Summary of the invention
It is an object of the invention to overcome the above technical problem, a kind of self-help intelligent blood-taking device is provided, the blood drawing machine
The artificial self-service structure of device, can be automatically performed needle exchange, blood drawing, envelope needle, run-bake-needle fault, coding process, blood collection procedure safety, health,
Unmanned operation is realized, while there is blood fresh-keeping function, the degree of automation is higher, the accurate of blood count test data can be improved
Property and validity.
The present invention is achieved through the following technical solutions:
A kind of self-help intelligent blood-taking device, operation arm, pedestal including robot of drawing blood, the operation arm pass through
Turntable is fixed on the base, and operation arm end is provided with knit stitch regulating device, on the base end be provided with needle exchange mechanism,
Push-pin mechanism, blood drawing run-bake-needle fault mechanism, Feng Zhen mechanism, are equipped with several syringes, the needle exchange mechanism pushes pin in needle exchange mechanism
Mechanism, blood drawing run-bake-needle fault mechanism are respectively positioned on the bottom end of knit stitch regulating device, and the Feng Zhen mechanism is connect with operation arm end, in base
Upper surface is provided with a widening notch to seat, opposite sides face has blood crisper dispensing port, a blood crisper and takes
Outlet, is provided with a Transfer pipe, the blood crisper dispensing port, blood crisper outlet, widening in base interior
Notch is communicated with Transfer pipe, and blood preseration mechanism and code-spraying mechanism are additionally provided in Transfer pipe, in which:
The needle exchange mechanism includes large cylinder, and the circumferential side wall of the large cylinder and small cylinder is integrally formed connection and center
Axis is parallel to each other, and large cylinder is connect by mounting rack with knit stitch regulating device bottom end, and it is excellent that a circle is provided in large cylinder
Large cylinder is divided into two chambers by arc baffle and minor arc baffle, major arc baffle and minor arc baffle, wherein major arc baffle outer wall with
It is syringe holding chamber that circular passage is formed by between large cylinder inner wall, and minor arc baffle inner concave wall is surrounded with major arc baffle inner wall
Chamber be drive chamber, driving motor and push rod be installed in drive chamber, one end of the push rod passes through rotation axis and driving
The output axis connection of motor, the other end are placed in syringe holding chamber and can push syringe along the circumferential of large cylinder, minor arc baffle
By shaft, the end A of the hinged, other end and reset spring is connect with the intersection of large cylinder and small cylinder for one end, reset spring
The end B is fixed with the fixes sleeve on the outside of rotation axis;The inner cavity of the small cylinder is needle exchange chamber and communicates with syringe holding chamber;
The push-pin mechanism includes syringe testing agency, pushing pin controls drive module, electric drive hydraulic thruster and Electrical heads, is pushed away
Needle control drive module is connect by mounting rack with knit stitch regulating device bottom end, and the diameter of the Electrical heads is less than the interior of needle exchange chamber
Diameter, one end of electric drive hydraulic thruster connect with Electrical heads, the other end controls drive module and connect with pushing pin, and the Electrical heads pass through
The end of small cylinder is placed in needle exchange chamber and controls drive module by conducting wire and connect with pushing pin, and syringe testing agency, which is embedded in, to change
It controls drive module in needle cavity and by conducting wire with pushing pin and connect;
The blood drawing run-bake-needle fault mechanism includes small cylinder, and the small cylinder includes fixed plate and movable plate, fixed plate and activity
One axial cross section of plate is connected by hinge, forms run-bake-needle fault notch between another axial cross section, further includes two and control of pushing pin
The hydraulic cylinder that drive module is connected by conducting wire, one end of each hydraulic cylinder and large cylinder lateral wall fix, the other end and activity
The plate upper surface at board bottom end is fixed, and the other side of bottom plate and fixed plate are fixed by connecting column, hanging down between two hydraulic cylinders
Straight spacing is greater than syringe axial length, and the bottom plate is located at the surface of widening notch;
The Feng Zhen mechanism includes the first turntable, the second turntable, electric hydaulic arm, A motor, B motor, first turntable
And second between turntable by needle cover winding connection winding, the first turntable is mounted on the upper section of operation arm and its shaft and A electricity
Machine connection, the motor side of the electric hydaulic arm by cross-brace column with operate arm upper section connect, the free end of piston rod
