CN113928768A - Biological sample pass-through box - Google Patents

Abstract

The invention relates to a biological sample transfer window, and belongs to the technical field of biological medical equipment. Comprises a frame, a front door, a rear door and a bidirectional stacked in-out mechanism; a rear door is arranged on one side of the rack facing the sample warehouse, and a front door is arranged on the other corresponding side of the rack; a bidirectional stacked type in-and-out mechanism for automatically conveying the biological sample transfer tank from the sample warehouse to the outside or from the outside to the sample warehouse is arranged between the front door and the rear door of the rack; the front door and the rear door are respectively provided with an automatic lifting device and an automatic door opening and closing device. The automatic storage and taking device realizes the automatic storage and taking of the transfer tank of the biological sample, saves time and labor, reduces the problem caused by manual operation errors, and ensures the safety of the biological sample environment.

Description

Biological sample pass-through box

Technical Field

The invention relates to a biological sample transfer window, and belongs to the technical field of biological medical equipment. The definition of direction in the present invention is that when the biological sample transfer pot is automatically transferred from the sample storage to the outside, the direction is transferred from back to front.

Background

At present, the biological samples are stored or taken out mostly in a manual operation mode, time and labor are wasted, and the biological samples can be polluted due to a large amount of human intervention or be damaged due to manual operation errors. Therefore, there is a need in the art for a transfer device for transferring a biological sample, which can minimize manual intervention and ensure the safety of the biological sample environment.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and solve the technical problem of how to reduce manual intervention to the maximum extent and ensure the environmental safety of the biological sample in the transfer process of the biological sample.

In order to solve the above problems, the present invention provides a biological sample transfer window for automatically transferring a biological sample transfer tank from a sample storage to the outside, or from the outside to the sample storage, comprising a frame, a front door, a back door and a bidirectional stacking type access mechanism; a rear door is arranged on one side of the rack facing the sample warehouse, and a front door is arranged on the other corresponding side of the rack; a bidirectional stacked in-and-out mechanism is arranged between the front door and the rear door of the frame.

Preferably, the bidirectional laminated access mechanism comprises a bottom plate, a lower plate, an upper plate, a gear set, a rack and a synchronous wheel assembly; a bottom plate, a lower layer plate and an upper layer plate are sequentially arranged in the rack from bottom to top and are vertical to the horizontal plane; the bottom plate is provided with a gear set, and the lower plate is provided with a rack meshed with the gear set; the bottom plate, the lower plate and the upper plate are provided with synchronous wheel assemblies which are used for extending the lower plate and the upper plate in the front-back same direction.

Preferably, the lower side surface of the lower plate is provided with a rack extending from the rear door to the front door; the lower side surface and the upper side surface of the lower layer plate are respectively provided with a guide rail parallel to the direction of the rack; a plurality of V-shaped guide wheels which are used for guiding and matched with the guide rail are arranged on the bottom plate; and a plurality of V-shaped guide wheels which are used for guiding and matched with the guide rails are arranged on the upper plate.

Preferably, the synchronous wheel assemblies are arranged into 2 groups and are respectively arranged on the left side and the right side of the lower layer plate; the 2 groups of synchronous wheel components are respectively arranged on two corresponding side edges of a virtual parallelogram and are in central symmetry.

Preferably, one set of the synchronizing wheel assemblies comprises an upper synchronizing wheel, a lower synchronizing wheel, a synchronizing belt, a synchronizing wheel fixing member, an upper synchronizing belt fixing member and a lower synchronizing belt fixing member; an upper synchronizing wheel and a lower synchronizing wheel are respectively arranged on the upper side surface and the lower side surface of one end of the lower layer plate, the connecting line of the wheel circle centers of the upper synchronizing wheel and the lower synchronizing wheel is vertical to the lower layer plate, and the upper synchronizing wheel and the lower synchronizing wheel are fixed on the lower layer plate through synchronizing wheel fixing pieces; an upper synchronous belt fixing piece is arranged at one end, far away from the upper synchronous wheel, of the lower side surface of the upper plate, and a lower synchronous belt fixing piece is arranged at one end, far away from the lower synchronous wheel, of the upper side surface of the bottom plate; the synchronous belt is started by an upper synchronous belt fixing piece and sequentially bypasses the upper synchronous wheel and the lower synchronous wheel to be connected with the lower synchronous belt fixing piece; the synchronous belt is parallel to the rack; the upper side surface and the lower side surface of the other end of the lower laminate are respectively provided with an upper synchronizing wheel and a lower synchronizing wheel of another group of synchronizing wheel assemblies; the synchronous belts of the two groups of synchronous wheel assemblies are arranged in parallel.

