CN210427602U - Full-automatic gas-liquid replacement sample injector - Google Patents
Full-automatic gas-liquid replacement sample injector Download PDFInfo
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- CN210427602U CN210427602U CN201921232875.9U CN201921232875U CN210427602U CN 210427602 U CN210427602 U CN 210427602U CN 201921232875 U CN201921232875 U CN 201921232875U CN 210427602 U CN210427602 U CN 210427602U
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Abstract
The utility model discloses a full-automatic gas-liquid replacement sample injector, including the base, the base top be equipped with base fixed connection's suction head frame subassembly and sample frame subassembly, first motor on the base drives application of sample arm device and slides along first linear guide, and second motor among the application of sample arm device drives application of sample channel device and slides along second linear guide, is equipped with autoinjector and automatic needle removal device on the application of sample channel device. The utility model provides a full-automatic gas-liquid replacement injector through the removal of automatic injector on third linear guide, through automatic needle device, needle cover, third response piece and third sensor of taking off, realizes getting the needle and detects and take off the needle function automatically, greatly reduces and hangs the needle and in time discover the risk that leads to the experiment failure behind the getting needle, improve equipment operation's stability and reliability.
Description
Technical Field
The utility model relates to a full-automatic technical field especially relates to a full-automatic gas-liquid replacement sample injector.
Background
Full-automatic application of sample equipment realizes functions such as sample full automatization precision is moved liquid, reagent dilution, distribution, mixing to the data that produce in the automatic recording management application of sample transfer process, the follow-up experimental process of being convenient for is traceed back, can be used for the great place of sample volume such as hospital's diagnosis laboratory, disease control laboratory, life science laboratory, judicial expertise laboratory, blood station, food inspection center, biological inspection, can greatly improve laboratory staff work efficiency.
The current market is generally still to use traditional manual application of sample mode, and there is the possibility of mistake adding, hourglass adding and whole application of sample process is not traceable among the application of sample process, still can produce certain hidden danger to the experimenter safety when especially some pollutes, infects or irritability liquid of manual distribution.
The above disadvantages need to be solved.
Disclosure of Invention
In order to overcome the not enough of current technique, the utility model provides a full-automatic gas-liquid replacement sample injector realizes its automation of testing the application of sample process, improves its work efficiency to the application of sample is efficient, the application of sample stability is good, the application of sample precision is high, with low costs.
The utility model discloses technical scheme as follows:
a full-automatic gas-liquid replacement sample injector comprises a base, a suction head frame component and a sample frame component which are fixedly connected with the base are arranged at the top of the base, brackets which are fixedly connected with the base are respectively arranged at the corresponding two ends of the top of the base,
a first linear guide rail and a first motor are fixed on the base, a sample adding arm device which is connected with the first linear guide rail in a sliding manner is arranged on the first linear guide rail, and the first motor is used for driving the sample adding arm device to slide left and right along the first linear guide rail;
the sample adding arm device comprises a sample adding arm frame, a controller, a second motor and a second linear guide rail which are fixedly connected with the sample adding arm frame are respectively arranged on the sample adding arm frame, a sample adding channel device which is connected with the second linear guide rail in a sliding manner is arranged on the second linear guide rail, and the second motor is used for driving the sample adding channel device to slide back and forth along the second linear guide rail;
the sample adding channel device comprises a sample adding channel seat, a third motor, a third linear guide rail and an automatic needle releasing device which are fixedly connected with the sample adding channel seat are respectively arranged on the sample adding channel seat, a sliding seat is arranged on the third linear guide rail, an automatic injector is arranged on the sliding seat, a third sensor, a needle releasing rotating seat and a limiting shaft which are fixedly connected with the automatic injector are respectively arranged on the automatic injector, the third sensor is fixedly connected with the sample adding channel seat, a rotating shaft which is fixedly connected with the needle releasing rotating seat is arranged on the needle releasing rotating seat, the rotating shaft is connected with a rotating connecting block, the limiting shaft and a gun head on the automatic injector are respectively connected with a needle releasing sleeve, a third sensing piece is fixedly connected with the needle releasing sleeve, and the third sensing piece is fixedly connected with the sliding seat;
the automatic needle releasing device comprises a fixing seat, a supporting cover, a bearing, a limit nail and a rotary gear stop block, wherein the fixing seat is sequentially connected with the supporting cover, the rotary gear stop block and the bearing through the limit nail, a motor is arranged on the fixing seat, and the motor is fixedly compressed through a fastening spring and the fixing seat.
