CN220885687U - Sample tray transfer device - Google Patents

Abstract

The utility model discloses a sample tray transfer device, which comprises: a tray transfer assembly for receiving a sample tray from a designated pick-up location and unloading the sample tray at a designated drop-out location; the transfer driving assembly is used for driving the tray conveying assembly to move between a designated tray taking position and a designated tray placing position; the tray transmission assembly comprises a tray supporting plate for bearing the sample tray, and a transmission driving assembly for driving the sample tray to enter the tray supporting plate along the transmission direction or moving the sample tray out of the tray supporting plate along the transmission direction is arranged on the tray supporting plate; the transfer driving assembly comprises a horizontal driving assembly for driving the tray conveying assembly to move in the horizontal plane, the horizontal driving assembly comprises an X-direction driving assembly and a Y-direction driving assembly which are perpendicular to each other, and the direction in which the X-direction driving assembly or the Y-direction driving assembly drives the tray conveying assembly to move is parallel to the direction in which the conveying driving assembly drives the sample tray to enter and exit the tray supporting plate.

Description

Sample tray transfer device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a sample tray transfer device.

Background

In the prior art, when refrigerating samples, it is common to place a single sample tube on a pipeline and then transfer the sample tube into the refrigerating device by using an external manipulator. Be provided with the sample rack that is used for placing the sample pipe in the cold-stored device, the sample rack is equipped with the multilayer, and each layer of sample rack is equipped with the triaxial manipulator that can remove in the plane respectively. Specifically, the interior of the refrigerating device is also provided with a transmission mechanism for conveying the sample tube to the corresponding layer of the sample rack, and after the sample tube is conveyed to the corresponding layer of the sample rack by using the transmission mechanism, the sample tube is transferred into the placement position of the corresponding layer of the sample rack by using the triaxial manipulator arranged on each layer of the sample rack.

The prior art can meet the transfer operation requirement when the sample is refrigerated, but has the following defects:

(1) Each layer of the sample placing rack is provided with a triaxial manipulator, so that the sample placing rack in the refrigerating device has the defects of complex structure, more electric resource requirements, low space utilization rate and poor economy;

(2) The external manipulator transfers one sample tube into the refrigerator at a time, and the transfer mechanism in the refrigerator and the triaxial manipulator can transfer only one sample tube at a time, resulting in low efficiency of cold storage transfer of the sample tube.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a sample tray transfer device capable of transferring a sample tray, thereby enabling synchronous transfer of sample tubes loaded in the sample tray and improving efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a sample tray transfer apparatus, comprising:

A tray transfer assembly for receiving a sample tray from a designated pick-up location and unloading the sample tray at a designated drop-out location;

the transfer driving assembly is used for driving the tray conveying assembly to move between a designated tray taking position and a designated tray placing position;

the tray transmission assembly comprises a tray supporting plate for bearing the sample tray, and a transmission driving assembly for driving the sample tray to enter the tray supporting plate along the transmission direction or moving the sample tray out of the tray supporting plate along the transmission direction is arranged on the tray supporting plate;

The transfer driving assembly comprises a horizontal driving assembly used for driving the tray conveying assembly to move in a horizontal plane, the horizontal driving assembly comprises an X-direction driving assembly and a Y-direction driving assembly which are perpendicular to each other, and the direction in which the X-direction driving assembly or the Y-direction driving assembly drives the tray conveying assembly to move is parallel to the direction in which the conveying driving assembly drives the sample tray to enter and exit the tray supporting plate.

Further, the transmission driving assembly comprises two transmission belt wheels respectively positioned at two ends of the tray supporting plate and a transmission belt sleeved between the two transmission belt wheels.

Further, an inner side surface of the transmission belt is an inner tooth surface, and transmission gear teeth meshed with the inner tooth surface are arranged on the transmission belt wheel.

Further, the transmission driving assembly further comprises a transmission motor and a driving belt wheel in transmission connection with an output shaft of the transmission motor, and the driving belt wheel is meshed with the inner tooth surface.

Further, the transmission belt wheel or the driving belt wheel is provided with a code wheel which rotates synchronously with the transmission belt wheel or the driving belt wheel, the code wheel is uniformly distributed with code wheel through holes in a ring shape, and the tray supporting plate is provided with a code wheel optocoupler matched with the code wheel.

