CN208537270U - A kind of evenly mixing device and analyzer - Google Patents

Abstract

The utility model relates to field of medical device, a kind of evenly mixing device and analyzer are disclosed, wherein evenly mixing device includes fixed device, and fixed device is for fixed sample container to be mixed；Driving device is mixed, mixes driving device for driving fixed device around an axis rotation；And support device, support device are equipped with the supporting surface for being parallel to the rotational trajectory of fixed device.The utility model is supported the sample container in blending process using support device, under conditions of guaranteeing that fixed device applies a low-force degree to sample container, the risk that test tube damages caused by can loosening completely to avoid sample container, it ensures and mixes being normally carried out for operation, it has the advantages of simple structure and easy realization.

Description

A kind of evenly mixing device and analyzer

Technical field

The utility model relates to field of medical device, more particularly, to a kind of evenly mixing device, and apply the evenly mixing device Analyzer.

Background technique

Medical analyzer (such as blood analyser) usually requires to mix sample during carrying out analysis operation Even, common ground blending manner is to be mixed after grabbing test tube by manipulator by modes such as rotations at present, in order to enable machine Manipulator can be more easily detached from test tube after the completion of tool hand can more easily grab test tube, and mixing, mechanical The chucking power of hand holding test tubes should not be excessive, however test tube in blending process due to the effect of centrifugal force and there are disengaging machines The trend of tool hand, when chucking power is smaller, test tube has the risk that tube breaking is caused because falling or hitting, therefore at present urgently Need a kind of evenly mixing device that test tube can be avoided to loosen under conditions of keeping smaller chucking power.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of evenly mixing device, for solving existing mixing dress It sets and is difficult to realize that test tube consolidates fixed problem under conditions of keeping smaller chucking power.

The utility model additionally provides a kind of analyzer using above-mentioned evenly mixing device, is difficult to for solving existing analyzer Realize that test tube consolidates fixed problem under conditions of keeping smaller chucking power.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of evenly mixing device, including

Fixed device, fixed device is for fixed sample container to be mixed；

Driving device is mixed, mixes driving device for driving fixed device around an axis rotation；

And support device, support device are equipped with the supporting surface for being parallel to the rotational trajectory of fixed device.

Mode as a further improvement of the foregoing solution, fixed device are rotated around a horizontal axis.

Mode as a further improvement of the foregoing solution is provided with the opening passed through for sample container in support device.

Mode as a further improvement of the foregoing solution further includes detection device, when sample container moves to opening, and examination Detection trigger device when the relatively fixed device of sample container slides.

The minimum point of the rotational trajectory of fixed device is arranged in mode as a further improvement of the foregoing solution, opening It sets, detection device includes the sender unit and signal reception dress that the lower section of opening is arranged in, and is located at opening two sides Set, sample container moving to opening, and the lowermost end of sample container be lower than setting height when detection trigger device.

Mode as a further improvement of the foregoing solution, before carrying out mixing operation, by the sample that fixed device is fixed There is gap between the lowermost end and supporting surface of container, when relatively fixed device slips sample container in rotary course, branch Support face and the sample container are supported to give the support force that the sample container is in reverse to centrifugal force direction；

It is contacted alternatively, being remained between the lowermost end and supporting surface of the sample container fixed by fixed device, works as sample When container fixes device with slippage trend relatively in rotary course, supporting surface gives the sample container and is in reverse to centrifugal force side To support force.

Mode as a further improvement of the foregoing solution, the top of supporting surface are not less than sample container from its lowest point Position after being rotated by 90 ° upwards.

The both ends of mode as a further improvement of the foregoing solution, supporting surface are respectively arranged with guide ramp.

Mode as a further improvement of the foregoing solution further includes driving fixed device, mixing driving device along the x axis The X-axis driving device of movement, and drive fixed device, mix driving device, the Z axis driving that X-axis driving device is moved along Z axis Device.

Mode as a further improvement of the foregoing solution,

Mixing driving device and fixed device can first move in the X-axis direction to the lower section of support device, then along Z-direction It is moved into mixing initial position；

Alternatively, the side of support device can first be moved to along Z-direction by mixing driving device and fixed device, then along X Axis direction is moved into mixing initial position.

