CN216470118U

CN216470118U - Shovel plate device and grabbing mechanism comprising same

Info

Publication number: CN216470118U
Application number: CN202122823421.2U
Authority: CN
Inventors: 胡佩俊; 鲍海静; 罗沉
Original assignee: Shanghai Electric Group Corp
Current assignee: Shanghai Electric Group Corp
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-10
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a shovel disc device and a grabbing mechanism comprising the same, wherein the shovel disc device comprises a shovel disc body and a first driving part, the shovel disc body comprises a shovel disc seat and a shovel disc, the shovel disc is arranged on the shovel disc seat and movably connected with the shovel disc seat, the shovel disc can move in a first direction to extend out of the shovel disc seat, and the first direction is parallel to a horizontal plane; the first driving part is connected with the shovel disc seat and used for driving the shovel disc seat to rotate around a rotating shaft, and the rotating shaft is parallel to the vertical direction. According to the sample box transfer device, the first driving part drives the shovel disc seat to rotate, so that the shovel disc arranged on the shovel disc seat is driven to synchronously rotate, the shovel disc outlet can rotate to different positions on the same horizontal plane, the shovel disc outlet is adjusted to be aligned with the inlet of the cache region, the shovel disc can stretch into the cache region from the inlet of the cache region to extract or store a sample box, direct transfer between the shovel disc device and the cache region is achieved, a transfer device between the shovel disc device and the cache region is not needed to be additionally arranged, the structure is simplified, and the cost is reduced.

Description

Shovel plate device and grabbing mechanism comprising same

Technical Field

The utility model relates to the field of low-temperature sample storage and transfer, in particular to a shovel disc device and a grabbing mechanism comprising the shovel disc device.

Background

The conventional automatic low-temperature sample library is generally divided into a buffer area and a low-temperature storage area, and the low-temperature storage area is divided into a mechanical area and a sample storage area. The mechanical area and the sample storage area are separated by a large thermal insulation plate, the upper part is the mechanical area, the sample boxes are distributed in the sample storage area below in an array form, and the transfer and grabbing mechanisms are distributed in the mechanical area to transfer, grab and store the sample boxes. The process of the sample box entering the sample storage area is as follows: the sample is put into a buffer area from a transfer window, enters a mechanical area of a low-temperature storage area through a switch door between the buffer area and the mechanical area, and is put into a sample storage area (specifically, refer to a patent application with a publication number of CN111634567A and a name of a storage system). The transfer of the sample during the process of entering the machine section is accomplished by a transfer device in the machine section, and the sample cartridge is finally placed into the lower sample storage section by the grasping mechanism.

In the process of sample transmission, can set up the device of taking and delivering that can remove between buffer and low temperature storage area in the buffer, the device of taking and delivering puts into the sample box in the buffer on the shovel dish device, through removing the shovel dish device, puts into grabbing device's corresponding position with the sample box, puts into the corresponding position in the sample storage area through removing the whole mahjong sample box of grabbing mechanism. The traditional shovel plate device can only realize the freedom degrees of two directions at most, one is that the shovel plate moves for grabbing device's length direction, another is that the shovel plate device moves for grabbing device direction of height, the freedom degrees of these two directions only can realize and grabbing device between the sample box transfer, the sample box transfer between the shovel plate device box buffer memory area needs to rely on the device of fetching and delivering to realize, leads to that low temperature sample storehouse overall structure is comparatively complicated, with higher costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that a transfer device transfer sample box needs to be additionally arranged between a shovel disc device and a cache area in the prior art, and provides the shovel disc device and a grabbing mechanism comprising the shovel disc device.

The utility model solves the technical problems through the following technical scheme:

a blade arrangement, the blade arrangement comprising:

the shovel disc body comprises a shovel disc seat and a shovel disc, the shovel disc is arranged on the shovel disc seat and movably connected with the shovel disc seat, the shovel disc can move in a first direction to extend out of the shovel disc seat, and the first direction is parallel to the horizontal plane;

the first driving part is connected with the shovel disc seat and used for driving the shovel disc seat to rotate around a rotating shaft, and the rotating shaft is parallel to the vertical direction.

