(3) respectively carrying out brushing operation on the test tubes in each group;
(4) cleaning the test tube processed in the step (3);
(5) carrying out fumigation operation on the test tube processed in the step (4);
(6) and (5) collecting and storing the test tubes processed in the step (5).
The invention has the beneficial effects that: (1) the test tubes can be intensively placed and cleaned uniformly; (2) the pipe diameters of the test tubes can be measured, and the test tubes with different pipe diameters are respectively scrubbed by matching with corresponding brush rods; (3) the test tube is sequentially brushed, cleaned and fumigated, and the cleaning effect is good.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing;
FIG. 4 is a schematic view of the individual take-up assembly profile;
FIG. 5 is a schematic view of the internal structure of the take-by-take assembly;
FIG. 6 is a schematic view of a sorting assembly;
FIG. 7 is a schematic front view of the dispenser;
FIG. 8 is a schematic top view of the dispenser;
FIG. 9 is a schematic view of the sorter and conveyor assembly;
FIG. 10 is a schematic front view of a transition plate;
FIG. 11 is a partial view taken from the direction A of FIG. 10;
FIG. 12 is a schematic view of the upper plate being swung relative to the transition plate;
FIG. 13 is a schematic view of the lower plate as it swings relative to the transition plate;
FIG. 14 is a schematic view of the position of the distributor, transition plate and conveying mechanism before material distribution;
FIG. 15 is a schematic view of the position of the distributor, transition plate and conveying mechanism during the distribution process;
FIG. 16 is a side view of the first pipe bracket;
FIG. 17 is a schematic top view of a first pipe carrier;
FIG. 18 is a schematic view of the on-pole scrubbing, cleaning and fumigating mechanisms;
FIG. 19 is a schematic view of a brushing mechanism;
FIG. 20 is a schematic view of the installation of the water jet;
FIG. 21 is a schematic view of the installation of the vapor nozzle;
FIG. 22 is a side schematic view of the transfer assembly;
FIG. 23 is a schematic front view of a transfer assembly;
FIG. 24 is a schematic view of the assembly of the upper run, lower run and second pipe bracket;
FIG. 25 is a schematic view of the assembly of the swing link and the telescopic link;
FIG. 26 is a schematic view of a storage case;
FIG. 27 is a schematic view of the second tube holder with the test tube slid onto the long rod;
FIG. 28 is a schematic view of the test tube gradually dropping down as the second tube holder is inverted;
FIG. 29 is a schematic view of the test tubes entering the storage box;
FIG. 30 is a schematic view of a cleaning step according to the present invention;
FIG. 31 is a schematic view of a measurement assembly;
fig. 32 is a flow diagram of a brushing, cleaning and fumigating mechanism;
in the figure: 1 shell, 11 buffer pads, 12 test tubes, 13 water collecting tanks, 14 side doors, 2 collectors, 21 end covers, 22 thumb wheels, 221 first tube slots, 222 lugs, 23 fixed clamping blocks, 231 lower rolling surfaces, 232 fixed measuring surfaces, 24 guide rails, 25 movable clamping blocks, 251 movable measuring surfaces, 26 vertical plates, 261 cross bars, 27 measuring springs, 3 mounting rods, 31 outlets, 32 mounting cavities, 321 avoiding holes, 33 sliding blocks, 331 second tube slots, 34 material receiving cylinders, 341 fixed blocks, 342 synchronous connecting rods, 35 distributors, 351 fixed baffles, 352 movable baffles, 353 buffer springs, 354 material distributing surfaces, 355 lightening holes, 36 transition plates, 361 upper plates, 362 lower plates, 363 rotating shafts, 365 spring holes, long holes, 364 torsion springs, 4 conveying wheels, 41 conveying chains, 42 first tube holders, 421 upper baffles 422, side baffles, 5 lifting cylinders, 51 first supports, 511 reinforcing plates, 52 clamping plates, 53 horizontal pushing cylinders, 54 moving plates, 55 brushing motors, 56 rotating wheels, 561 rod grooves, 57 brush holders, 571 guide rods, 572 jacking springs, 58 brush rods, 581 bristles, 6 second supports, 61 water spray heads, 611 spray holes, 62 steam spray heads, 621 thin tubes, 63 water pumps, 64 water pipes, 65 steam generators, 66 steam pipes, 7 motor fixing plates, 71 upper slideways, 711 arc-shaped holes, 72 lower slideways, 73 second pipe holders, 731 bulges, 732 fixing shafts, 74 fixing rods, 75 swinging wheels, swinging rods, 76 telescopic rods, 751 round holes, 8 storage boxes, 81 box covers, 811 through holes, 812 plugs, 813 installation rings, 82 lifting plates, 821 vertical rods, 822 damping springs, 83 long rods, 84 bases, 841 blind holes and 9 turntables.
