CN110937416A

CN110937416A - A unordered loading attachment for test tube

Info

Publication number: CN110937416A
Application number: CN201911022915.1A
Authority: CN
Inventors: 李元林; 白晓亮; 汪博; 狄英杰; 史校
Original assignee: Deary Medical Technology Co Ltd
Current assignee: Deary Medical Technology Co Ltd; Dirui Medical Technology Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-03-31
Anticipated expiration: 2039-10-25
Also published as: CN110937416B

Abstract

The invention discloses a disordered feeding device for test tubes, relates to the technical field of automatic equipment in medical biochemistry and chemical laboratories, and aims to solve the technical problems that the disordered feeding device for test tubes in the prior art is complex in working principle, multiple in parts, and unsmooth in operation between the parts and a detection instrument, so that the efficiency is low and the fault is high. The device comprises the following components, a hopper is used for collecting test tubes in a first placing state; the feeding mechanism is used for providing a feeding track capable of circularly moving towards a preset direction, and the feeding mechanism can carry test tubes collected by the hopper and in a first placing state; the diversion mechanism is arranged at a high point position on a path of movement of the feeding track, and when the diversion mechanism is at the high point position, the diversion mechanism converts the test tube which passes through the diversion mechanism and is in the first placing state into the test tube in the second placing state through a conversion action so as to convey the test tube which is in the second placing state with the bottle body in a vertical posture to a downstream procedure.

Description

A unordered loading attachment for test tube

Technical Field

The invention relates to the technical field of medical biochemistry and chemical laboratory automation equipment, in particular to a disordered feeding device for test tubes.

Background

In the current trend, with the rapid development of medical biochemistry and chemical laboratory automation equipment technology, the automated chemical analyzer is widely applied to clinical chemical sampling and analysis, the degree of the automation system of the medical laboratory is also rapidly developed, more and more manual operations and semi-automatic equipment are gradually replaced by the automation system, and workers have heavy and repeated physical labor and are converted into accurate and efficient mental labor.

In the current mode, specifically, the unordered test tube automation system is taken as an example: the first mode involves feeding a large batch of unordered test tubes with caps into a laboratory automated inspection system; the second mode relates to the laboratory automation system pretreatment, and test tubes which are unordered in batches are independently discharged and loaded to a pretreatment conveying device for subsequent treatment. Both of the above two methods need to convert a large number of test tubes with covers into ordered test tubes through the conversion of the device, and the ordered test tubes enter the laboratory automatic detection system for processing.

Therefore, the prior art still needs to be improved and developed. Specifically, the following two patent publications are exemplified:

first, the chinese patent, patent No. CN02804637.4, is entitled "bulk container conveyor". In this embodiment, a device for transporting containers to an analyzer is described. The container wadding apparatus has a frame structure, a container hopper and an elevator chain for supporting the frame structure, the elevator chain having drive sprockets for driving scoopers which are to carry containers for transport from the hopper to a sorting and positioning mechanism. The sorting and positioning mechanism has two actuated push rods for pushing the containers out of the scooper into one of the guides and simultaneously sorting and positioning the containers so that they both start with their closed ends when entering the guide. The guide is directed to an escapement for dispensing one container at a time to the analyzer. The scheme has the following defects: in the scheme, the lifting chain and the driving chain wheel drive the container to be transported to a bucket elevator of a sorting and positioning mechanism from the hopper, hard friction exists between the mechanism and the transported container, the lifting chain adopts a chain design principle, the lifting chain is the fastest moving frequency mechanism of the device, moving parts are severe in aging, chips can fall off and are stuck, and the device is not easy to overhaul.

Second, chinese patent No. CN200980102927.3 entitled "apparatus for loading biological material containers in a transport system". This solution describes a device for loading test tubes in transport means for automatic conveyors of test tubes, for supplementing the test tubes with means for positioning the test tubes, positioning the test tubes by means of two parallel spaced walls which can move up and down to transport the test tubes above the module for preparation and analysis. The scheme has the following defects: the equipment used to load the biomaterial containers in the delivery system is slow to load and there are preparation pieces waiting to load the biomaterial containers, making the overall module less efficient in operation.

Based on the aforesaid, unordered material loading of test tube can all be realized to above-mentioned two modes, but the device theory of operation of above-mentioned two modes is complicated, and the part is many, and moves between part and the detecting instrument not smooth, not only inefficiency, the fault height moreover.

Disclosure of Invention

The invention provides a disordered feeding device for test tubes, which aims to solve the technical problems that the working principle of the disordered feeding device for test tubes in the prior art is complex, a plurality of components are provided, and the components and a detection instrument run unsmoothly, so that the efficiency is low and the fault is high.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a unordered loading attachment for test tube includes:

a hopper for collecting the test tubes in a first placement state;

the feeding mechanism is used for providing a feeding track which can circularly move towards a preset direction, and the feeding mechanism can carry the test tubes which are collected by the hopper and are in a first placing state;

the test tube in the first placing state can move to the preset direction along the feeding track;

the bottle body of the test tube in the first placing state is in a horizontal posture, and when the test tube is seen from one side, one end of the test tube is a bottle bottom, and the other end of the test tube is a colored test tube cap; or

One end of the bottle body is provided with a colored test tube cap, and the other end is provided with a bottle bottom;

the direction changing mechanism is arranged at a high point position on a path of the feeding track, and when the test tube in the first placing state moves to the preset direction along the feeding track, the test tube in the first placing state can pass through the high point position;

when the test tube is positioned at the high position, the direction changing mechanism changes the test tube which passes through the direction changing mechanism and is in the first placing state into the test tube in the second placing state through a changing action so as to convey the test tube in the second placing state to a downstream process;

the bottle body of the test tube in the second placing state is in a vertical posture, the lower end of the test tube is a bottle bottom, and the upper end of the test tube is a colored test tube cap when the test tube is seen from one side.

Further, the direction-changing mechanism performs the changing action by integrating the following mechanisms or components, including:

the first detection assembly is used for detecting that when a test tube in the first placement state passes through the direction changing mechanism, the test tube drives the feeding mechanism to stop providing the feeding track capable of circularly moving;

the push plate mechanism is used for separating the test tube in the first placing state from the feeding mechanism when the feeding mechanism stops providing the feeding track capable of circularly moving;

the turnover mechanism is used for bearing or partially bearing the test tube in the first placing state when the test tube in the first placing state is separated from the feeding mechanism, and the turnover assembly can turn over the test tube in the first placing state through a turnover action; and

the second detection assembly is used for detecting the position of the test tube in the first placing state when the test tube is borne or partially borne in the overturning assembly, and determining the time for driving the overturning assembly to overturn based on the position, so that the test tube in the first placing state is overturned to be the test tube in the second placing state.