It is connect by support plate with B motor, the output end of the B motor is connect with the shaft of the second turntable, in the upper surface of support plate
It is additionally provided with electric pushrod, the A motor, B motor, electric hydaulic arm, electric pushrod the control system with blood drawing robot respectively
System connection;
The automated needle changeover run-bake-needle fault course of work is as follows:
When push rod pushes syringe, the syringe squeezes reset spring in a state of nature by minor arc baffle, goes forward side by side
It is intracavitary to enter needle exchange;When syringe testing agency detect syringe be placed in needle exchange it is intracavitary when, the electric drive hydraulic thruster pushes syringe edge
The axial movement of needle exchange chamber and syringe needle is made to be placed in small cylinder outer end;It is described after the control syringe knit stitch of knit stitch regulating device is laid flat
Hydraulic cylinder compression makes fixed plate and movable plate clamp syringe, and syringe tail end and the direction movement towards separate syringe needle is sucked in Electrical heads;
After the completion of blood drawing robot detects blood drawing, electric hydaulic arm elongation, A motor and B motor forward or reverse so that needle
The needle cover open end of lid winding least significant end is directed at syringe needle, and electric pushrod elongation pushes needle cover to be connected on syringe;The control of pushing pin
Drive module control hydraulic cylinder processed extends so that fixed plate and movable plate unclamp syringe, and electric drive hydraulic thruster is sucked by Electrical heads
Syringe is simultaneously mobile towards the direction far from syringe needle, until syringe is located between two hydraulic cylinders, pushes pin and controls drive module control electricity
Magnetic head power-off, syringe by run-bake-needle fault notch roll on bottom plate, and enter widening notch in, by blood preseration mechanism transmission and
Blood crisper outlet end is entered after code-spraying mechanism coding.
Existing robot completes blood drawing process by a series of actions of simulation people's blood drawing, requires before each blood drawing
Manually syringe needle is mounted on propeller again, is then connect again by hose with blood test tube is deposited, it includes taking out pipe that this, which deposits blood test tube,
And straight tube, the one end for taking out pipe are placed in straight tube, after syringe needle is inserted into human skin, then healthcare givers manipulates again deposits blood test tube,
That is the movement of simulation syringe blood drawing guarantees that backflow of blood enters to deposit in blood test tube so that forming negative pressure in hose and syringe needle, completes to take out
Blood operation, then manually again removes the syringe needle being mounted on propeller, and whole process does not need manually to grasp in addition to fixed point blood sampling
It other than work, the installation of syringe needle and removes and guarantees that blood flows into and deposit the process of blood test tube and require manual operation, need someone
It keeps always by robot and control is carried out to the blood drawing process of every bleeder, this still needs labor intensive.And due to
The position of propeller is lower, takes the visual field of syringe needle to be blocked by operation arm knit stitch regulating device, unopen, this makes people
It is easier to be scratched by syringe needle when taking needle or installation, increases the probability of blood infection, transmission.And do not have on the market at present yet
There are automated needle changeover, envelope needle, run-bake-needle fault structure, moreover it is possible to guarantee to complete blood drawing process during needle exchange, envelope needle, run-bake-needle fault, not have more
Blood preservation structure.So inventor on the basis of carefully studying existing medical treatment blood drawing robot, makees blood drawing robot
It improves:
1, propeller is eliminated in the knit stitch regulating device of existing blood drawing robot manipulation's arm end first, increased
Needle exchange mechanism, push-pin mechanism, Feng Zhen mechanism, blood drawing run-bake-needle fault mechanism, each mechanism structure are as noted above.Needle exchange mechanism is by two
A cylinder composition, syringe holding chamber is a circular passage, and syringe can be put into from an end face of large cylinder and be mounted on syringe and put
Interior is set, the center line of each syringe is overlapped with the center line of large cylinder, and the syringe after syringe holding chamber installs circularizes
Distribution, push rod are used to be forced away from the syringe of needle exchange chamber;The present invention can design the axial length of major arc baffle to come in design
The shorter than axial length of large cylinder, such push rod can push syringe mobile against an end face of major arc baffle;Or major arc baffle