Further, the outer side surface of the conveyor belt is an outer tooth surface meshed with a tooth-shaped structure arranged on the bottom surface of the sample tray.

Further, the Y-direction driving assembly is arranged on the X-direction driving assembly, and the tray conveying assembly is arranged on the Y-direction driving assembly; and a lifting driving assembly positioned in the vertical direction is arranged between the X-direction driving assembly and the Y-direction driving assembly or between the Y-direction driving assembly and the tray transmission assembly, and the lifting driving assembly is used for driving the external tooth surface to be meshed with or separated from a tooth-shaped structure on the bottom surface of the sample tray.

Further, the X-direction driving assembly comprises an X-direction bottom plate, an X-direction track parallel to the X-direction is arranged on the X-direction bottom plate, an X-direction sliding block which is in sliding fit with the X-direction track is arranged on the X-direction track, and an X-direction driving mechanism for driving the X-direction sliding block to move along the X-direction track is arranged on the X-direction bottom plate.

Further, the Y-direction driving assembly comprises a Y-direction bottom plate, and the lifting driving assembly is arranged between the X-direction driving assembly and the Y-direction driving assembly; the lifting driving assembly comprises a lifting seat arranged on the X-direction sliding block, a lifting track is arranged on the lifting seat, a lifting sliding block which is in sliding fit with the lifting track is arranged on the lifting track, and a lifting driving mechanism for driving the lifting sliding block to move along the lifting track is arranged on the lifting seat; and a lifting connecting seat fixedly connected with the lifting sliding block is arranged on the Y-direction bottom plate.

Further, an elastic pressing mechanism for pressing the sample tray is arranged on the tray supporting plate so that the tooth-shaped structure at the bottom of the sample tray is meshed with the outer tooth surface.

Further, the elastic pressing mechanism comprises two elastic pressing units respectively positioned at two ends of the tray supporting plate; the elastic pressing unit comprises tray pressing arms which are respectively positioned at two sides of the conveying belt, torsion spring seats are arranged on the tray supporting plates in one-to-one correspondence with the tray pressing arms, the tray pressing arms are in running fit with the tray supporting plates through the corresponding torsion spring seats, and a rotation limiting structure for limiting the rotation range of the supporting plate pressing arms to enable sample trays to enter and exit the tray supporting plates is arranged between the tray pressing arms and the tray supporting plates.

Further, the end part of the tray pressing arm is provided with a tray pressing block protruding downwards, and the end surfaces of the two ends of the tray pressing block are provided with guide surfaces for guiding the sample tray.

Further, the bottom surface of the tray pressing block is provided with a roller which is used for being matched with the sample tray in a rolling way.

Further, the Y-direction driving assembly is arranged on the X-direction driving assembly, and the tray conveying assembly is arranged on the Y-direction driving assembly; the Y-direction driving assembly comprises a Y-direction bottom plate, and a Y-direction driving mechanism is installed on the Y-direction bottom plate.

Further, the Y-direction driving mechanism adopts a double-distance driving assembly, the double-distance driving assembly comprises an active moving seat and a passive moving seat, a transmission gear is arranged between the active moving seat and the passive moving seat, two ends of the transmission gear are respectively in running fit with the active moving seat and the passive moving seat, and a driving mechanism for driving the active moving seat to move along the Y direction is arranged on the Y-direction bottom plate;

An upper rack and a lower rack which are positioned in the Y direction are respectively arranged on the upper side and the lower side of the transmission gear, and the upper rack and the lower rack are meshed with the transmission gear; the Y-direction bottom plate is provided with a first Y-direction track, a first Y-direction sliding block which is in sliding fit with the first Y-direction track is arranged on the first Y-direction track, and the passive moving seat is arranged on the first Y-direction sliding block; the bottom surface of tray layer board is equipped with the second Y to the track, be equipped with on the second Y to the track rather than sliding fit's second Y to the slider, passive removal seat with second Y to slider fixed connection.