Further, wherein, the feed mechanism includes:

a case main body;

the transmission mechanism is arranged on the machine shell main body and is arranged along the height direction of the machine shell main body, the feeding track is formed when the transmission mechanism works, and the transmission mechanism moves anticlockwise when viewed from one side;

a plurality of gripping mechanisms for gripping the test tubes in the first placement state;

the plurality of gripper mechanisms are arranged on the conveying mechanism at intervals, and partially protrude out of one side of the machine shell main body;

one side of the hopper is provided with a communicating part;

one end of the communicating part is communicated with the hopper, and the other end cover of the communicating part is arranged on one side of the machine shell main body, which is provided with the grabbing mechanism protruding out;

the part of the grabbing mechanism protruding out of the machine shell main body is positioned in the communicating part, so that when the transmission mechanism moves anticlockwise, the grabbing mechanism stirs the test tube in the first placing state in the communicating part and increases the probability that the grabbing mechanism grabs the test tube in the first placing state; and

and the driving mechanism is arranged on the machine shell main body and used for driving the conveying mechanism to work.

Further, wherein the cabinet main body includes:

a first housing;

a second housing formed to extend at one side below the first housing;

wherein the drive mechanism comprises:

a first motor provided along a width direction of the second housing;

the first end of the synchronous toothed belt is in transmission connection with the first end of the motor;

the second end of the synchronous cog belt is in transmission connection with the synchronous belt wheel;

a driving wheel shaft rotatably arranged along the width direction of the first shell;

one end of the driving wheel shaft is fixedly connected with the synchronous belt wheel;

the first motor and the driving wheel shaft are oppositely arranged in the same horizontal direction;

wherein the transfer mechanism comprises:

one group of chain wheels penetrates through and is fixed on the driving wheel shaft, and the other group of chain wheels penetrates through a driven wheel shaft;

the revolute pair moving axle is rotatably arranged in the width direction of the first shell;

the auxiliary moving wheel shaft is positioned above the driving wheel shaft, and the driving wheel shaft and the auxiliary moving wheel shaft are positioned in the same vertical direction;

the chain is meshed with the two groups of chain wheels respectively, and the chain wheels are meshed on the inner periphery of the chain and form a runway shape;

wherein, snatch the mechanism and include:

the baffle piece is arranged on the periphery of the chain and continuously arranged along the width direction of the chain, and the baffle moves along with the rotation joint of the chain when moving;

the feeding claws are arranged on the baffle plates at intervals, and a group of feeding claws are arranged on the adjacent baffle plates of any two continuous baffle plates;

the feeding claw is in an arc plate shape and is arranged along the length direction of the baffle piece, and the arc opening directions of any one feeding claw are the same and face the circulating motion direction of the conveying mechanism;

wherein, any one of the material loading grab can grab one of the test tubes in the first placement state.

Further, the casing main body further comprises:

a backstop mechanism to brake the transport mechanism when the transport mechanism loses drive provided by the drive mechanism;

wherein, backstop mechanism includes:

one end of the auxiliary moving wheel shaft extends out of one end of the first shell and is fixedly connected with the ratchet wheel, and the ratchet arrangement direction of the ratchet wheel is opposite to the movement direction of the transmission mechanism;

a backstop located below the ratchet wheel to limit movement of the ratchet wheel when the ratchet wheel is stationary or rotating opposite to the direction of movement of the transmission mechanism; or

The backstop and the ratchet wheel are in intermittent contact when the ratchet wheel and the transmission mechanism are in the same moving direction; and

and the tensioning mechanisms are arranged at two ends of the driving wheel shaft and used for adjusting the tensioning force of the synchronous toothed belt.

Further, wherein, the deviator includes:

a housing, which is formed with a first chamber and a second chamber communicating with each other in sequence along a length direction thereof;

the test tube in the first placing state enters the first chamber when passing through the direction changing mechanism;

wherein, first detection element has first opto-coupler, first opto-coupler is fixed on the casing to be used for detecting whether have the entering first room be the test tube of first state of placing, in order to realize detecting and being control during the test tube of first state of placing actuating mechanism stop work.

Further, the pushing assembly includes:

the motor is arranged on the shell, and the input end of the motor is electrically connected with the first optocoupler;

a guide rail integrated within the housing and arranged along a length of the housing;

the push plate can move along the length direction of the guide rail and is used for pushing one end of the test tube in the first placing state;

a slide integrated within the housing and running along the length of the housing

The slideway and the guide rail form a first space therebetween;

the test tube in the first placing state enters the first chamber and then falls into the slide way;

the two groups of belt wheels are arranged adjacent to the guide rail, are positioned at one end and the other end of the guide rail and are in transmission connection with the output end of the motor and the adjacent group of belt wheels;

the two groups of belt wheels are in transmission connection through the belt;

one side of the belt, which is close to the guide rail, is fixedly connected with the push plate;

when the motor rotates, the push plate moves along the guide rail along with the belt so as to push the test tube in the first placing state from the first chamber to the second chamber; and

the third optocoupler is used for driving the motor to rotate reversely so that the push plate returns.

Further, the turnover mechanism includes:

the rocker is rotatably arranged along the length direction of the shell through a connecting shaft arranged in the width direction of the second chamber, and the rocker has a preset turning angle;

the warped plate has a horizontal position, and when the warped plate is in the horizontal position, the warped plate and the slide way form a pushing channel;

the rocker is provided with a turning position, a turning channel is formed below the second chamber, and when the rocker is positioned at the turning position, the rocker rotates clockwise so that part of the rocker is positioned in the turning channel;

the output end of the wane motor is rotationally connected with the connecting shaft and is used for driving the wane to turn to the turning position from the horizontal position;

the connecting shaft deviates from the gravity center of the wane and is positioned on one side of the wane, which is far away from the slide way;

further, wherein the second detection assembly comprises:

a bracket obliquely arranged on the housing;

a color sensor fixed on the bracket for recognizing that the second sheet is pushed

The test tube of the chamber in said first resting condition is pushed towards one end thereof;

a code wheel for recognizing a preset rotation angle of the rocker;

the second optocoupler is fixed on an optocoupler support, the optocoupler support is integrated on the shell and used for identifying one end, away from the slide way, of the rocker so as to identify that the test tube in the first placement state is in place and then drive the rocker motor to turn over;

when the color sensor identifies the colored test tube cap, the color sensor drives the rocker motor to keep the rocker in a horizontal state, so that all the test tubes in the first placement state are pushed onto the rocker;

the second optical coupler identifies the test tube in the first placing state and then drives the wane motor to turn over so as to turn over the test tube in the first placing state into the test tube in the second placing state; or

When the color sensor identifies that the bottle bottom is formed, the color sensor drives the rocker motor to enable the rocker to turn over immediately, so that the test tube in the first placing state is turned over into the test tube in the second placing state when the test tube in the first placing state is partially carried on the rocker.

