CN102323432A - Full-automatic three-dimensional precision positioning motion sample injector - Google Patents
Full-automatic three-dimensional precision positioning motion sample injector Download PDFInfo
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- CN102323432A CN102323432A CN201110141755A CN201110141755A CN102323432A CN 102323432 A CN102323432 A CN 102323432A CN 201110141755 A CN201110141755 A CN 201110141755A CN 201110141755 A CN201110141755 A CN 201110141755A CN 102323432 A CN102323432 A CN 102323432A
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Abstract
The invention provides a full-automatic three-dimensional precision positioning motion sample injector which comprises a Y-axis movement assembly, an X-axis movement assembly, a Z-axis movement assembly and a tray, wherein the Y-axis movement assembly comprises a Y-axis movement base, a Y-axis left guide rail, a Y-axis left guide rail slider, a Y-axis right guide rail, a Y-axis right guide rail slider and a Y-axis drive mechanism; the Y-axis left guide rail and the Y-axis right guide rail are connected with the Y-axis movement base; and the Y-axis left guide rail is connected with the Y-axis drive mechanism. The X-axis movement assembly and the Z-axis movement assembly comprise corresponding movement bases, guide rails, guide rail sliders and drive mechanisms. The X-axis movement base is suspended on the Y-axis movement base through connecting the Y-axis left guide rail slider and the Y-axis right guide rail slider, the Z-axis movement base is suspended on the X-axis movement base through connecting the X-axis guide rail slider, and the tray is connected with the Z-axis guide rail slider. The full-automatic three-dimensional precision positioning motion sample injector has the advantages of small occupation space, high position precision, stable performance and safety in operation, and can be applied to the accurate positioning of a sample injector device of analytical instruments in the fields such as medical treatment and public health, biological engineering, chemical pharmacy, chemical engineering analysis and the like.
Description
Technical field
The present invention relates to a kind of full-automatic three-dimensional precision positioning campaign injector that is widely used in the analytical instrument hi-Fix, can be applicable to fields such as health care, bioengineering, chemical pharmacy, chemical analysis.The sample of many analytical instrument all needs on a large scale, full-automatic sample introduction, needs the accurate positioning of injector device, and space hold is few, and above field is the main occasion that apparatus of the present invention are used.
Background technology
Sample feeding device at field widespread use high precision such as biology, chemistry, medical treatment, full-automatic sample introduction carries out sample introduction.At present, most of instruments adopt superposing type designing method three-dimensional motion sampling device, and principal feature is respectively to tie up motion by upwards stack of bottom, and this sampling device is simple in structure; But it is big to take the instrument space, and all motions all are open, is damaged easily; Injured easily when operating personnel operate, if add protective device, the sampling device reliability reduces; Volume increases, and is unfavorable for analytical instrument miniaturization development, is unfavorable for that also the analytical instrument reliability improves.Most of superposing type sampling device connects motor output shaft and leading screw through synchronous pulley; Though connecting mode can conserve space like this, the bearing accuracy of band is low synchronously, and along with prolong service time; Band is loosening easily synchronously; Bearing accuracy further reduces, and this causes to seriously influence to requiring the analytical instrument performance of high position precision.
Summary of the invention
The purpose of this invention is to provide a kind of take up room little, bearing accuracy is high, the full-automatic three-dimensional precision positioning campaign injector of stable performance, handling safety.
Full-automatic three-dimensional precision positioning campaign injector provided by the invention; Comprise Y axle motion assembly, X axle motion assembly, Z axle motion assembly and pallet; Wherein, Said Y axle motion assembly comprises Y axle moving base, Y axle left rail, Y axle left rail slide block, the right guide rail of Y axle, the right guide rail slide block of Y axle and Y axle driving mechanism, and said Y axle left rail is connected said Y axle moving base with the right guide rail of Y axle, and said Y axle left rail connects said Y axle driving mechanism; Said X axle motion assembly comprises X axle moving base, X axis rail, X axis rail slide block and X axle driving mechanism; Said X axle moving base hangs on the said Y axle moving base through connecting the right guide rail slide block of Y axle left rail slide block and Y axle, and the two ends of said X axis rail connect said X axle moving base and said X axle driving mechanism respectively; Said Z axle motion assembly comprises Z axle moving base, Z axis rail, Z axis rail slide block and Z axle driving mechanism; Said Z axle moving base hangs on the X axle moving base through connecting said X axis rail slide block, and the two ends of said Z axis rail connect said Z axle moving base and said Z axle driving mechanism respectively; Said pallet connects said Z axis rail slide block.