The utility model has the beneficial effects that:

According to the sample tray transfer device, the tray transfer assembly is arranged for receiving or unloading the sample tray, and the transfer driving assembly is arranged to comprise the X-direction driving assembly and the Y-direction driving assembly which are perpendicular to each other, so that the transfer driving assembly can drive the tray transfer assembly to move in a horizontal plane between the designated tray taking position and the tray placing position; the tray conveying assembly drives the sample tray to enter or move out of the tray conveying direction parallel to the X-direction driving assembly or the Y-direction driving assembly, so that the tray conveying assembly can conveniently align with the designated tray taking position and tray placing position; when the tray conveying device is used, the transfer driving assembly is used for driving the tray conveying assembly to move to the tray taking position, and after the sample tray is received on the sample supporting plate, the transfer driving assembly is used for moving the tray conveying assembly to the tray placing position, so that the sample tray received on the sample supporting plate is unloaded; the sample tray can be transported in a reciprocating manner, and a plurality of sample tubes loaded in the sample tray can be synchronously transported, so that the efficiency can be effectively improved; the sample tray transfer apparatus of the present utility model is more suitable for transferring a sample tray to a refrigerating apparatus externally when applied to sample refrigeration.

The utility model also has the following advantages:

(1) The inner side surface and the outer side surface of the transmission belt are respectively set to be the inner tooth surface and the outer tooth surface, namely, the two sides of the transmission belt are both set to be tooth surfaces, so that the transmission belt wheel and the driving belt wheel are meshed with the inner tooth surface through transmission gear teeth to drive the transmission belt to move, slipping between the transmission belt wheel and the transmission belt can be avoided, and the moving distance of the transmission belt can be accurately controlled by controlling the rotating angle of the driving belt wheel; the outer tooth surface is meshed with the tooth-shaped structure at the bottom of the sample tray, so that slipping between the outer tooth surface and the sample tray can be avoided by utilizing the meshing relationship between the outer tooth surface and the sample tray, and the position of the sample tray on the tray supporting plate can be accurately controlled;

(2) The lifting driving assembly is arranged between the X-direction driving assembly and the Y-direction driving assembly or between the Y-direction driving assembly and the tray conveying assembly, when the tray conveying assembly is positioned at the tray taking position, the tray conveying assembly is downwards moved by a set distance by utilizing the lifting driving assembly, so that the sample tray is positioned above the conveying belt; then, the tray conveying assembly is moved upwards by utilizing the lifting driving assembly, so that the outer tooth surface of the conveying belt can be meshed with the tooth-shaped structure at the bottom of the sample tray; when the tray conveying assembly is positioned at the tray placing position, the sample tray is driven by the conveying belt to be unloaded in place, and then the tray conveying assembly is driven by the lifting driving assembly to move downwards, so that the outer tooth surface of the conveying belt is separated from the sample tray; namely, by arranging the lifting driving assembly, the outer tooth surface and the sample tray can be conveniently controlled to be meshed or separated in the process of carrying and unloading the sample tray;

(3) The elastic pressing mechanism is arranged on the tray supporting plate, and the downward pressure action is exerted on the sample tray by the tray pressing arm, so that the sample tray and the external tooth surface can be kept in an engaged state;

(4) The Y-direction driving mechanism is set as a double-distance driving assembly, the tray transmission assembly is arranged on the double-distance driving assembly, the driving mechanism is used for driving the movable seat to move along the Y direction, the transmission gear is used for moving and rotating along the lower rack by virtue of the meshing relationship between the transmission gear and the lower rack, the rotating transmission gear drives the upper rack meshed with the transmission gear to move, so that the distance of the transmission gear moving relative to the lower rack is equal to the distance of the upper rack moving relative to the transmission gear, and the distance of the upper rack moving relative to the lower rack is equal to twice of the distance of the driving mechanism driving the movable seat to move; thus, the space occupied by the Y-direction driving mechanism can be effectively reduced.

Drawings

In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:

FIG. 1 is a schematic view of a sample tray transfer apparatus;

FIG. 2 is a left side view of the sample tray transfer apparatus of the present embodiment;

FIG. 3 is a cross-sectional view of the multiple distance drive assembly;

FIG. 4 is a schematic structural view of a pallet transport assembly;

FIG. 5 is a schematic view of a sample tray;

Fig. 6 is a lower isometric view of fig. 5.