And the coded disc drives the wane motor to turn the wane back to the horizontal position based on the preset rotating angle.

Further, the hopper still includes:

a storage hopper;

the partition plate is formed inside the storage hopper and is an inclined plane;

the observation window is embedded on the partition plate;

the material conveying opening is arranged at the bottom of the storage hopper, one end of the partition plate extends to the edge of the material conveying opening, and the material conveying opening is communicated with the communicating part;

the storage hopper is arranged on the support frame.

The invention has the following beneficial effects:

on the first hand, the device has the advantages that the overall structure of the device is simplified by arranging the hopper, the feeding mechanism and the direction changing mechanism, the operation is smooth, the reliability is high, the processing and the manufacturing are convenient, and the use cost of the device can be effectively reduced;

in the second aspect, the first detection assembly, the push plate mechanism, the turnover mechanism and the second detection assembly are reasonably arranged, so that the treatment efficiency of the disordered test tubes is high, the mechanism and the assemblies are tightly linked, the failure rate is low, and the disordered feeding of the test tubes of various specifications and types can be used;

in the third aspect, through the matching among the conveying mechanism, the communicating part, the baffle piece and the feeding claw, the probability of the feeding claw to grab the test tube is greatly increased, the grabbing process has beat feeling, and faults are not easy to generate;

in the fourth aspect, the hopper, the feeding mechanism and the feeding track provided by the feeding mechanism can be effectively matched to ensure the feeding process flow, and the counter-clockwise moving feeding track is matched to reduce the risk of falling and damage of the test tube;

in the fifth aspect, the turnover time of the rocker determines the reliability and the flow performance of the device, the color sensor can identify the colors of all wavelengths, the color matching ratio can be set more flexibly, and the using environment capacity is strong.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a random feeding device for test tubes according to the present invention;

FIG. 2 is a three-dimensional schematic view of the unordered loading device for test tubes of the present invention;

FIG. 3 is a front view of the direction changing mechanism of the present invention;

FIG. 4 is a right side view of the loading mechanism of the present invention;

FIG. 5 is a schematic view of the hopper communication portion of the present invention;

FIG. 6 is a schematic view of the main body of the housing of the present invention;

FIG. 7 is a schematic view of a transfer mechanism of the present invention;

FIG. 8 is a side view of the push plate mechanism of the present invention;

FIG. 9 is a side view of the canting mechanism of the present invention;

FIG. 10 is a schematic diagram of an embodiment of a canting mechanism according to the present invention;

FIG. 11 is a schematic diagram of another embodiment of a canting mechanism embodying the present invention;

FIG. 12 is a front view of the push plate mechanism of the present invention;

FIG. 13 is a schematic three-dimensional view of a hopper according to the present invention;

FIG. 14 is a schematic view of an embodiment of a tensioning mechanism according to the present invention;

fig. 15 is a schematic three-dimensional structure diagram of the feeding machine shell and the tensioning mechanism in the invention.

The reference numerals in the figures denote:

the device comprises a hopper 10, a feeding mechanism 20 and a direction changing mechanism 30;

a feeding track 201, a test tube A1 in a first placement state, and a test tube A2 in a second placement state;

a first detection component 310, a push plate mechanism 320, a turnover mechanism 330 and a second detection component 340;

a housing main body 210, a transfer mechanism 220, a gripping mechanism 230, a drive mechanism 240, and a communicating portion 160;

a first housing 211, a second housing 212, a first motor 213, a timing belt 214, a timing pulley 215, a driving axle 216, and a driven axle 217;

baffle 231, loading grab 232, chain 233 and chain wheel 234;

a non-return mechanism 260, a ratchet 261, a non-return piece 262 and a tension mechanism 270;

a housing 3100, a first chamber 3101, a second chamber 3102;

a motor 311, a guide rail 312, a push plate 313, a third optocoupler 314, a slideway 315, a belt wheel 316 and a belt 317;

a rocker 331, a connecting shaft 332, a rocker motor 333, a turning channel 334;

a bracket 321, a color sensor 322, a code wheel 335;

the storage hopper 110, the partition plate 120, the observation window 130, the material delivery port 140, and the support frame 150.

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.

It is to be understood that the expressions used in the description of the present invention to describe the positional relationship and orientation should be understood in conjunction with the accompanying drawings and should not be construed as unduly limiting the present invention.

The invention aims to provide a disordered feeding device for test tubes, which can be applied to medical biochemistry and chemical laboratories and has the advantages of simple structure, high automatic detection degree and reliable operation, so that the manufacturing cost of the feeding device is reduced, the complexity of the device is simplified, the failure rate is reduced, the operation efficiency of the feeding device is improved, and the smooth operation is ensured.

Specifically, the device's main function is after with unordered test tube material loading, the test tube that the transform was placed in order, in this application, unordered test tube specifically indicates the test tube A1 that is first state of placing, to fig. 1, fig. 4, fig. 10, fig. 11 show, no matter be seen in its arbitrary one side direction of looking at of test tube A1 that is first state of placing, be the test tube cap that one end is for having the colour, the other end is the bottle bottom, when two and above test tubes arrange on horizontal position, can understand that the test tube cap that has the colour is not equidirectional, a plurality of test tubes are unordered state, based on this, the device mainly is applied to and handles this type of test tube.