Detailed Description
As shown in fig. 1 to 31, the present invention mainly includes a housing 1, an individual taking assembly, a measuring assembly, a sorting assembly, a conveying mechanism, a brushing mechanism, a cleaning mechanism, a fumigating mechanism, a transferring assembly and a storage box 8, and the cleaning machine of the present invention will be described in detail with reference to the attached drawings.
As shown in fig. 1 and 2, the housing 1 is a metal member and constitutes a main body member of the present invention. As shown in fig. 3, the housing is a hollow structure, and other structures are installed in the inner cavity of the housing. The upper part of the inner cavity of the shell is provided with a material collector 2, as shown in fig. 4 and 5, the material collector is of a conical structure with a large upper part and a small lower part, the upper end and the lower end of the material collector are both open, when in use, the test tube is placed into the material collector, and the direction of the open end of the test tube is consistent. An end cap 21 is provided at the top of the collector, one end of which is hinged to the collector, so that the end cap can be lifted. A round thumb wheel 22 is arranged below the collector, the thumb wheel is rotatably arranged in the shell through a support lug 222, a first pipe groove 221 is arranged on the outer wall of the thumb wheel, and a cushion pad 11 is arranged on the inner wall of the first pipe groove. After the rotation along with the thumb wheel was worked as the loading head and was linked together with first tube seat, the test tube in the loading head can fall into first tube seat, and the blotter plays the guard action to the test tube this moment. The two side walls of the first pipe groove are in a non-parallel relation, and the extension lines of the two side walls meet at a point. The shell is internally provided with a thumb wheel motor for driving the thumb wheel to rotate, and each time the thumb wheel motor acts, the thumb wheel rotates for a circle, so that one test tube enters the first tube groove and rolls down from the first tube groove. The dial wheel and the dial wheel motor form an assembly for taking one by one.
The right side of the shifting wheel is provided with a fixed clamping block 23, the upper part of the fixed clamping block is provided with a lower rolling surface 231, and the test tube is separated from the shifting wheel and then rolls down along the lower rolling surface. The right flank of fixed clamp splice is fixed measuring face 232, be equipped with the installation pole 3 that links firmly with the casing in the below of thumb wheel, as shown in fig. 31, be fixed with guide rail 24 at the top of installation pole, slidable mounting has movable clamp splice 25 on the guide rail, the left flank of activity clamp splice is activity measuring face 251, be fixed with riser 26 at the guide rail top, be fixed with horizontal pole 261 on the riser, it has measuring spring 27 to overlap at the horizontal pole outside, measuring spring's left end links firmly with movable clamp splice, the right-hand member links firmly with the riser. The fixed measuring surface and the movable measuring surface are matched to clamp the test tube under the action of the measuring spring. The measuring spring is provided with a strain gauge for measuring the compression amount of the spring, and the strain gauge is connected with the controller. The deformation of the measuring spring is zero in a natural state, and the distance between the fixed measuring surface and the movable measuring surface is smaller than the diameter of the minimum test tube. The fixed clamping block, the movable clamping block, the measuring spring, the guide rail, the vertical plate and the strain gauge form a measuring assembly.
