CN219392068U - Sample supply system - Google Patents

Abstract

The utility model discloses a sample supply system, which comprises a sample bin unit, a conveying unit and a scheduling unit, wherein the conveying unit is provided with at least one sampling channel and a return channel, the sampling channel is sequentially provided with a buffer position and a sampling position along the direction far away from the sample bin unit, the conveying unit also comprises a buffer grip and a sampling grip which are respectively arranged corresponding to the buffer position and the sampling position, and the buffer grip and the sampling grip respectively move a sample frame positioned in the sampling channel to the buffer position and the sampling position in a pushing or/and pulling mode. By adopting the scheme, the positioning accuracy of the sample frame at the sampling position is improved mainly through optimizing the structure of the conveying unit, quick and accurate sampling is guaranteed, good detection efficiency and detection quality are further guaranteed, and the whole structure has good reliability and stability.

Description

Sample supply system

Technical Field

The utility model belongs to the field of diagnostic medical equipment, and particularly relates to a sample supply system.

Background

In the centralized in-vitro diagnosis process, the collected samples are usually required to be sequentially or separately sent to detection and analysis equipment for detection and analysis, for example, the document number is CN217332496U, the patent name is sample scheduling system, and the system can assemble a conveying module, a supply recovery module and a cache scheduling module according to different sample scheduling requirements, so that the universality is higher; and patent with the reference number "CN 207036878U", entitled "sample rack transfer apparatus in sample transfer system".

According to the disclosure, at present, similar products are more, but the synchronous belt is basically adopted to directly transmit in the conveying module, and then the synchronous belt is matched with the in-place sensor to perform positioning, so that in the research process, the applicant finds that because the conveyed sample rack and the synchronous belt are completely driven by friction and are simultaneously influenced by tension of the synchronous belt, the sample rack is difficult to accurately position in each position, the inner diameter of a sample tube on the sample rack is smaller, when the position of the sample rack is inaccurate, the sampling reliability of a sample needle is directly influenced, the sample needle is likely to deviate from an actual sample bottle opening, sampling failure or error taking and other conditions occur, namely, the working reliability and stability of the conventional system are poor, and the detection efficiency and the detection quality are easy to influence.

Disclosure of Invention

In view of the above, the present utility model provides a sample supply system to solve the problems of the prior art that the accuracy of the sampling position of the sample rack is poor, and sampling failure is easy to occur, thereby reducing the detection efficiency and the detection quality.

The technical scheme is as follows:

a sample supply system, comprising:

a sample bin unit for storing a sample rack;

the conveying unit is arranged corresponding to the sample bin unit and the equipment to be supplied and is provided with at least one sampling channel and a return channel, wherein the sampling channel is sequentially provided with a buffer position and a sampling position along the direction far away from the sample bin unit, the conveying unit also comprises a buffer grip and a sampling grip which are respectively arranged corresponding to the buffer position and the sampling position, and the buffer grip and the sampling grip respectively move a sample frame positioned in the sampling channel to the buffer position and the sampling position in a pushing or/and pulling mode;

the dispatching unit is used for transferring the sample rack stored in the sample bin unit to the conveying unit or sending the sample rack inspected in the conveying unit back to the sample bin unit.

By adopting the scheme, compared with the traditional mode of directly utilizing sample frame and conveyor belt friction to drive, the direct utilization tongs in this application is carried the sample frame in place, realizes the accurate location of sample frame in the sample position, guarantees that the sample is successful to and higher detection efficiency and detection quality.

As preferable: the sampling tongs comprise a claw frame, a sampling driving mechanism for driving the claw frame to move along the conveying direction of a sampling channel, and a track switching mechanism for driving the claw frame to move along the direction perpendicular to the conveying direction of the sampling channel, wherein the claw frame comprises a frame body arranged along the conveying direction of the sampling channel, and a fixed claw and a movable claw which are respectively arranged at two ends of the frame body, the extending directions of the fixed claw and the movable claw are mutually perpendicular to the conveying direction of the sampling channel, the fixed claw is positioned at one end far away from a sample bin unit, and the movable claw can rotate towards one end where the fixed claw is positioned. By adopting the sampling gripper structure, the movable gripper does not obstruct the sample frame from entering the sampling position, and the fixed gripper and the movable gripper are mutually matched and move back and forth, so that the accurate positioning of the sample frame can be realized rapidly.