Please refer to fig. 1; a unordered loading attachment for test tube includes: a hopper 10 for collecting the test tubes a1 in the first placement state; a feeding mechanism 20 for providing a feeding track 201 capable of circularly moving in a predetermined direction, wherein the feeding mechanism 20 is capable of carrying test tubes a1 collected by the hopper 10 and in a first placement state; wherein, the test tube a1 in the first placement state can move along the feeding track 201 to a preset direction; the body of the test tube A1 in the first placement state is in a horizontal posture, and when viewed from one side, one end of the test tube A1 is a bottle bottom, and the other end of the test tube A1 is a colored test tube cap; or one end of the bottle body is provided with a colored test tube cap, and the other end of the bottle body is provided with a bottle bottom;

in an embodiment, in particular, the hopper 10 may be arranged to collect a plurality of test tubes a1 in the first placement state, and the function of the hopper 10 further includes dispersing the gravity generated by the plurality of test tubes, reducing the torque applied to the feeding mechanism 20 when it is driven by electric power. The feeding track 201 provided in the feeding mechanism 20 and moving in a cloud and back direction in a predetermined direction is loaded with the test tube a1 in the first placement state, so as to realize a smooth transportation movement function.

The direction changing mechanism 30 is arranged at a high position on a path on the moving path of the feeding track 201, and when the test tube a1 in the first placing state moves along the feeding track 201 to the preset direction, the test tube a1 in the first placing state can pass through the high position; at the high position, the direction changing mechanism 30 changes the test tube a1 passing through the direction changing mechanism and in the first placing state into the test tube a2 in the second placing state through a changing action, so as to convey the test tube a2 in the second placing state to the downstream process;

the direction changing mechanism 30 is arranged at a high position, and does not adopt a low point and a measuring point of the feeding track 201, so that the test tube A1 in the first placing state can be better received, and the stability is ensured;

the direction changing mechanism is used for changing the direction of disordered test tubes, namely the test tubes A1 in the first placement state, so that the unification of the directions of the test tubes is realized, and in the application, the effect of the same direction is expressed as the test tubes A2 in the second placement state;

wherein, the body of the test tube A2 of second state of placing is vertical gesture, looks at in the side direction of looking, and its lower extreme is the bottle bottom, and the upper end is the test tube cap that has the colour.

Specifically, through the change action of the direction changing mechanism 30, which includes pushing, judging and changing direction to achieve the above purpose, based on the above, the device can achieve the technical effects of simple structure, high automatic detection degree and reliable operation.

Further, referring to fig. 3, the direction changing mechanism 30 performs a changing action by integrating the following mechanisms or components, including: the first detection assembly 310 is used for detecting that a test tube A1 in the first placement state drives the feeding mechanism 20 to stop providing the feeding track 201 capable of circularly moving when passing through the direction changing mechanism 30; a push plate mechanism 320 for separating the test tube a1 in the first placement state from the feeding mechanism 20 when the feeding mechanism 20 stops providing the feeding trajectory 201 capable of circulating motion; the turnover mechanism 330 is configured to carry or partially carry the test tube a1 in the first placement state when the test tube a1 in the first placement state is detached from the feeding mechanism 20, and the turnover assembly 330 can turn over the test tube a1 in the first placement state through a turnover action; and a second detecting assembly 340 for detecting the position of the test tube a1 in the first placement state when being carried or partially carried by the inverting assembly 330, and determining the timing for driving the inverting assembly 330 to invert based on the position, so as to realize that the test tube a1 in the first placement state is inverted into the test tube a2 in the second placement state.

It can be understood that, when the pushing-out action is performed, a pre-determination process is provided, which is implemented by the first detection component 310, and particularly, the test tubes a1 in the first placement state need to determine whether to pass through the direction changing mechanism 30 one by one, so that the work of the feeding mechanism 20 needs to be stopped to obtain the technical effect of suspending the feeding of the test tubes, which is convenient for performing the pushing action and ensures the smoothness of the operation of the device;

the push plate mechanism 320, when the feeding mechanism 20 stops, the push plate mechanism 320 acts to separate the test tube a1 in the first placement state from the feeding mechanism 20, and even if pushing is performed, the feeding can be understood to be completed at this time;

the turnover mechanism 330 receives the test tube a1 in the first placement state from the push plate mechanism 320, and at this time, the test tube is made to be the disorder condition of the test tube described in this application, and the turnover mechanism 330 can carry or partially carry the test tube a1 in the first placement state, because in the two carrying manners, the effect of turnover performed by the turnover mechanism 330 is different, which can be understood as a time of turnover, as shown in fig. 10 and 11,

the second detecting assembly 340 detects the position of the test tube a1 in the first placement state when it is carried or partially carried by the turning assembly 330, so as to realize the function of judgment.

Consequently, first determine module 310, push pedal mechanism 320, tilting mechanism 330, second determine module 340 have realized the promotion of diversion mechanism 30, the upset, the function of judgement to linkage between subassembly and the mechanism, link up in order, when carrying out the transform action, it is efficient to have, and the mechanism sets up with the subassembly, the cooperation is reasonable, has increased the technical effect of the device operation smoothness nature, also can realize the unity of test tube direction simultaneously, be the test tube A2 that the state was placed to the second promptly.

In one embodiment, referring to fig. 4, the feeding mechanism 20 includes: a cabinet main body 210; a transmission mechanism 220, which is arranged on the machine shell main body 210 and is arranged along the height direction of the machine shell main body 210, wherein the transmission mechanism 220 forms a feeding track 201 when working, and the transmission mechanism 220 moves anticlockwise when seen from a side view direction;

a plurality of gripping mechanisms 230 for gripping the test tube a1 in the first placement state; a plurality of gripper mechanisms 230 are arranged on the conveying mechanism 220 at intervals, and partially protrude from one side of the casing main body 210;

one side of the hopper 10 has a communicating portion 160; one end of the communicating portion 160 communicates with the hopper 10, and the other end thereof is covered on the side of the main body 210 from which the catching mechanism 230 protrudes;

the portion of the grasping mechanism 230 protruding from the housing main body 210 is located in the communicating portion 160, so that when the transmission mechanism 220 moves counterclockwise, the grasping mechanism 230 agitates the test tube a1 in the first placement state in the communicating portion 160 and increases the probability that the grasping mechanism 230 grasps the test tube a1 in the first placement state; and a driving mechanism 240 disposed on the housing body 210 for driving the transmission mechanism 220 to work;

specifically, the above embodiment proposes the mechanism arrangement of the feeding mechanism 20, and how to provide the feeding track 201 with counterclockwise motion; referring to fig. 5, one side of the hopper 10 has a communicating portion 160, the protruding portion of the gripping mechanism 230 is located in the communicating portion 160, when the test tubes in the first placement state are collected in the communicating portion 160, the gripping mechanism can carry a plurality of test tubes, so as to achieve stirring of the test tubes, form a stable gripping rhythm, and have the technical effect of increasing the probability that the gripping mechanism 230 grips the test tubes in the first placement state during stirring.