It is isometric with the axial direction of large cylinder, an arc hole slot is opened on major arc baffle, such push rod may pass through arc hole slot and around arc
Shape hole slot pushes syringe mobile.In the case where push rod does not move, the reset spring connecting with minor arc baffle is in not by deformation
State, the spacing between minor arc baffle and large cylinder and major arc baffle is relatively narrow at this time, it is ensured that in syringe holding chamber syringe without
Method enters in its natural state in needle exchange chamber;Then it is rotated using the control system control driving motor of blood drawing robot, driving
The output shaft of motor drives rotation axis that push rod is pushed, and then the last one syringe is squeezed, and successively pushes the needle in front
Cylinder, and mobile towards the direction close to needle exchange chamber in syringe holding chamber, near the syringe of needle exchange chamber be squeezed after can pair
The arcuate surface of minor arc baffle also applies an extruding force;Since one end of minor arc baffle is hinged, it is in movable state, syringe squeezes
When pressing minor arc baffle, reset spring will receive extruding force and shrink so that the spacing between minor arc baffle and large cylinder expands,
Syringe enters under gravity in needle exchange chamber, and control push rod is motionless at this time, and reset spring, which loses extruding force, can lean on itself
Elastic-restoring force rebound avoids the latter syringe from falling so that the spacing between minor arc baffle and large cylinder narrows.
After falling in needle exchange chamber under syringe, due to push pin control drive module by blood drawing robot control system controlled,
Syringe testing agency detect syringe be placed in needle exchange it is intracavitary after, push pin control drive module just control electric drive hydraulic thruster push needle
Cylinder tail end along needle exchange chamber axial movement and so that syringe needle is placed in small cylinder outer end.Right latter two hydraulic cylinder compression make fixed plate and
Movable plate clamps syringe, and large cylinder, small cylinder are all in the integrated state of tensioning at this time, and needle exchange mechanism, push-pin mechanism are logical
It crosses mounting rack to connect with knit stitch regulating device bottom end, so may make by adjusting the movement of knit stitch regulating device and be placed in small cylinder
The syringe needle of outer end completes knit stitch movement;After the control syringe knit stitch of knit stitch regulating device is laid flat, the control system for robot of drawing blood
It controls to push pin and controls drive module work, push pin and control drive module control electric drive hydraulic thruster shortening, since syringe passes through admittedly
Fixed board and movable plate are clamped in steady status, and the piston of syringe tail end can be sucked in electric drive hydraulic thruster by magnetic head after shortening
Bar is simultaneously mobile towards the direction far from syringe needle, so that forming negative pressure in syringe, completes blood work.When blood drawing robot detects pumping
After the completion of blood, the electric hydaulic arm of Feng Zhen mechanism extends, and the relative spacing between the second turntable and the first turntable increases, so that even
The needle cover winding whereabouts connect between the first turntable and the second turntable in relaxed state is exceptionally straight, and position is when adjusting, it is ensured that
The needle cover open end of needle cover winding least significant end is directed at syringe needle, and the control system control of blood drawing robot is then recycled to be located at support
Electric pushrod elongation on plate pushes needle cover, is connected on syringe after wrapping up needle cover by syringe needle, completes to seal needle entirely with this
Process.After envelope needle is complete, electric hydaulic arm shortens, so that entire Feng Zhen mechanism up mentions, personal blood drawing knit stitch under the influence of avoiding;
After electric hydaulic arm shortens, the rotation of B motor will be disengaged from the needle cover winding item winding tightening of needle cover part.After envelope needle is complete, blood drawing
The control system of robot, which passes through to push pin again, controls drive module control hydraulic cylinder elongation so that fixed plate and movable plate unclamp needle
Syringe is sucked by Electrical heads in cylinder, electric drive hydraulic thruster, and entire syringe is mobile towards the direction far from syringe needle again, until syringe is located at
Between two hydraulic cylinders, pushes pin control drive module control Electrical heads power-off at this time, at this moment syringe is by the effect of electromagnetic attraction,
And it since entire large cylinder and fixed plate have been raised in hydraulic cylinder elongation, is lost at the hinge connection of movable plate under pressure nature
It hangs down, syringe passes through run-bake-needle fault notch syringe disengaging needle exchange chamber under gravity and tumbles on bottom plate.