According to the above scheme the utility model discloses, a serial communication port, one side of support on the base be equipped with support fixed connection's first motor cabinet, first motor is located on the first motor cabinet, be equipped with on the first motor with first motor fixed connection's first driving pulley, the opposite side of support be equipped with support fixed connection's first driven pulley seat, be equipped with on the first driven pulley seat with the first driven pulley that first driven pulley seat is connected, first driving pulley through first hold-in range with first driven pulley is connected, first hold-in range with application of sample arm device bottom fixed connection.
According to the above scheme the utility model discloses, a serial communication port, still be equipped with the driven pulley seat of second on the application of sample arm frame, the second motor is located on the driven pulley seat of second, be equipped with on the second motor with second motor fixed connection's second driving pulley, be equipped with on the driven pulley seat with the second driven pulley that the driven pulley seat is connected, the second driving pulley pass through the second hold-in range with the second driven pulley is connected, application of sample channel device with second hold-in range fixed connection.
According to the above scheme the utility model discloses, a serial communication port, still be equipped with the third motor cabinet on the application of sample passageway seat, the third motor is located on the third motor cabinet, the sliding seat bottom be equipped with sliding seat fixed connection's nut, the nut be connected with third motor fixed connection's bolt.
According to the above scheme the utility model discloses, a serial communication port, still be equipped with on the application of sample arm device with application of sample arm device fixed connection's first response piece, be equipped with first sensor on the base, first response piece with first sensor response application of sample arm device along the gliding distance of first linear guide.
Further, the top of the base is also provided with a drive control assembly fixedly connected with the base, and the drive control assembly is connected with the first sensor.
According to the above scheme the utility model discloses, a serial communication port, still be equipped with on the application of sample arm frame with application of sample arm frame fixed connection's second sensor, be equipped with on the application of sample channel device with application of sample channel device fixed connection's second response piece, the second sensor with the response of second response piece application of sample channel device along the gliding distance of second linear guide.
According to the above technical scheme the utility model discloses, its characterized in that, the motor is planetary gear motor.
According to above-mentioned scheme the utility model discloses, a serial communication port, first motor, second motor and third motor are high accuracy step motor.
According to above-mentioned scheme the utility model discloses, a serial communication port, application of sample channel device is provided with 1~ 8.
According to the above scheme the utility model discloses, its beneficial effect lies in, through the removal of automatic syringe on third linear guide, through the automatic needle device of taking off, take off the needle cover, third response piece and third sensor, the realization is got the needle and is detected and the automatic needle function of taking off, not only improve laboratory staff work efficiency, compatible electric capacity response simultaneously, the full-automatic gas-liquid replacement application of sample ware of pressure sensing double-liquid level detection and automatic needle of taking off, improve the precision of application of sample and reduce cross contamination's risk, the risk that the hanging needle was not in time found to lead to the experiment failure after greatly reducing simultaneously getting the needle, improve equipment operation's stability and reliability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view in another direction of the present invention.
Fig. 3 is a schematic structural diagram of the sample adding arm device of the present invention.
Fig. 4 is a schematic structural view of the sample-adding channel device of the present invention.
Fig. 5 is a schematic structural view of the automatic needle-releasing device of the present invention.