Referring to fig. 6, the housing main body 210 includes: a first housing 211; a second housing 212 formed to extend at one side below the first housing 211; the main purpose is to arrange the driving mechanism 240 and the conveying mechanism 220 reasonably, and the main purpose is to simplify the structure of the equipment, and to facilitate disassembly and maintenance.

Wherein, the driving mechanism 240 includes: a first motor 213 provided along the width direction of the second housing 212; a synchronous cog belt 214, a first end of which is in transmission connection with a first end of a motor 213; the second end of the synchronous cog belt 214 is in transmission connection with the synchronous pulley 215; a driving axle 216 rotatably provided in the width direction of the first housing 211; one end of the driving wheel shaft 216 is fixedly connected with a synchronous belt wheel 215; the first motor 213 is disposed in the same horizontal direction opposite to the driving pulley shaft 216.

In one embodiment, referring to fig. 7, the transmission mechanism 220 includes: two sets of chain wheels 234, wherein one set of chain wheels 234 is arranged on the driving wheel shaft 216 in a penetrating way and fixed, and the other set of chain wheels 234 is arranged on the driven wheel shaft 217 in a penetrating way; the revolute pair wheel shaft 217 is rotatably provided in the width direction of the first housing 211; the auxiliary moving axle 217 is positioned above the driving axle 216, and the driving axle 216 and the auxiliary moving axle 217 are positioned in the same vertical direction; a chain 233 engaged with the two sets of sprockets 234, respectively, the sprockets 234 being engaged with the inner circumference of the chain 233 and forming a race track; specifically, one embodiment of the manner in which the transport mechanism 220 is disposed is presented.

Wherein, snatch mechanism 230 includes: a barrier member 231 provided on the outer circumference of the chain 233 and continuously arranged in the width direction of the chain 230, the barrier 231 moving as it is articulated with the rotation of the chain 233; the feeding claws 232 are arranged on the baffle plates 231 at intervals, and a group of feeding claws 232 are arranged on the adjacent baffle plates 231 of any two continuous baffle plates 231; the feeding claws 232 are arc-shaped plate-shaped, the feeding claws 232 are arranged along the length direction of the baffle piece 231, and the arc-shaped opening directions of any one feeding claw 232 are the same and face the circulating movement direction of the conveying mechanism 220; it can be understood that the aim at that baffle 231 set up is convenient for fixed material loading and is grabbed 232, and the material loading is grabbed 232 and is need keep certain interval, more is favorable to the material loading like this and grabs 232 and carry the test tube that is first state of placing, and the setting of the crooked direction of 232 is grabbed in the material loading of arc plate-shaped more is favorable to stirring and carrying, carries on the test tube that is first state of placing to further increase the probability that is the test tube material loading of first state of placing.

Any one of the loading grippers 232 can grip one test tube a1 in the first placement state, and specifically, an embodiment of how the test tube in the first placement state can be gripped in the transverse direction is provided.

Referring to fig. 6, the housing body 210 further includes: a backstop mechanism 260 for braking the transfer mechanism 220 when the transfer mechanism 220 loses the drive provided by the drive mechanism 240, which can achieve the effect that the transfer mechanism 220 is positioned by braking when the drive mechanism 240 stops, such as: in the case of a sudden end point, it is possible to prevent the transfer mechanism 220 from being turned over, and the test tube a1 in the first placement state from falling off the transfer mechanism 220.

Specifically, the backstop mechanism 260 includes: a ratchet 261, one end of the secondary wheel shaft 217 extends out of one end of the first shell 211 and is fixedly connected with the ratchet 261, and the ratchet arrangement direction of the ratchet 261 is opposite to the movement direction of the transmission mechanism 220; a check 262 located below the ratchet 261 to restrict movement of the ratchet 261 when the ratchet 261 is stationary or rotated opposite to its direction of movement of the transmission mechanism 220; or

The backstop 262 and the ratchet 261 are intermittently in contact when the ratchet 261 and the transmission mechanism 220 are moving in the same direction; in addition, the backstop mechanism 260 also needs to have the technical effect that the normal movement direction of the transmission mechanism 220 cannot be influenced when the transmission mechanism 220 works normally, and is realized by the ratchet 261 and the backstop 262.

Referring to fig. 6, 14 and 15, and the tightening mechanisms 270 disposed at two ends of the driving wheel shaft 216 for adjusting the tightening force of the synchronous toothed belt 214, the tightening mechanisms 270 mainly include tightening blocks, connecting plates, tightening nuts and tightening screws.

Referring to fig. 3, the direction changing mechanism 30 includes: a housing 3100 in which a first chamber 3101 and a second chamber 3102 communicating with each other are formed in this order along a longitudinal direction thereof; the test tube a1 in the first placement state enters the first chamber 3101 while passing through the direction changing mechanism; wherein, the first detecting component 310 has a first optical coupler 318, and the first optical coupler 318 is fixed on the housing 3100, and is used for detecting whether there is the test tube a1 in the first placing state entering the first chamber 3101, so as to control the driving mechanism 240 to stop working when detecting the test tube a1 in the first placing state.