As preferable: the sampling gripper further comprises a sampling gripper seat, the track switching mechanism comprises a track changing guide rail and a track changing guide assembly, the track changing guide rail is mutually perpendicular to the conveying direction of the sampling channel, the frame body is in sliding fit with the track changing guide rail, a reset spring is arranged between the frame body and the sampling gripper seat, the reset spring is arranged in parallel with the track changing guide rail, and under the action of the reset spring in an initial state, the fixed claw and the movable claw extend into the sampling channel. By adopting the scheme, the fixed claw and the movable claw can be better attached to the front end surface and the rear end surface of the sample rack to realize push-pull, so that slipping is prevented or the sample rack is prevented from deflecting, the reliability of the sampling handle is improved, and the structure is simplified so as to be convenient to implement.

As preferable: the track change guiding assembly comprises a follow-up piece arranged on the claw frame and a guiding piece arranged on the sampling channel, when the sampling gripper moves towards the direction away from the sample bin unit and exceeds the sampling position, the follow-up piece and the guiding piece can be matched to guide the claw frame to move towards the direction away from the sampling channel, and the fixed claw and the movable claw withdraw from the sampling channel area. By adopting the scheme, the passive structure is utilized to cooperate with the guiding mode, so that the implementation cost is reduced, and the later maintenance and replacement are convenient.

As preferable: the sampling gripper seat is positioned below the sampling channel, a sliding window for the fixed claw and the movable claw to extend in and slide is formed in the bottom wall of the sampling channel, the follower is a follower roller, and the axis of the roller is perpendicular to the length direction of the sampling channel;

the guide piece comprises two baffles which are arranged on one side of the sampling channel in a deflectable way and an avoidance rail positioned below the sampling channel, the two baffles are distributed along the length direction of the sampling channel and positioned at the front end and the rear end of the avoidance rail, and the roller and the baffles are provided with space overlapping parts in the width direction of the sampling channel. By adopting the scheme, compared with the mode that the sampling gripper seat is arranged on one side of the sampling channel, the occupation of the width space of the whole conveying unit can be reduced, the occupation of a certain height space is only increased, and only the supporting structure is arranged below the original sampling channel, so that the space layout is relatively more reasonable.

As preferable: the side extrusion piece is arranged on one side of the sampling channel and corresponds to the sampling position, at least part of the side extrusion piece protrudes into the sampling channel under the action of the torsion spring, and the sample frame positioned at the sampling position is attached to the side wall on the opposite side. By adopting the scheme, the uncertainty of the relative position of the sample frame and the side wall of the sampling channel can be prevented when the sample frame is at the sampling position, and the accurate positioning of the sample frame can be realized more conveniently.

As preferable: the conveying unit further comprises an emergency channel, and an emergency positioning gripper and an emergency transferring gripper which are arranged corresponding to the emergency channel. By adopting the scheme, emergency requirements are met, the same emergency channel also adopts a gripper structure, and accurate positioning of emergency sampling is facilitated.

As preferable: the sample supply system further comprises a recovery unit, wherein the recovery unit is used for receiving the sampled sample frames in the emergency treatment channel and the sampling channel and sending the sample frames to the return channel, and the conveying ends of the emergency treatment channel and the sampling channel are respectively provided with a first stop structure. By adopting the scheme, the quick recovery of the sample rack in the emergency channel and the sampling channel can be realized by utilizing the recovery unit, and the stop structures at the tail ends of the two channels can fully ensure the working reliability of the recovery unit and prevent the situation that the sent-out extruded sample rack falls.

As preferable: the sample bin unit comprises a plurality of storage cavities which are arranged side by side, the tail ends of the storage cavities are provided with second stop structures, in an initial state, the second stop structures block a sample rack in the storage cavities from moving out of the storage cavities, and when the sample rack is subjected to a force towards the front ends of the storage cavities, the sample rack can rotate forwards to be in and out of the storage cavities;

the dispatching unit comprises a dispatching trolley, a dispatching driving mechanism and a dispatching gripper, wherein the dispatching driving mechanism is used for driving the dispatching trolley to slide along the side-by-side direction of the storage cavity and align the dispatching driving mechanism respectively, and the dispatching gripper is used for mutually transferring sample frames in the storage cavity and on the dispatching trolley. By adopting the scheme, the position of the sample rack in the storage cavity can be relatively fixed through the second stop structure, so that the hand grip can be conveniently dispatched to grasp and pull out.

As preferable: the sample supply system further comprises a code scanning unit, the code scanning unit comprises a code scanning head and a clamping module, the code scanning head and the clamping module are fixedly arranged relative to the dispatching unit, and the clamping module is used for clamping and rotating a sample bottle for inspection in a sample rack on the dispatching trolley so as to enable the code scanning head to scan codes for identification. By adopting the scheme, compared with the traditional mode of sweeping the code by grabbing the sample bottle by the aid of the grippers or manually correcting the code, the method is lower in cost, better in stability and beneficial to popularization and implementation.