Preferably, said Y axle driving mechanism, said X axle driving mechanism and said Z axle driving mechanism all are the motor-driven mechanism of screw mandrel transmission.
Preferably; Said Y axle motion assembly, said X axle motion assembly and said Z axle motion assembly also all comprise the sensing locating device, and said sensing locating device comprises the photoelectric sensor catch of a photoelectric sensor and an end of the motion path that is positioned at said photoelectric sensor.
The photoelectric sensor of the sensing locating device of said Y axle motion assembly can be arranged on the external part of the right guide rail of said Y axle.
Preferably, the upper surface of said pallet is provided with the conical round platform that is used to calibrate said tray position.
Preferably; Said Y axle moving base is to have the inner space and upper surface has uncovered box like structure; Said X axle moving base is positioned at the inner space of said Y axle moving base; All or part of of said Z axle moving base is positioned at the inner space of said Y axle moving base, and said pallet is positioned on the upper surface of said Y axle moving base.
Four sides of said Y axle moving base can have uncovered.
Preferably, this full-automatic three-dimensional precision positioning campaign injector also comprises the host computer that is used for providing to said Y axle driving mechanism, said X axle driving mechanism and said Z axle driving mechanism movement instruction.
That full-automatic three-dimensional precision positioning campaign injector provided by the invention takes up room is little, bearing accuracy is high, stable performance, handling safety.
Description of drawings
Fig. 1 is the whole schematic three dimensional views of full-automatic three-dimensional precision positioning campaign injector;
Fig. 2 is the whole schematic three dimensional views of the full-automatic three-dimensional precision positioning campaign injector behind the removal Y axle moving base 4;
Among the figure: the 1-pallet; 2-Z axle moving base; 3-X axle moving base; 4-Y axle moving base; The 5-Y spindle motor; 6-Y axial filament thick stick; 7-Y axle left rail; 8-Y axle left rail slide block; The 9-Y spindle nut; The 10-Z axis photoelectric sensor; The 11-calibration point; The right guide rail slide block of 12-Y axle; 13-Y axis photoelectric sensor catch; The 14-Y axis photoelectric sensor; The right guide rail of 15-Y axle; 16-X axis photoelectric sensor catch; The 17-X axis photoelectric sensor; 18-Y shaft mechanical anticollision boss; 19-Z axis photoelectric sensor catch.
Embodiment
As depicted in figs. 1 and 2, this full-automatic three-dimensional precision positioning campaign injector is made up of Y axle motion assembly, X axle motion assembly, Z axle motion assembly, pallet.Y axle motion assembly is made up of Y axle moving base 4, y-axis motor 5, Y axial filament thick stick 6, Y axle left rail 7, Y axle left rail slide block 8, the right guide rail 15 of Y axle, Y axle right side guide rail slide block 12, Y spindle nut 9, Y axis photoelectric sensor 14, Y axis photoelectric sensor catch 13.X axle motion assembly is made up of X axle moving base 3 and corresponding motor, leading screw, guide rail, guide rail slide block, X axis photoelectric sensor 17, X axis photoelectric sensor catch 16.Z axle motion assembly is made up of Z axle moving base 2 and corresponding motor, leading screw, guide rail, guide rail slide block, Z axis photoelectric sensor 10, Z axis photoelectric sensor catch 19.
X axle moving base 3 hangs on the Y axle moving base with guide rail slide block 12 through guide rail 7 and guide rail slide block 8 and guide rail 15.In like manner, Z axle moving base 2 hangs on the X axle moving base through respective track and guide rail slide block; Pallet 1 is connected on the Z axle moving base through respective track and guide rail slide block.Through the design of this suspended structure, can effectively utilize the lower space of X axle moving base in Z-direction, increase the movement travel of Z axle.