In one embodiment, referring to fig. 8 and 12, the pushing assembly 320 includes: the motor 311 is arranged on the shell 3100, and the input end of the motor is electrically connected with the first optocoupler; a guide rail 312 integrated within the housing 3100 and arranged along a length of the housing 3100; a push plate 313 movable in the longitudinal direction of the guide rail 312 to push one end of the test tube a1 in the first placement state; a slideway 315 integrated within the housing 3100 and arranged along a length of the housing 3100, the slideway 315 and the rail 312 forming a first space therebetween; the test tube a1 in the first placement state enters the first chamber and falls into the slide 315; two groups of belt wheels 316 which are both arranged adjacent to the guide rail 312, wherein the two groups of belt wheels 316 are positioned at one end and the other end of the guide rail 312 and are in transmission connection with the output end of the motor 311 and the adjacent group of belt wheels 316; the belt 317, the two groups of belt wheels 316 are in transmission connection through the belt 317; wherein, one side of the belt 317 close to the guide rail 312 is fixedly connected with the push plate 313; wherein, when the motor 311 rotates, the push plate 313 moves along the guide rail 312 along with the belt 317 to push the test tube a1 located in the first placement state from the first chamber to the second chamber; and a third optical coupler 314 for detecting the stroke of the movement of the push plate 313 along the guide rail 312 between the two groups of belt wheels 316, wherein the third optical coupler 314 is used for driving the motor 311 to rotate reversely so as to return the push plate 313. The main function of the pushing assembly 320 is to realize the movement of the test tube between the feeding mechanism 20 and the direction changing mechanism 30, this embodiment specifically proposes a specific structure and an arrangement mode of the pushing assembly 320, the belt 317, the belt wheel 316 and the motor 311 are used as a transmission mode, and the push plate 313 is fixed on the belt wheel 316, wherein the in-place driving motor 311 of the test tube a1 in the first placement state is operated according to the identification of the first optical coupler 318; the position third optical coupler 314 is used for driving the motor 311 to rotate reversely so as to return the push plate 313.

In one embodiment, referring to fig. 9, 10, 11, and 12, the turnover mechanism 330 includes: a rocker 331 rotatably disposed along a length direction of the housing 3100 by a connecting shaft 332 provided in a width direction of the second chamber, the rocker 331 having a predetermined turning angle; the rocker 331 has a horizontal position, and when the rocker 331 is in the horizontal position, it and the slideway 315 form a pushing channel; the rocker 331 has a turning position, a turning passage 334 is formed below the second chamber, and when the rocker 331 is located at the turning position, the rocker 331 rotates clockwise so that a part of the rocker 331 is located in the turning passage 334; a rocker motor 333, the output end of which is rotatably connected with the connecting shaft 332 and is used for driving the rocker 331 to rotate from the horizontal position to the turning position; wherein, the connecting shaft 332 deviates from the gravity center of the rocker 331 and is located at a side of the rocker 331 far away from the slideway 315; the turnover mechanism 330 is used for realizing that the test tube a1 in the first placement state can be turned into the test tube a1 in the first placement state, and mainly utilizes the turning of the rocker 331, so that when the test tube a1 in the first placement state moves onto the rocker 331, the turning time of the rocker 331 is different, and the effect of the rocker 331 after turning is different; for example, as shown in fig. 11, when the bottom of the bottle first reaches the rocker 331, it can be understood that the test tube a1 in the first placement state is partially carried on the rocker 331, and if the rocker 331 is turned clockwise as shown in fig. 11 at this time, the test tube a1 in the first placement state falls into the diversion passage 334, and is in a vertical state under the action of gravity, and the rocker 331 is also partially located in the diversion passage 334, it can be understood that the structure of the diversion passage 334 can be diversified, and according to the present application, at least the diversion passage 334 can accommodate the test tube a2 in the second placement state. For example, in a second mode, as shown in fig. 10, the colored cap is firstly carried on the rocker 331, so that the rocker 331 does not turn over, and is finally carried on the rocker 331 completely under the pushing of the pushing assembly 320, and then turns over again, that is, the bottom of the bottle is down, and finally the test tube a2 in the second placement state is located in the diversion channel 334, obviously, the diversion channel 334 also serves as an outlet of the diversion mechanism 30, and the test tube a2 in the second placement state is conveyed to a downstream process; as can be seen from the first and second modes, the basic principle of the direction change process of the test tube a1 in the first placement state is based on the difference of the rotation point of the test tube a1 in the first placement state, and the rotation point is located in the first mode and takes one end of the slide 315 as a rotation point; in the second embodiment, the connecting shaft 323 is used as the rotation point, and the timing of the rotation is determined by the second detecting element 340.

Based on the above embodiments, further, in order to determine the timing of the rotation of the rocker 331, a second detecting element 340 is designed, please refer to fig. 9, 10, 11, and 12, wherein the second detecting element 340 includes: a holder 321 obliquely disposed on the body 3100; a color sensor 322 fixed to the holder to recognize that the test tube a1 in the first placement state pushed to the second chamber is pushed to one end thereof; a code wheel 335 to recognize a preset rotation angle of the rocker 311; the second optical coupler 336 is fixed on an optical coupler bracket 337, the optical coupler bracket 337 is integrated on the housing 3100, and the second optical coupler is used for identifying one end of the rocker 331, which is far away from the slideway 315, so as to identify that the test tube a1 in the first placement state is in place and then drive the rocker motor 333 to turn over;

the specific working process is as follows:

when the color sensor 322 recognizes that the test tube cap is colored, it drives the paddle motor 333 to keep the paddle 331 in the horizontal state, so that the test tube a1 in the first placement state is all pushed onto the paddle 331;

the second optical coupler 336 recognizes the test tube a1 in the first placement state and then drives the rocker motor 333 to turn over, so as to turn over the test tube a1 in the first placement state into the test tube a2 in the second placement state; or

When the color sensor 322 recognizes the bottle bottom, it drives the paddle motor 333 to turn the paddle 331 over immediately to realize that the test tube a1 in the first placement state is partially carried on the paddle 331, and the test tube a1 in the first placement state is turned over to the test tube a2 in the second placement state.

Wherein, the code wheel 335 drives the rocker motor 333 to turn the rocker 331 back to the horizontal position based on the preset rotation angle.

The principle of the above process is based on the identification of the color of the test tube cap by the color sensor 322, that is, the color of the test tube cap mentioned in the application is provided with a plurality of colors, the color sensor has a plurality of wavelengths and can identify a plurality of colors, the obvious color of the bottle bottom is a transparent or uniform color, and the detection and identification principle can be realized after the color sensor 322 sets the color of the bottle bottom or the whole bottle body.

Referring to fig. 15, the hopper 10 further comprises: a storage hopper 110; a partition plate 120 formed inside the storage hopper 110 and having an inclined surface; a viewing window 130 embedded in the partition plate 120; the material conveying opening 140 is arranged at the bottom of the storage hopper 110, one end of the partition plate 120 extends to the edge of the material conveying opening 140, and the material conveying opening 140 is communicated with the communicating part 160; the support frame 150, storage hopper 110 installs on support frame 150. The observation window 130 is favorable for observing the internal motion state, so that the detection and the maintenance are convenient, and the material conveying port 140 is convenient for collecting the test tube A1 in the first placement state.