Reference numerals illustrate:

1-sample tray; 2-tooth structure;

100-pallet transport assembly; 101-a pallet; 110-a transmission drive assembly; 111-a transmission pulley; 112-a conveyor belt; 1121-an inside flank; 1122-outer tooth surface; 113-a transmission motor; 115-a guide pulley; 116-code wheel; 1161—a code wheel through hole; 117-code wheel optocoupler; 118-in-place detection optocoupler; 121-a tray pressing arm; 122-torsion spring seat; 123-a movable limiting block; 124-fixing a limiting block; 125-pallet briquetting; 1251-guide surface; 126-a roller;

210-X drive assembly; 211-X direction bottom plate; 212-X direction track; 213-X direction slide block; 214-a synchronous pulley; 215-synchronous belt; 216-X direction driving motor; 217-optocoupler sensor;

220-Y direction drive assembly; 221-Y direction bottom plate; 222-active mobile seat; 223-passive movement of the seat; 224-a drive gear; 225-a first bearing; 226-a second bearing; 227-upper rack; 228-lower rack; 229-a first Y-track; 230-a first Y-direction slider; 231-a second Y-track; 232-a second Y-direction slider; 233-screw rod; 234-lead screw motor; 235-optocoupler sensor; 236-light blocking sheet;

240-a lift drive assembly; 241-lifting base; 242-lifting rails; 243-lifting slide blocks; 244-lifting connecting seat; 245-a linear motor; 246-lifting support.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model, so that those skilled in the art may better understand the utility model and practice it.

As shown in fig. 1-2, the sample tray transfer apparatus of the present embodiment includes a tray transfer assembly 100 and a transfer drive assembly. In particular, the tray transfer assembly 100 is used to receive sample trays from a designated pick-up location and to unload sample trays at a designated drop-out location. The transfer drive assembly is used to drive the tray transfer assembly 100 between a designated pick-up position and a designated drop-out position.

The tray conveying assembly 100 of the present embodiment includes a tray supporting plate 101 for carrying the sample tray 1, and a conveying driving assembly 110 for driving the sample tray 1 into the tray supporting plate 101 along the conveying direction or for moving the sample tray 1 out of the tray supporting plate 101 along the conveying direction is provided on the tray supporting plate 101.

The transfer driving assembly of the present embodiment includes a horizontal driving assembly for driving the tray conveying assembly 100 to move in a horizontal plane, the horizontal driving assembly includes an X-direction driving assembly 210 and a Y-direction driving assembly 220 that are perpendicular to each other, and a direction in which the X-direction driving assembly 210 or the Y-direction driving assembly 220 drives the tray conveying assembly 10 to move is parallel to a direction in which the conveying driving assembly 100 drives the sample tray to enter and exit the tray pallet. Specifically, in the present embodiment, the Y-direction driving assembly 220 is mounted on the X-direction driving assembly 210, and the tray transfer assembly 100 is mounted on the Y-direction driving assembly 220. In this embodiment, the direction in which the Y-direction driving assembly 220 drives the tray transporting assembly 10 to move is parallel to the direction in which the transporting driving assembly 100 drives the sample tray to enter and exit the tray supporting plate; of course, in other embodiments, the direction in which the X-direction driving assembly 210 drives the tray conveying assembly 10 is parallel to the direction in which the conveying driving assembly 100 drives the sample tray into and out of the tray supporting plate, which will not be described again.

The X-direction driving assembly 210 of this embodiment includes an X-direction base 211, an X-direction rail 212 parallel to the X-direction is provided on the X-direction base 211, an X-direction slider 213 slidably engaged with the X-direction rail 212 is mounted on the X-direction rail 212, and an X-direction driving mechanism for driving the X-direction slider 213 to move along the X-direction rail 212 is provided on the X-direction base 211. In this embodiment, the X-direction driving mechanism adopts a synchronous belt mechanism, specifically, the synchronous belt mechanism includes two synchronous pulleys 214 respectively located at two ends of the X-direction track 212 and a synchronous belt 215 sleeved between the two synchronous pulleys 214, wherein one synchronous pulley 214 is in transmission connection with an X-direction driving motor 216, and the synchronous belt 215 is fixedly connected with an X-direction slider 213. Specifically, in this embodiment, the X-direction tracks 212 are two parallel to each other, the two X-direction tracks 212 are respectively provided with an X-direction slider 213, and the Y-direction driving assembly 220 is mounted on the two X-direction sliders 213, so that the stability of the movement of the Y-direction driving assembly 220 along the X-direction tracks 212 can be improved. In this embodiment, in order to position the Y-direction driving component 220 in the X-direction, an optocoupler sensor 217 is disposed on the X-direction bottom plate 211 along the X-direction track 212, and a light blocking sheet matched with the optocoupler sensor 217 is disposed on the X-direction slider 213 or the Y-direction driving component 220.