In this scheme, it is rotatory through first drive division drive shovel dish seat, and then the drive sets up the synchronous rotation of shovel dish on the shovel dish seat, make the shovel dish export can rotate to the different positions on same horizontal plane, but not aim at the grabbing device among the grabbing mechanism all the time, thereby can adjust the entry of shovel dish export to aiming at the buffer memory, from this the shovel dish can stretch into in the buffer memory from the entry of buffer memory, in order to draw or deposit the sample box, realize the direct transfer between shovel dish device and the buffer memory, and then can need not set up the transfer device between shovel dish device and the buffer memory in addition, the simplified structure, and therefore, the cost is reduced.

Preferably, the shovel disc device further comprises a fixed frame, the first driving portion comprises a first power element and a transmission assembly, one end of the transmission assembly is arranged on the fixed frame and connected with the first power element, the other end of the transmission assembly is arranged on the shovel disc seat, and the first power element is used for driving the shovel disc seat to rotate relative to the fixed frame.

In this scheme, first power component passes through drive assembly transmission drive power, realizes the rotation of shovel dish seat relative to the mount, and the shovel dish device can be fixed in a certain position of snatching the mechanism through the mount, prevents that the whole production of shovel dish device from squinting in the rotatory in-process of shovel dish seat.

Preferably, the first power element is a rotating electrical machine, the transmission assembly comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel and the driven wheel are respectively engaged at two ends of the synchronous belt, the rotating electrical machine is connected with the driving wheel, the driving wheel is rotatably connected with the fixed frame, and the driven wheel is fixedly connected with the shovel disc seat.

In this scheme, the rotating electrical machines drive action wheel is rotatory, and the action wheel passes through the hold-in range drive from the driving wheel rotation, and then the drive with from the rotatory shovel dish seat of driving wheel connection, overall structure is simple, the transmission is stable.

Preferably, the fixing frame is provided with a fixing portion, the driven wheel is rotatably connected with the fixing portion, and the driven wheel can rotate around the axis of the driven wheel relative to the fixing portion.

In this scheme, the fixed part is used for supporting from the driving wheel to the restriction is followed the ascending displacement of driving wheel in the horizontal direction, guarantees that the shovel plate seat can rotate.

Preferably, the fixing portion is a cylindrical structure which is vertically through, a part of the driven wheel is accommodated in the fixing portion, and a matching portion which is matched with the driven wheel is arranged in the fixing portion.

In this scheme, the fixed part cup joints on following the driving wheel, through cooperation portion and the cooperation from the driving wheel, when realizing from the rotation of driving wheel, guarantees that the relative position of fixed part box from the driving wheel does not change.

Preferably, the range of angles over which the blade carrier base rotates about the axis of rotation is not less than 180 °.

In this scheme, the angle scope that the shovel dish seat can rotate is big more, and the home range of shovel dish export is big more, improves the feasibility that the shovel dish export can directly aim at the buffer memory district.

Preferably, the shovel disc device further comprises a second driving portion, and the second driving portion is connected with the shovel disc and used for driving the shovel disc to move along the first direction so as to extend out of the shovel disc seat.

In this scheme, the second drive division is used for driving the removal of shovel dish relative to the shovel plate seat to realize the extraction or the depositing of sample box.

Preferably, the second driving portion includes a second power element, a gear and a rack, the second power element is connected to the gear, the gear is fixed to the shovel plate and is rotationally connected to the shovel plate, the rack is fixed to the shovel plate seat and extends in the first direction, the gear is engaged with the rack, and the second power element is configured to drive the gear to move in the extending direction of the rack.

In this scheme, realize the removal of shovel dish for the shovel dish seat through the cooperation of gear and rack, the gear removes along the extending direction of rack, and then drives the removal with gear connection's shovel dish seat.

Preferably, the shovel disc device further comprises a guiding portion, the guiding portion comprises a sliding rail and a sliding block, the sliding rail is fixed on the shovel disc seat and extends along the first direction, the sliding block is fixed on the shovel disc, and the sliding block is matched with the sliding rail.

