Search

CN-122015993-A - Automatic change constant volume device

CN122015993ACN 122015993 ACN122015993 ACN 122015993ACN-122015993-A

Abstract

The invention provides an automatic constant volume device which comprises a shaking mechanism, a liquid adding mechanism, a camera shooting lifting mechanism and a cleaning mechanism, wherein the shaking mechanism comprises a clamping jaw assembly for clamping a volumetric flask and a shaking assembly, the shaking assembly is connected with the clamping jaw assembly, the liquid adding mechanism comprises a liquid adding pipe and a driving assembly, the driving assembly is connected with the liquid adding pipe and can drive the liquid adding pipe to move, the camera shooting lifting mechanism is connected with the liquid adding mechanism and is used for detecting and tracking the liquid level of the volumetric flask from bottom to top, the cleaning mechanism comprises a first cleaning tank, a second cleaning tank, a liquid inlet pipeline and a liquid discharge pipeline, the first cleaning tank is communicated with the second cleaning tank, the liquid inlet pipeline is communicated with the first cleaning tank, the liquid discharge pipeline is communicated with the second cleaning tank, and the liquid adding pipe can be at least partially inserted into the first cleaning tank or the second cleaning tank through the driving of the driving assembly.

Inventors

  • LV HONGLIANG
  • LIN ZHIJIE
  • BAO YANYU
  • HE YUAN
  • PAN GUOLIANG
  • CHEN ZHONGWEN
  • LI ZULIN
  • WANG SHUHONG
  • SU CHANG
  • SU CHANGCHUN

Assignees

  • 华润三九医药股份有限公司
  • 睿科集团(厦门)股份有限公司
  • 深圳市药品检验研究院

Dates

Publication Date
20260512
Application Date
20260317

Claims (10)

  1. 1. An automated constant volume device, comprising: the shaking mechanism (1) comprises a clamping jaw assembly (110) for clamping the volumetric flask and a shaking assembly (120), wherein the shaking assembly (120) is connected to the clamping jaw assembly (110) and can drive the clamping jaw assembly (110) to swing when the clamping jaw assembly (110) clamps the volumetric flask; The liquid adding mechanism (2) comprises a liquid adding pipe (210) and a driving assembly (220), wherein the driving assembly (220) is connected to the liquid adding pipe (210) and can drive the liquid adding pipe (210) to move; The camera shooting lifting mechanism (3) is in signal connection with the liquid adding mechanism (2), and the camera shooting lifting mechanism (3) is used for detecting and tracking the liquid level of the volumetric flask from bottom to top; The cleaning mechanism (4) comprises a first cleaning tank (410), a second cleaning tank (420), a liquid inlet pipeline (430) and a liquid discharge pipeline (440), wherein the first cleaning tank (410) is communicated with the second cleaning tank (420), the liquid inlet pipeline (430) is communicated with the first cleaning tank (410), the liquid discharge pipeline (440) is communicated with the second cleaning tank (420), and the liquid feeding pipe (210) can be at least partially inserted into the first cleaning tank (410) or the second cleaning tank (420) through the driving of the driving assembly (220).
  2. 2. The automatic constant volume device according to claim 1, wherein a first accommodating cavity (411) is formed on the inner wall of the first cleaning tank (410), a first opening (412) is formed on one side of the first accommodating cavity (411), a first through hole (413) is formed at the bottom of the first cleaning tank (410), and the liquid inlet pipeline (430) is communicated with the first accommodating cavity (411) through the first through hole (413); The inner wall of second washing tank (420) with the outer wall of first washing tank (410) encloses jointly and holds chamber (421), one side that holds chamber (421) is equipped with second opening (422), the bottom of second washing tank (420) is equipped with second through-hole (423), flowing back pipeline (440) pass through second through-hole (423) communicate in second holds chamber (421).
  3. 3. The automated volume metering device of claim 1, wherein the drive assembly (220) comprises: a first drive motor (221); The telescopic rod assembly (222) is connected to the first driving motor (221) and can rotate along with an output shaft of the first driving motor (221), and the telescopic rod assembly (222) can extend and retract along the length direction of the telescopic rod assembly through the first driving motor (221); The swing rod (223) is connected to one end, far away from the first driving motor (221), of the telescopic rod assembly (222), and the other end of the swing rod (223) is connected to the liquid adding pipe (210).
  4. 4. The automated volume metering device of claim 1, wherein the shaking-up assembly (120) comprises: A second drive motor (121); a rotating block (122) connected to an output shaft of the second driving motor (121), the rotating block (122) being provided with an eccentric hole (1221) arranged eccentrically to the output shaft of the second driving motor (121); An eccentric shaft (123) rotatably connected to the eccentric hole (1221); The transmission piece (124) is connected with the eccentric shaft (123) and the clamping jaw assembly (110), and the clamping jaw assembly (110) drives the transmission piece (124) through the eccentric shaft (123) so as to synchronously reciprocate along a first direction and a second direction perpendicular to the first direction.
  5. 5. The automated volume metering device of claim 4, further comprising a frame (5), wherein the frame (5) is provided with a first slide rail (510) extending along the second direction, and wherein the transmission member (124) comprises: The first sliding plate (1241) is slidably connected to the first sliding rail (510) along the second direction, and a second sliding rail (12411) extending along the first direction is arranged on one side of the first sliding plate (1241) away from the first sliding rail (510); The second sliding plate (1242) is slidably connected to the second sliding rail (12411) along the first direction and rotatably connected to the eccentric shaft (123), and the clamping jaw assembly (110) is connected to one side, away from the second sliding rail (12411), of the second sliding plate (1242).
  6. 6. The automated volume metering device of claim 5, wherein the shaking-up assembly (120) further comprises a limiting member (125) disposed on the frame (5), the limiting member (125) being configured to limit the rotational block (122) stationary with respect to the second drive motor (121).
  7. 7. The automated volume metering device according to claim 5, further comprising a support table (6), the support table (6) being movably connected to the frame (5) in a third direction perpendicular to the first and second directions.
  8. 8. The automated volume metering device according to claim 7, wherein the camera lifting mechanism (3) comprises: A third drive motor (310) connected to the frame (5); A link (320) connected to an output shaft of the third drive motor (310) and movable in the third direction with respect to the frame (5); And a camera (330) connected to the connection frame (320).
  9. 9. The automated volumetric device according to claim 8, further comprising a light source (7) connected to the frame (5), the light source (7) having an illumination direction towards the volumetric flask.
  10. 10. The automated volume metering device according to claim 9, characterized in that the illumination direction of the light source (7) is arranged opposite the viewing direction of the camera (330).