Preferably, a position sensor is arranged on the lower plate.

Preferably, the gear set comprises a driving wheel and a plurality of driven wheels, and the driven wheels meshed with the racks are provided with the same reference circle.

Preferably, the front door and the rear door are respectively provided with a device for automatically lifting and closing the door.

Preferably, a code scanner is arranged on the rack.

Compared with the prior art, the invention has the following beneficial effects:

the invention realizes the automatic storage and taking of the biological sample transfer tank, saves time and labor, reduces the problem caused by manual error and ensures the safety of the biological sample environment.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is an internal construction diagram of the present invention;

FIG. 4 is a first schematic structural diagram of a bidirectional stacked type in-out mechanism of the present invention;

FIG. 5 is a second schematic structural diagram of the two-way stacked in-out mechanism of the present invention;

FIG. 6 is a cross-sectional view of a two-way stacked access mechanism of the present invention;

FIG. 7 is a schematic view of the left limit position of the bidirectional stacked entry and exit mechanism of the present invention;

FIG. 8 is a schematic diagram of the right limit position of the bidirectional stacked entry and exit mechanism of the present invention;

FIG. 9 is a schematic view of the front and rear door body structure of the present invention.

Reference numerals: 1. a driving wheel; 2. a driven wheel I; 3. a rack; 4. a first synchronous belt; 5. a first synchronizing wheel; 501. an upper synchronizing wheel; 502. a lower synchronizing wheel; 6. an upper plate; 7. an upper synchronous belt fixing piece; 8. a lower layer plate; 9. a lower synchronous belt fixing member; 10. a second driven wheel; 11. a driven wheel III; 12. limiting the left pole; 13. limiting the right pole; 14. a left limit sensor sheet; a V-shaped guide wheel; 16. a right limit sensing piece; 17. a guide rail; 18. a synchronizing wheel fixing member; 19. a first motor; 20. an origin position; 21. an origin induction sheet; 22. storing bits; 23. a bidirectional stacked in-out mechanism; 24. a front door; 25. an electrical component; 26. a code scanner; 27. a rear door; 28. an upper limit fixing sheet; 29. an upper limit sensor; 30. a motor fixing plate; 31. a second synchronizing wheel; 32. a second motor; 33. a second synchronous belt; 34. clamping plates of synchronous belts; 35. a left lower fixing plate; 36. a synchronous idler gear; 37. an upper left fixing plate; 38. a slide rail; 39. an upper fixing member; 40. a right upper fixing plate; 41. a door body; 42. a lower right fixing plate; 43. a lower fixing member; 44. a lower limit induction block; 45. a lower limit sensor; 46. a lower limit fixing sheet; 47. a slider connection; 48. a bearing; 49. an upper limit induction block; 50. a frame; 51. closing the plate; 52. a base plate.

