CN220351072U - Full-automatic headspace sampler sample transfer device - Google Patents
Full-automatic headspace sampler sample transfer device Download PDFInfo
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- CN220351072U CN220351072U CN202321220574.0U CN202321220574U CN220351072U CN 220351072 U CN220351072 U CN 220351072U CN 202321220574 U CN202321220574 U CN 202321220574U CN 220351072 U CN220351072 U CN 220351072U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 107
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a sample transfer device of a full-automatic headspace sampler, which comprises a sample bin for placing a plurality of sample bottles, and further comprises: the axial displacement device comprises an X-axis displacement device, a Y-axis displacement device and a Z-axis displacement device which are connected with each other, and a control device for controlling the X-axis displacement device, the Y-axis displacement device and the Z-axis displacement device; the vacuum chuck is arranged in the Z-axis displacement device and is used for adsorbing the sample bottle; and an XY axis connecting piece is connected between the X axis displacement device and the Y axis displacement device, and a YZ axis connecting piece is connected between the Y axis displacement device and the Z axis displacement device. The utility model provides a full-automatic headspace sampler sample transfer device, which not only reduces the use cost and increases the stability of a laboratory air source, but also solves the problem of sample bottle pollution.
Description
Technical Field
The utility model relates to the technical field of sample transfer of headspace samplers, in particular to a full-automatic sample transfer device of a headspace sampler.
Background
Most of sample feeding discs of the current headspace sampler use a circular turntable, a transfer module adopts a pneumatic clamping jaw or a magnetic attraction to grab samples, most of current instruments adopt a circular sample feeding disc mode, the sample storage capacity of the circular sample feeding disc is limited, and if the storage capacity needs to be increased, the sample feeding disc needs to be enlarged, so that the space utilization rate of the circular sample feeding disc is low;
and the prior instrument is used for grabbing the sample bottle, two solutions are mostly adopted:
the first is that the pneumatic clamping jaw grabs the sample bottle, and the disadvantage of this mode is that the pneumatic clamping jaw needs the air supply, however, the air supply of laboratory is mainly nitrogen, and the adoption of the pneumatic clamping jaw can cause the waste of nitrogen and increase the instability of the laboratory air supply.
The second is to suck the sample bottle by adopting a magnetic attraction scheme, and the mode has the defects that when the sample bottle is placed, the magnetic force of the magnet always exists and cannot be eliminated, the magnet can only be horizontally displaced relative to the sample bottle, the magnet is forcedly separated from the sample bottle, when the magnet is separated from the sample bottle each time, the magnet and an iron bottle cap on the sample bottle can generate friction, and scrap iron is easy to pollute the sample bottle.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sample transfer device of a full-automatic headspace sampler, which aims to solve the problems that the prior instrument can cause waste of nitrogen, increase instability of a laboratory air source and pollute a sample bottle when grabbing the sample bottle.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a full-automatic headspace sampler sample transfer device, includes the sample storehouse that is used for placing a plurality of sample bottle, still includes:
the axial displacement device comprises an X-axis displacement device, a Y-axis displacement device and a Z-axis displacement device which are connected with each other, and a control device for controlling the X-axis displacement device, the Y-axis displacement device and the Z-axis displacement device;
the vacuum chuck is arranged in the Z-axis displacement device and is used for adsorbing the sample bottle;
and an XY axis connecting piece is connected between the X axis displacement device and the Y axis displacement device, and a YZ axis connecting piece is connected between the Y axis displacement device and the Z axis displacement device.
Preferably, the control device comprises a sensor device and a computer.
Preferably, the Z-axis displacement device includes: the device comprises a fixed frame, a movable frame, a screw, a Z-axis sensor baffle, a Z-axis sensor, a Z-axis motor, a vacuum pump air pipe, a vacuum chuck sensor and a vacuum chuck sensor baffle;
a Z-axis motor is fixed at the top of the fixed frame, a screw rod penetrating through the movable frame is fixed on an output shaft of the Z-axis motor, and the movable frame can slide along the fixed frame;
the side face of the fixed frame is fixed with a Z-axis sensor, and the side face of the movable frame is provided with a vacuum pump, a vacuum pump air pipe, a vacuum chuck sensor baffle and a vacuum chuck;
the vacuum pump is communicated with the vacuum sucker through a vacuum pump air pipe, the vacuum sucker sensor baffle is connected with the vacuum sucker, and the vacuum sucker is elastically connected with the movable frame in a manner of sliding up and down.
