CN202093033U - Full-automatic three-dimensional precise positioning movement sample injector - Google Patents
Full-automatic three-dimensional precise positioning movement sample injector Download PDFInfo
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- CN202093033U CN202093033U CN2011201744792U CN201120174479U CN202093033U CN 202093033 U CN202093033 U CN 202093033U CN 2011201744792 U CN2011201744792 U CN 2011201744792U CN 201120174479 U CN201120174479 U CN 201120174479U CN 202093033 U CN202093033 U CN 202093033U
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Abstract
The utility model provides a full-automatic three-dimensional precise positioning movement sample injector which comprises a Y-axis movement assembly, an X-axis movement assembly, a Z-axis movement assembly and a pallet, wherein the Y-axis movement assembly comprises a Y-axis movement base, a Y-axis left guiderail, a Y-axis left guiderail slider, a Y-axis right guiderail, a Y-axis right guiderail slider and a Y-axis driving mechanism, wherein the Y-axis left guiderail and the Y-axis right guiderail are connected with the Y-axis movement base, and the Y-axis left guiderail is connected with the Y-axis driving mechanism. The X-axis movement assembly and the Z-axis movement assembly respectively comprise a movement base, a guide rail and a guide rail slider and a driving mechanism correspondingly. The X-axis movement base is suspended on the Y-axis movement base by connecting the Y-axis left guiderail slider and the Y-axis right guiderail slider, the Z-axis movement base is suspended on the X-axis movement base by connecting the X-axis guiderail slider, and the pallet is connected with the Z-axis guiderail slider. The full-automatic three-dimensional precise positioning movement sample injector has the advantages of small occupation space, high positioning precision, stable performance and safe operation, and can be applied in accurately positioning sample injector devices of analytical instruments in the fields of medical treatment and public health, biological engineering, chemical pharmacy, chemical analysis and the like.
Description
Technical field
The utility model 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 the utility model device is 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 method for designing design three-dimensional motion sampling device, and principal feature is respectively to tie up motion by upwards stack of bottom, 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, it is injured easily when operating personnel operate, if add protective device, the sampling device reliability reduces, and volume increases, be unfavorable for analytical instrument miniaturization development, be unfavorable for that also the analytical instrument reliability improves.Most of superposing type sampling device connects motor output shaft and leading screw by synchronous pulley, though connecting mode can conserve space like this, but 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.
The utility model content
The purpose of this utility model 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.
The full-automatic three-dimensional precision positioning campaign injector that the utility model provides, comprise Y-axis motion assembly, X-axis motion assembly, Z axle motion assembly and pallet, wherein, described Y-axis motion assembly comprises Y-axis moving base, Y-axis left rail, Y-axis left rail slide block, the right guide rail of Y-axis, the right guide rail slide block of Y-axis and Y-axis driving mechanism, described Y-axis left rail is connected described Y-axis moving base with the right guide rail of Y-axis, and described Y-axis left rail connects described Y-axis driving mechanism; Described X-axis motion assembly comprises X-axis moving base, X-axis guide rail, X-axis guide rail slide block and X-axis driving mechanism, described X-axis moving base hangs on the described Y-axis moving base by connecting the right guide rail slide block of Y-axis left rail slide block and Y-axis, and the two ends of described X-axis guide rail connect described X-axis moving base and described X-axis driving mechanism respectively; Described Z axle motion assembly comprises Z axle moving base, Z axis rail, Z axis rail slide block and Z axle driving mechanism, described Z axle moving base hangs on the X-axis moving base by connecting described X-axis guide rail slide block, and the two ends of described Z axis rail connect described Z axle moving base and described Z axle driving mechanism respectively; Described pallet connects described Z axis rail slide block.
Preferably, described Y-axis driving mechanism, described X-axis driving mechanism and described Z axle driving mechanism all are the motor-driven mechanism of screw mandrel transmission.
Preferably, described Y-axis motion assembly, described X-axis motion assembly and described Z axle motion assembly also all comprise the sensing locating device, and described sensing locating device comprises the photoelectric sensor catch of a photoelectric sensor and an end of the motion path that is positioned at described photoelectric sensor.