Through above-mentioned embodiment and implementation mode, the unordered loading attachment for test tube of this application has following technological effect:

in the third aspect, through the matching of the conveying mechanism, the communicating part, the baffle piece and the feeding claw, the probability of the feeding claw to grab the test tube is greatly increased, the grabbing process has beat feeling, faults are not easy to generate, and the working efficiency is high;

Based on the above, the test tube disordered feeding device can solve the technical problems that in the prior art, the working principle of the test tube disordered feeding device is complex, the number of parts is large, and the parts and a detection instrument are not smooth to run, so that the efficiency is low and the fault is high.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A unordered loading attachment for test tube, its characterized in that includes:

a hopper (10) for collecting test tubes (A1) in a first placement state;

the feeding mechanism (20) is used for providing a feeding track (201) which can move circularly in a preset direction, and the feeding mechanism (20) can carry test tubes (A1) which are collected by the hopper (10) and are in a first placing state;

wherein the test tube (A1) in the first placement state can move along the feeding trajectory (201) to the preset direction;

wherein, the body of the test tube (A1) in the first placing state is in a horizontal posture, and one end of the test tube is a bottle bottom and the other end is a test tube cap with color when viewed from one side; or

a direction changing mechanism (30) which is arranged at a high position on a moving path of the feeding track (201), and when the test tube (A1) in the first placing state moves to the preset direction along the feeding track (201), the test tube (A1) in the first placing state can pass through the high position;

when the test tube is at the high position, the direction changing mechanism (30) changes the test tube (A1) which passes through the direction changing mechanism and is in the first placing state into the test tube (A2) which is in the second placing state through a changing action so as to convey the test tube (A2) which is in the second placing state to a downstream process;

wherein, the body of the test tube (A2) of second state of placing is vertical gesture, looks at in a side direction, and its lower extreme is the bottle bottom, and the upper end is the test tube cap that has the colour.

2. Unordered loading device for test tubes according to claim 1, characterized in that said deviator (30) performs said transformation action by integrating the following mechanisms or assemblies, including:

the first detection assembly (310) is used for detecting that a test tube (A1) in the first placement state passes through the direction changing mechanism (30), and the test tube drives the feeding mechanism (20) to stop providing the feeding track (201) capable of circularly moving;

a push plate mechanism (320) for detaching the test tube (a1) in the first placement state from the feeding mechanism (20) when the feeding mechanism (20) stops providing the feeding trajectory (201) that can move cyclically;

a turnover mechanism (330) for carrying or partially carrying the test tube (a1) in the first resting state when the test tube (a1) in the first resting state is detached from the loading mechanism (20), and the turnover assembly (330) can turn over the test tube (a1) in the first resting state by a turnover action; and

the second detection assembly (340) is used for detecting the position of the test tube (A1) in the first placing state when being carried or partially carried on the overturning assembly (330), and determining the time for driving the overturning assembly (330) to overturn based on the position, so that the test tube (A1) in the first placing state is overturned into the test tube (A2) in the second placing state.

3. Unordered loading device for test tubes according to claim 2, wherein the loading mechanism (20) comprises:

a cabinet main body (210);

the conveying mechanism (220) is arranged on the machine shell main body (210) and is arranged along the height direction of the machine shell main body (210), the feeding track (201) is formed when the conveying mechanism (220) works, and the conveying mechanism (220) moves anticlockwise when viewed from one side;

a plurality of gripping mechanisms (230) for gripping the test tubes (A1) in the first placement state;

the plurality of gripper mechanisms (230) are arranged on the conveying mechanism (220) at intervals and partially protrude out of one side of the machine shell main body (210);

one side of the hopper (10) is provided with a communicating part (160);

one end of the communicating part (160) is communicated with the hopper (10), and the other end of the communicating part is covered on one side of the main case body (210) where the grabbing mechanism (230) protrudes;

the part of the gripping mechanism (230) protruding out of the cabinet main body (210) is positioned in the communication part (160), so that when the transmission mechanism (220) moves anticlockwise, the gripping mechanism (230) stirs the test tube (A1) in the first placing state in the communication part (160) and increases the probability that the gripping mechanism (230) grips the test tube (A1) in the first placing state; and

and the driving mechanism (240) is arranged on the machine shell main body (210) and is used for driving the transmission mechanism (220) to work.

4. The unordered loading device for test tubes according to claim 3, wherein the housing body (210) comprises:

a first housing (211);

a second housing (212) formed to extend on one side below the first housing (211);

wherein the drive mechanism (240) comprises:

a first motor (213) provided along a width direction of the second housing (212);

a synchronous toothed belt (214), the first end of which is in transmission connection with the first end of the motor (213);

a synchronous pulley (215), wherein the second end of the synchronous cog belt (214) is in transmission connection with the synchronous pulley (215);

a drive axle (216) rotatably provided in the width direction of the first housing (211);

one end of the driving wheel shaft (216) is fixedly connected with the synchronous pulley (215);

the first motor (213) and the driving wheel shaft (216) are oppositely arranged in the same horizontal direction;

wherein the transport mechanism (220) comprises:

two groups of chain wheels (234), wherein one group of chain wheels (234) is arranged on the driving wheel shaft (216) in a penetrating way and fixed, and the other group of chain wheels (234) is arranged on a driven wheel shaft (217) in a penetrating way;

the revolute pair wheel shaft (217) is rotatably arranged in the width direction of the first shell (211);

the auxiliary moving wheel shaft (217) is positioned above the driving wheel shaft (216), and the driving wheel shaft (216) and the auxiliary moving wheel shaft (217) are positioned in the same vertical direction;

a chain (233) which is engaged with the two sets of sprockets (234), respectively, wherein the sprockets (234) are engaged with the inner circumference of the chain (233) and form a track shape;

wherein the grasping mechanism (230) comprises:

a barrier member (231) provided on an outer periphery of the chain (233) and continuously arranged in a width direction of the chain (230), the barrier (231) moving as the chain (233) is articulated;

the feeding claws (232) are arranged on the baffle pieces (231) at intervals, and a group of feeding claws (232) are arranged on the baffle pieces (231) adjacent to any two continuous baffle pieces (231);

the feeding grabs (232) are arc-shaped plate-shaped, the feeding grabs (232) are arranged along the length direction of the baffle piece (231), and the arc-shaped opening directions of any one of the feeding grabs (232) are the same and face the circulating movement direction of the conveying mechanism (220);

wherein any one of the loading grippers (232) can grip one of the test tubes (A1) in the first placement state.