The Y-direction driving assembly 220 of the present embodiment is mounted on the X-direction driving assembly 210, and the tray transfer assembly 100 is mounted on the Y-direction driving assembly 220. Specifically, the Y-direction drive assembly 220 includes a Y-direction base 221, and the Y-direction base 221 has a Y-direction drive mechanism mounted thereon. The Y-direction drive mechanism is used to drive the tray transfer assembly 100 to move in the Y-direction, i.e., the Y-direction drive mechanism can be implemented in a variety of ways that exist. However, the existing driving mechanisms are all primary driving mechanisms, the length of the driving mechanism in the Y direction is matched with the moving stroke of the tray conveying assembly 100 in the Y direction, so that the length of the driving mechanism is long, and the occupied space is large. In this embodiment, the Y-direction driving mechanism employs a multiple-pitch driving assembly. As shown in fig. 3, the multiple distance driving assembly of the present embodiment includes an active moving seat 222 and a passive moving seat 223, a transmission gear 224 is disposed between the active moving seat 222 and the passive moving seat 223, two ends of the transmission gear 224 are respectively in running fit with the active moving seat 222 and the passive moving seat 223 through a first bearing 225 and a second bearing 226, and a driving mechanism for driving the active moving seat 222 to move along the Y direction is disposed on the Y-direction bottom plate 221. In this embodiment, the upper and lower sides of the transmission gear 224 are respectively provided with an upper rack 227 and a lower rack 228 located in the Y direction, the upper rack 227 and the lower rack 228 are engaged with the transmission gear 224, the lower rack 228 is fixedly mounted on the Y-direction bottom plate 221, and the upper rack 227 is fixedly connected with the pallet transmission assembly 100. In this embodiment, the Y-direction bottom plate 221 is provided with a first Y-direction rail 229, the first Y-direction rail 229 is provided with a first Y-direction slider 230 in sliding fit with the first Y-direction rail 229, and the passive moving seat 223 is mounted on the first Y-direction slider 230. In this embodiment, the bottom surface of the tray supporting plate 101 is provided with a second Y-track 231, the second Y-track 231 is provided with a second Y-slider 232 in sliding fit with the second Y-track 231, and the passive moving seat 223 is fixedly connected with the second Y-slider 232. Specifically, the driving mechanism for driving the active moving seat 222 to move along the Y direction may be implemented in various existing manners, and the driving mechanism of this embodiment adopts a threaded screw mechanism. Specifically, the driving mechanism includes a screw 233 in threaded engagement with the active moving seat 222 and a screw motor 234 in driving connection with the screw 233, and the screw motor 234 is mounted on the Y-direction bottom plate 221. An optocoupler sensor 235 is arranged on the Y-direction bottom plate 221 along the Y-direction in the embodiment, and a light blocking sheet 236 matched with the optocoupler sensor 235 is arranged on the active moving seat 222.