It 2, generally can be with six hours, but medically in addition, the existing blood released is if it is if fresh-keeping
Preservation is that blood just will appear blood clotting, serum separation after ten minutes, ten minutes, so that the accuracy of final test data
It is reduced with authenticity.So aiming at the problem that the existing mode manually labelled there is a problem of and blood preseration is not permanent,
The present invention improves pedestal, is provided in pedestal the syringe equipped with blood carrying out the structure that fresh-keeping coding is packaged, and
Widening notch is offered in base-plates surface, and blood crisper dispensing port, the blood of the blood crisper for packing are fresh-keeping
Box outlet, the central axis position of blood crisper dispensing port, the central point line of blood crisper outlet and Transfer pipe
In same straight line, syringe is from, towards that can fall into widening notch after outer rolling, blood preseration mechanism utilizes blood crisper on bottom plate
Syringe equipped with blood saves, and is transmitted to code-spraying mechanism, carries out coding mark to blood crisper by code-spraying mechanism, such as here
Coding mark can be digital number, alpha code, digital number and alpha code are pre-entered with robot system of drawing blood and are set
Fixed personally identifiable information corresponds.Blood crisper after coding is transmitted, and blood crisper outlet is ultimately delivered to
End, people can be drawn off.After people are drawn off, blood crisper can be sent at blood testing and be handled.
Through the invention, which can be automatically performed needle exchange, blood drawing, envelope needle, run-bake-needle fault and blood preseration packaging
With the process of autocoding label, manual labor's amount is greatly alleviated, realizes the automation process of robot blood drawing, and
It takes needle convenient, effectively prevents people and be easier to the problem of being scratched by syringe needle when taking needle or installation, have greatly economical and real
With value;Meanwhile being covered needle cover on syringe needle using envelope needle construction, the bacterium that can avoid in air enters syringe blood from syringe needle hole
In liquid, the precision of subsequent blood detection, safety and sanitation also can be improved with this.Blood drawing robot is placed in doctor in self-service form
In institute or other common service areas, people's blood drawing of being more convenient in this way compared to existing traditional blood drawing mode, realize blood drawing and deposit blood
Automatic management, more save a large amount of human and material resources cost, be of great significance to self-supporting medical intelligent management.
The blood preseration mechanism includes successively adjacent A conveyer belt, B conveyer belt, C conveyer belt, A conveyer belt, B transmission
The centerline parallel of band, the axis of C conveyer belt and Transfer pipe, the free end of A conveyer belt pass through blood crisper dispensing port and set
In outside pedestal, B conveyer belt is located at the underface of widening notch, and the free end of C conveyer belt passes through blood crisper outlet and is placed in
Outside pedestal, several blood crispers are placed in A conveyer belt upper surface, are provided with pressure sensor in the middle part of B conveyer belt, it is described
Pressure sensor, A conveyer belt, B conveyer belt, C conveyer belt driving mechanism connect with a microcontroller, work as pressure sensor
When collecting first pressure value, the A conveyer belt, B conveyer belt stop;When pressure sensor collects second pressure value, institute
It states A conveyer belt, B conveyer belt while operating.Further, the above structure is the specific structure of blood preseration mechanism, in microcontroller
There are two pressure thresholds, respectively first pressure value, second pressure value for setting in device, when pressure sensor collects first pressure
When value, illustrate that blood crisper has been transmitted on B conveyer belt from A conveyer belt, microcontroller control A conveyer belt, B conveyer belt stop
Only;When pressure sensor collects second pressure value, illustrate that the blood crisper being located on B conveyer belt is successfully received
Syringe, weight penalty, A, B conveyer belt of microcontroller control at this time remain in operation.With this configuration, it is ensured that blood crisper
Open end be placed exactly in the underface of widening notch, guarantee that syringe is fallen into blood crisper.
