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CN-121995072-A - Double-drag-hook circulating rack feeding device and sample sucking and feeding line

CN121995072ACN 121995072 ACN121995072 ACN 121995072ACN-121995072-A

Abstract

The invention relates to the technical field of medical equipment, and discloses a double-drag-hook circulating rack feeding device and a sample suction sample feeding and detecting line, wherein the double-drag-hook circulating rack feeding device comprises a feeding and detecting channel, a first sample feeding mechanism and a second sample feeding mechanism; the first sample conveying mechanism comprises a first poking piece, a first linear driving mechanism and a first deflection driving mechanism, wherein the first deflection driving mechanism is used for driving the first poking piece to swing and extend into the inspection channel from the side of the inspection channel or avoid the inspection channel, the second sample conveying mechanism comprises a second poking piece and a second linear driving mechanism, the second poking piece stretches into the inspection channel when the second poking piece does not receive the pressure of materials or receives the pressure of the materials in the first direction, and the second poking piece avoids the inspection channel when the second poking piece receives the pressure of the materials in the second direction opposite to the first direction. The invention can improve the accuracy of sample suction positioning and the transfer speed of samples before and after sample suction.

Inventors

  • WU DI
  • LI PENGFEI
  • WEI XIANMING

Assignees

  • 深圳瑞智捷医疗科技有限公司

Dates

Publication Date
20260508
Application Date
20260122

Claims (10)

  1. 1. The double-drag hook circulating rack feeding device is characterized by comprising a feeding and detecting channel, a first sample feeding mechanism and a second sample feeding mechanism; The first sample feeding mechanism comprises a first poking plate, a first linear driving mechanism and a first deflection driving mechanism, wherein the first linear driving mechanism is used for driving the first poking plate to reciprocate along the extending direction of the inspection channel, and the first deflection mechanism is used for driving the first poking plate to swing so that the first poking plate extends into the inspection channel from the side of the inspection channel or avoids the inspection channel; The second sample feeding mechanism comprises a second poking piece and a second linear driving mechanism, wherein the second poking piece is arranged below the first poking piece, and is used for driving the second poking piece to reciprocate along the extending direction of the sample feeding channel when the second poking piece is not subjected to material pressure or is subjected to material pressure in the first direction, and the second poking piece is stretched into the sample feeding channel when the second poking piece is subjected to material pressure in the second direction opposite to the first direction.
  2. 2. The double-drag-hook circulating rack feeding device according to claim 1, wherein the sample outlet and at least two sample inlets are arranged in the extending direction of the inspection channel.
  3. 3. The double-drag-hook circulating rack feeding device according to claim 2, wherein the feeding channel is arranged on an operation platform, the operation platform is sequentially provided with a first rack feeding channel, a second rack feeding channel and a rack discharging channel, the extending directions of the first rack feeding channel, the second rack feeding channel and the rack discharging channel are all intersected with the extending directions of the feeding channel, the first rack feeding channel and the second rack feeding channel are respectively opposite to different sample inlets, and the rack discharging channel is opposite to the sample discharging opening.
  4. 4. The double-drag-hook circulating rack feeding device according to claim 1, wherein a first bracket is arranged on the first linear driving mechanism, a roller is arranged on the first bracket, the roller is provided with a groove, the bottom surface of the groove forms a concave wheel surface in rolling fit with the peripheral surface of a sliding shaft, the sliding shaft and the inspection channel extend in the same direction, and the first bracket is provided with a clamping structure for limiting the first shifting piece and the first bracket to generate relative displacement in the axial direction of the sliding shaft.
  5. 5. The double-drag-hook circulating rack feeding device as claimed in claim 4, wherein the first shifting piece is provided with a sleeve ring which is arranged around the sliding shaft, the sleeve ring can move relative to the sliding shaft in the axial direction, the sleeve ring and the sliding shaft are provided with a clamping structure for limiting the sleeve ring and the sliding shaft to generate relative displacement in the circumferential direction, and the first deflection driving mechanism is connected with the sliding shaft so as to drive the sliding shaft to drive the first shifting piece to rotate.
  6. 6. The double-drag-hook circulating rack feeding device according to claim 5, wherein the first bracket is provided with a vertical plate, the clamping structure comprises a limiting hole arranged on the vertical plate, the lantern ring at least partially stretches into the limiting hole, and the limiting hole is provided with limiting surfaces parallel to end surfaces at two ends of the lantern ring; The first support is provided with a top plate, the top plate is provided with an L-shaped limiting part, and when the first plectrum rotates to be vertical, the first plectrum is abutted with a straight vertical surface on the inner side of the L-shaped limiting part.
  7. 7. The double-drag-hook circulating rack feeding device as claimed in claim 1, wherein the second linear driving mechanism is provided with a second bracket, the second shifting piece is hinged with the second bracket through a rotating shaft, the second shifting piece has a working position and a avoidance position, When the second bracket moves along the first direction, the second plectrum swings to the working position to be in an upright posture under the action of gravity or/and material pushing force so as to push the material to advance; When the second bracket moves along a second direction opposite to the first direction, the second poking piece is blocked by the material and overturns around the rotating shaft until the avoiding position is upward so as to avoid the material.
  8. 8. The double-drag-hook circulating rack feeding device according to claim 7, wherein the second bracket is provided with a shaft hole matched with the rotating shaft, a first limiting part used for limiting the second shifting piece to excessively swing towards the avoiding position is arranged above the shaft hole of the second bracket, and a second limiting part used for limiting the second shifting piece to excessively swing towards the working position is arranged below the shaft hole; And/or one end of the second shifting piece, which is far away from the working position, is provided with a plurality of counterweight installation holes, at least one counterweight installation hole is internally provided with a limiting column, and the limiting column is at least used for being abutted with the first limiting part.
  9. 9. A sample suction inspection line comprising a suction apparatus and a double-hook circulation rack apparatus according to any one of claims 1 to 8.
  10. 10. The sample suction and sample inspection line according to claim 9, wherein a pre-reading code scanner and a sample suction code scanner are sequentially arranged between the second rack inlet channel and the rack outlet channel, and when the code scanning results of the sample passing through the pre-reading code scanner and the sample suction code scanner of the sample inspection channel are consistent, the sample suction device performs sample suction inspection.