Preferably, the X-axis displacement device is provided with an X-axis motor, an X-axis starting point sensor, an X-axis sensor baffle and an X-axis end point sensor, and all the components are fixed on the X-axis displacement device through fasteners;
the X-axis motor is fixedly connected with the X-axis displacement device, the output shaft of the X-axis motor is fixedly provided with a threaded rod penetrating through the XY-axis connecting piece, and the threaded rod is in threaded connection with the XY-axis connecting piece;
an X-axis starting point sensor and an X-axis end point sensor are fixed on the side face of the X-axis displacement device, and an X-axis sensor baffle is fixed on the side face of the XY-axis connecting piece.
Preferably, the Y-axis displacement device is provided with a Y-axis motor, a Y-axis starting point sensor, a Y-axis sensor baffle and a Y-axis end point sensor, and all the components are fixed on the Y-axis displacement device through fasteners;
the Y-axis motor is fixedly connected with the Y-axis displacement device, and the output shaft of the Y-axis motor is fixedly provided with a threaded rod penetrating through the YZ-axis connecting piece, and the threaded rod is in threaded connection with the YZ-axis connecting piece;
the Y-axis displacement device is fixed with a Y-axis starting point sensor and a Y-axis end point sensor on the side face, and a Y-axis sensor baffle is fixed on the side face of the YZ-axis connecting piece.
Preferably, the sample bottle is provided with a bottle cap, the upper surface of the bottle cap is a plane, and the upper surface of the bottle cap is parallel to the bottom surface of the vacuum chuck.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a sample transfer device of a full-automatic headspace sampler, which maximizes the sample storage capacity under the same volume by arranging a rectangular sample supply disc; in order to match with a rectangular sample feeding disc, when a sample bottle is grabbed by designing an XYZ three-axis cantilever type axial displacement device, calculating bottle position coordinates by a computer, accurately moving to the coordinate positions by three axes, vacuumizing by using an air pump to control a vacuum chuck to suck the sample bottle, and completing grabbing action; when a sample bottle is placed, calculating bottle position coordinates by a computer, precisely moving the bottle position coordinates to the coordinate positions by three shafts, and when the sample bottle enters a preset height of a sample bottle chamber, controlling a vacuum chuck to drop the sample bottle by using an air pump to deflate so that the sample bottle falls into the sample bottle chamber; by using the scheme of the air pump and the vacuum chuck, the use cost is reduced, and the problem of sample bottle pollution is solved.
Drawings
FIG. 1 is a schematic diagram of a sample transfer apparatus for a full-automatic headspace sampler according to an embodiment of the present utility model;
FIG. 2 is a rear view of a sample transfer apparatus for a full-automatic headspace sampler according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the Z-axis displacement device of the present utility model.
Wherein: 1. a sample bin; 2. a sample bottle; 21. a bottle cap; 3. an X-axis displacement device; 4. a Y-axis displacement device; 5. a Z-axis displacement device; 6. an XY axis connection; 7. a YZ-axis connector; 31. an X-axis motor; 32. an X-axis start point sensor; 33. an X-axis sensor baffle; 34. an X-axis endpoint sensor; 41. a Y-axis endpoint sensor; 42. y-axis sensor baffle; 43. a Y-axis start point sensor; 44. a Y-axis motor; 51. a Z-axis sensor baffle; 52. a Z-axis sensor; 53. a Z-axis motor; 54. a vacuum pump; 55. a vacuum pump air pipe; 56. a vacuum chuck sensor; 57. a vacuum chuck sensor baffle; 58. and (5) a vacuum chuck.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, the technical scheme of the utility model comprises the following steps:
the sample transfer device of the full-automatic headspace sampler comprises a sample bin 1 for placing a plurality of sample bottles 2, an axial displacement device for sucking or placing any sample bottle 2 according to a preset instruction after calculation by a computer, wherein the axial displacement device comprises an X-axis displacement device 3, a Y-axis displacement device 4 and a Z-axis displacement device 5 which are mutually connected, and a control device for controlling the X-axis displacement device 3, the Y-axis displacement device 4 and the Z-axis displacement device 5, and the control device comprises a sensor device and the computer; the Z-axis displacement device 5 includes a vacuum pump 54 and a vacuum chuck 58 at a lower portion for sucking the sample bottle 2.