In the figure, 10, the base; 11. a support; 12. a first linear guide rail; 13. a sample adding arm device; 14. a tip holder assembly; 15. a sample rack assembly; 20. a first motor; 21. a first motor mount; 22. a first driving pulley; 23. a first sensor; 24. a first synchronization belt; 25. a drive control assembly; 26. a first driven pulley; 27. a first driven pulley seat; 28. a first sensing piece; 30. a sample addition arm frame; 31. a controller; 32. a second sensor; 33. a second motor; 34. a sample application channel device; 35. a second sensing piece; 36. a second linear guide; 37. a second driven pulley block; 38. a second driven pulley; 39. a second synchronous belt; 40. an auto-injector; 41. a third sensor; 42. a third induction sheet; 43. removing the needle sleeve; 44. a needle-off rotating seat; 45. rotating the connecting block; 46. a rotating shaft; 47. a limiting shaft; 48. a third motor; 49. a third motor base; 50. a third sensor; 51. a third induction sheet; 52. a sliding seat; 53. a nut; 54. a bolt; 55. a sample addition channel holder; 56. a third linear guide rail; 57. an automatic needle-releasing device; 61. a limit pin; 62. a support cover; 63. a rotating gear stop; 64. a bearing; 65. a fixed seat; 66. a motor; 67. a fastening spring; 68. a fixed block; 69. a gear.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in figures 1-5, the full-automatic gas-liquid replacement sample injector comprises a base 10, wherein a suction head rack assembly 14 and a sample rack assembly 15 fixedly connected with the base 10 are arranged on the top of the base 10.
The top of the base 10 is provided with two corresponding ends respectively with a bracket 11 fixedly connected with the base 10, the bracket 11 is provided with a first linear guide rail 12 fixedly connected with the bracket 11, and the first linear guide rail 12 is provided with a sample adding arm device 13 slidably connected with the first linear guide rail 12.
Specifically, one or more pairs of brackets 11 are arranged on the base 10 to support the first linear guide rail 12, then the brackets 11 are provided with a first motor 20 and a first driving pulley 22 on one side, and are provided with a first driven pulley seat 27 and a first driven pulley 26 on the other side, the two sides are communicated through a first synchronous belt 24, the first linear guide rail 12 is provided with a sample adding arm device 13, the sample adding arm device 13 can slide left and right on the first linear guide rail 12, the bottom of the sample adding arm device 13 is fixedly connected with the first synchronous belt 24, when the motors rotate, the pulleys rotate, the sample adding arm device 13 can also move along with the first synchronous belt 24, the maximum moving distance is the distance between the first driving pulley 22 and the first driven pulley 26, and the sample holder assembly 15 and the holder assembly 14 on the base 10 can be clamped and tested by the suction heads which move left and right and back and forth.
As shown in fig. 3, the sample-adding arm device 13 includes a sample-adding arm frame 30, the sample-adding arm frame 30 is respectively provided with a controller 31, a second motor 33, a second linear guide 36 and a second driven pulley seat 37, the second motor 33 is provided with a second driving pulley (not shown) fixedly connected with the second motor 33, the second driven pulley seat 37 is provided with a second driven pulley 38 connected with the second driven pulley seat 37, the second driving pulley (not shown) is connected with the second driven pulley 38 through a second synchronous belt 39, the second linear guide 36 is provided with a sample-adding channel device 34 slidably connected with the second linear guide 36, and the sample-adding channel device 34 is fixedly connected with the second synchronous belt 39.
A second linear guide 36 is arranged on the sample adding arm frame 30, one end of the second linear guide 36 is provided with a second motor 33 and a second driving pulley (not marked in the figure), the other end is provided with a second driven pulley 38 and a second driven pulley seat 37, the second driving pulley (not marked in the figure) is connected with the second driven pulley 38 through a second synchronous belt 39, a sample adding channel device 34 is arranged on the second linear guide 36, the sample adding channel device 34 can slide on the second linear guide 36, and the sample adding channel device 34 is fixedly connected with the second synchronous belt 39, after the motor is started, the second timing belt 39 moves along with the rotation of the second driving pulley (not shown), the movement of the second timing belt 39 drives the sample adding channel device 34 to move left and right, and the maximum moving distance is also the distance between the second driving pulley (not shown) and the second driven pulley 38.