Compared with the prior art, the utility model has the beneficial effects that:

by adopting the sample supply system provided by the utility model, the positioning accuracy of the sample rack at the sampling position is improved mainly through optimizing the structure of the conveying unit, the rapid and accurate sampling is ensured, and further, the good detection efficiency and the good detection quality are ensured, and the whole structure has better reliability and stability.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a perspective view of the conveying unit;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic diagram of a sampling driving mechanism and a track switching mechanism;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a top view of FIG. 5;

FIG. 8 is a schematic view of a sampling gripper;

FIG. 9 is an isometric view of FIG. 8;

FIG. 10 is a schematic diagram of the operation of the track switching mechanism;

FIG. 11 is a perspective view corresponding to FIG. 10;

FIG. 12 is a schematic view of the recovery unit;

FIG. 13 is a schematic diagram of the installation of a code scanning unit;

fig. 14 is a schematic view of a clamping module structure (clamping posture);

FIG. 15 is a schematic view of a clamping module configuration (open position);

FIG. 16 is a schematic diagram of the operation of the code scanning unit;

FIG. 17 is a schematic view of a sample cartridge unit structure;

FIG. 18 is an isometric view of FIG. 17;

FIG. 19 is a partial cross-sectional view of a sample cell;

FIG. 20 is a schematic view of a sample rack structure;

fig. 21 is a cross-sectional view of fig. 20.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to the sample supply system shown in fig. 1 to 21, the sample supply system is mainly used for supplying samples to a detection device, and comprises a sample bin unit 100, a conveying unit 200 and a dispatching unit 500 positioned between the sample bin unit 100 and the conveying unit 200, wherein the sample bin unit 100 is used for storing sample racks to be detected or completely detected, the sample racks are used for loading sample bottles, and the dispatching unit 500 is used for transferring the sample racks stored in the sample bin unit 100 to the conveying unit 200 or conveying the completely detected sample racks in the conveying unit 200 back to the sample bin unit 100.

In this application, the conveying unit 200 is located between the sample bin unit 100 and the detecting device as in the conventional structure, that is, corresponds to the sample bin unit 100 and is set by the device to be supplied, and has at least one sampling channel 210 and a return channel 220 at the front end of the input end corresponding to the sample bin unit 100, where the sampling channel 210 sequentially sets a buffer position and a sampling position along a direction far away from the sample bin unit 100, the conveying unit 200 further includes a buffer grip 300 and a sampling grip 400 that respectively correspond to the buffer position and the sampling position, and the buffer grip 300 and the sampling grip 400 respectively move the sample rack located in the sampling channel 210 to the buffer position and the sampling position in a pushing or/and pulling manner.

As shown in fig. 1 to 11, the sampling gripper 400 mainly includes a gripper frame 410, a sampling driving mechanism 420 for driving the gripper frame 410 to move along the conveying direction of the sampling channel 210, and a rail switching mechanism for driving the gripper frame 410 to move along a direction perpendicular to the conveying direction of the sampling channel 210 (i.e., a direction away from the sample bin unit 100).

The hook claw rack 410 includes a rack body 411 disposed along a conveying direction of the sampling channel 210, and a fixed claw 412 and a movable claw 413 disposed at two ends of the rack body 411, where the extending directions of the fixed claw 412 and the movable claw 413 are perpendicular to the conveying direction of the sampling channel 210, the fixed claw 412 is located at one end far away from the sample bin unit 100, the movable claw 413 can rotate towards the one end where the fixed claw 412 is located, and referring to fig. 8 and 9, in particular, the movable claw 413 is mounted at the end of the rack body 411 by a torsion spring and is correspondingly provided with a limiting protrusion 414, in an initial state, the movable claw 413 is abutted against the limiting protrusion 414 under the action of the torsion spring, and is opposite to the fixed claw 412, one side of the movable claw 413 opposite to the fixed claw 412 has an inclined guiding surface, and when the inclined guiding surface is pressurized, the upper end of the movable claw 413 rotates towards the one end where the fixed claw 412 is located, so as not to interfere with a rear component.

In order to facilitate the further accurate positioning of the sample rack at the sampling position, the vertical distance between the fixed jaw 412 and the movable jaw 413 is larger than the length of the sample rack, so that the fixed jaw 412 and the movable jaw 413 can both push the sample rack to adjust the position during the movement of the sampling gripper 400.