The motion assembly all adopts the Chinese character pin-shaped independent motion unit that is combined to form, and Y axle motion assembly forms Chinese character pin-shaped by Y axial filament thick stick 6, Y axle left rail 7, the right guide rail 15 of Y axle.Y-axis motor 5 is drive motor, and y-axis motor 5 drives Y axial filament thick stick 6 and rotates, and Y axial filament thick stick 6 drives Y spindle nut 9 rectilinear motions, and Y axle left rail slide block 8 is confirmed Y axle direction of motion with Y axle left rail 7 and the right guide rail slide block 12 of Y axle with the right guide rail 15 of Y axle.Y shaft mechanical anticollision boss 18 is when preventing that Y axle motion assembly from running to end, and Y spindle nut 9 collision Y axle moving bases 4 prevent that Y spindle nut 9 is damaged because of collision.Y axis photoelectric sensor 14 is confirmed Y axle motion initial point with Y axis photoelectric sensor catch 13, and X axis photoelectric sensor 17 is confirmed X axle motion initial point with X axis photoelectric sensor catch 16, and Z axis photoelectric sensor 10 is confirmed Z axle motion initial point with Z axis photoelectric sensor catch 19.
The calibration point 11 of full-automatic three-dimensional precision positioning campaign injector is a conical round platform at pallet 1 upper surface.After full-automatic three-dimensional precision positioning campaign injector assembles,, need do the position correction of full-automatic three-dimensional precision positioning campaign injector in order in instrument, to confirm the locus of pallet.Confirm the location point M of a known coordinate in instrument internal, carry out the space three-dimensional motion, make calibration point 11 aligned position point M through control circuit operation pallet 1.When calibration point 11 aligned position point M, just confirmed the locus of pallet, thereby confirmed on the pallet sample, thereby reached the purpose of accurate sample introduction in the locus of instrument internal in instrument internal.
Further specify the method for operation of this full-automatic three-dimensional precision positioning campaign injector below in conjunction with accompanying drawing.Define X, Y, Z direction that three directions shown in Figure 1 are full-automatic three-dimensional precision positioning campaign injector.
Define following motion title:
Advance and retreat:,, retreat otherwise be called along the moving to be called and advance of Y axle forward along the rectilinear motion of Y axle.
Sidesway:,, move to left otherwise be called along the moving to be called and move to right of X axle forward along the rectilinear motion of X axle.
Go up and down:, be called rising along moving of z axle forward, otherwise be called decline along the rectilinear motion of z axle.
Full-automatic three-dimensional precision positioning campaign injector is confirmed Y axle motion initial point through Y axis photoelectric sensor 14 and Y axis photoelectric sensor catch 13; X axis photoelectric sensor 17 is confirmed X axle motion initial point with X axis photoelectric sensor catch 16, and Z axis photoelectric sensor 10 is confirmed Z axle motion initial point with Z axis photoelectric sensor catch 19.According to the needs of current task, to move smoothly according to certain logic, the method for operation is divided into two stages:
(1), makes zero the stage.Full-automatic three-dimensional precision positioning campaign injector is after starting working; Full-automatic three-dimensional precision positioning campaign injector at first moves to the position of three photoelectric sensors; Be the zero-bit of motion control space coordinates, set up the coordinate at zero point of full-automatic three-dimensional precision positioning campaign injector pallet here.Motion process is following: at first Z axle motion assembly motion; Pallet 1 descends, and produces induction when Z axis photoelectric sensor catch 19 makes Z axis photoelectric sensor 10, and Z axis photoelectric sensor 10 sends signal; Z axle motion assembly is slightly adjusted back; Make Z axis photoelectric sensor catch 19 leave the slit of Z axis photoelectric sensor 10, avoid Z axis photoelectric sensor 10 to work all the time, the stop motion of Z axle.X axle motion assembly moves to left then, makes pallet 1 move to the left side in space, produces induction when X axis photoelectric sensor catch 16 makes X axis photoelectric sensor 17, and X axis photoelectric sensor 17 sends signal, and X axle motion assembly is slightly adjusted back, the stop motion of X axle.At last, Y axle motion assembly is retreated, and makes pallet 1 move to the space outerpace position, produces induction when Y axis photoelectric sensor catch 13 makes Y axis photoelectric sensor 14, and Y axis photoelectric sensor 14 sends signal, and Y axle motion assembly is slightly adjusted back, the stop motion of Y axle; The stage of making zero finishes.