As in fig. 1, 2 and 3, the present utility model provides a preferred embodiment:
the sample transfer device of the full-automatic headspace sampler comprises a sample bin 1 for placing a plurality of sample bottles 2, wherein a plurality of sample bottle chambers are arranged in the sample bin 1, and the sample bottle chambers are arranged at equal intervals along an X axis and a Y axis; the axial displacement device comprises an X-axis displacement device 3, a Y-axis displacement device 4 and a Z-axis displacement device 5 which are connected with each other and fixedly arranged on a Y axis arranged on the Y-axis displacement device 4, the X-axis displacement device 3, the Y-axis displacement device 4 and the Z-axis displacement device 5 are positioned at the upper part of the sample bin 1 to move, and the Z-axis displacement device 5 can reach the upper end of a sample bottle chamber of any sample bin 1; the movements of the X-axis displacement device 3, the Y-axis displacement device 4 and the Z-axis displacement device 5 are controlled by a control device; the Z-axis displacement device 5 comprises a vacuum chuck 58 positioned at the lower part for absorbing the sample bottle 2 and a Z-axis motor 53 positioned at the upper part for conveying the sample bottle 2 to lift or lower; the control device comprises a sensor which is controlled by a computer.
In some embodiments, the X-axis displacement device 3 and the Y-axis displacement device 4 are respectively provided with an X-axis motor 31 and a Y-axis motor 44, the X-axis motor 31 drives the transfer X-axis unit to displace along the X-axis, and the Y-axis motor 44 drives the Y-axis displacement device 4 to displace along the Y-axis.
In some embodiments, an XY axis connector 6 is connected between the X axis displacement device 3 and the Y axis displacement device 4, so that the X axis displacement device 3 and the Y axis displacement device 4 are linked under the control of a computer, and a vacuum chuck 58 of the Z axis displacement device 5 is located at an upper position of the sample bottle 2, so that the vacuum chuck 58 can suck the sample bottle 2 or place the sample bottle 2.
And a YZ-axis connecting piece 7 is connected between the Y-axis displacement device 4 and the Z-axis displacement device 5, so that the Z-axis displacement device 5 and the Y-axis displacement device 4 are linked under the control of a computer.
In some embodiments, the Z-axis displacement device 5 comprises: the device comprises a fixed frame, a movable frame, a screw, a Z-axis sensor baffle 51, a Z-axis sensor 52, a Z-axis motor 53, a vacuum pump 54, a vacuum pump air pipe 55, a vacuum chuck sensor 56 and a vacuum chuck sensor baffle 57; a Z-axis motor 53 is fixed at the top of the fixed frame, a screw rod penetrating through the movable frame is fixed on an output shaft of the Z-axis motor 53, and the movable frame can slide along the fixed frame; the side of the fixed frame is fixed with a Z-axis sensor 52, and the side of the movable frame is provided with a vacuum pump 54, a vacuum pump air pipe 55, a vacuum chuck sensor 56, a vacuum chuck sensor baffle 57 and a vacuum chuck 58; the vacuum pump 54 is communicated with the vacuum chuck 58 through a vacuum pump air pipe 55, the vacuum chuck sensor baffle 57 is connected with the vacuum chuck 58, and the vacuum chuck 58 is elastically connected with the movable frame in a way of sliding up and down;
when the vacuum chuck is used, the Z-axis motor 53 is started to drive the screw rod to rotate, the movable frame can be driven to slide, so that the vacuum chuck 58 is driven to move downwards to prop against the sample bottle 2, the vacuum chuck 58 is driven to slightly move upwards by a distance after propping against the sample bottle 2, then the vacuum chuck sensor baffle 57 is driven to shield the vacuum chuck sensor 56, the vacuum chuck sensor 56 sends out a signal, the computer controls the Z-axis motor 53 to stop moving, and meanwhile, the computer controls the vacuum pump 54 to vacuumize, so that the sample bottle 2 can be sucked, and the sample bottle 2 can be grabbed, and the operation is successful.
In some embodiments, the sample bottle 2 is provided with a bottle cap 21, the upper surface of the bottle cap 21 is a plane, and the upper surface of the bottle cap 21 is parallel to the bottom surface of the vacuum chuck 58, so as to facilitate the suction of the vacuum chuck 58.