The track switching mechanism in the present application is mainly used for driving the fixed jaw 412 and the movable jaw 413 to separate from the inner space range of the sampling channel 210, so as to avoid interference to the movement of the sample rack.

As shown in the drawing, the sampling gripper 400 further includes a sampling gripper seat 430, the gripper seat 430 is mainly used for carrying the gripper frame 410, the track switching mechanism includes a track changing guide rail 431 and a track changing guide assembly, the track changing guide rail 431 is perpendicular to the conveying direction of the sampling channel 210, and is mainly used for guiding the gripper frame 410 to stably move in the direction close to or far away from the sampling channel 210, so that the frame 411 is in sliding fit with the track changing guide rail 431, a return spring 432 is disposed between the frame 411 and the sampling gripper seat 430, the return spring 432 is parallel to the track changing guide rail 431, in an initial state, under the action of the return spring 432, the frame 411 is located at the position closest to the sampling channel 210, and the fixed gripper 412 and the movable gripper 413 extend into the sampling channel 210.

The track change guiding component comprises a follower 433 arranged on the claw frame 410 and a guiding piece arranged on the sampling channel 210, when the sampling gripper 400 moves towards the direction far away from the sample bin unit 100 and exceeds the sampling position, the follower 433 and the guiding piece can cooperate to guide the claw frame 410 to move towards the direction far away from the sampling channel 210, and the fixed claw 412 and the movable claw 413 withdraw from the area of the sampling channel 210.

As shown in the drawing, in this embodiment, the sampling gripper base 430 is located below the sampling channel 210, the track rail 431 and the return spring 432 are vertically disposed on the gripper base 430, and are located on one side of the gripper base 430, and the upper and lower ends of the gripper base 430 have protruding portions for limiting the lifting stroke of the claw frame 410, where the claw frame 410 is in the upper stop position under the action of the return spring 432.

The bottom wall of the sampling channel 210 is provided with a sliding window 211 for the fixed claw 412 and the movable claw 413 to extend into and slide, the follower 433 is a follower roller, the roller is rotatably mounted on the frame 411, and the axis of the roller is perpendicular to the length direction of the sampling channel 210.

The guide member includes two baffles 434 disposed on one side of the sampling channel 210 in a deflectable manner and a avoidance rail 435 disposed below the sampling channel 210, where the two baffles 434 are distributed along the length direction of the sampling channel 210 and are disposed at front and rear ends of the avoidance rail 435, and the rollers and the baffles 434 have space overlapping portions in the width direction of the sampling channel 210, and in specific implementation, the baffles 434 are also mounted at the side lower position of the sampling channel 210 by torsion springs.

Referring to fig. 10 and 11 with emphasis, the baffle 434 is in an obtuse V shape, and includes a front baffle 4340 and a rear baffle 4341 (in this embodiment, the front and rear sides are both referred to as the sample bin unit 100, the front side is close to the front side, the rear side is far away from the front side), hereinafter referred to as the first baffle near the front end of the sampling channel 210, the other is the second baffle, the front baffle 4340 of the first baffle is sunk under the avoidance rail 435 and the roller under the action of the torsion spring in the initial state, the rear baffle 4341 is upwarp and is located on the translation path of the roller, the front baffle 4340 of the second baffle is basically flush with or slightly lower than the avoidance rail 435, and the rear baffle 4341 is upwarp and is also located on the translation path of the roller, and the highest point is flush with or slightly higher than the roller.

When the sampling handle 400 moves towards the end of the sampling channel 210, the roller can easily cross the first baffle and the second baffle, after crossing, the first baffle and the second baffle are reset, when the sampling handle 400 moves towards the front end of the sampling channel 210, the roller contacts with the back side of the rear baffle 4341 of the second baffle, guided by the back side, a downward guiding force is indirectly applied to the frame 411, and the frame 411 compresses the reset spring 432 to move downwards until the roller contacts with the surface of the avoidance rail 435.

When the sampling gripper 400 moves towards the front end of the sampling channel 210 and the roller contacts with the back side of the first baffle, the first baffle can be rotated and lifted clockwise without obstructing the forward movement of the sampling gripper 400, at this time, after the roller passes forward over the first baffle, the first baffle is reset again, the frame 411 is reset to be at the upper stop position under the action of the reset spring 432 and returns to the initial state, and the fixed claw 412 and the movable claw 413 both extend into the sampling channel, so that the push-pull positioning operation of the sample frame can be performed.