Preferably, the code-spraying mechanism is located at right above the side of C conveyer belt, code-spraying mechanism include controller, ink jet numbering machine,
Infrared detector, slide bar, electronic sliding block, the ink jet numbering machine, infrared detector, electronic sliding block pass through conducting wire respectively and controller connects
It connects, controller is connect with blood drawing robot control system, and electronic sliding block is mounted on slide bar and can move along slide bar, and ink jet numbering machine is same
When fixed with electronic sliding block and coding mouth is adjacent with the side of blood crisper, when infrared detector detects blood crisper letter
Number when, coding after the ink jet numbering machine is delayed 1 ~ 2 second, electronic sliding block is moved towards close to blood crisper outlet direction simultaneously for coding
It is dynamic.The above are the specific structures of code-spraying mechanism will not be to blood since code-spraying mechanism is located at right above the side of C conveyer belt
The transmission of crisper impacts.
Preferably, the blood crisper includes bottom panel and four side plates and top cover, one end of top cover and a side
Plate is hinged, connects with another opposite side board, is additionally provided with interlayer inside each side plate, is internally provided with ice bag in interlayer,
Heat-preservation cotton layer is provided in bottom panel and top cover.The above are the specific structure of blood crisper, the ice of four side of blood crisper
Bag can circumferentially cold air be surround to needle cylinder type, forms low temperature bin, and blood platelet in blood, hemoglobin, red thin is adapted to this
The isolation survival temperature of born of the same parents etc. guarantees the freshness and quality of blood, blood clotting, serum separation is avoided the occurrence of, so that final test
The problem of accuracy of data and authenticity reduce.Heat-preservation cotton layer in bottom panel and top cover can reduce ice-out degree, mention
The fresh-keeping duration of high/low temperature, while buffer function can be played, reduce the vibratory forces to blood in syringe.
The syringe includes the cylinder with syringe needle, is provided on cylinder outer wall and the matched clamping salient point of needle cover, interior
Portion is provided with piston rod, and the axial length of the piston rod is greater than cylinder axial length, and piston rod is located at one end outside cylinder
For stainless steel wafer, the diameter of the stainless steel wafer is less than the outer diameter of cylinder.Further, the above are the tools of syringe of the present invention
Body structure, the structure can be freely in the intracavitary axial movements of needle exchange, and the length of the piston rod in syringe among the above is greater than syringe
Length, and piston tail end, i.e. stainless steel wafer can be convenient for being adsorbed on Electrical heads.
The piston rod includes the body of rod, piston head, an end face of piston head with the body of rod is fixed, other end is provided with one and half
Closed cavity groove, the cavity groove is interior to be filled with blood anticoagulant.Blood anticoagulant is filled in the piston of each piston rod in advance
In head, it can be easy in this way with the blood after blood drawing, blood is avoided to be easy solidification.This structure is very simple simultaneously, with the present invention
Automatic blood drawing robot can preferably cooperate, without individually carrying out anticoagulant operation, practicability operability is higher.