The lower part of the measuring assembly and the inside of the mounting rod are provided with a classification assembly, the classification assembly comprises a sliding block 33, a material receiving cylinder 34, a fixed block 341, a synchronous connecting rod 342, a distributor 35, a fixed baffle 351, a movable baffle 352 and a buffer spring 353, as shown in fig. 6, the top of the measuring assembly 3 is provided with a mounting cavity 32, the sliding block 33 is arranged on the inner side of the mounting cavity in a sliding manner, the top of the sliding block is provided with a pair of second pipe grooves 331 which are arranged left and right, the lower part of each second pipe groove is provided with a buffer cushion 11, the buffer cushion is tightly attached to the inner wall of each second pipe groove, the buffer cushion is obliquely arranged, the rear end is high. Another buffer pad 11 is embedded in the top of the slide block between the two second tube slots, and the buffer pad protects the test tube rolled down from the lower rolling surface. A fixed block 341 is fixed on the left side wall of the slider, a material receiving cylinder 34 is arranged between the fixed block and the inner wall of the mounting rod, the left second pipe groove can be arranged below the fixed measuring surface and the movable measuring surface when the material receiving cylinder orders the piston rod to extend out, and the right second pipe groove can be arranged below the fixed measuring surface and the movable measuring surface when the material receiving cylinder orders the piston rod to retract. A synchronous connecting rod 342 is fixed on the fixed block, and an avoiding hole 321 which is communicated with the installation cavity and avoids the synchronous connecting rod is arranged at the bottom of the installation rod. An outlet 31 is arranged on the front side wall of the mounting rod, and the outlet is positioned on the extension line of the second pipe groove and is connected with the second pipe groove. The distributor 35 is arranged at the front side of the mounting rod, as shown in fig. 7 and 8, the distributor is of a block structure, the middle of the top of the distributor is high, the two ends of the distributor are low, the two ends of the distributor are respectively provided with an inclined distributing surface 354, and the two distributing surfaces are symmetrically arranged. A fixed baffle 351 is fixed at the top of the distributor, a movable baffle 352 is arranged at the rear side of the fixed baffle, a buffer spring 353 is arranged between the fixed baffle and the movable baffle, and the bottom surfaces of the movable baffle and the fixed baffle have the same shape as the top of the distributor. The test tube falls on the tripper after the export falls down, and adjustable fender's setting plays the effect of buffering to the test tube, and the tripper top sets up the blotter to avoid colliding with the damage of test tube. The distributor is fixedly connected with the synchronous connecting rod and moves synchronously with the sliding block. The strain gauge senses and measures the compression amount of the spring and feeds the compression amount back to the controller, and the controller is in signal connection with an electromagnetic valve of the material receiving cylinder; as shown in FIG. 14, the test tube with the measured diameter is positioned directly above the highest point of the dispenser.
If the spring compression that obtains of measurement is greater than a certain definite value, judge for big test tube, the controller control connects the material cylinder piston rod to stretch out, as shown in fig. 15, make the slider move to the right and after left second tube seat is located the test tube below of having surveyed the diameter, the test tube falls in left second tube seat, and meanwhile the tripper moves to the right, and the left branch material face of tripper removes to the below of having surveyed diameter test tube 12, and this test tube passes through the second tube seat in proper order, the export falls on left branch material face, then rolls to left below. If the measured spring compression is smaller than the fixed value, the test tube is judged to be a small test tube, the controller controls the piston rod of the material receiving cylinder to retract, the sliding block moves to the left until the second tube groove on the right side is located below the tested diameter test tube, the test tube falls in the second tube groove on the right side, meanwhile, the distributor moves to the left, the distributing surface on the right side of the distributor moves to the lower side of the tested diameter test tube 12, the test tube sequentially passes through the second tube groove and the distributing surface on the right side in an outlet mode, and then rolls to the lower right side. The big test tube and the small test tube roll in different directions after falling on the distributor and are respectively subjected to subsequent processing.