In this embodiment, the follower 433 adopts a roller structure, so that the sliding smoothness can be improved, and the follower also can directly adopt a fixed protrusion structure, which is within the protection scope of the present application.

The sampling driving mechanism 420 mainly comprises a sampling motor 421, a sampling positioning belt 422 and a sampling guide rail 423, wherein the sampling positioning belt 422 and the sampling guide rail 423 are arranged along the length direction of the sampling channel 210, a sampling slider 436 which is in sliding fit with the sampling guide rail 423 is arranged on one side, deviating from the frame 411, of the gripper seat 430, and the gripper seat 430 is fixedly connected with the sampling positioning belt 422.

In this embodiment, in order to further ensure the accuracy of the sampling position and the push-pull reliability, the sliding window 211 is close to a side wall of the sampling channel 210, meanwhile, one side of the sampling channel 210 has a side extrusion piece 212 corresponding to the setting of the sampling position, the side extrusion piece 212 protrudes into the sampling channel 210 at least partially under the action of the torsion spring, and the sample rack located at the sampling position is attached to a side wall of the opposite side, as shown in the figure, the side extrusion piece 212 also adopts a roller structure, the axis of the roller structure is set along the height direction of the sampling channel 210, the side wall of the sampling channel 210 is provided with a through hole for the side extrusion piece 212 to protrude into the sampling channel 210, and the side extrusion piece 212 and the sliding window 211 are arranged at two opposite sides, so that the sample rack is close to the side of the sliding window 211, thereby facilitating the operation of the sampling gripper 400.

The buffer gripper 300 mainly functions to convey the sample rack in the dispatching unit 500 to the middle position of the sampling channel 210, the buffer gripper 300 can reduce the stroke of the sampling gripper 400, so as to reduce the movement time of the sampling gripper 400 to improve the efficiency, and the buffer gripper comprises a buffer gripper frame 310 and a buffer driving mechanism 320 for driving the buffer gripper frame 310 to slide reciprocally along the length direction of the sampling channel 210, the buffer gripper 311 is movably mounted at the front end and the rear end of the buffer gripper frame 310 through torsion springs, the buffer gripper 311 is arranged along the width direction of the sampling channel 210 and extends at least partially to the position right above the sampling channel 210, and with reference to fig. 4, in addition, the buffer gripper 311 is mounted in a manner similar to a movable gripper 413, one end of the buffer gripper 311 protruding to the sampling channel 210 can rotate clockwise towards the end of the sampling channel 210 under the thrust towards the end of the sampling channel 210, but cannot rotate reversely, and when the thrust is eliminated, the buffer gripper 311 is reset.

The rotatable directions of the two buffer claws 311 are kept consistent, and one side of the two buffer claws facing the front end of the sampling channel 210 is provided with a guiding inclined plane, which is more beneficial to pushing the sample rack between the two buffer claws 311 and pulling the sample rack out from the buffer claws 311 at the tail end to the sampling position.

To further increase the functions of the supply system and meet more diagnostic requirements, the conveying unit 200 further includes an emergency channel 230, and an emergency positioning grip and an emergency transferring grip 240 disposed corresponding to the emergency channel 230, as shown in the drawing, the emergency channel 230, the sampling channel 210 and the return channel 220 are disposed in parallel, and the emergency positioning grip is similar to the sampling grip 400 in structure, and the emergency transferring grip 240 is similar to the buffering grip 300 in structure, except that the movement stroke of the emergency transferring grip 240 is relatively larger.

In order to improve the operation efficiency and fully realize the automatic operation, the sample supply system of the present application further includes a recovery unit 600, where the recovery unit 600 is configured to receive the sampled sample rack in the emergency channel 230 and the sampling channel 210 and send the sample rack to the return channel 220, and the conveying ends of the emergency channel 230 and the sampling channel 210 are respectively provided with a first stop structure 260.

Referring specifically to fig. 1, 2 and 12, the recovery unit 600 mainly includes a recovery channel switching rail 610 disposed along a width direction of the conveying unit 200, a recovery trolley 620 slidably engaged with the channel switching rail 610, and a recovery driving mechanism 630 driving the recovery trolley 620 to slide along the channel switching rail 610 so as to be capable of facing the emergency channel 230, the sampling channel 210 and the return channel 220, respectively, and including a recovery motor 631 and a recovery driving structure 632, wherein the recovery trolley 620 is disposed along a length direction of the conveying unit 200 as shown in the drawing, and a bottom is flush with bottoms of the diagnosis channel 230, the sampling channel 210 and the return channel 220.