Detailed Description

In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 9, the present invention provides a biological sample transfer window for automatically transferring a biological sample transfer canister from a sample storage to the outside, or automatically transferring a biological sample transfer canister from the outside to a sample storage, comprising a rack 50, a front door 24, a rear door 27, and a bidirectional stacking type access mechanism 23; one side of the rack 50 facing the sample warehouse is provided with a rear door 27, and the other corresponding side is provided with a front door 24; a bidirectional stacking type access mechanism 23 is provided between the front door 24 and the rear door 27 of the rack 50. The bidirectional laminated type access mechanism 23 comprises a bottom plate 52, a lower plate 8, an upper plate 6, a gear set, a rack 3 and a synchronous wheel component; a bottom plate 52, a lower plate 8 and an upper plate 6 are sequentially arranged in the rack 50 from bottom to top and are vertical to the horizontal plane; a gear set is arranged on the bottom plate 52, and a rack 3 meshed with the gear set is arranged on the lower layer plate 8; the bottom plate 52, the lower plate 8 and the upper plate 6 are provided with synchronous wheel components for the front and back extension of the lower plate 8 and the upper plate 6 in the same direction. The lower side surface of the lower plate 8 is provided with a rack 3 extending from the rear door 27 to the front door 24; the lower side surface and the upper side surface of the lower layer plate 8 are respectively provided with a guide rail 17 parallel to the direction of the rack 3; the bottom plate 52 is provided with a plurality of V-shaped guide wheels 15 which are matched with the guide rails 17 and used for guiding; the upper plate 6 is provided with a plurality of V-shaped guide wheels 15 for guiding, which cooperate with guide rails 17. The synchronous wheel components are arranged into 2 groups and are respectively arranged on the left side and the right side of the lower layer plate 8; the 2 groups of synchronous wheel assemblies are respectively arranged on two corresponding side edges of a virtual parallelogram and are in central symmetry; the group of synchronous wheel components comprise an upper synchronous wheel 501, a lower synchronous wheel 502, a first synchronous belt 4, a synchronous wheel fixing piece 18, an upper synchronous belt fixing piece 7 and a lower synchronous belt fixing piece 9; an upper synchronizing wheel 501 and a lower synchronizing wheel 502 are respectively arranged on the upper side surface and the lower side surface of one end of the lower plate 8, the connecting line of the wheel centers of the upper synchronizing wheel 501 and the lower synchronizing wheel 502 is vertical to the lower plate 8, and the upper synchronizing wheel 501 and the lower synchronizing wheel 502 are fixed on the lower plate 8 through a synchronizing wheel fixing part 18; an upper synchronous belt fixing piece 7 is arranged at one end of the lower side surface of the upper plate 6, which is far away from the upper synchronous wheel 501, and a lower synchronous belt fixing piece 9 is arranged at one end of the upper side surface of the bottom plate 52, which is far away from the lower synchronous wheel 502; the first synchronous belt 4 is connected with the lower synchronous belt fixing piece 9 by sequentially bypassing the upper synchronous wheel 501 and the lower synchronous wheel 502 through the upper synchronous belt fixing piece 7; the synchronous belt I4 is parallel to the rack 3; an upper synchronizing wheel 501 and a lower synchronizing wheel 502 of another group of synchronizing wheel assemblies are respectively arranged on the upper side surface and the lower side surface of the other end of the lower plate 8; the synchronous belts I4 of the two groups of synchronous wheel assemblies are arranged in parallel. The lower plate 8 is provided with a position sensor. The gear set comprises a driving wheel 1 and a plurality of driven wheels, and the driven wheels meshed with the racks 3 are provided with the same reference circle. The front door 24 and the rear door 27 are respectively provided with an automatic lifting and automatic door opening and closing device. A scanner 26 is provided on the gantry 50.

Examples

As shown in fig. 1, fig. 2 and fig. 3, the biological sample transfer window provided by the present invention employs a gear-rack bidirectional stacked access mechanism 23, which can automatically transport a biological sample transfer canister from a sample library to the outside, or from the outside to the sample library; the front and the back of the biological sample transfer window are provided with doors capable of automatically lifting, when a sample is conveyed to the outside, the front door 24 can be automatically opened, then a worker takes the biological sample transfer tank away, the worker presses a button, the gear rack bidirectional stacking type in-and-out mechanism 23 returns to the original position, and the biological sample transfer window can automatically close the front door 24; when a sample is to be stored in a sample library, a worker presses a button, the transfer window can automatically open the front door 24, the gear and rack bidirectional stacked type in-and-out mechanism 23 extends out, the worker puts a biological sample transfer tank into the transfer window storage position 22, then the worker presses the button, the gear and rack bidirectional stacked type in-and-out mechanism 23 returns to the original position, the front door 24 is automatically closed, the code scanner 26 scans two-dimensional codes or bar codes on the biological sample transfer tank, after information is confirmed, the rear door 27 is automatically opened, the gear and rack bidirectional stacked type in-and-out mechanism 23 extends out of the rear door 27, then an AGV car takes away the biological sample transfer tank, the gear and rack bidirectional stacked type in-and-out mechanism 23 returns to the original position, and the rear door 27 is automatically closed; the electric component 25 is placed at the bottom of the aluminum profile frame 50, and the sealing plate 51 is arranged at the top of the electric component 25 to prevent top sundries from falling into the electric component 25 to cause short circuit.