The left side and the right side of the distributor are respectively provided with a conveying mechanism, a transition plate 36 is arranged between the conveying mechanism and the distributor, the transition plates on the two sides are symmetrically arranged, as shown in fig. 10 and 11, the transition plates are flat plates which are obliquely arranged and fixed on the inner wall of the shell, the upper end of the transition plate is hinged with an upper plate 361 through a rotating shaft 363, the lower end of the transition plate is hinged with a lower plate 362 through a rotating shaft, the upper end and the lower end of the transition plate are respectively provided with a torsion spring hole 364, the upper plate and the lower plate are provided with a long hole 365 communicated with the torsion spring hole, the transition plate is also provided with a long hole 365 communicated with the torsion spring hole on itself, a torsion spring 366 is arranged in the torsion spring hole, and the two ends of the torsion spring are arranged between the transition plate and the upper plate and in the corresponding long holes. Under the natural state, the lower plate, the transition plate and the upper plate are arranged in a coplanar manner. Weight-reducing holes 355 are respectively formed at both sides of the bottom of the distributor, and as shown in fig. 14, the upper plate is naturally placed in the weight-reducing holes. When the distributor moves to the right as shown in fig. 15, the hole wall of the lightening hole presses the upper plate on the left side, and the upper plate swings clockwise as shown in fig. 12. Similarly, when the distributor moves leftwards, the hole wall of the lightening hole extrudes the upper plate on the right side, and the upper plate swings anticlockwise. The swing of the upper plate is used for avoiding the distributor, the height of the transition plate can be adjusted downwards to avoid the distributor, and the fall between the distributor and the transition plate is large, so that the test tube is easy to damage.
As shown in fig. 9, the conveying mechanism includes conveying wheels 4, a conveying chain 41, and first pipe holders 42, the conveying chain 41 is provided between the pair of conveying wheels, and the first pipe holders 42 are provided evenly on the conveying chain. As shown in fig. 16 and 17, the first pipe support 42 has a strip-shaped structure and a U-shaped cross section, a side baffle 422 is disposed on one side of the first pipe support, an upper baffle 421 is disposed on the top of the first pipe support, and cushions are disposed on the inner side of the first pipe support, the upper baffle and the side baffle. The left side feed mechanism operates to move the first pipe bracket counterclockwise as shown in fig. 13, and when the upper baffle contacts the lower plate, the upper baffle can drive the lower plate to swing clockwise until the upper baffle passes over the lower plate.
As shown in fig. 18, a brushing mechanism, a cleaning mechanism and a fumigating mechanism are arranged on both sides of the mounting rod, and the brushing mechanism, the cleaning mechanism and the fumigating mechanism are arranged in sequence along the conveying direction of the test tube. As shown in fig. 18, three lifting cylinders 5 are provided on both left and right sides of the mounting rod, and as shown in fig. 19, a first bracket 51 is fixed to a piston rod of the inner lifting cylinder, a reinforcing plate 511 is fixed to the bottom of the first bracket, a circular arc-shaped clamping plate 52 is fixed to the reinforcing plate, and the middle of the clamping plate is fixedly connected to the reinforcing plate, so that both ends of the clamping plate can be bent and deformed. Splint and first conduit saddle combined action realize the centre gripping to the test tube. When the test tube was arranged in the second conduit saddle, the test tube slope set up and the opening end of test tube is the low side.