Preferably, the sample-adding arm device 13 is further provided with a first sensing piece 28 fixedly connected with the sample-adding arm device 13, the support 11 is further provided with a first sensor 23 fixedly connected with the support 11, the top of the base 10 is further provided with a driving control assembly 25 fixedly connected with the base 10, and the driving control assembly 25 is connected with the first sensor 23.
Specifically, after installing first sensor 23 and first response piece 28, first response piece 28 is used for detecting the distance of application of sample arm device 13 on first straight line guide rail 12, then feed back to first sensor 23, feed back to drive control subassembly 25 through first sensor 23, give first sensor 23 through first response piece 28 transmission information, feed back to drive control subassembly 25 by first sensor 23 again, the distance of discernment removal is not enough or overlength, and judge, then start first motor 20 and continue the adjustment distance, can realize the automatic detection liquid level, the real-time automated inspection clot of imbibition process, detect and inhale empty, annotate liquid process real time monitoring and annotate the liquid volume function, the accurate precision of inhaling and spitting volume has been guaranteed and real time monitoring and traceing back.
Preferably, the sample-adding arm frame 30 is further provided with a second sensor 32 fixedly connected with the sample-adding arm frame 30, and the sample-adding channel device 34 is provided with a second sensing piece 35 fixedly connected with the sample-adding channel device 34. The moving distance is sensed by the second sensing piece 35 and then fed back to the second sensor 32, and when the moving distance is transmitted to the driving control assembly 25, whether an error exists or not is judged, and then the second motor 33 is started to adjust.
As shown in fig. 4, the sample-adding channel device 34 includes a sample-adding channel seat 55, a third motor seat 49 fixedly connected to the sample-adding channel seat 55, a third linear guide rail 56 and an automatic needle-removing device 57 are respectively disposed on the sample-adding channel seat 55, a third motor 48 fixedly connected to the third motor 48 is disposed on the third motor seat 49, a sliding seat 52 connected to the third linear guide rail 56 is disposed on the third linear guide rail 56, a nut 53 fixedly connected to the sliding seat 52 is disposed at the bottom of the sliding seat 52, the nut 53 is connected to a bolt 54 fixedly connected to the third motor 48, and an automatic injector 40 fixedly connected to the sliding seat 52 is disposed on the sliding seat 52.
The automatic injector 40 is respectively provided with a third sensor 50 fixedly connected with the automatic injector 40, an off-needle rotating seat 44 and a limiting shaft 47, the third sensor 50 is fixedly connected with the sample adding channel seat 55, the off-needle rotating seat 44 is provided with a rotating shaft 46 fixedly connected with the off-needle rotating seat 44, the rotating shaft 46 is connected with a rotating connecting block 45, the limiting shaft 47 and the gun head on the automatic injector 40 are respectively connected with an off-needle sleeve 43, the off-needle sleeve 43 is fixedly connected with a third induction sheet 51, and the third induction sheet 51 is fixedly connected with a sliding seat 52.
As shown in fig. 5, the automatic needle removing device 57 includes a fixing base 65, a supporting cover 62, a bearing 64, a limit pin 61 and a rotary gear stop 63, the fixing base 65 is sequentially connected with the supporting cover 62, the rotary gear stop 63 and the bearing 64 through the limit pin 61, a motor 66 is arranged on the fixing base 65, and the motor 66 is pressed and fixed with the fixing base 65 through a fastening spring 67 and a fixing block 68.
A third linear guide rail 56, a third motor seat 49 and an automatic needle-removing device 57 are arranged on the sample-adding channel seat 55, a third motor 48 is arranged on the third motor seat 49, and the third motor 48 drives the automatic injector 40 to move linearly along the third linear guide rail 56 through the transmission of the bolt 54 and the nut 53 under the control of the controller 31.