When the recovery cart 620 is in alignment with the emergency path 230, the emergency transfer grip 240 can push the sample rack within the emergency path 230 into the recovery cart 620; similarly, a completion gripper 250 is disposed at a position near the end of the sampling channel 210, and the completion gripper 250 has a single-claw structure, similar to the second half of the buffer gripper 300, so that when the recovery trolley 620 is opposite to the sampling channel 210, the sample rack can be pushed into the recovery trolley 620 by the completion gripper 250. The return channel 220 is provided with a return gripper 221, the structure of the return gripper 221 is basically consistent with that of the buffer gripper 300, only the rotation direction of the hooks is reversely arranged, the corresponding return hooks can only rotate towards the front end of the return channel 220, and when the recovery trolley 620 is aligned with the return channel 220, the sample rack on the recovery trolley 620 can be pulled into the return channel 220 by the return gripper 221 and pushed into the dispatching unit 500 at the front end of the return channel 220.

The first stopping structure 260 comprises a stopping piece 261 and a reset tension spring A262 which are rotatably arranged at the tail end outlet positions of the emergency channel 230 and the sampling channel 210, wherein the stopping piece 261 is kept in a vertical state under the pulling of the reset tension spring A262, the tail ends of the two channels are stopped, the rotation pivot of the stopping piece 261 is lower than the bottom wall of the channel, the upper part of the stopping piece 261 is positioned on the moving stroke of the recovery trolley 260, when the recovery trolley 260 moves, the contacted stopping piece 261 can rotate until the whole stopping piece 261 is lower than the bottom wall of the corresponding channel and is pressed below the recovery trolley 260, so that the sample rack in the corresponding channel is not blocked from sliding out, and the stopping state is recovered under the action of the reset tension spring A262 after the recovery trolley 260 is removed.

The sample bin unit 100 comprises a plurality of storage cavities 110 arranged side by side, each storage cavity 110 is internally provided with an in-place sensor 111, the bottom of the sample rack A is provided with a second stop structure 120 with an in-place indicating sheet A0 matched with the in-place sensor 111, the tail end of each storage cavity 110 is provided with a second stop structure 120, in an initial state, the second stop structure 120 blocks the sample rack in the storage cavity 110 from moving out of the end, and when being subjected to force towards the front end of the storage cavity 110, the sample rack can rotate forwards to be in and out of the end.

The dispatching unit 500 in the present application includes a dispatching trolley 510, a dispatching driving mechanism 520 for driving the dispatching trolley 510 to slide along the side-by-side direction of the storage cavity 110 and align with each other, and a dispatching grip 530 for transferring sample racks in the storage cavity 110 and on the dispatching trolley 510 to each other. In addition, the sample supply system further includes a code scanning unit 700, where the code scanning unit 700 includes a code scanning terminal 710 and a clamping module 720 that are fixedly disposed relative to the dispatching unit 500, and the clamping module 720 is used to clamp and rotate a sample bottle for inspection located in a sample rack on the dispatching trolley 510, so as to scan the code for identification by the code scanning terminal 710.

Specifically, the dispatching unit 500 further includes a dispatching base 540, the dispatching trolley 510 and the code scanning unit 700 are both disposed on the dispatching base 540, the dispatching driving mechanism 520 includes a dispatching longitudinal slide rail 521 and a dispatching alignment motor 522 disposed along the distribution direction of the storage cavities 110, the dispatching base 540 is in sliding fit with the dispatching longitudinal slide rail 521, and the dispatching alignment motor 522 drives the dispatching base 540 to slide along the dispatching longitudinal slide rail 521 through a transmission mechanism, so that the dispatching trolley 510 can be opposite to each storage cavity 110.

The dispatch base 540 is provided with a dispatch transverse slide rail 550 arranged along the length direction of the storage cavity 110, the dispatch transverse slide rail 550 is provided with an installation seat 551 which is in sliding fit with the dispatch transverse slide rail, and a dispatch transfer motor 552 which is used for driving the installation seat to slide horizontally, the dispatch gripper 530 is arranged on the installation seat 551 through an electromagnet 553 which is arranged vertically, the electromagnet 553 is used for controlling the lifting of the dispatch gripper 530, the dispatch gripper 530 is arranged along the length direction of the storage cavity 110, the outer end of the dispatch gripper 530 is provided with an upward-arranged dispatch claw, the tail end of the sample rack A is provided with a hook groove A1 which is matched with the dispatch claw, the opening of the hook groove A1 faces downwards, the dispatch claw can just stretch into the opposite hook groove A1 when lifted, and the dispatch transfer motor 552 drives the installation seat 551 to retract horizontally, so that the sample rack A can be pulled out from the storage cavity 110.