Description

Double-drag-hook circulating rack feeding device and sample sucking and feeding line Technical Field The invention relates to the technical field of medical equipment, in particular to a double-drag-hook circulating rack feeding device and a sample suction and sample delivery line. Background Sample pipelines have been widely used in the IVD in vitro diagnostic industry. The sample transmission and inspection mode mainly comprises a single tube transmission and inspection mode, a whole frame transmission and inspection mode and a swing arm sample sucking and inspection mode. The swing arm sample sucking and inspecting mode is widely applied. However, the swing arm sample sucking and delivering mode has high requirements on sample sucking positioning, sample transferring speed before and after sample sucking and the like. If the problems cannot be effectively solved, the operation of the pipeline is seriously affected, and the working efficiency of the pipeline is greatly reduced. At present, swing arm sample sucking and inspecting equipment of each manufacturer basically adopts a test tube rack inspection mode of a single draw hook or a double belt, so that the application of a swing arm sample sucking and inspecting mode is restricted, and the assembly line manufacturer lacks competitiveness in the market due to the lack of the swing arm sample sucking and inspecting mode. Therefore, in the IVD in-vitro diagnosis industry, a swing arm sample sucking and sending double-drag hook circulating frame feeding device with accurate sample sucking and positioning and high sample transferring speed before and after sample sucking is urgently needed by various assembly line manufacturers. Disclosure of Invention The invention aims to solve the technical problems of providing a double-drag hook circulating rack feeding device and a sample suction and sample delivery line, and the accuracy of sample suction positioning and the transfer speed of samples before and after suction are improved. In order to solve the technical problems, the invention provides a double-drag hook circulating rack feeding device, which comprises a feeding passage, a first sample feeding mechanism and a second sample feeding mechanism; The first sample feeding mechanism comprises a first poking plate, a first linear driving mechanism and a first deflection driving mechanism, wherein the first linear driving mechanism is used for driving the first poking plate to reciprocate along the extending direction of the inspection channel, and the first deflection mechanism is used for driving the first poking plate to swing so that the first poking plate extends into the inspection channel from the side of the inspection channel or avoids the inspection channel; The second sample feeding mechanism comprises a second poking piece and a second linear driving mechanism, wherein the second poking piece is arranged below the first poking piece, and is used for driving the second poking piece to reciprocate along the extending direction of the sample feeding channel when the second poking piece is not subjected to material pressure or is subjected to material pressure in the first direction, and the second poking piece is stretched into the sample feeding channel when the second poking piece is subjected to material pressure in the second direction opposite to the first direction. As an improvement of the scheme, the sample outlets and at least two sample inlets are arranged in the extending direction of the inspection channel. As the improvement of above-mentioned scheme, send out to examine the passageway setting on operation platform, operation platform is equipped with first frame passageway, second in proper order advances frame passageway and goes out the frame passageway, first frame passageway, second advance frame passageway and go out the extending direction of frame passageway all with send out the extending direction of examining the passageway alternately, first frame passageway advance the second advance frame passageway respectively with the difference the sample inlet is relative, go out the frame passageway with it is relative to go out the sample inlet. As the improvement of above-mentioned scheme, be equipped with first support on the first straight line actuating mechanism, be equipped with the gyro wheel on the first support, the gyro wheel is equipped with the recess, the bottom surface of this recess constitute with slide shaft outer peripheral face rolling fit's concave wheel face, the slide shaft with the inspection channel syntropy extends, first support is equipped with and is used for restricting first plectrum with first support is in the axial of slide shaft produces relative displacement's clamping structure. As an improvement of the scheme, the first shifting piece is provided with a lantern ring which is arranged around the sliding shaft, the lantern ring can move relative to the sliding shaft in the axial direction, the lante