In this scheme, guider is used for guiding the moving direction of shovel dish, prevents that the shovel dish from producing the skew at the removal in-process, improves the precision that the sample box drawed or deposited. The matching structure of the sliding block and the sliding rail is simple, and the cost is low.

Preferably, the shovel disc body further comprises a limiting part, the limiting part is fixed to the shovel disc seat, the limiting part is arranged at two ends of the shovel disc along a second direction, and the second direction is parallel to the horizontal plane and perpendicular to the first direction.

In this scheme, the locating part can prevent that the shovel dish device from removing the in-process, and the sample box of placing on the shovel dish produces serious skew, shifts out the shovel dish even, improves the stability of sample box transmission in-process.

A grabbing mechanism comprises a grabbing device, a third driving part, a fourth driving part and the shovel disc device, wherein the shovel disc device is arranged opposite to an extraction opening of the grabbing device, and the shovel disc can extend out of a shovel disc seat and enter the grabbing device; the third driving part is connected with the shovel disc device and used for driving the shovel disc device to move along the vertical direction; the fourth driving part is connected with the shovel disc device and used for driving the shovel disc device to move along the horizontal direction.

In this scheme, the shovel dish device is arranged in putting into grabbing device with the sample box of keeping in, or takes out the sample box in grabbing device and keeps in, and the third drive division is used for adjusting the position of shovel dish device on grabbing device's the ascending position of direction of height, and the fourth drive division is used for adjusting the position of shovel dish device in grabbing device's length direction to the assurance can be looked for the position of accurate sample box in grabbing device, improves the precision that sample box case drawed.

The positive progress effects of the utility model are as follows: according to the sample box transfer device, the first driving part drives the shovel disc seat to rotate, so that the shovel disc arranged on the shovel disc seat is driven to synchronously rotate, the shovel disc outlet can rotate to different positions on the same horizontal plane, and is not always aligned with the grabbing device in the grabbing mechanism, so that the shovel disc outlet can be adjusted to be aligned with the inlet of the cache region, the shovel disc can extend into the cache region from the inlet of the cache region to extract or store a sample box, direct transfer between the shovel disc device and the cache region is realized, a transfer device between the shovel disc device and the cache region is not required to be additionally arranged, the structure is simplified, and the cost is reduced.

Drawings

Fig. 1 is a schematic perspective view of a sample storage system according to an embodiment of the utility model.

Fig. 2 is a schematic perspective view of a gripping mechanism according to an embodiment of the present invention.

Fig. 3 is another schematic perspective view of the grasping mechanism according to an embodiment of the utility model.

Fig. 4 is a schematic perspective view of a shovel plate device according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a shovel plate device after a shovel plate seat rotates according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a shovel body according to an embodiment of the present invention.

Fig. 7 is a schematic perspective view of a shovel plate according to an embodiment of the present invention.

Fig. 8 is another perspective view of the shovel plate according to an embodiment of the utility model.

Description of reference numerals:

buffer 1

Storage area 2

Grabbing mechanism 21

Storage mechanism 22

Gripping device 31

Temporary storage device 32

Shovel disk device 33

Shovel plate base 41

Shovel outlet 411

Shovel plate 42

Fixing frame 5

Fixed part 51

Rotating electric machine 61

Drive wheel 62

Driven wheel 63

Synchronous belt 64

Second power element 71

Gear 72

Rack 73

Slide rail 81

Sliding block 82

Position limiting member 9

Guide unit 91

Detailed Description

The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.

As shown in fig. 1 to 3, the present embodiment discloses a sample storage system for storing a low-temperature sample. The sample storage system comprises a buffer area 1 and a storage area 2, wherein the buffer area 1 is communicated with the storage area 2, and the sample box can move between the buffer area 1 and the storage area 2 so as to realize the extraction and storage of the sample box. Specifically, the storage area 2 is used for storing the sample cartridge, the inside of the storage area 2 is provided with a grabbing mechanism 21, and the grabbing mechanism 21 can move the sample cartridge in the storage area 2, so that the sample cartridge can be moved between the buffer area 1 and the storage area 2.