Mode as a further improvement of the foregoing solution,

Z axis driving device includes Z axis motor, Z axis screw rod and Z axis feed screw nut, the drive shaft of Z axis screw rod and Z axis motor It is fixedly connected, Z axis feed screw nut connect with Z axis wire rod thread；

X-axis driving device includes X-axis bracket, X-axis motor, X-axis screw rod and X-axis feed screw nut, X-axis motor and X-axis bracket It is fixedly connected, X-axis screw rod is fixedly connected with the drive shaft of X-axis motor, and X-axis feed screw nut connect with X-axis wire rod thread, X-axis branch Frame is fixedly connected with Z axis feed screw nut；

Driving device is mixed including mixing bracket, mixing motor, driving wheel, driven wheel and synchronous belt, mixing motor and mixing Even bracket is fixedly connected, and driving wheel is fixedly connected with the drive shaft for mixing motor, synchronous belt be wound around driving wheel and driven wheel it On, it mixes bracket and is fixedly connected with X-axis feed screw nut；

Fixed device is clamping jaw, and clamping jaw is fixedly connected with driven wheel.

Mode as a further improvement of the foregoing solution, fixed device are rotated around a vertical axle center.

A kind of analyzer, including above-mentioned evenly mixing device.

The beneficial effects of the utility model are:

The utility model is supported the sample container in blending process using support device, is guaranteeing fixed device pair Under conditions of sample container applies a low-force degree, the wind of test tube damage caused by being loosened completely to avoid sample container Danger ensures and mixes being normally carried out for operation, has the advantages of simple structure and easy realization.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment；

Fig. 2 is that sample container is rocked to stereoscopic schematic diagram when mixing zero-bit in the present embodiment；

Fig. 3 is stereoscopic schematic diagram when sample container is rocked to 0~45 ° in the present embodiment；

Fig. 4 is stereoscopic schematic diagram when sample container is rocked to 90 ° or more in the present embodiment.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.

It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature, It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this The descriptions such as up, down, left, right, before and after used in utility model are only relative to each composition portion of the utility model in attached drawing For the mutual alignment relation divided.

In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items The combination of meaning.

Referring to Fig.1, the stereoscopic schematic diagram of the utility model one embodiment is shown.As shown, evenly mixing device includes There is fixed device 1, mix driving device 2 and support device 3.

Device 1 is wherein fixed for fixed sample container to be mixed, can using well known technology such as manipulator or Person's sucker etc. preferably uses manipulator in the present embodiment, fixed mode is to be clamped by clamping jaw 101 to sample container, In order to enable manipulator can more easily grab sample container, and after the completion of mixing manipulator can more easily with Sample container is detached from, and the clamping force of manipulator is maintained at a lesser value in the present embodiment.In addition, manipulator further includes having one Baffle 102, the baffle 102 is along the top for being axially disposed within clamping jaw 101 of sample container.

Driving device 2 is mixed for driving fixed device 1 around an axis rotation, herein referred rotation can both refer to the beginning Rotation in one direction eventually, can also refer to and swing back and forth, and the present embodiment is preferably swung.In addition, fixed dress in the present embodiment The track for setting 1 swing is preferably circular arc, but it should not be considered as the limitation to the application, and the track that fixed device 1 rotates can also Think the classes circular shape such as sine curve, parabola, ellipse.The swinging center that device 1 is fixed in the present embodiment is preferably level Axle center, i.e., fixed device 1 are swung in a perpendicular.

It mixes driving device 2 and preferably uses motor, drive fixed device 1 by drive mechanisms such as synchronizing wheel, synchronous belts It is whole to swing.Certainly, driving device 2 is mixed to be also possible to can provide the power output part of torque well known to other.

Support device 3 is equipped with the supporting surface 301 for being parallel to fixed 1 rotational trajectory of device, i.e., fixed dress in the present embodiment The swinging track for setting 1 (sample container) is circular arc, then supporting surface 301 is preferably also the arc surface with same curvature, and the circle The center of circle of cambered surface is overlapped with the center of circle of arc track.Wherein, after sample container is fixed on fixed device 1, supporting surface 301 Radius should be not less than the distance in bottom end to the above-mentioned center of circle of sample container, it is preferable that the half of supporting surface 301 in the present embodiment Diameter is slightly larger than the lowermost end of sample container to the distance in the above-mentioned center of circle, i.e., has between the lowermost end of sample container and supporting surface 301 There is gap, which allows sample container more swimmingly to enter mixing position, and support device 3 is normal in this embodiment Blending process in can not be contacted with sample container, only after sample container slips just propped up by support device 3 Support.