Referring to fig. 13 to 19, the dispatching base 540 of the present embodiment has a vertically arranged support plate 541, the scanning head 710 is fixedly arranged on the inner side of the support plate 541, and the clamping module 720 is supported on the support plate 541, and specifically as shown in the drawings, the dispatching base mainly includes a clamping base 721, two sliding plates 722 slidably matched with the clamping base 721 are arranged on the clamping base 721, the two sliding plates 722 are opposite to each other and are connected with a reset tension spring B726, and the two sliding plates 722 keep a trend of approaching each other under the action of the reset tension spring B726.

A bump 723 with symmetrical structure is arranged between the two sliding plates 722, a clamping motor 730 for driving the bump 723 to rotate is arranged on the dispatching base 540, when the bump 723 rotates to the long side to be parallel to the sliding direction of the sliding plates 722, the bump is in an open posture, and when the short side is parallel to the bump, the distance between the two sliding plates 722 is the smallest, and the bump is in a clamping posture.

In this embodiment, in order to improve the working reliability thereof and prevent the occurrence of unexpected clamping during power failure, the bump 723 is generally in a rectangular block structure, two clamping wheels 7230 are disposed at the bottom of the bump 723, the clamping wheels 7230 are rotatably mounted on the bump 723, and meanwhile, an arc-shaped notch 7220 is disposed on the sliding plate 722 opposite to the clamping wheels 7230, and when the two clamping wheels 7230 fall into the corresponding arc-shaped notch 7220, the two clamping wheels 7230 are in an open posture and are not easy to fall out.

One of the sliding plates 722 is provided with two symmetrically arranged driven wheels 724, the other sliding plate 722 is provided with a driving wheel 725 and a rotating motor 740 for driving the driving wheel 725 to rotate, as shown in the figure, the driven wheels 724 and the driving wheel 725 are horizontally arranged below the clamping base plate 721 and have a height slightly higher than that of the dispatching trolley 510, the clamping and driving rotation of sample bottles with different heights are met, the driven wheels 724 and the driving wheel 725 are positioned at the same horizontal height, the driven wheels 724 and the driving wheel 725 are distributed in a shape of a Chinese character 'pin', the driven wheels 724 and the driving wheel 725 are encapsulated or are provided with sealing rings to contact the sample bottles, a three-point clamping and driving rotation structure is formed, and a scanning path of the scanning terminal 710 is opposite to a three-point central vertical shaft surface.

Referring to the sample supply system shown in fig. 1 to 21, a sample rack a carrying sample bottles is initially stored in a sample bin unit 100, and after detection is started, the sample rack a in a storage cavity 110 is pulled onto a dispatching trolley 510 by a dispatching grip 530, and in the process, code scanning records are performed on each sample bottle by a code scanning unit 700.

Then, according to the diagnosis type of the sample bottle on the sample rack A, whether the diagnosis is normal diagnosis or emergency, the sample bottle is sent to the sampling channel 210 or the emergency channel 230, and the sample rack in the corresponding channel is positioned by adopting the sampling grip 400 or the emergency positioning grip, so that accurate sampling is matched with detection, and the sampling error rate is reduced.

After the detection is completed, the corresponding sample rack is sent to the recovery trolley 620 by the completion hand 250 or the emergency transfer hand 240, then pulled into the return channel 220 by the return hand 221 in the return channel 220, and finally sent to the idle storage cavity 110 by the dispatch unit 500.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. A sample supply system, comprising:

a sample bin unit (100) for storing sample racks;

the conveying unit (200) is arranged corresponding to the sample bin unit (100) and the equipment to be supplied and is provided with at least one sampling channel (210) and a return channel (220), wherein the sampling channel (210) is sequentially provided with a buffer position and a sampling position along the direction far away from the sample bin unit (100), the conveying unit (200) further comprises a buffer grip (300) and a sampling grip (400) which are respectively arranged corresponding to the buffer position and the sampling position, and the buffer grip (300) and the sampling grip (400) respectively move a sample rack positioned in the sampling channel (210) to the buffer position and the sampling position in a pushing or/and pulling mode;

and the dispatching unit (500) is used for transferring the sample rack stored in the sample bin unit (100) to the conveying unit (200) or sending the sample rack inspected in the conveying unit (200) back to the sample bin unit (100).