The photoelectric sensor of the sensing locating device of described Y-axis motion assembly can be arranged on the external part of the right guide rail of described Y-axis.
Preferably, the upper surface of described pallet is provided with the conical round platform that is used to calibrate described tray position.
Preferably, described Y-axis moving base is to have the inner space and upper surface has uncovered box like structure, described X-axis moving base is positioned at the inner space of described Y-axis moving base, all or part of of described Z axle moving base is positioned at the inner space of described Y-axis moving base, and described pallet is positioned on the upper surface of described Y-axis moving base.
Four sides of described Y-axis 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 described Y-axis driving mechanism, described X-axis driving mechanism and described Z axle driving mechanism movement instruction.
That the full-automatic three-dimensional precision positioning campaign injector that the utility model provides 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-axis 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-axis motion assembly, X-axis motion assembly, Z axle motion assembly, pallet.Y-axis motion assembly is made up of Y-axis moving base 4, y-axis motor 5, Y-axis leading screw 6, Y-axis left rail 7, Y-axis left rail slide block 8, the right guide rail 15 of Y-axis, the right guide rail slide block 12 of Y-axis, Y-axis nut 9, Y-axis photoelectric sensor 14, Y-axis photoelectric sensor catch 13.X-axis motion assembly is made up of X-axis 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.
The motion assembly all adopts the Chinese character pin-shaped independently moving cell that is combined to form, and Y-axis motion assembly forms Chinese character pin-shaped by Y-axis leading screw 6, Y-axis left rail 7, the right guide rail 15 of Y-axis.Y-axis motor 5 is drive motor, and y-axis motor 5 drives Y-axis leading screw 6 and rotates, and Y-axis leading screw 6 drives Y-axis nut 9 rectilinear motions, and the right guide rail 15 of right guide rail slide block 12 of Y-axis left rail slide block 8 and Y-axis left rail 7 and Y-axis and Y-axis is determined Y-axis direction of motion.Y-axis machinery anticollision boss 18 is when preventing that Y-axis motion assembly from running to end, and Y-axis nut 9 collision Y-axis moving bases 4 prevent that Y-axis nut 9 is damaged because of collision.Y-axis photoelectric sensor 14 and Y-axis photoelectric sensor catch 13 are determined Y-axis motion initial point, and X-axis photoelectric sensor 17 and X-axis photoelectric sensor catch 16 are determined X-axis motion initial point, and Z axis photoelectric sensor 10 and Z axis photoelectric sensor catch 19 are determined Z axle motion initial point.
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 determine the locus of pallet.Determine 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 by control circuit operation pallet 1.When calibration point 11 aligned position point M, just determined the locus of pallet, thereby determined 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.
Be defined as follows the motion title:
Advance and retreat: along the rectilinear motion of Y-axis, be called along moving of Y-axis forward and advance, retreat otherwise be called.
Sidesway: along the rectilinear motion of X-axis, be called along moving of X-axis forward and move to right, move to left otherwise be called.
Lifting:, 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 determined Y-axis motion initial point by Y-axis photoelectric sensor 14 and Y-axis photoelectric sensor catch 13, X-axis photoelectric sensor 17 and X-axis photoelectric sensor catch 16 are determined X-axis motion initial point, and Z axis photoelectric sensor 10 and Z axis photoelectric sensor catch 19 are determined Z axle motion initial point.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 as follows: at first Z axle motion assembly motion, pallet 1 descends, when making Z axis photoelectric sensor 10, Z axis photoelectric sensor catch 19 produces induction, 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-axis 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-axis motion assembly is slightly adjusted back, the X-axis stop motion.At last, Y-axis motion assembly retreats, 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-axis motion assembly is slightly adjusted back, the Y-axis stop motion; 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 entered the life's work stage.Because full-automatic three-dimensional precision positioning campaign injector is when making zero in the space, determined 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 as follows: according to the needs of current task, pallet 1 need run to a certain position in space, full-automatic three-dimensional precision positioning campaign injector passes through space coordinate conversion, calculate full-automatic three-dimensional precision positioning campaign injector and reach the distance that this position needs from initial point, to the instruction that motor sends operating index, move smoothly according to certain logic.