A horizontal pushing cylinder 53 is fixed on the first support inside, a moving plate 54 is fixed on the piston rod of the horizontal pushing cylinder, a brushing motor 55 is fixed on the lower part of the moving plate, a rotating wheel 56 is fixed on the output end of the brushing motor, as shown in fig. 19, a rod groove 561 is arranged on the rotating wheel, a guide rod 571 is slidably mounted in the rod groove, a plurality of guide rods are fixedly connected with corresponding brush handles, a jacking spring 572 is arranged between the rotating wheel and the brush handles, a brush rod 58 is fixed on the brush handles, and bristles 581 are arranged on the brush rods. When the test tube needs to be scrubbed, firstly, when a first pipe bracket loaded with the test tube is positioned below the horizontal pushing cylinder, the lifting cylinder enables the clamping plate to be matched with the first pipe bracket to clamp and fix the test tube; then the horizontal pushing cylinder acts to enable the brush rod to be arranged on the inner side of the test tube; and finally, driving the rotating motor to act, wherein the rotating motor drives the brush rod to rotate at the moment so as to brush the inner wall of the test tube. The setting of the tight spring in top can guarantee that the montant stretches into the bottom of test tube, avoids scrubbing the existence at dead angle. The lifting cylinder, the first bracket, the clamping plate, the horizontal pushing cylinder, the moving plate, the brushing motor, the rotating wheel and the brush rod form a brushing mechanism. The lengths of the bristles in the two brushing mechanisms are different.
Be fixed with second support 6 on the first support that is located the centre at the left end (or the right-hand member) of installation pole, be equipped with water shower nozzle 61 in the lower part of second support, be equipped with orifice 611 on the water shower nozzle, the setting up of water shower nozzle makes through water shower nozzle spun water be the round platform shape, and water shower nozzle spun rivers contact with the test tube inner wall, realize the washing to the test tube then.
The second support 6 is fixed on the first support at the outermost side of the left end (or right end) of the installation rod, the steam spray nozzle 62 is fixed on the second support, the thin tube 621 is arranged on the steam spray nozzle, and the arrangement of the thin tube can enable steam to be discharged through the thin tube and increase the speed of the steam during discharge. After the steam enters the test tube, the steam is condensed into water drops on the inner wall of the test tube due to the temperature reduction and then converged into water flow. The high-temperature steam sprayed by the steam spray head is used for cleaning the inner wall of the test tube again and has the sterilization effect. In order to facilitate the water transportation, a water pump 63 is arranged at the lower part of the mounting rod, a water pipe 64 is arranged between the water pump and the water spray head, so that tap water is pumped by the water pump and sent to the water spray head, a water tank can be arranged in the shell, and the water inlet end of the water pump pumps water in the water tank. A steam generator 65 is also provided at the bottom of the mounting bar, and a steam pipe 66 is provided between the steam generator and the steam nozzle. After the water pump is electrified, water in the water tank can be pumped and sprayed into the test tube through the water spray head. After the steam generator is electrified, steam can be generated, and the steam is sprayed out through the steam spray head. The steam generator is prior art and will not be described in detail herein. The lifting cylinder, the first support, the clamping plate, the second support, the water spray head and the water pump form a cleaning mechanism, and the lifting cylinder, the first support, the clamping plate, the second support, the steam spray head and the steam generator form a fumigating mechanism. The test tube slope sets up in first conduit saddle, is favorable to wasing and the outflow of stifling back water. Still be equipped with photoelectric sensor in each lift cylinder position department for detect the test tube. As shown in fig. 31, when the test tube is located below the lifting cylinder, the photoelectric sensor can detect the test tube, the photoelectric sensor is in signal connection with the controller, and the controller is in signal connection with the lifting cylinder, the horizontal pushing cylinder, the rotating motor, the water pump and the steam generator to control the actions of the lifting cylinder, the horizontal pushing cylinder, the rotating motor, the water pump and the steam generator. When photoelectric sensor detected the test tube, the controller control lift cylinder piston rod stretches out, the flat push cylinder piston rod stretches out, rotating electrical machines output rotary motion, water pump work, steam generator work, scrub, wash and stifling to the test tube respectively, and after certain delay, rotating electrical machines stop work, the flat push cylinder piston rod withdrawal, the lift cylinder piston rod withdrawal, water pump stop work, steam generator stop work, lift cylinder, the flat push cylinder, rotating electrical machines, water pump and steam generator get back to initial condition.