In some embodiments, the X-axis displacement device 3 is provided with an X-axis motor 31, an X-axis starting point sensor 32, an X-axis sensor baffle 33, and an X-axis end point sensor 34, all of which are fixed on the X-axis displacement device 3 through fasteners, the X-axis motor 31 is fixedly connected with the X-axis displacement device 3, and the output shaft thereof is fixed with a threaded rod passing through the XY-axis connector 6, and the threaded rod is in threaded connection with the XY-axis connector 6; an X-axis starting point sensor 32 and an X-axis end point sensor 34 are fixed on the side face of the X-axis displacement device 3, an X-axis sensor baffle 33 is fixed on the side face of the XY-axis connecting piece 6, the limit position can be limited by matching the X-axis starting point sensor 32 and the X-axis end point sensor 34 with the X-axis sensor baffle 33, and the X-axis motor 31 can be started to drive the threaded rod to rotate so as to drive the XY-axis connecting piece 6 to slide.
In some embodiments, the Y-axis displacement device 4 is provided with a Y-axis motor 44, a Y-axis starting point sensor 43, a Y-axis sensor baffle 42 and a Y-axis ending point sensor 41, all of which are fixed on the Y-axis displacement device 4 through fasteners, the Y-axis motor 44 is fixedly connected with the Y-axis displacement device 4, and the output shaft thereof is fixed with a threaded rod passing through the YZ-axis connector 7, and the threaded rod is in threaded connection with the YZ-axis connector 7; the side of the Y-axis displacement device 4 is fixedly provided with a Y-axis starting point sensor 43 and a Y-axis end point sensor 41, the side of the YZ-axis connecting piece 7 is fixedly provided with a Y-axis sensor baffle 42, the limit position can be limited by the cooperation of the Y-axis starting point sensor 43, the Y-axis sensor baffle 42 and the Y-axis end point sensor 41, and the Y-axis motor 44 can be started to drive the threaded rod to rotate so as to drive the YZ-axis connecting piece 7 to slide.
The Z-axis displacement device 5 can be integrally driven to change a plurality of positions in the horizontal direction by sliding the XY-axis connecting piece 6 and sliding the YZ-axis connecting piece 7 so as to adapt to the suction of the sample bottles 2 at different positions.
The specific working mode is as follows:
the process of grabbing and placing the sample bottle:
firstly, a plurality of sample bottles 2 are put into a sample bin 1 by an experimenter, the experimenter operates by upper computer software, clicks and starts, an axial displacement device moves, and when an X-axis sensor baffle 33 moves along with a Y-axis displacement device 4, an X-axis starting point sensor 32 or an X-axis end point sensor 34 is shielded, and the X-axis starting point sensor 32 or the X-axis end point sensor 34 sends out a signal; when the Y-axis sensor baffle 42 shields the Y-axis starting point sensor 43 or the Y-axis end point sensor 41 while moving along with the Z-axis displacement device 5, the Y-axis starting point sensor 43 or the Y-axis end point sensor 41 sends out a signal, and the axial displacement device performs initialization return to zero so as to prepare a computer to calculate a coordinate point of each sample bottle 2; according to the pre-obtained sample bottle 2, the computer controls the X-axis motor 31 and the Y-axis motor 44 to respectively drive the X-axis and the Y-axis to move to the upper part of the sample bottle 2 in a linkage mode through the shortest distance, the Z-axis motor 53 controls the vacuum chuck 58 to move downwards, so that the bottom of the vacuum chuck 58 is attached to the upper part of the bottle cap 21, at the moment, the vacuum chuck sensor baffle 57 shields the vacuum chuck sensor 56, the vacuum chuck sensor 56 sends out a signal, the computer controls the Z-axis motor 53 to stop moving, and meanwhile, the computer controls the vacuum pump 54 to vacuumize, so that the sample bottle 2 can be sucked, namely, the sample bottle 2 is grabbed, and the operation is successful.
The computer controls the X-axis motor 31 and the Y-axis motor 44 to drive the X-axis and the Y-axis respectively to move to the position above the required position of the sample bottle in a linkage manner through the shortest distance, the Z-axis motor 53 controls the vacuum chuck 58 to move downwards, when the sample bottle 2 gradually enters the preset position, the computer controls the vacuum pump 54 to deflate, and the vacuum chuck 58 is separated from the bottle cap 21, namely the sample bottle is sent to the specified position.