Preferably, the reset spring includes position-limiting drum, helical spring, A arc panel, B arc panel, and the one of the position-limiting drum
The open end that end is connect with A arc panel, the other end is oval-shaped cavity, the oval-shaped cavity phase of the helical spring and position-limiting drum
Mutually matching, one end of helical spring be placed in position-limiting drum connect with A arc panel, the other end and B arc panel connect.The above structure is
The specific structure of reset spring, the setting of position-limiting drum can reduce the probability of helical spring polarization deformation, extend making for helical spring
Use the service life.A arc panel, B arc panel mounting surface be cambered surface, inner concave that can preferably with rotation axis outer cylinder and minor arc baffle
Installation fitting.In addition, inventor, which passes through, is designed as ellipse for position-limiting drum, helical spring can be greatly increased in this way along large cylinder axis
To sectional area, further limit helical spring Impact direction, improve the stability of helical spring.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of self-help intelligent blood-taking device of the present invention, the knit stitch tune in existing blood drawing robot manipulation's arm end
Propeller is eliminated in regulating device, increases needle exchange mechanism, push-pin mechanism, blood drawing run-bake-needle fault mechanism, Feng Zhen mechanism, and for improvement
Robot be provided with special syringe, make through the above structure improved blood drawing robot can be automatically performed needle exchange, pumping
The process of blood, envelope needle, run-bake-needle fault greatly alleviates manual labor's amount, realizes the automation process of robot blood drawing, and takes
Needle is convenient, effectively prevents people and is easier to the problem of being scratched by syringe needle when taking needle or installation, has greatly economical and practical
Value;Meanwhile being covered needle cover on syringe needle using envelope needle construction, the bacterium that can avoid in air enters syringe blood from syringe needle hole
In, the precision of subsequent blood detection, safety and sanitation also can be improved with this;
2, a kind of self-help intelligent blood-taking device of the present invention, improves pedestal, and being provided in pedestal will be equipped with blood
The syringe of liquid carries out the structure that fresh-keeping coding is packaged, and offers widening notch, and the blood for packing in base-plates surface
Blood crisper dispensing port, the blood crisper outlet of crisper, can solve to ask existing for the existing mode manually labelled
Topic and the impermanent problem of blood preseration;After increasing the structure, blood drawing robot can be placed in self-service form
In hospital or other common service areas, people's blood drawing of being more convenient in this way compared to existing traditional blood drawing mode, realize blood drawing and deposit
The automatic management of blood more saves a large amount of human and material resources cost, is of great significance to self-supporting medical intelligent management;
3, a kind of self-help intelligent blood-taking device of the present invention, improves existing reset spring, has stability strong
The advantages that, so that the service life of needle exchange mechanism greatly promotes.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of present invention blood drawing robot;
Fig. 2 is the enlarged diagram of needle exchange mechanism of the present invention, blood drawing run-bake-needle fault mechanism, Feng Zhen mechanism;
Fig. 3 is the diagrammatic cross-section of needle exchange mechanism of the present invention;
Fig. 4 is the structural schematic diagram of base interior of the present invention;
Fig. 5 is the structural schematic diagram of blood crisper of the present invention;
Fig. 6 is syringe cylinder structure schematic diagram of the present invention;
Fig. 7 is the structural schematic diagram of reset spring of the present invention.
Label and corresponding parts title in attached drawing:
1- operates arm, 2- knit stitch regulating device, 3- large cylinder, 4- major arc baffle, 5- minor arc baffle, the placement of 6- syringe
Room, 7- drive chamber, 8- driving motor, 9- push rod, 10- rotation axis, 11- needle exchange chamber, 12- reset spring, 13-, which pushes pin, controls driving
Module, 14- electric drive hydraulic thruster, 15- Electrical heads, 16- fixed plate, 17- movable plate, 18- run-bake-needle fault notch, 19- bottom plate, 20- liquid
Cylinder pressure, the first turntable of 21-, the second turntable of 22-, 23- electric hydaulic arm, 24- A motor, 25-B motor, 26- needle cover winding, 27-
Cross-brace column, 28- support plate, 29- electric pushrod, 30- syringe, 31- pedestal, 32- widening notch, 33- blood crisper are thrown
Put mouth, 34- blood crisper outlet, 35- Transfer pipe, 36-A conveyer belt, 37- B conveyer belt, 38- C conveyer belt, 39- blood
Liquid crisper, 40- controller, 41- ink jet numbering machine, 42- infrared detector, 43- slide bar, 121- position-limiting drum, 122- helical spring,
123- A arc panel, 124- B arc panel, 311- cylinder, 312- stainless steel wafer, 313- clamping bulge loop, 314- piston head,
The 315- body of rod, 391- bottom panel, 392- side plate, 393- top cover, 394- ice bag, 395- heat-preservation cotton layer.