The tray conveying assembly 100 of the present embodiment includes a tray supporting plate 101 for carrying the sample tray 1, and a conveying driving assembly 110 for driving the sample tray 1 into the tray supporting plate 101 along the conveying direction or for moving the sample tray 1 out of the tray supporting plate 101 along the conveying direction is provided on the tray supporting plate 101. The transmission driving assembly 110 may be implemented in various existing manners, such as a belt transmission mechanism that drives the sample tray 1 to move in the tray supporting plate 101 along the transmission direction by using friction between a conveyor belt and the sample tray 1, such as a hooking moving mechanism that drives the sample tray 1 to move in the tray supporting plate 101 along the transmission direction by using a hooking mechanism matched with the sample tray 1, and the like. However, the conventional belt transmission mechanism which drives the sample tray 1 to move by friction force has the problem of low conveying efficiency, and the hooking moving mechanism has the defects of complex structure and further space improvement although the transmission efficiency is improved compared with the conventional belt transmission mechanism. For this purpose, as shown in fig. 4, the transmission driving assembly 110 of the present embodiment includes two transmission pulleys 111 respectively located at both ends of the tray support plate 101 and a transmission belt 112 interposed between the two transmission pulleys 111. In this embodiment, the inner side surface of the transmission belt 112 is the inner tooth surface 1121, and the transmission pulley 111 is provided with transmission gear teeth (not shown in the figure) meshed with the inner tooth surface 1121, so that the transmission belt 112 and the transmission pulley 111 are meshed with each other, and slip between the transmission belt 112 and the transmission pulley 111 can be effectively avoided. The transmission driving assembly 110 of the present embodiment further includes a transmission motor 113 and a driving pulley (not shown) drivingly connected to an output shaft of the transmission motor 113, the driving pulley being engaged with the inner tooth surface 1121. The driving pulley may be one of the transmission pulleys 111, and the transmission pulleys 111 of the present embodiment are independently provided. Specifically, in order to further stabilize the meshing engagement between the driving pulley and the inner tooth face 1121, the transmission drive assembly 110 of the present embodiment further includes a guide pulley 115 for guiding the transmission belt 112 to the driving pulley. In order to detect the distance that the sample tray 1 is driven by the conveying belt 112 to move along the conveying direction, a code disc 116 which rotates synchronously with the sample tray is arranged on the conveying belt wheel 111 or the driving belt wheel, code disc through holes 1161 are uniformly distributed on the code disc 116 in a ring shape, and a code disc optocoupler 117 matched with the code disc 116 is arranged on the tray supporting plate 101. Through setting up code wheel 116 and code wheel opto-coupler 117, not only can detect the travel distance of sample tray 1, but also can detect motor step out, mechanism clamping stagnation etc. simultaneously through code wheel through-hole 1161 and transmission band 112 location can guarantee that transmission band 112 and sample tray 1 are initial to be engaged with the time of the tooth that does not have. In this embodiment, the tray supporting plate 101 is further provided with an in-place detection optocoupler 118, and the in-place detection optocoupler 118 is used for detecting whether the sample tray 1 reaches a preset position on the tray supporting plate 101.

In this embodiment, the outer surface of the conveyor belt 112 is the outer tooth surface 1122 which meshes with the tooth structure 2 provided on the bottom surface of the sample tray 1, so that slipping between the conveyor belt 112 and the sample tray 1 can be effectively prevented. In a preferred embodiment of the present embodiment, in order to keep the sample tray 1 in an engaged state with the conveyor belt 112 in the tray pallet 101 all the time, the present embodiment is provided with an elastic pressing mechanism for pressing the sample tray 1 so that the tooth-shaped structure of the bottom of the sample tray 1 is kept engaged with the external tooth surface 1122 on the tray pallet 101. The elastic pressing mechanism of this embodiment includes two elastic pressing units respectively located at two ends of the tray supporting plate 101, each elastic pressing unit includes a tray pressing arm 121 respectively located at two sides of the conveying belt 112, torsion spring seats 122 are provided on the tray supporting plate 101 in one-to-one correspondence with the tray pressing arms 121, the tray pressing arms 121 are in running fit with the tray supporting plate 101 through the corresponding torsion spring seats 122, and a rotation limiting structure for limiting the rotation range of the tray pressing arms 121 is provided between the tray pressing arms 121 and the tray supporting plate 101 so that the sample tray 1 can enter and exit the tray supporting plate 101. Specifically, in this embodiment, the torsion spring seat 122 is rotationally matched with the tray supporting plate 101, and the tray pressing arm 121 is fixedly connected with the torsion spring seat 122. In this embodiment, the rotation limiting structure includes a movable limiting block 123 disposed on the tray pressing arm 121, and a fixed limiting block 124 in limiting fit with the movable limiting block 123 is disposed on the tray supporting plate 101. In a preferred embodiment of the present embodiment, the end of the tray pressing arm 121 is provided with a tray pressing block 125 protruding downward, and both end surfaces of the tray pressing block 125 are provided with guide surfaces 1251 for guiding the sample tray 1. The guide surface 1251 may be a slant surface or a smooth curved surface, and the guide surface 1251 of this embodiment is a slant surface. By arranging the tray pressing block 125 so as to apply pressure to the sample tray 1 positioned in the tray supporting plate 101, the stability of the meshing coordination relationship between the sample tray 1 and the conveying belt 112 is ensured; by providing the guide surface 1251 on the tray pressing block 125, the sample tray 1 can be guided to enter and exit the tray pallet 101 through the tray pressing arm 121. In the preferred embodiment of the present embodiment, a roller 126 for rolling engagement with the sample tray 1 is provided on the bottom surface of the tray pressing block 125.