The control, signal transmission and signal receiving modes of the motor and the sensor all adopt the existing modes.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a full-automatic headspace sampler sample transfer device, includes the sample storehouse that is used for placing a plurality of sample bottle, its characterized in that still includes:
the axial displacement device comprises an X-axis displacement device, a Y-axis displacement device and a Z-axis displacement device which are connected with each other, and a control device for controlling the X-axis displacement device, the Y-axis displacement device and the Z-axis displacement device;
the vacuum chuck is arranged in the Z-axis displacement device and is used for adsorbing the sample bottle;
and an XY axis connecting piece is connected between the X axis displacement device and the Y axis displacement device, and a YZ axis connecting piece is connected between the Y axis displacement device and the Z axis displacement device.
2. The apparatus of claim 1, wherein the control means comprises a sensor means and a computer.
3. The full-automatic headspace sampler sample transfer apparatus as recited in claim 1 wherein the Z-axis displacement apparatus comprises: the device comprises a fixed frame, a movable frame, a screw, a Z-axis sensor baffle, a Z-axis sensor, a Z-axis motor, a vacuum pump air pipe, a vacuum chuck sensor and a vacuum chuck sensor baffle;
a Z-axis motor is fixed at the top of the fixed frame, a screw rod penetrating through the movable frame is fixed on an output shaft of the Z-axis motor, and the movable frame can slide along the fixed frame;
the side face of the fixed frame is fixed with a Z-axis sensor, and the side face of the movable frame is provided with a vacuum pump, a vacuum pump air pipe, a vacuum chuck sensor baffle and a vacuum chuck;
the vacuum pump is communicated with the vacuum sucker through a vacuum pump air pipe, the vacuum sucker sensor baffle is connected with the vacuum sucker, and the vacuum sucker is elastically connected with the movable frame in a manner of sliding up and down.
4. The full-automatic headspace sampler sample transfer apparatus as recited in claim 1 wherein the X-axis displacement apparatus is provided with an X-axis motor, an X-axis start sensor, an X-axis sensor stop, an X-axis end sensor, all of which are secured to the X-axis displacement apparatus by fasteners;
the X-axis motor is fixedly connected with the X-axis displacement device, the output shaft of the X-axis motor is fixedly provided with a threaded rod penetrating through the XY-axis connecting piece, and the threaded rod is in threaded connection with the XY-axis connecting piece;
an X-axis starting point sensor and an X-axis end point sensor are fixed on the side face of the X-axis displacement device, and an X-axis sensor baffle is fixed on the side face of the XY-axis connecting piece.
5. The full-automatic headspace sampler sample transfer apparatus as recited in claim 1 wherein the Y-axis displacement apparatus is provided with a Y-axis motor, a Y-axis start sensor, a Y-axis sensor stop, a Y-axis end sensor, all of which are secured to the Y-axis displacement apparatus by fasteners;
the Y-axis motor is fixedly connected with the Y-axis displacement device, and the output shaft of the Y-axis motor is fixedly provided with a threaded rod penetrating through the YZ-axis connecting piece, and the threaded rod is in threaded connection with the YZ-axis connecting piece;
the Y-axis displacement device is fixed with a Y-axis starting point sensor and a Y-axis end point sensor on the side face, and a Y-axis sensor baffle is fixed on the side face of the YZ-axis connecting piece.
6. The sample transfer apparatus of claim 1, wherein the sample bottle is provided with a cap, the top surface of the cap is planar, and the top surface of the cap is parallel to the bottom surface of the vacuum chuck.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321220574.0U CN220351072U (en) | 2023-05-19 | 2023-05-19 | Full-automatic headspace sampler sample transfer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321220574.0U CN220351072U (en) | 2023-05-19 | 2023-05-19 | Full-automatic headspace sampler sample transfer device |
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| CN220351072U true CN220351072U (en) | 2024-01-16 |
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| CN202321220574.0U Active CN220351072U (en) | 2023-05-19 | 2023-05-19 | Full-automatic headspace sampler sample transfer device |
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- 2023-05-19 CN CN202321220574.0U patent/CN220351072U/en active Active
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