Position when full-automatic three-dimensional precision positioning campaign injector finished with the stage of making zero is as initial position; Set up fixing coordinate system for carrying out later motion; When needs move to the target location; Only need calculate the three dimensions distance that arrives destination locations from initial position, just can assign instruction, make tray motion arrive destination locations to motor.
Above X, Y, three directions of Z are moved independent mutually, and promptly in the time of a direction setting in motion, other direction all keeps not motion state.
(2), working stage.After Radix Angelicae Sinensis zeroth order section finished, full-automatic three-dimensional precision positioning campaign injector got into the life's work stage.Because full-automatic three-dimensional precision positioning campaign injector is when making zero in the space; Confirmed the locus of pallet 1, so full-automatic three-dimensional precision positioning campaign injector only needs host computer to provide movement instruction, just can be according to predetermined motion path planning motion; Motion process is following: according to the needs of current task; Pallet 1 need run to a certain position in space, and full-automatic three-dimensional precision positioning campaign injector calculates full-automatic three-dimensional precision positioning campaign injector and reaches the distance that this position needs from initial point through space coordinate conversion; To the instruction that motor sends operating index, move smoothly according to certain logic.
The above embodiment is merely the preferred embodiments of the present invention; The invention is not restricted to the foregoing description; For persons skilled in the art; Any conspicuous change of under the prerequisite that does not deviate from the principle of the invention, it being done all belongs to the protection domain of design of the present invention and accompanying claims.
Claims (8)
1. full-automatic three-dimensional precision positioning campaign injector; Comprise Y axle motion assembly, X axle motion assembly, Z axle motion assembly and pallet; It is characterized in that; Said Y axle motion assembly comprises Y axle moving base, Y axle left rail, Y axle left rail slide block, the right guide rail of Y axle, the right guide rail slide block of Y axle and Y axle driving mechanism, and said Y axle left rail is connected said Y axle moving base with the right guide rail of Y axle, and said Y axle left rail connects said Y axle driving mechanism; Said X axle motion assembly comprises X axle moving base, X axis rail, X axis rail slide block and X axle driving mechanism; Said X axle moving base hangs on the said Y axle moving base through connecting the right guide rail slide block of Y axle left rail slide block and Y axle, and the two ends of said X axis rail connect said X axle moving base and said X axle driving mechanism respectively; Said Z axle motion assembly comprises Z axle moving base, Z axis rail, Z axis rail slide block and Z axle driving mechanism; Said Z axle moving base hangs on the X axle moving base through connecting said X axis rail slide block, and the two ends of said Z axis rail connect said Z axle moving base and said Z axle driving mechanism respectively; Said pallet connects said Z axis rail slide block.
2. full-automatic three-dimensional precision positioning campaign injector according to claim 1 is characterized in that, said Y axle driving mechanism, said X axle driving mechanism and said Z axle driving mechanism all are the motor-driven mechanism of screw mandrel transmission.
3. full-automatic three-dimensional precision positioning campaign injector according to claim 1; It is characterized in that; Said Y axle motion assembly, said X axle motion assembly and said Z axle motion assembly also all comprise the sensing locating device, and said sensing locating device comprises the photoelectric sensor catch of a photoelectric sensor and an end of the motion path that is positioned at said photoelectric sensor.
4. full-automatic three-dimensional precision positioning campaign injector according to claim 3 is characterized in that, the photoelectric sensor of the sensing locating device of said Y axle motion assembly is arranged on the external part of the right guide rail of said Y axle.