As shown in fig. 2 and 3, the storage area 2 includes a storage mechanism 22, and the gripping mechanism 21 includes a gripping device 31, a buffer device 32, and a blade device 33. The storage mechanism 22 is used for accommodating a plurality of sample cartridges, and low-temperature storage of the sample cartridges is realized. The gripping device 31 is disposed above the storage mechanism 22, and is used for taking out a sample box from the storage mechanism 22 or storing the sample box taken from the buffer area 1 into the storage mechanism 22. Generally when storing big sample box in batches, can not go on one by one to the transfer of sample box, this embodiment sets up temporary storage device 32 for deposit temporarily from the sample box that takes out in storage mechanism 22 or wait to deposit the sample box in storage mechanism 22, make things convenient for sample box to shift the storage in batches, guarantee sample box's transfer stability, improve the efficiency that sample box shifted. The blade device 33 is used for removing the sample box from the gripping device 31 to be transferred to the buffer area 1, or taking the sample box from the buffer area 1 to be transferred to the gripping device 31, so that the sample box is put into the storage mechanism 22 through the gripping device 31.

As shown in fig. 4 to 8, the blade device 33 includes a blade body and a first driving portion.

As shown in fig. 6, the blade body includes a blade base 41 and a blade 42, the blade 42 is disposed on the blade base 41 and movably connected to the blade base 41, and the blade 42 can move in a first direction (X direction in fig. 6) to protrude out of the blade base 41, where the first direction is parallel to a horizontal plane. Specifically, the blade base 41 in this embodiment is a frame structure in a rectangular parallelepiped shape, and the inside of the blade base 41 is a hollow structure to accommodate the blade 42. Shovel disc 42 is arranged inside shovel disc seat 41 and installed on the bottom plate of shovel disc seat 41, and the side of shovel disc seat 41 is provided with shovel disc outlet 411 for shovel disc 42 to move, and shovel disc 42 can slide horizontally relative to shovel disc seat 41 to stretch out to the outside of shovel disc seat 41 from shovel disc outlet 411, thereby stretching into grabbing device 31 or buffer zone 1 and taking or depositing the sample box.

As shown in fig. 4 and 5, the first driving portion is connected to the shovel plate base 41 for driving the shovel plate base 41 to rotate about a rotation axis, wherein the rotation axis is parallel to the vertical direction. Specifically, first drive portion is connected with the roof of shovel dish seat 41, because shovel dish 42 installs on shovel dish seat 41, consequently first drive portion can drive shovel dish 42 synchronous revolution in-process that drives shovel dish seat 41 rotatory to change the orientation of shovel dish export 411.

Conventional blade devices are typically used only to store or retrieve sample cartridges in or from the gripping device, so that the blade outlet of the blade mount is always oriented toward the gripping device. When the sample box is transferred between the shovel disc device and the buffer area, other transfer devices are needed to realize the transfer, and the whole structure is troublesome and high in cost. This embodiment is rotatory through first drive division drive shovel dish seat 41, and then the drive sets up the synchronous rotation of shovel dish 42 on shovel dish seat 41, make shovel dish export 411 can rotate to different positions on the same horizontal plane, and not aim at all the time and snatch grabbing device 31 among the mechanism 21, thereby can adjust shovel dish export 411 to the entry of aiming at buffer memory 1, shovel dish 42 can stretch into buffer memory 1 from buffer memory 1's entry from this, in order to draw or deposit the sample box, realize the direct transfer between shovel dish device 33 and the buffer memory 1, and then can need not set up the transfer device between shovel dish device 33 and the buffer memory 1 in addition, the simplified structure, and cost is reduced.

In other alternative embodiments, the blade base 41 may alternatively be configured in other ways to perform the above-described functions, such as a flat plate configuration, or the like. In this embodiment, the shovel base 41 is designed into a rectangular frame structure, and on one hand, the top space of the shovel base 41 is connected to the first driving part, so as to reduce the length or width of the shovel base 41, and make the structure more compact. On the other hand, the weight of the shovel base 41 can be reduced, the driving force can be reduced, and the cost can be further reduced.