When the gun head on the automatic injector 40 takes the sucker on the sucker rod frame assembly 14, the limiting shaft 47 and the needle removing sleeve 43 on the gun head on the automatic injector 40 move upwards along the automatic injector 40, and meanwhile, the third sensing piece 42 on the needle removing sleeve 43 extends into the sensing area of the third sensor 41, so that the needle taking detection function is realized. After the automatic injector 40 takes a needle to inject a sample, the sample enters the sensing area of the third sensor 41 through the third sensing piece 42 under the transmission of the bolt 54 and the nut 53, and the origin initialization of the automatic injector 40 in the direction of the third linear guide rail 56 is realized. When the needle is removed, after the third linear guide rail 56 moves to a certain distance in the direction, the rotary gear stop block 63 on the automatic needle removing device 57 extends out in the transmission of the motor 66 to block the rotary connecting block 45, rotate the connecting block 45 and drive the needle removing sleeve 43 to move downwards, so that the automatic needle removing function is realized.
Preferably, the motor 66 is a planetary gear motor 66, so that an automatic needle release function is realized, and the operation flexibility and the operation speed of the device are greatly improved.
Preferably, the first motor 20, the second motor 33 and the third motor 48 are high-precision stepper motors, and are controlled by a curve motor, so that the sample adding precision and stability of the sample adding device are improved.
As a preferred scheme, the sample-adding channel devices 34 are flexibly combined according to application requirements, and can be combined to perform multi-channel full-automatic sample adding, that is, the sample-adding channel devices 34 are multiple (two in this embodiment), so that a multi-channel full-automatic gas-liquid conversion sample adding device can be formed, the liquid sample adding speed and the working efficiency are improved, and the flexibility of the device combination is improved.
The automatic injector 40 performs three-dimensional space motion under the control of the drive control module, so that the automatic injector can automatically take a needle on the suction head module, and a photoelectric sensor detects whether the suction head is taken in place or not; through automatic needle-releasing device 57, needle-releasing sleeve 43, third response piece 42 and third sensor 41 again, realize automatic imbibition and annotate the liquid and have the needle of getting and detect and the automatic needle-releasing function to realize the mechanical automation of injector, greatly reduce and get the needle after the needle and not in time discover the risk that leads to the experiment failure, improve the stability and the reliability of equipment operation.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a full-automatic gas-liquid replacement injector, its characterized in that, includes the base, the base top be equipped with base fixed connection's suction head frame subassembly and sample rack subassembly:
a first linear guide rail and a first motor are fixed on the base, a sample adding arm device is arranged on the first linear guide rail, and the first motor is used for driving the sample adding arm device to slide left and right along the first linear guide rail;
the sample adding arm device comprises a sample adding arm frame, a controller, a second motor and a second linear guide rail are respectively arranged on the sample adding arm frame, a sample adding channel device is arranged on the second linear guide rail, and the second motor is used for driving the sample adding channel device to slide back and forth along the second linear guide rail;
the sample adding channel device comprises a sample adding channel seat, a third motor, a third linear guide rail and an automatic needle removing device are respectively arranged on the sample adding channel seat, a sliding seat is arranged on the third linear guide rail, an automatic injector is arranged on the sliding seat, a third sensor, a needle removing rotating seat and a limiting shaft are respectively arranged on the automatic injector, the third sensor is fixedly connected with the sample adding channel seat, a rotating shaft fixedly connected with the needle removing rotating seat is arranged on the needle removing rotating seat, the rotating shaft is connected with a rotating connecting block, the limiting shaft and a gun head on the automatic injector are respectively connected with a needle removing sleeve, a third sensing piece is fixedly connected with the needle removing sleeve, and the third sensing piece is fixedly connected with the sliding seat;
the automatic needle releasing device comprises a fixing seat, a supporting cover, a bearing and a rotary gear stop block, wherein the fixing seat is sequentially connected with the supporting cover, the rotary gear stop block and the bearing through limit nails, a motor is arranged on the fixing seat, and the motor is fixedly compressed by a fastening spring.