5. full-automatic three-dimensional precision positioning campaign injector according to claim 1 is characterized in that the upper surface of said pallet is provided with the conical round platform that is used to calibrate said tray position.
6. full-automatic three-dimensional precision positioning campaign injector according to claim 1; It is characterized in that; Said Y axle moving base is to have the inner space and upper surface has uncovered box like structure; Said X axle moving base is positioned at the inner space of said Y axle moving base, and all or part of of said Z axle moving base is positioned at the inner space of said Y axle moving base, and said pallet is positioned on the upper surface of said Y axle moving base.
7. full-automatic three-dimensional precision positioning campaign injector according to claim 6 is characterized in that four sides of said Y axle moving base all have uncovered.
8. full-automatic three-dimensional precision positioning campaign injector according to claim 1; It is characterized in that this full-automatic three-dimensional precision positioning campaign injector also comprises the host computer that is used for providing to said Y axle driving mechanism, said X axle driving mechanism and said Z axle driving mechanism movement instruction.
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| CN 201110141755 CN102323432B (en) | 2011-05-27 | 2011-05-27 | Full-automatic three-dimensional precision positioning motion sample injector |
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| CN 201110141755 CN102323432B (en) | 2011-05-27 | 2011-05-27 | Full-automatic three-dimensional precision positioning motion sample injector |
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Cited By (9)
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| CN102680722A (en) * | 2012-05-03 | 2012-09-19 | 苏州生物医学工程技术研究所 | Automatic sample introduction device |
| CN106197276A (en) * | 2016-07-27 | 2016-12-07 | 重庆大学 | The coarse-fine collaborative alignment device of automatic measuring platform initial point and method |
| CN106645523A (en) * | 2016-12-21 | 2017-05-10 | 浙江福立分析仪器股份有限公司 | Automatic sampler and sampling method thereof |
| US9964944B2 (en) | 2014-05-15 | 2018-05-08 | Hurco Companies, Inc. | Material processing unit controlled by rotation |
| CN110333362A (en) * | 2019-08-07 | 2019-10-15 | 西安天隆科技有限公司 | It is a kind of miniaturization, fully automatic liquid work station |
| CN110538680A (en) * | 2019-08-19 | 2019-12-06 | 昆山汇先医药技术有限公司 | Micro-fluidic sample processing equipment |
| US11086296B2 (en) | 2018-01-04 | 2021-08-10 | Hurco Companies, Inc. | Additive manufacturing tool |
| CN114252542A (en) * | 2021-11-19 | 2022-03-29 | 贵阳学院 | Universal gas chromatography sample injector |
| CN115825352A (en) * | 2022-12-09 | 2023-03-21 | 南京博克纳自动化系统有限公司 | Flaw detection equipment |
Families Citing this family (1)
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| CN104316711B (en) * | 2014-10-14 | 2015-12-30 | 安徽皖仪科技股份有限公司 | A kind of modified puncture automatic sampling apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102680722A (en) * | 2012-05-03 | 2012-09-19 | 苏州生物医学工程技术研究所 | Automatic sample introduction device |
| US10864674B2 (en) | 2014-05-15 | 2020-12-15 | Hurco Companies, Inc. | Material processing unit controlled by rotation |
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| US11086296B2 (en) | 2018-01-04 | 2021-08-10 | Hurco Companies, Inc. | Additive manufacturing tool |
| CN110333362A (en) * | 2019-08-07 | 2019-10-15 | 西安天隆科技有限公司 | It is a kind of miniaturization, fully automatic liquid work station |
| CN110538680A (en) * | 2019-08-19 | 2019-12-06 | 昆山汇先医药技术有限公司 | Micro-fluidic sample processing equipment |
| CN114252542A (en) * | 2021-11-19 | 2022-03-29 | 贵阳学院 | Universal gas chromatography sample injector |
| CN115825352A (en) * | 2022-12-09 | 2023-03-21 | 南京博克纳自动化系统有限公司 | Flaw detection equipment |
| CN115825352B (en) * | 2022-12-09 | 2024-03-26 | 南京博克纳自动化系统有限公司 | Flaw detection equipment |
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