The above embodiment only is a preferred embodiment of the present utility model; the utility model is not limited to the foregoing description; for persons skilled in the art; the any conspicuous change of under the prerequisite that does not deviate from the utility model principle it being done all belongs to the protection domain of design of the present utility model and claims.
Claims (8)
1. full-automatic three-dimensional precision positioning campaign injector, comprise Y-axis motion assembly, X-axis motion assembly, Z axle motion assembly and pallet, it is characterized in that, described Y-axis motion assembly comprises Y-axis moving base, Y-axis left rail, Y-axis left rail slide block, the right guide rail of Y-axis, the right guide rail slide block of Y-axis and Y-axis driving mechanism, described Y-axis left rail is connected described Y-axis moving base with the right guide rail of Y-axis, and described Y-axis left rail connects described Y-axis driving mechanism; Described X-axis motion assembly comprises X-axis moving base, X-axis guide rail, X-axis guide rail slide block and X-axis driving mechanism, described X-axis moving base hangs on the described Y-axis moving base by connecting the right guide rail slide block of Y-axis left rail slide block and Y-axis, and the two ends of described X-axis guide rail connect described X-axis moving base and described X-axis driving mechanism respectively; Described Z axle motion assembly comprises Z axle moving base, Z axis rail, Z axis rail slide block and Z axle driving mechanism, described Z axle moving base hangs on the X-axis moving base by connecting described X-axis guide rail slide block, and the two ends of described Z axis rail connect described Z axle moving base and described Z axle driving mechanism respectively; Described pallet connects described Z axis rail slide block.
2. full-automatic three-dimensional precision positioning campaign injector according to claim 1 is characterized in that, described Y-axis driving mechanism, described X-axis driving mechanism and described 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, described Y-axis motion assembly, described X-axis motion assembly and described Z axle motion assembly also all comprise the sensing locating device, and described sensing locating device comprises the photoelectric sensor catch of a photoelectric sensor and an end of the motion path that is positioned at described 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 described Y-axis motion assembly is arranged on the external part of the right guide rail of described Y-axis.
5. full-automatic three-dimensional precision positioning campaign injector according to claim 1 is characterized in that the upper surface of described pallet is provided with the conical round platform that is used to calibrate described tray position.
6. full-automatic three-dimensional precision positioning campaign injector according to claim 1, it is characterized in that, described Y-axis moving base is to have the inner space and upper surface has uncovered box like structure, described X-axis moving base is positioned at the inner space of described Y-axis moving base, all or part of of described Z axle moving base is positioned at the inner space of described Y-axis moving base, and described pallet is positioned on the upper surface of described Y-axis moving base.
7. full-automatic three-dimensional precision positioning campaign injector according to claim 6 is characterized in that four sides of described Y-axis 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 described Y-axis driving mechanism, described X-axis driving mechanism and described Z axle driving mechanism movement instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201744792U CN202093033U (en) | 2011-05-27 | 2011-05-27 | Full-automatic three-dimensional precise positioning movement sample injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201744792U CN202093033U (en) | 2011-05-27 | 2011-05-27 | Full-automatic three-dimensional precise positioning movement sample injector |
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| CN202093033U true CN202093033U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201744792U Expired - Fee Related CN202093033U (en) | 2011-05-27 | 2011-05-27 | Full-automatic three-dimensional precise positioning movement sample injector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323432A (en) * | 2011-05-27 | 2012-01-18 | 公安部第一研究所 | Full-automatic three-dimensional precision positioning motion sample injector |
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2011
- 2011-05-27 CN CN2011201744792U patent/CN202093033U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323432A (en) * | 2011-05-27 | 2012-01-18 | 公安部第一研究所 | Full-automatic three-dimensional precision positioning motion sample injector |
| CN102323432B (en) * | 2011-05-27 | 2013-10-02 | 公安部第一研究所 | Full-automatic three-dimensional precision positioning motion sample injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140527 |