The conveying mechanism conveys the test tubes after receiving the test tubes, the test tubes are respectively scrubbed, cleaned and fumigated in the conveying process, and a transfer assembly is arranged at the conveying tail end, as shown in fig. 22 to 25, and the transfer assembly mainly comprises a motor fixing plate 7, an upper sliding rail 71, a lower sliding rail 72, a second pipe bracket 73, a fixing rod 74, a swinging wheel, a swinging rod and a telescopic rod. The motor fixing plate 7 is fixed in the shell, an upper sliding way 71 and a lower sliding way 72 which are arranged up and down are fixed on the motor fixing plate, the upper sliding way and the lower sliding way are both arc-shaped and are connected together through a fixing rod, arc-shaped holes 711 are arranged on the upper sliding way and the lower sliding way, a second pipe bracket 73 is arranged on one side of the upper sliding way and one side of the lower sliding way which deviate from the motor fixing plate, two protrusions 731 are arranged on the second pipe bracket, and the two protrusions are arranged in the upper sliding way and the lower sliding way respectively to enable the second pipe bracket to be connected with the upper sliding way. The swing motor is arranged on the motor fixing plate, the output end of the swing motor is provided with a swing wheel 75, a swing rod 751 is fixed on the swing wheel, a telescopic rod 752 is slidably mounted in the swing rod, a round hole 761 is formed in the telescopic rod, and a fixed shaft 732 is fixed on the second pipe bracket and is arranged in the round hole. When the swinging wheel rotates, the second pipe bracket can be driven to move along the arc-shaped hole, and the included angle between the second pipe bracket and the horizontal plane is gradually increased.
A storage box 8 is arranged below each transfer assembly, the storage boxes are placed on a rotary table 9, the rotary table is rotatably installed in a shell, teeth are arranged on the circular outer wall of the rotary table, a rotary table motor for driving the rotary table to rotate is arranged in the shell, and a gear meshed with the rotary table is arranged at the output end of the rotary table motor. The storage box is a cylindrical structure, and as shown in fig. 26, a box cover 81 is arranged at the top of the storage box, and a mounting ring 813 connected with the storage box in a threaded manner is arranged on the box cover. The box cover is provided with a plurality of through holes 811 on the same circumference, and a plug 812 is hinged in each through hole, i.e. the plug can rotate in the through hole. Be equipped with lifter plate 82 in storing the box, be equipped with a plurality of stock 83 at the top of lifter plate, a plurality of stock and through-hole one-to-one, the stock is the rubber pole, is equipped with montant 821 in the bottom of lifter plate, is equipped with the base 84 of fixing in the storage box bottom in the below of montant, the lower part of montant stretch into the blind hole 841 on the base and with base sliding connection, be equipped with damping spring 822 between base and lifter plate. The extension line of the second pipe support passes through the through hole, the test tube on the second pipe support can slide downwards along the second pipe support, passes through the through hole, pushes away the plug, enters the storage box and is inserted on the long rod, as shown in fig. 27, and then drives the swinging wheel to rotate, as shown in fig. 28, the test tube can be driven to gradually tend to the vertical state, and when the test tube approaches the vertical state, as shown in fig. 29, the test tube can completely slide into the storage box, so that temporary storage can be realized. The angle of the rotating disc is 360 degrees divided by the number of the through holes when the rotating disc rotates once.
Side doors 14 are respectively provided on the left and right sides of the case to facilitate taking of the storage case. A water collection trough 13 is provided between the two storage boxes for collecting the dirt and water after the test tubes are scrubbed, cleaned and fumigated.
As shown in fig. 30, the method for washing test tubes by using the test tube washing machine of the present invention comprises the following steps:
(7) the test tubes are placed in a collector in a centralized way, and the open ends of the test tubes are enabled to face in a consistent way;
(8) taking the test tubes one by one, measuring the tube diameters of the test tubes, and dividing the test tubes into two groups according to the measured numerical values;
(9) respectively carrying out brushing operation on the test tubes in each group;
(10) cleaning the test tube processed in the step (3);
(11) carrying out fumigation operation on the test tube processed in the step (4);
(12) and (5) collecting and storing the test tubes processed in the step (5).