Description

Automatic change constant volume device Technical Field The invention relates to the technical field of automatic constant volume, in particular to an automatic constant volume device. Background In the related art, when the sample reagent in the laboratory is subjected to constant volume detection, the volumetric flask can be clamped by a manipulator of an automatic device, the reagent is added into the volumetric flask through a liquid adding pipe, whether the liquid level in the volumetric flask meets the requirement is checked in a visual observation mode such as a camera, and the reagent in the volumetric flask is further subjected to shaking operation through the manipulator so as to obtain the finally shaking reagent. However, after the final shaking-up reagent is obtained, the inside and outside of the liquid adding pipe are required to be cleaned so as to ensure the accuracy of the reagent components in the next liquid adding process and the accuracy of the reagent adding amount, and the existing constant volume device often does not have the function of automatically cleaning the liquid adding pipe, so that different types of reagents are easy to mix in the liquid adding process, and the accuracy of the reagent content or components in the volumetric flask is affected. Disclosure of Invention Based on the technical problems, the invention provides an automatic constant volume device, which can clean a liquid adding pipe after liquid adding is finished, and improve the accuracy of reagent components and reagent amount during liquid adding for a plurality of times, so as to at least partially solve the technical problems. The invention provides an automatic constant volume device which comprises a shaking mechanism, a liquid adding mechanism, a shooting lifting mechanism and a cleaning mechanism, wherein the shaking mechanism comprises a clamping jaw assembly used for clamping a volumetric flask and a shaking assembly, the shaking assembly is connected to the clamping jaw assembly and can drive the clamping jaw assembly to swing when the clamping jaw assembly clamps the volumetric flask, the liquid adding mechanism comprises a liquid adding pipe and a driving assembly, the driving assembly is connected to the liquid adding pipe and can drive the liquid adding pipe to move, the shooting lifting mechanism is connected to the liquid adding mechanism in a signal manner, the shooting lifting mechanism is used for detecting and tracking the liquid level of the volumetric flask from bottom to top, the cleaning mechanism comprises a first cleaning tank, a second cleaning tank, a liquid inlet pipeline and a liquid outlet pipeline, the first cleaning tank is communicated with the second cleaning tank, the liquid inlet pipeline is communicated with the first cleaning tank, and the liquid outlet pipeline is communicated with the second cleaning tank, and the liquid adding pipe can be at least partially inserted into the first cleaning tank or the second cleaning tank through the driving assembly. Optionally, the inner wall of the first cleaning tank forms a first accommodating cavity, a first opening is formed in one side of the first accommodating cavity, a first through hole is formed in the bottom of the first cleaning tank, the liquid inlet pipeline is communicated with the first accommodating cavity through the first through hole, the inner wall of the second cleaning tank and the outer wall of the first cleaning tank jointly enclose a second accommodating cavity, a second opening is formed in one side of the second accommodating cavity, a second through hole is formed in the bottom of the second cleaning tank, and the liquid outlet pipeline is communicated with the second accommodating cavity through the second through hole. Optionally, the driving assembly comprises a first driving motor, a telescopic rod assembly, a swing rod and a liquid adding pipe, wherein the telescopic rod assembly is connected to the first driving motor and can rotate along with an output shaft of the first driving motor, the telescopic rod assembly can stretch and retract along the length direction of the telescopic rod assembly through the first driving motor, the swing rod is connected to one end, far away from the first driving motor, of the telescopic rod assembly, and the other end of the swing rod is connected to the liquid adding pipe. The shaking-up assembly comprises a second driving motor, a rotating block connected to an output shaft of the second driving motor, an eccentric shaft rotatably connected to the eccentric hole, and a transmission piece connected to the eccentric shaft and the clamping jaw assembly, wherein the rotating block is provided with an eccentric hole eccentrically arranged with the output shaft of the second driving motor, and the transmission piece is driven by the clamping jaw assembly through the eccentric shaft to synchronously reciprocate along a first direction and a second direction perpendi