2. The automatic gas-liquid displacement sample injector according to claim 1, wherein a first motor seat fixedly connected to the support is provided at one side of a support on the base, the first motor is provided at the first motor seat, a first driving pulley fixedly connected to the first motor is provided at the first motor, a first driven pulley seat fixedly connected to the support is provided at the other side of the support, a first driven pulley connected to the first driven pulley seat is provided at the first driven pulley seat, the first driving pulley is connected to the first driven pulley through a first synchronous belt, and the first synchronous belt is fixedly connected to the bottom of the sample injection arm device.
3. The automatic gas-liquid displacement sample injector according to claim 1, wherein the sample injection arm frame further comprises a second driven pulley seat, the second motor is disposed on the second driven pulley seat, the second motor is provided with a second driving pulley fixedly connected to the second motor, the driven pulley seat is provided with a second driven pulley connected to the driven pulley seat, the second driving pulley is connected to the second driven pulley through a second synchronous belt, and the sample injection channel device is fixedly connected to the second synchronous belt.
4. The automatic gas-liquid displacement sample injector according to claim 1, wherein a third motor seat is further provided on the sample injection channel seat, the third motor is provided on the third motor seat, a nut fixedly connected to the slide seat is provided at the bottom of the slide seat, and the nut is connected to a bolt fixedly connected to the third motor.
5. The full-automatic gas-liquid displacement sample injector according to claim 1, wherein the sample injection arm device further comprises a first sensor strip fixedly connected to the sample injection arm device, the base comprises a first sensor, and the first sensor strip and the first sensor sense a sliding distance of the sample injection arm device along the first linear guide.
6. The automatic gas-liquid displacement sample injector according to claim 5, wherein the top of the base is further provided with a driving control assembly fixedly connected with the base, and the driving control assembly is connected with the first sensor.
7. The automatic gas-liquid displacement sample injector according to claim 1, wherein the sample injection arm frame further comprises a second sensor fixedly connected to the sample injection arm frame, the sample injection channel device comprises a second sensor strip fixedly connected to the sample injection channel device, and the second sensor strip sense a sliding distance of the sample injection channel device along the second linear guide.
8. The fully automatic gas-liquid displacement sample injector of claim 1, wherein the motor is a planetary gear motor.
9. The fully automatic gas-liquid displacement sample injector of claim 1, wherein the first motor, the second motor, and the third motor are all high precision stepper motors.
10. The full-automatic gas-liquid displacement sample injector according to claim 1, wherein 1 to 8 sample injection channel devices are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232875.9U CN210427602U (en) | 2019-08-01 | 2019-08-01 | Full-automatic gas-liquid replacement sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232875.9U CN210427602U (en) | 2019-08-01 | 2019-08-01 | Full-automatic gas-liquid replacement sample injector |
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| Publication Number | Publication Date |
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| CN210427602U true CN210427602U (en) | 2020-04-28 |
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| CN201921232875.9U Active CN210427602U (en) | 2019-08-01 | 2019-08-01 | Full-automatic gas-liquid replacement sample injector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257460A1 (en) * | 2021-06-07 | 2022-12-15 | 长沙迈迪克智能科技有限公司 | Multi-channel sample loading arm |
-
2019
- 2019-08-01 CN CN201921232875.9U patent/CN210427602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257460A1 (en) * | 2021-06-07 | 2022-12-15 | 长沙迈迪克智能科技有限公司 | Multi-channel sample loading arm |
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Address after: 301, 310, Building 5, South Taiyun Chuanggu, Tangwei Community, Fenghuang Street, Guangming District, Shenzhen, Guangdong 518000 Patentee after: Midic (Shenzhen) Technology Co.,Ltd. Address before: 518000 Minzhi community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province 317 Patentee before: Shenzhen huaruikang Biotechnology Co.,Ltd. |
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