Embodiment 1
Such as Fig. 1 ~ 3, shown in 6, a kind of self-help intelligent blood-taking device of the present invention, operation arm 1 including robot of drawing blood,
Pedestal 31, the operation arm 1 are fixed on pedestal 31 by turntable, and operation 1 end of arm is provided with knit stitch and adjusts dress
2 are set, 31 upper end of pedestal is provided with needle exchange mechanism, push-pin mechanism, blood drawing run-bake-needle fault mechanism, Feng Zhen mechanism, pacifies in needle exchange mechanism
Equipped with several syringes 30, the needle exchange mechanism, push-pin mechanism, blood drawing run-bake-needle fault mechanism are respectively positioned on the bottom end of knit stitch regulating device 2,
The Feng Zhen mechanism is connect with operation 1 end of arm, is provided with a widening notch 32, opposite sides face point in 31 upper surface of pedestal
It is not provided with a blood crisper dispensing port 33, blood crisper outlet 34, it is logical to be internally provided with a transmission in pedestal 31
Road 35, the blood crisper dispensing port 33, blood crisper outlet 34, widening notch 32 are communicated with Transfer pipe 35,
Blood preseration mechanism and code-spraying mechanism are additionally provided in Transfer pipe 35, in which:
The needle exchange mechanism includes large cylinder 3, the circumferential side wall of the large cylinder 3 and small cylinder be integrally formed connection and in
Mandrel line is parallel to each other, and large cylinder 3 is connect by mounting rack with 2 bottom end of knit stitch regulating device, is provided with one in large cylinder 3
Large cylinder 3 is divided into two chambers by circle major arc baffle 4 and minor arc baffle 5, major arc baffle 4 and minor arc baffle 5, and wherein major arc is kept off
It is syringe holding chamber 6 that circular passage is formed by between 3 inner wall of 4 outer wall of plate and large cylinder, and 5 inner concave wall of minor arc baffle and major arc are kept off
The chamber that 4 inner wall of plate is surrounded is drive chamber 7, is equipped with driving motor 8 and push rod 9 in drive chamber 7, the one of the push rod 9
End is placed in syringe holding chamber 6 by rotation axis 10 and the output axis connection of driving motor 8, the other end and can be along large cylinder 3
It is circumferential push the intersection of syringe, one end of minor arc baffle 5 and large cylinder 3 and small cylinder by shaft the hinged, other end and multiple
The end the A connection of position spring 12, the end B of reset spring 12 and the fixes sleeve in 10 outside of rotation axis are fixed;The small cylinder it is interior
Chamber is needle exchange chamber 11 and communicates with syringe holding chamber 6;
The push-pin mechanism includes syringe testing agency, pushing pin controls drive module 13, electric drive hydraulic thruster 14 and electromagnetism
First 15, pushing pin controls drive module 13 and is connect with 2 bottom end of knit stitch regulating device by mounting rack, and the diameter of the Electrical heads 15 is small
In the internal diameter of needle exchange chamber 11, one end of electric drive hydraulic thruster 14 connect with Electrical heads 15, the other end and pushes pin and controls drive module
13 connections, the end that the Electrical heads 15 pass through small cylinder, which is placed in needle exchange chamber 11 and passes through conducting wire and pushes pin, controls drive module
13 connections, syringe testing agency are embedded in needle exchange chamber 11 and control drive module 13 by conducting wire and connect with pushing pin;
The blood drawing run-bake-needle fault mechanism includes small cylinder, and the small cylinder includes fixed plate 16 and movable plate 17, fixed plate 16
It is connected by hinge with an axial cross section of movable plate 17, forms run-bake-needle fault notch 18 between another axial cross section, further include two
The hydraulic cylinder 20 that drive module 13 connect by conducting wire is controlled with pushing pin, one end of each hydraulic cylinder 20 and 3 lateral wall of large cylinder
Fixed, 17 bottom end of the other end and movable plate 19 upper surface of bottom plate is fixed, and the other side of bottom plate 19 passes through with fixed plate 16 to be connect
Column is fixed, and the vertical interval between two hydraulic cylinders 20 is greater than syringe axial length, and the bottom plate 19 is located at widening notch 32
Surface;
The Feng Zhen mechanism includes the first turntable 21, the second turntable 22, electric hydaulic arm 23, A motor 24, B motor 25, institute
It states by the connection winding of needle cover winding 26 between the first turntable 21 and the second turntable 22, the first turntable 21 is mounted on operation arm