Since most container is got loose when sample container is rocked to 0~90 ° from minimum point, therefore the top of supporting surface 301 is excellent Choosing not less than sample container from its lowest point be rotated by 90 ° upwards after position, further, in this embodiment supporting surface 301 top and sample container from its lowest point be rotated by 90 ° upwards after position it is concordant, i.e., supporting surface 301 can be considered A quarter circumference.

Preferably, the both ends of supporting surface 301 are respectively arranged with guide ramp 302, convenient for sample container can swimmingly into Enter supporting surface 301.

In addition, evenly mixing device is preferably additionally provided with shifting material driving device 4, which specifically includes Z axis driving Device 401 and X-axis driving device 402, the Z axis driving device and X-axis driving device can use well known technology such as motor-silk Bar transmission system etc..Material driving device 4 is moved for driving fixed device 1 to move along Z axis and X-direction, so that fixed device 1 can Sample container is clamped at sample storage position to move to, and is driven sample container to move to and mixed position.

Specifically, Z axis driving device 401 includes Z axis motor, Z axis screw rod and Z axis feed screw nut, and Z axis screw rod and Z axis are electric The drive shaft of machine is fixedly connected, and Z axis feed screw nut connect with Z axis wire rod thread.

X-axis driving device 402 includes X-axis bracket, X-axis motor, X-axis screw rod and X-axis feed screw nut, X-axis motor and X-axis branch Frame is fixedly connected, and X-axis screw rod is fixedly connected with the drive shaft of X-axis motor, and X-axis feed screw nut connect with X-axis wire rod thread, X-axis Bracket is fixedly connected with Z axis feed screw nut.

Driving device 2 is mixed including mixing bracket, mixing motor, driving wheel, driven wheel and synchronous belt, mixing motor and mixing Even bracket is fixedly connected, and driving wheel is fixedly connected with the drive shaft for mixing motor, synchronous belt be wound around driving wheel and driven wheel it On, it mixes bracket and is fixedly connected with X-axis feed screw nut.

Clamping jaw 101 is fixedly connected with driven wheel, with above-mentioned Z axis motor, X-axis motor, mixes motor and clamping jaw cylinder Movement can realize clamping jaw moving along the moving of Z-direction, along the x axis, rotation along the x axis and clamping jaw respectively Folding.

Mixing driving device 2 and fixed device 1 has multi-motion mode, as described in the embodiment, mixes driving device 2 X-axis driving device 402 can be first passed through with fixed device 1 to move in the X-axis direction to the lower section of support device 3, then driven by Z axis Dynamic device 401 is moved upwards along Z-direction into mixing initial position.Alternatively, being mixed in the other embodiments of the utility model Even driving device 2 can first pass through the side that Z axis driving device 401 moves to support device 3 along Z-direction with fixed device 1, so It is moved in the X-axis direction afterwards by X-axis driving device 402 into mixing initial position.

It is preferably provided for the opening that sample container passes through in support device 3, sample container can be made according to efficiency Higher path, which moves to, mixes position, to reduce support device 3 to the obstruction of sample container motion profile.Referring to Fig. 2 to figure 4, it respectively illustrates the solid that sample container in the present embodiment is rocked to respectively when mixing zero-bit, 0~45 ° and 90 ° or more and shows It is intended to.As shown in Fig. 2, since the feeding track of sample container in the present embodiment includes moving upwards from the lower section of support device 3 Until being located at the step of mixing zero-bit, in order to avoid feeding of the support device 3 to sample container causes to hinder, support device 3 exists The lowest point of the motion profile of corresponding sample container is provided with the opening passed through along the vertical direction for the sample container, In, there are many generation types of opening, such as when support device 3 has enough width, can be directly in support device 3 It is formed by way of removing material；Can also be as shown in this embodiment, the lowermost end of support device 3 is close to mixing zero-bit and untrue Just reaching the zero-bit, i.e. supporting surface 301 is slightly less than quadrant, and the lowermost end of support device 3 avoids the zero-bit and formed Opening.