In order to enable better engagement and disengagement between the external tooth surface 1122 and the tooth structure 2 of the bottom surface of the sample tray 1, the present embodiment provides a lift drive assembly 240 for driving the tray transfer assembly 100 to move in the vertical direction. Specifically, the elevation drive assembly 240 may be installed between the X-direction drive assembly 210 and the Y-direction drive assembly 220, and the elevation drive assembly 240 may be installed between the Y-direction drive assembly 220 and the tray transfer assembly 100. In this embodiment, the lift drive assembly 240 is mounted between the X-direction drive assembly 210 and the Y-direction drive assembly 220. Specifically, the lifting driving assembly 240 of this embodiment includes a lifting seat 241 mounted on the X-direction slider 213, a lifting rail 242 is disposed on the lifting seat 241, a lifting slider 243 slidably matched with the lifting rail 242 is disposed on the lifting rail 242, and a lifting driving mechanism for driving the lifting slider 243 to move along the lifting rail 242 is mounted on the lifting seat 241. A lifting connecting seat 244 fixedly connected with the lifting sliding block 243 is arranged on the Y-direction bottom plate 221. In this embodiment, the lifting base 241 includes two side plates respectively mounted on the two X-direction sliders 213, and lifting rails 242 are respectively disposed on the two side plates. The lifting seat 241 further comprises an installation bottom plate positioned at the lower parts of the two side plates, the lifting driving mechanism comprises a linear motor 245 arranged on the lifting bottom plate, a lifting support 246 is arranged on an output shaft of the lifting motor 245, and the lifting support 246 is fixedly connected with the Y-direction bottom plate 221.

The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims (15)

1. Sample tray transfer device, its characterized in that: comprising the following steps:

A tray transfer assembly for receiving a sample tray from a designated pick-up location and unloading the sample tray at a designated drop-out location;

the transfer driving assembly is used for driving the tray conveying assembly to move between a designated tray taking position and a designated tray placing position;

the tray transmission assembly comprises a tray supporting plate for bearing the sample tray, and a transmission driving assembly for driving the sample tray to enter the tray supporting plate along the transmission direction or moving the sample tray out of the tray supporting plate along the transmission direction is arranged on the tray supporting plate;

The transfer driving assembly comprises a horizontal driving assembly used for driving the tray conveying assembly to move in a horizontal plane, the horizontal driving assembly comprises an X-direction driving assembly and a Y-direction driving assembly which are perpendicular to each other, and the direction in which the X-direction driving assembly or the Y-direction driving assembly drives the tray conveying assembly to move is parallel to the direction in which the conveying driving assembly drives the sample tray to enter and exit the tray supporting plate.

2. The sample tray transfer apparatus of claim 1, wherein: the transmission driving assembly comprises two transmission belt wheels and a transmission belt, wherein the two transmission belt wheels are respectively positioned at two ends of the tray supporting plate, and the transmission belt is sleeved between the two transmission belt wheels.

3. The sample tray transfer apparatus of claim 2, wherein: the inner side surface of the transmission belt is an inner tooth surface, and transmission gear teeth meshed with the inner tooth surface are arranged on the transmission belt wheel.

4. A sample tray transfer apparatus according to claim 3, wherein: the transmission driving assembly further comprises a transmission motor and a driving belt pulley in transmission connection with an output shaft of the transmission motor, and the driving belt pulley is meshed with the inner tooth surface.

5. The sample tray transfer apparatus of claim 4, wherein: the transmission belt wheel or the driving belt wheel is provided with a code wheel which rotates synchronously with the transmission belt wheel or the driving belt wheel, the code wheel is uniformly distributed with code wheel through holes in a ring shape, and the tray supporting plate is provided with a code wheel optocoupler matched with the code wheel.

6. The sample tray transfer apparatus of claim 2, wherein: the outer side surface of the transmission belt is an outer tooth surface meshed with a tooth-shaped structure arranged on the bottom surface of the sample tray.