The motor side of upper section and its shaft is connect with A motor 24, the electric hydaulic arm 23 passes through cross-brace column 27 and operation arm 1
Upper section connection, piston rod free end connect with B motor 25 by support plate 28, the output end of the B motor 25 and second turn
The shaft of disk 22 connects, and is additionally provided with electric pushrod 29 in the upper surface of support plate 28, the A motor 24, B motor 25, electronic
Hydraulic arm 23, electric pushrod 29 are connect with the control system of blood drawing robot respectively;
The automated needle changeover run-bake-needle fault course of work is as follows:
When push rod 9 pushes syringe, the syringe 30 squeezes reset spring in a state of nature by minor arc baffle 5
12, and enter in needle exchange chamber 11;When syringe testing agency detects that syringe is placed in needle exchange chamber 11, the electric drive hydraulic thruster
14 push syringes 30 along the axial movement of needle exchange chamber 11 and syringe needle are made to be placed in small cylinder outer end;When knit stitch regulating device 2 controls needle
After cylinder knit stitch is laid flat, the compression of hydraulic cylinder 20 makes fixed plate 16 and movable plate 17 clamp syringe 30, and syringe is sucked in Electrical heads 15
Tail end is simultaneously mobile towards the direction far from syringe needle;After the completion of blood drawing robot detects blood drawing, the electric hydaulic arm 23 extends,
A motor 24 and B motor 24 forward or reverse so that 26 least significant end of needle cover winding needle cover open end be aligned syringe needle, electric pushrod
29 elongations push needle cover to be connected on syringe 30;Described push pin controls the control elongation of hydraulic cylinder 20 of drive module 13 so that fixed plate
16 unclamp syringe with movable plate 17, and electric drive hydraulic thruster 14 is sucked syringe by Electrical heads 15 and moves towards the direction far from syringe needle
It is dynamic, until syringe is located between two hydraulic cylinders 20, pushes pin and control the control power-off of Electrical heads 15 of drive module 13, syringe passes through de-
Needle tray mouth 18 rolls on bottom plate 19, and enters in widening notch 32, is encoded by the transmission of blood preseration mechanism and code-spraying mechanism
After enter blood crisper outlet end 34.The syringe 30 includes the cylinder 311 with syringe needle, on 311 outer wall of cylinder
Be provided with the matched clamping bulge loop 313 of needle cover, be internally provided with piston rod, the axial length of the piston rod is greater than cylinder
311 axial lengths, and piston rod be located at one end outside cylinder 311 be stainless steel wafer 312, the stainless steel wafer 312 it is straight
Diameter is less than the outer diameter of cylinder 311.The piston rod includes the body of rod 315, piston head 314, an end face of piston head 314 and the body of rod
315 is fixed, other end is provided with a semi-enclosed cavity groove, and blood anticoagulant is filled in the cavity groove.In the above structure, needle
Cylinder testing agency is pressure sensor or infrared sensor, and to detect syringe, whether to be placed in needle exchange intracavitary.Control of pushing pin drives mould
Block 13 includes electrohydraulic cylinder, control chip, and control chip is connect with robot control system of drawing blood, and simultaneously and electric hydaulic
Cylinder, Electrical heads 15, blood drawing run-bake-needle fault mechanism in hydraulic cylinder 20 by conducting wire connect, by control chip in set all parts
Above-mentioned movement can be completed in work step and sequence.
Through the invention, which can be automatically performed needle exchange, blood drawing, envelope needle, run-bake-needle fault and blood preseration packaging
With the process of autocoding label, manual labor's amount is greatly alleviated, realizes the automation process of robot blood drawing, and
It takes needle convenient, effectively prevents people and be easier to the problem of being scratched by syringe needle when taking needle or installation, have greatly economical and real
With value;Meanwhile being covered needle cover on syringe needle using envelope needle construction, the bacterium that can avoid in air enters syringe blood from syringe needle hole
In liquid, the precision of subsequent blood detection, safety and sanitation also can be improved with this.Blood drawing robot is placed in doctor in self-service form
In institute or other common service areas, people's blood drawing of being more convenient in this way compared to existing traditional blood drawing mode, realize blood drawing and deposit blood
Automatic management, more save a large amount of human and material resources cost, be of great significance to self-supporting medical intelligent management.