2. The sample supply system of claim 1, wherein: the sampling gripper (400) comprises a gripper frame (410), a sampling driving mechanism (420) for driving the gripper frame (410) to move along the conveying direction of the sampling channel (210), and a track switching mechanism for driving the gripper frame (410) to move along the direction perpendicular to the conveying direction of the sampling channel (210), wherein the gripper frame (410) comprises a frame body (411) arranged along the conveying direction of the sampling channel (210), and a fixed gripper (412) and a movable gripper (413) which are respectively arranged at two ends of the frame body (411), the extension directions of the fixed gripper (412) and the movable gripper (413) are mutually perpendicular to the conveying direction of the sampling channel (210), the fixed gripper (412) is positioned at one end far away from the sample bin unit (100), and the movable gripper (413) can rotate towards the end where the fixed gripper (412) is positioned.

3. The sample supply system of claim 2, wherein: the sampling gripper (400) further comprises a sampling gripper seat (430), the track switching mechanism comprises a track changing guide rail (431) and a track changing guide assembly, the track changing guide rail (431) is perpendicular to the conveying direction of the sampling channel (210), the frame body (411) is in sliding fit with the track changing guide rail (431), a reset spring (432) is arranged between the frame body (411) and the sampling gripper seat (430), the reset spring (432) is arranged in parallel with the track changing guide rail (431), and under the action of the reset spring (432), the fixed claw (412) and the movable claw (413) extend into the sampling channel (210) in an initial state.

4. A sample supply system as claimed in claim 3, wherein: the track change guiding assembly comprises a follower (433) arranged on the claw frame (410) and a guiding piece arranged on the sampling channel (210), when the sampling gripper (400) moves away from the direction of the sample bin unit (100) and exceeds a sampling position, the follower (433) and the guiding piece can be matched to guide the claw frame (410) to move away from the direction of the sampling channel (210), and the fixed claw (412) and the movable claw (413) withdraw from the area of the sampling channel (210).

5. The sample supply system of claim 4, wherein: the sampling gripper seat (430) is positioned below the sampling channel (210), a sliding window (211) for the fixed claw (412) and the movable claw (413) to extend into and slide is formed in the bottom wall of the sampling channel (210), the follower (433) is a follower roller, and the axis of the roller is perpendicular to the length direction of the sampling channel (210);

the guide piece comprises two baffles (434) which are arranged on one side of the sampling channel (210) in a deflectable way and an avoidance rail (435) which is arranged below the sampling channel (210), the two baffles (434) are distributed along the length direction of the sampling channel (210) and are positioned at the front end and the rear end of the avoidance rail (435), and the roller and the baffles (434) are provided with space overlapping parts in the width direction of the sampling channel (210).

6. The sample supply system of any one of claims 1 to 5, wherein: the side extrusion piece (212) is arranged at one side of the sampling channel (210) corresponding to the sampling position, and the side extrusion piece (212) at least partially protrudes into the sampling channel (210) under the action of the torsion spring, and the sample rack at the sampling position is attached to the side wall at the opposite side.

7. The sample supply system of any one of claims 1 to 5, wherein: the conveying unit (200) further comprises an emergency channel (230), and an emergency positioning grip and an emergency transferring grip (240) which are arranged corresponding to the emergency channel (230).

8. The sample supply system of claim 7, wherein: the sample supply system further comprises a recovery unit (600), wherein the recovery unit (600) is used for receiving the sampled sample frames in the emergency treatment channel (230) and the sampling channel (210) and sending the sample frames to the return channel (220), and the conveying ends of the emergency treatment channel (230) and the sampling channel (210) are respectively provided with a first stop structure.

9. The sample supply system of claim 1, wherein: the sample bin unit (100) comprises a plurality of storage cavities (110) which are arranged side by side, the tail ends of the storage cavities (110) are provided with second stop structures, in an initial state, the second stop structures block the sample frames in the storage cavities (110) from moving out from the ends, and when being subjected to force towards the front ends of the storage cavities (110), the sample frames can rotate forwards to enter and exit from the ends;

the dispatching unit (500) comprises a dispatching trolley (510), a dispatching driving mechanism (520) for driving the dispatching trolley (510) to slide along the side-by-side direction of the storage cavity (110) and respectively aligning, and a dispatching grip (530) for mutually transferring sample racks in the storage cavity (110) and on the dispatching trolley (510).

10. The sample supply system of claim 1 or 9, wherein: the sample supply system further comprises a code scanning unit (700), the code scanning unit (700) comprises a code scanning head (710) and a clamping module (720) which are fixedly arranged relative to the dispatching unit (500), and the clamping module (720) is used for clamping and rotating a sample bottle for inspection in a sample rack on the dispatching trolley (510) so as to enable the code scanning head (710) to scan codes for identification.