As shown in fig. 4 and 5, the shovel disc device 33 further includes a fixed frame 5, the first driving portion includes a first power element and a transmission assembly, one end of the transmission assembly is disposed on the fixed frame 5 and connected to the first power element, the other end of the transmission assembly is disposed on the shovel disc seat 41, and the first power element is used for driving the shovel disc seat 41 to rotate relative to the fixed frame 5. Specifically, as shown in fig. 3, the fixing frame 5 is mounted on the temporary storage device 32 to provide a supporting force for supporting the rotation of the shovel plate holder 41. As shown in fig. 4, the first driving member is fixed on the mounting frame, so that the overall structure is more compact and a stable driving force can be provided for the transmission assembly. The first power element moves through one side fixed on the fixed frame 5 in the driving transmission assembly, and then moves through one side arranged on the shovel plate seat 41 in the driving transmission assembly, so that the shovel plate seat 41 rotates relative to the fixed frame 5, the shovel plate device 33 can be fixed on the temporary storage device 32 through the fixed frame 5, the shovel plate device 33 is prevented from wholly shifting in the rotating process of the shovel plate seat 41, and the stability of the rotating process is improved.

As shown in fig. 4, the first power element in this embodiment is a rotating motor 61, the transmission assembly includes a driving wheel 62, a driven wheel 63 and a synchronous belt 64, the driving wheel 62 and the driven wheel 63 are respectively engaged with two ends of the synchronous belt 64, the rotating motor 61 is connected with the driving wheel 62, the driving wheel 62 is rotatably connected with the fixed frame 5, the driven wheel 63 is fixedly connected with the shovel disc seat 41, wherein a central axis of the driven wheel 63 is a rotating axis. The rotating motor 61 drives the driving wheel 62 to rotate, the driving wheel 62 drives the driven wheel 63 to rotate through the synchronous belt 64, and then the shovel disc seat 41 connected with the driven wheel 63 is driven to rotate. The timing belt 64 in this embodiment may be a transmission belt such as a chain or a belt.

As shown in fig. 4, the fixed frame 5 is provided with a fixed portion 51, and the driven wheel 63 is rotatably connected to the fixed portion 51, and the driven wheel 63 is rotatable about its own axis with respect to the fixed portion 51. The fixing portion 51 supports the driven pulley 63, and restricts the displacement of the driven pulley 63 in the horizontal direction, thereby ensuring that the blade holder 41 can rotate.

As shown in fig. 4, the fixed portion 51 in the present embodiment has a vertically penetrating tubular structure, a part of the driven wheel 63 is accommodated in the fixed portion 51, and an engaging portion that engages with the driven wheel 63 is provided inside the fixed portion 51. Specifically, the outer side surface of the fixed portion 51 is fixed to the fixed frame 5, the lower end of the driven pulley 63 is accommodated in the fixed portion 51, and the upper end of the driven pulley 63 is exposed for engagement with the timing belt 64. The fixing part 51 is sleeved on the driven wheel 63, and the matching part is matched with the driven wheel 63, so that the driven wheel 63 rotates, and the relative position of the fixing part 51 and the driven wheel 63 is ensured not to change. The specific structure of the mating part is not specifically discussed in the present embodiment, and those skilled in the art may select a structure capable of implementing the above-described function as the mating part.

The range of angles of rotation of the blade holder 41 about the axis of rotation is not less than 180 °. The greater the angular range in which the blade tray base 41 can rotate, the greater the range of movement of the blade tray outlet 411, improving the feasibility of the blade tray outlet 411 being able to directly align with the buffer zone 1.

As shown in fig. 6-8, the blade assembly 33 further includes a second driving portion connected to the blade 42 for driving the blade 42 to move in the first direction to extend out of the blade base 41. The second driving part is used for driving the shovel disc 42 to move relative to the shovel disc seat 41, so that the sample box is taken or stored.

As shown in fig. 7 and 8, the second driving portion includes a second power element 71, a gear 72 and a rack 73, the second power element 71 in this embodiment is a motor, the second power element 71 is connected with the gear 72 and drives the gear 72 to rotate, the gear 72 is fixed on the shovel plate 42 and is rotatably connected with the shovel plate 42, the rack 73 is fixed on the shovel plate base 41 and extends along a first direction, the gear 72 is engaged with the rack 73, and the second power element 71 is used for driving the gear 72 to move along the extending direction of the rack 73. In this embodiment, the movement of the shovel disc 42 relative to the shovel disc seat 41 is realized through the cooperation of the gear 72 and the rack 73, and the gear 72 moves along the extending direction of the rack 73, so as to drive the movement of the shovel disc seat 41 connected with the gear 72.