7. The sample tray transfer apparatus of claim 6, wherein: the Y-direction driving assembly is arranged on the X-direction driving assembly, and the tray conveying assembly is arranged on the Y-direction driving assembly; and a lifting driving assembly positioned in the vertical direction is arranged between the X-direction driving assembly and the Y-direction driving assembly or between the Y-direction driving assembly and the tray transmission assembly, and the lifting driving assembly is used for driving the external tooth surface to be meshed with or separated from a tooth-shaped structure on the bottom surface of the sample tray.

8. The sample tray transfer apparatus of claim 7, wherein: the X-direction driving assembly comprises an X-direction bottom plate, an X-direction track parallel to the X-direction is arranged on the X-direction bottom plate, an X-direction sliding block which is in sliding fit with the X-direction track is arranged on the X-direction track, and an X-direction driving mechanism for driving the X-direction sliding block to move along the X-direction track is arranged on the X-direction bottom plate.

9. The sample tray transfer apparatus of claim 8, wherein: the Y-direction driving assembly comprises a Y-direction bottom plate, and the lifting driving assembly is arranged between the X-direction driving assembly and the Y-direction driving assembly; the lifting driving assembly comprises a lifting seat arranged on the X-direction sliding block, a lifting track is arranged on the lifting seat, a lifting sliding block which is in sliding fit with the lifting track is arranged on the lifting track, and a lifting driving mechanism for driving the lifting sliding block to move along the lifting track is arranged on the lifting seat; and a lifting connecting seat fixedly connected with the lifting sliding block is arranged on the Y-direction bottom plate.

10. The sample tray transfer apparatus of claim 6, wherein: and the tray supporting plate is provided with an elastic pressing mechanism for pressing the sample tray so as to enable the tooth-shaped structure at the bottom of the sample tray to keep meshed with the external tooth surface.

11. The sample tray transfer apparatus of claim 10, wherein: the elastic pressing mechanism comprises two elastic pressing units which are respectively positioned at two ends of the tray supporting plate; the elastic pressing unit comprises tray pressing arms which are respectively positioned at two sides of the conveying belt, torsion spring seats are arranged on the tray supporting plates in one-to-one correspondence with the tray pressing arms, the tray pressing arms are in running fit with the tray supporting plates through the corresponding torsion spring seats, and a rotation limiting structure for limiting the rotation range of the supporting plate pressing arms to enable sample trays to enter and exit the tray supporting plates is arranged between the tray pressing arms and the tray supporting plates.

12. The sample tray transfer apparatus of claim 11, wherein: the end part of the tray pressing arm is provided with a tray pressing block protruding downwards, and the end surfaces of the two ends of the tray pressing block are provided with guide surfaces for guiding the sample tray.

13. The sample tray transfer apparatus of claim 12, wherein: the bottom surface of the tray pressing block is provided with a roller which is used for being matched with the sample tray in a rolling way.

14. The sample tray transfer apparatus of any one of claims 1-13, wherein: the Y-direction driving assembly is arranged on the X-direction driving assembly, and the tray conveying assembly is arranged on the Y-direction driving assembly; the Y-direction driving assembly comprises a Y-direction bottom plate, and a Y-direction driving mechanism is installed on the Y-direction bottom plate.

15. The sample tray transfer apparatus of claim 14, wherein: the Y-direction driving mechanism adopts a double-distance driving assembly, the double-distance driving assembly comprises an active moving seat and a passive moving seat, a transmission gear is arranged between the active moving seat and the passive moving seat, two ends of the transmission gear are respectively in running fit with the active moving seat and the passive moving seat, and a driving mechanism for driving the active moving seat to move along the Y direction is arranged on a Y-direction bottom plate;

An upper rack and a lower rack which are positioned in the Y direction are respectively arranged on the upper side and the lower side of the transmission gear, and the upper rack and the lower rack are meshed with the transmission gear; the Y-direction bottom plate is provided with a first Y-direction track, a first Y-direction sliding block which is in sliding fit with the first Y-direction track is arranged on the first Y-direction track, and the passive moving seat is arranged on the first Y-direction sliding block; the bottom surface of tray layer board is equipped with the second Y to the track, be equipped with on the second Y to the track rather than sliding fit's second Y to the slider, passive removal seat with second Y to slider fixed connection.