5. The unordered loading device for test tubes according to claim 4, wherein the housing body (210) further comprises:

a backstop mechanism (260) to brake the transport mechanism (220) when the transport mechanism (220) loses drive provided by the drive mechanism (240);

wherein the backstop mechanism (260) comprises:

a ratchet wheel (261), wherein one end of the secondary wheel shaft (217) extends out of one end of the first shell (211) and is fixedly connected with the ratchet wheel (261), and the ratchet arrangement direction of the ratchet wheel (261) is opposite to the movement direction of the transmission mechanism (220);

a check (262) located below the ratchet (261) to limit movement of the ratchet (261) when the ratchet (261) is stationary or rotating opposite to its direction of movement of the transmission mechanism (220); or

The backstop (262) and the ratchet (261) are intermittently contacted when the ratchet (261) and the transmission mechanism (220) are in the same moving direction; and

and the tensioning mechanisms (270) are arranged at two ends of the driving wheel shaft (216) and are used for adjusting the tensioning force of the synchronous toothed belt (214).

6. Unordered loading device for test tubes according to claim 3, wherein the direction-changing mechanism (30) comprises:

a housing (3100) in which a first chamber (3101) and a second chamber (3102) communicating with each other are formed in this order along the longitudinal direction thereof;

the test tube (a1) in the first placement state enters the first chamber (3101) when passing through the direction changing mechanism;

wherein the first detection assembly (310) is provided with a first optical coupler (318), the first optical coupler (318) is fixed on the housing (3100), and is used for detecting whether a test tube (A1) entering the first chamber (3101) in the first placement state exists or not, so that the drive mechanism (240) is controlled to stop working when the test tube (A1) in the first placement state is detected.

7. The unordered loading device for test tubes according to claim 6, characterized in that the pushing assembly (320) comprises:

the motor (311) is arranged on the shell (3100), and the input end of the motor is electrically connected with the first optical coupler;

-a guide rail (312) integrated within the housing (3100) and arranged along a length direction of the housing (3100);

a push plate (313) movable in the longitudinal direction of the guide rail (312) for pushing one end of the test tube (a1) in the first placement state;

a slideway (315) integrated within the housing (3100) and arranged along a length of the housing (3100), the slideway (315) and the rail (312) forming a first space therebetween;

two groups of belt wheels (316) are arranged adjacent to the guide rail (312), and the two groups of belt wheels (317) are positioned at one end and the other end of the guide rail (312) and are in transmission connection with the output end of the motor (311) and the adjacent group of belt wheels (316);

the two groups of belt wheels (316) are in transmission connection through the belt (317);

wherein one side of the belt (317) close to the guide rail (312) is fixedly connected with the push plate (313);

wherein, when the motor (311) rotates, the push plate (313) moves along the guide rail (312) with the belt (317) to push the test tube (a1) in the first placement state from the first chamber to the second chamber; and

and the third optical coupler (314) is used for detecting the stroke of the movement of the push plate (313) along the guide rail (312) between the two groups of belt wheels (316), and the third optical coupler (314) is used for driving the motor (311) to rotate reversely so as to enable the push plate (313) to return.

8. Unordered loading device for test tubes according to claim 7, characterized in that said overturning mechanism (330) comprises:

a rocker (331) rotatably disposed along a length direction of the housing (3100) by a connecting shaft (332) provided in a width direction of the second chamber, the rocker (331) having a predetermined turning angle;

the rocker (331) has a horizontal position, and when the rocker (331) is in the horizontal position, the rocker and the slideway (315) form a pushing channel;

the rocker (331) has a turning position, a turning channel (334) is formed below the second chamber, and when the rocker (331) is located at the turning position, the rocker (331) rotates clockwise so that part of the rocker is located in the turning channel (334);

the output end of the rocker motor (333) is rotationally connected with the connecting shaft (332) and is used for driving the rocker (331) to turn from the horizontal position to the turning position;

wherein the connecting shaft (332) deviates from the gravity center of the rocker (331) and is positioned on one side of the rocker (331) far away from the slide way (315).

9. Unordered loading device for test tubes according to claim 8, wherein the second detection assembly (340) comprises:

a bracket (321) provided obliquely on the housing (3100);

a color sensor (322) fixed to the holder to recognize that the test tube (a1) in the first placement state pushed to the second chamber is pushed toward one end thereof;

a code wheel (335) to identify a preset rotation angle of the rocker (311);

the second optical coupler (336) is fixed on an optical coupler support (337), the optical coupler support (337) is installed on the housing (3100), and the second optical coupler (336) is used for identifying one end, away from the slide (315), of the rocker (331) so as to identify that the test tube (A1) in the first placement state is in place and then drive the rocker motor (333) to turn;

wherein, when the color sensor (322) recognizes the colored test tube cap, it drives the paddle motor (333) to keep the paddle (331) in a horizontal state to achieve that the test tubes (a1) in the first placement state are all pushed onto the paddle (331);

the second optical coupler (336) recognizes the test tube (A1) in the first placing state and drives the rocker motor (333) to turn over so as to turn over the test tube (A1) in the first placing state into the test tube (A2) in the second placing state; or

When the color sensor (322) recognizes the bottle bottom, it drives the rocker motor (333) to immediately turn the rocker (331) so as to realize that the test tube (a1) in the first placement state is partially loaded on the rocker (331), and turns the test tube (a1) in the first placement state into the test tube (a2) in the second placement state;

wherein the code wheel (335) drives the rocker motor (333) to turn the rocker (331) back to the horizontal position based on the preset rotation angle.

10. Unordered loading device for test tubes according to claim 3, wherein the hopper (10) further comprises:

a storage hopper (110);

the partition plate (120) is formed inside the storage hopper (110) and is in an inclined surface;

a viewing window (130) embedded in the partition plate (120);

the material conveying opening (140) is arranged at the bottom of the storage hopper (110), one end of the partition plate (120) extends to the edge of the material conveying opening (140), and the material conveying opening (140) is communicated with the communicating part (160);

the storage hopper (110) is arranged on the support frame (150).