Due to the presence of the opening, support device 3 actually can not (the present embodiment split shed position be mixed in aperture position Even zero-bit, the i.e. lowest point of motion profile) sample container is supported, when sample container translates or rotates to opening When position, if the relatively fixed device of sample container slips, touched may result in sample container with support device 3 It hits.For the situation shown in Fig. 2, when sample container backswing is to when mixing zero-bit, device 3 may be fixed relatively and moved downward, If sample container move downward vertically be greater than above-mentioned gap width when, sample container continue up swing if can with support fill It sets 3 to collide, in order to avoid above situation generation, the utility model is preferably additionally provided with detection device, and sample container is opposite Fixed device occurs to slip detection trigger device, in the present embodiment, (mixes zero when sample container turns to lowest point Position), and set distance is moved downward, so that the lowermost end of sample container is lower than detection trigger device after setting height, and then control System mixes driving device 2 and stops working.Detection device preferably includes the lower section that opening is arranged in, and is located at opening two sides Sender unit 501 and signal receiving device 502, detection device can also be reflective optocoupler, microswitch etc., and other are public The detection device known.

To sum up, the process for using of the present embodiment are as follows:

One, fixed device 3 clamps sample container under the driving for moving material driving device 4 with a lesser chucking power, and most It moves to eventually and mixes zero-bit (as shown in Figure 2).

Two, then mixing driving device 2 drives fixed device 3 to rotate upwards with sample container, is turning to 0-90 ° In the process, the relatively fixed device 3 of sample container is slided towards the direction far from the center of circle, the bottom of sample container and supporting surface 301 support, and supporting surface 301 is supported (as shown in Figure 3) to sample container.

Three, the sample container side of continuing up rotation, during turning to 90 ° -180 °, the relatively fixed dress of sample container It sets 3 to slide towards the direction close to the center of circle, until the top of sample container is supported with baffle 102.

Four, it is rotated backward when sample container moves to 180 °, the relatively fixed device 3 of sample container in counter rotation Movement it is identical as above-mentioned steps, that is, during turning to 180 ° -90 ° towards the center of circle direction move, turn to 90 ° -0 ° Direction movement far from the center of circle in the process.Due to the presence in gap between sample container bottom end and supporting surface 301, sample container exists It reenters more smoothly when supporting surface 301.

Five, when sample container rotate backward to mix zero-bit when, sample container is detected by detection device, if Detection device is not triggered, then repeats the above process until mixing terminates；If detection device is triggered, stop to mix behaviour Make.

In the other embodiments of the utility model, the arc length of supporting surface 301 can be according to the practical swing of sample container Track adjustment, if the highest angle that sample container is swung is no more than 90 °, the arc length of supporting surface 301 can shorten.

In the other embodiments of the utility model, if the feeding track of adjustment sample container, makes it not along vertical side To support device 3 is passed through, then above-mentioned opening that no setting is required, i.e. supporting surface can prop up sample container in lowest point Support.

In the other embodiments of the utility model, support device be can be set in the two sides for mixing zero-bit, sample container Mixing operation is carried out by swinging.

In the other embodiments of the utility model, sample container can also always with the support face contact of support device, And when the frictional force that fixed device gives sample container is less than centrifugal force, i.e., when sample container has the trend slipped, supporting surface 301 give the support force that Sample devices are in reverse to centrifugal force direction.

In the other embodiments of the utility model, the axis of rotation of fixed device can also be vertical axle center, and sample holds Device is then placed vertically, and supporting surface 301 is horizontal plane at this time, and is located at the lower section of sample container.

The invention also discloses a kind of mixing method, this method drives sample including the use of mixing driving device first The step of container is rotated, in rotary course in order to avoid sample container slippage and caused by damage, further include in sample The step of container is slipped or is supported when having slippage trend to sample container, the specific implementation of the step are settings One support device, support device is equipped with the supporting surface for being parallel to the rotational trajectory of sample container, by the supporting surface in sample Container and supporting surface give the support force that the sample container is in reverse to centrifugal force direction when mutually supporting.

Preferably, the rotation mode of sample container is to rotate around a horizontal axis, i.e., is rotated in a perpendicular. It is rapidly entered for the ease of sample container and mixes position, lowest point of the support device in the rotational trajectory of corresponding sample container It is provided with the opening passed through along the vertical direction for the sample container, is provided with detection device below opening.

The posture judgement of sample container may be implemented by above-mentioned detection device: when sample container moves to rotational trajectory When lowest point, if do not occur slip or slippage distance it is smaller, will not detection trigger device, at this time determine sample hold Device does not slip, continues to execute mixing operation；If sample container slippage distance is larger, detection trigger device is sentenced at this time Determine sample container to slip, stops executing mixing operation.