Specifically, second power element 71 is mounted on blade tray 42 and moves synchronously with blade tray 42, a gear 72 is connected to the lower end of blade tray 42, and a rack 73 is mounted on blade tray base 41, and rack 73 extends in a first direction to limit the direction of movement of blade tray 42. Second power member 71 is rotated by driving gear 72 such that gear 72 engages rack 73 to effect movement of blade 42 relative to blade mount 41.

In other alternative embodiments, the relative movement between the blade 42 and the blade seat 41 can be achieved by other sliding structures, such as sliding rails and sliders.

As shown in fig. 6 and 8, the shovel disk device 33 further includes a guide portion, the guide portion includes a slide rail 81 and a slide block 82, the slide rail 81 is fixed on the shovel disk seat 41 and extends along the first direction, the slide block 82 is fixed on the shovel disk 42, and the slide block 82 is engaged with the slide rail 81. The guide device is used for guiding the moving direction of the shovel disc 42, so that the shovel disc 42 is prevented from shifting in the moving process, and the accuracy of extracting or storing the sample box is improved. The matching structure of the sliding block 82 and the sliding rail 81 is simple and low in cost.

In other alternative embodiments, the guiding portion may be implemented by other structures capable of implementing guiding, such as a gear, a rack, and the like.

As shown in fig. 7, the shovel body further includes a limiting member 9, the limiting member 9 is fixed on the shovel base 41, and the limiting members 9 are disposed at two ends of the shovel 42 along a second direction (Y direction in fig. 6), which is parallel to the horizontal plane and perpendicular to the first direction. The limiting member 9 can prevent the sample box placed on the shovel disk 42 from being seriously deviated or even moving out of the shovel disk 42 in the moving process of the shovel disk device 33, and improve the stability of the sample box in the transferring process.

As shown in fig. 7, the limiting member 9 further includes a guiding unit 91, the guiding unit 91 is disposed at an end of the limiting member 9 close to the blade outlet 411, and the guiding unit 91 is inclined from an end far from the blade outlet 411 to an end close to the blade outlet 411 toward the outside of the blade base 41, that is, the guiding openings formed by the limiting members 9 located at both sides of the blade 42 are larger as they are closer to the blade outlet 411, so as to reduce the possibility of direct collision between the sample box and the limiting member 9.

As shown in fig. 7, the blade tray base 41 in this embodiment is in a stepped shape, the second power element 71 is installed at an upper step, and the sample cartridge is placed at a lower step, and this structure can limit the sample cartridge from moving towards a side far away from the blade tray outlet 411 along the horizontal direction, so that the limiting effect of the sample cartridge is improved, and the stability of the sample cartridge in the transferring process is improved.

As shown in fig. 3, the grasping mechanism 21 further includes a third drive portion and a fourth drive portion. The third driving portion is connected to the blade device 33 for driving the blade device 33 to move in the vertical direction (a direction in fig. 3). The fourth driving portion is connected to the blade device 33 for driving the blade device 33 to move in the horizontal direction (a direction in fig. 3). The third driving part is used for adjusting the position of the shovel disc device 33 in the height direction (direction B in fig. 3) of the gripping device 31, and the fourth driving part is used for adjusting the position of the shovel disc device 33 in the length direction (direction B in fig. 3) of the gripping device 31, so that the position of the sample box in the gripping device 31 can be accurately found, and the extraction accuracy of the sample box storage box is improved. The specific structures of the third driving part and the fourth driving part are not specifically discussed in the present embodiment, and those skilled in the art may use the structures capable of implementing the above functions in the prior art as the third driving part and the fourth driving part.

The process of transferring the sample cartridge from the buffer 1 to the storage mechanism 22 will be briefly described below with reference to the specific structure of the blade device 33 described above.