Further, when determine sample container slip, stop execute mix operate after, can also include following step It is rapid: issue information warning to prompt operator, and/or sample container restored by way of artificial or Mechanical Driven to State before slippage to continue to mix, and/or adjusts the fixation dynamics of fixed sample container, sends out when to avoid subsequent mixing Raw slippage etc..

It is illustrating for progress to be implemented to the preferable of the utility model, but the invention is not limited to the reality above Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims (13)

1. a kind of evenly mixing device, which is characterized in that including

Fixed device, the fixed device is for fixed sample container to be mixed；

Driving device is mixed, the mixing driving device is for driving the fixed device around an axis rotation；

And support device, the support device are equipped with the supporting surface for being parallel to the rotational trajectory of the fixed device.

2. evenly mixing device according to claim 1, which is characterized in that the fixed device is rotated around a horizontal axis.

3. evenly mixing device according to claim 2, which is characterized in that be provided in the support device and hold for the sample The opening that device passes through.

4. evenly mixing device according to claim 3, which is characterized in that further include detection device, when the sample container is transported It moves to the opening, and when relatively described fixed device of the sample container slides triggers the detection device.

5. evenly mixing device according to claim 4, which is characterized in that the correspondence fixed device is arranged in the opening The lowest point of rotational trajectory, the detection device include the lower section of the opening being arranged in, and be located at the opening The sender unit and signal receiving device of two sides, the sample container are moving to the opening, and the sample container Lowermost end be lower than setting height when trigger the detection device.

6. the evenly mixing device according to any one of claim 2 to 5, which is characterized in that before carrying out mixing operation, by There is gap between the lowermost end and the supporting surface of the fixed sample container of the fixed device, when the sample holds When the fixed device slips relatively in rotary course, the supporting surface and the sample container are supported to give the sample appearance device Device is in reverse to the support force in centrifugal force direction；

It is connect alternatively, being remained between the lowermost end and the supporting surface of the sample container fixed by the fixed device Touching, when the relatively described fixed device has slippage trend to the sample container in rotary course, the supporting surface gives this Sample container is in reverse to the support force in centrifugal force direction.

7. the evenly mixing device according to any one of claim 2 to 5, which is characterized in that the top of the supporting surface is not low Position after the sample container is rotated by 90 ° upwards from its lowest point.

8. evenly mixing device according to any one of claim 1 to 5, which is characterized in that distinguish at the both ends of the supporting surface It is provided with guide ramp.

9. evenly mixing device according to claim 1, which is characterized in that

The mixing driving device and fixed device can be moved in the X-axis direction first to the lower section of the support device, then along Z axis Direction is moved into mixing initial position；

Alternatively, the driving device and fixed device of mixing can first move to the side of the support device along Z-direction, then It moves in the X-axis direction into mixing initial position.

10. evenly mixing device according to claim 9, which is characterized in that further include driving the fixed device, mixing driving The X-axis driving device that device moves in the X-axis direction, and the driving fixed device, mixing driving device, X-axis driving device The Z axis driving device moved along Z axis.

11. evenly mixing device according to claim 10, which is characterized in that

The Z axis driving device includes Z axis motor, Z axis screw rod and Z axis feed screw nut, the Z axis screw rod and the Z axis motor Drive shaft be fixedly connected, the Z axis feed screw nut connect with Z axis wire rod thread；

The X-axis driving device includes X-axis bracket, X-axis motor, X-axis screw rod and X-axis feed screw nut, the X-axis motor and X-axis Bracket is fixedly connected, and the X-axis screw rod is fixedly connected with the drive shaft of the X-axis motor, the X-axis feed screw nut and X-axis silk Bar is threadedly coupled, and the X-axis bracket is fixedly connected with the Z axis feed screw nut；

The mixing driving device includes mixing bracket, mixing motor, driving wheel, driven wheel and synchronous belt, the mixing motor It is fixedly connected with bracket is mixed, the driving wheel is fixedly connected with the drive shaft for mixing motor, and the synchronous belt is wound around On the driving wheel and driven wheel, the mixing bracket is fixedly connected with the X-axis feed screw nut；

The fixed device is clamping jaw, and the clamping jaw is fixedly connected with the driven wheel.

12. evenly mixing device according to claim 1, which is characterized in that the fixed device is rotated around a vertical axle center.

13. a kind of analyzer, which is characterized in that including evenly mixing device described in any one of claims 1 to 12.