The third driving section adjusts the height position of the blade device 33 with respect to the grasping device 31 so that the blade device 33 and the entrance of the buffer area 1 are aligned in the height direction. The gripper mechanism 21 is moved as a whole to the vicinity of the buffer 1, and the fourth driving unit adjusts the longitudinal position of the blade unit 33 with respect to the gripper unit 31 so that the blade unit 33 is aligned with the entrance of the buffer 1 in the horizontal direction. The first driving part drives the shovel plate seat 41 to rotate, so that the shovel plate outlet 411 is aligned with the inlet of the buffer area 1, the second driving part drives the shovel plate 42 to extend into the buffer area 1 to extract a sample, and the extracted sample is temporarily stored on the shovel plate 42.

The grasping mechanism 21 is moved integrally to above the corresponding storage area 2, and the third driving portion adjusts the height position of the blade device 33 with respect to the grasping device 31 so that the blade device 33 and the pickup opening of the grasping device 31 are aligned in the height direction. The fourth driving portion adjusts the length position of the blade device 33 with respect to the grasping device 31 so that the blade device 33 and the extraction opening of the grasping device 31 are aligned in the length direction. The first driving part drives the shovel plate seat 41 to rotate, so that the shovel plate outlet 411 is aligned with the extraction opening of the grabbing device 31, the second driving part drives the shovel plate 42 to extend into the grabbing device 31 for storing samples, and the grabbing device 31 stores the received samples into the storage mechanism 22.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. A blade arrangement, characterized in that the blade arrangement comprises:

2. The blade disc device as claimed in claim 1, wherein the blade disc device further comprises a fixed frame, the first driving part comprises a first power element and a transmission assembly, one end of the transmission assembly is arranged on the fixed frame and connected with the first power element, the other end of the transmission assembly is arranged on the blade disc seat, and the first power element is used for driving the blade disc seat to rotate relative to the fixed frame.

3. The blade disc device as claimed in claim 2, wherein the first power element is a rotary motor, the transmission assembly includes a driving wheel, a driven wheel and a synchronous belt, the driving wheel and the driven wheel are respectively engaged with two ends of the synchronous belt, the rotary motor is connected with the driving wheel, the driving wheel is rotatably connected with the fixed frame, and the driven wheel is fixedly connected with the blade disc seat.

4. The blade assembly of claim 3 wherein the mounting bracket defines a fixed portion, and wherein the driven wheel is rotatably coupled to the fixed portion, the driven wheel being rotatable about its axis relative to the fixed portion.

5. The blade assembly of claim 4 wherein said fixed portion is a vertically extending tubular structure, a portion of said driven wheel being received in said fixed portion, said fixed portion having an engagement portion for engaging said driven wheel.

6. The blade assembly of any one of claims 1-5 wherein the angular extent of rotation of said blade mount about said axis of rotation is not less than 180 °.

7. The blade assembly of claim 1 further comprising a second drive coupled to the blade for driving the blade in the first direction to extend out of the blade mount.

8. The blade apparatus of claim 7 wherein the second driving portion includes a second power member, a gear and a rack, the second power member is connected to the gear, the gear is fixed to the blade and rotatably connected to the blade, the rack is fixed to the blade mount and extends in the first direction, the gear is engaged with the rack, and the second power member is configured to drive the gear to move in the direction in which the rack extends.

9. The blade assembly of claim 7 further comprising a guide portion, the guide portion including a rail fixed to the blade mount and extending in the first direction and a block fixed to the blade, the block engaging the rail.

10. The blade apparatus of claim 1, wherein the blade body further comprises a stopper fixed to the blade base, the stopper being disposed at both ends of the blade in a second direction parallel to the horizontal plane and perpendicular to the first direction.

11. A gripping mechanism, characterized in that the gripping mechanism comprises a gripping device, a third driving part and a fourth driving part and a shovel disc device according to any one of claims 1-10, the shovel disc device is arranged opposite to the extraction opening of the gripping device, and the shovel disc can extend out of the shovel disc seat and enter the gripping device; the third driving part is connected with the shovel disc device and used for driving the shovel disc device to move along the vertical direction; the fourth driving part is connected with the shovel disc device and used for driving the shovel disc device to move along the horizontal direction.