As shown in fig. 4, 5 and 6, the rack-and-pinion bidirectional stacked in-out mechanism 23 uses the first motor 19 to provide power, the rotation of the motor shaft drives the driving wheel 1 to rotate, the driving wheel 1 drives the first driven wheel 2 to rotate, the first driven wheel 2 drives the third driven wheel 11 to rotate, the third driven wheel 11 drives the second driven wheel 10 to rotate, and the first driven wheel 2 and the second driven wheel 10 rotate synchronously to drive the rack 3 to move. The reference circles of the first driven wheel 2 and the second driven wheel 10 are the same, and the first driven wheel and the second driven wheel rotate at the same speed, so that the rack 3 can move horizontally. The left and right sides of the upper and lower surfaces of the lower plate 8 are respectively provided with a guide rail 17, the bottom surface of the lower plate 8 is connected with the rack 3, and the guide rails 17 can slide in the V-shaped guide wheels 15 along with the movement of the rack 3, so that the horizontal movement of the lower plate 8 is realized. Synchronizing wheel 5, hold-in range 4, synchronizing wheel mounting 18, go up the synchronizing wheel subassembly of hold-in range mounting 7 and lower synchronizing belt mounting 9 constitution, it fixes the bottom surface at last plywood 6 to go up hold-in range mounting 7, the top surface at bottom plate 52 is fixed to lower synchronizing belt mounting 9, the both ends of hold-in range 4 are fixed through the mode that compresses tightly by last hold-in range mounting 7 and lower synchronizing belt mounting 9 respectively, synchronizing wheel mounting 18 is fixed on plywood 8 down, two synchronizing wheel 5 are fixed on synchronizing wheel mounting 18 through a fixed axle respectively, synchronizing wheel 5 is rotatory through taking the bearing certainly. Two groups of synchronous wheel assemblies are arranged on each set of gear rack bidirectional stacked type in-out mechanism, and the two groups of synchronous wheel assemblies are arranged in opposite directions. When the lower plate 8 moves, the first synchronous belt 4 pulls the upper plate 6 and the lower plate 8 to move in the same direction.

When the first motor 19 rotates clockwise as shown in fig. 4, the upper plate 6 and the lower plate 8 move leftward simultaneously, the left limit sensor 14 moves to the left limit 12 and stops, and the upper plate 6 and the lower plate 8 are in the state shown in fig. 7. When the first motor 19 rotates counterclockwise, the upper plate 6 and the lower plate 8 move rightwards simultaneously, the right limit induction piece 16 moves to the right limit position 13 to stop, and the upper plate 6 and the lower plate 8 are in the state shown in fig. 8. When not in operation, the origin sensing piece 21 is located at the origin point 20, and the upper plate 6 and the lower plate 8 are in the state shown in fig. 4.

As shown in fig. 9, the front door 24 and the rear door 27 have the same structure, and are powered by a second motor 32, the second motor 32 is fixed on a motor fixing plate 30, a second synchronous belt 33 is driven to rotate by a second synchronous wheel 31 and a synchronous idle wheel 36, a synchronous belt clamping plate 34 is connected with the second synchronous belt 33 through screw locking and compressing, the other end of the synchronous belt clamping plate 34 is connected with a sliding block on a sliding rail 38, the other three sliding blocks on the sliding rail 38 are respectively connected with three sliding block connecting pieces 47, four sliding rails 38 are respectively fixed on a left lower fixing plate 35, a left upper fixing plate 37, a right upper fixing plate 40 and a right lower fixing plate 42, and the left lower fixing plate 35, the left upper fixing plate 37, the right upper fixing plate 40 and the right lower fixing plate 42 are fixed on an aluminum profile rack 50; the door body 41 is connected with a sliding block connecting piece 47 through an upper fixing piece 39 and a lower fixing piece 43, the upper fixing piece 39 and the lower fixing piece 43 are connected with the sliding block connecting piece 47 through a bearing 48, and the upper end and the lower end of the door body 41 can rotate relative to the sliding block connecting piece 47 within a certain angle; the lower limit sensor 45 is fixed on the lower limit fixing sheet 46, the lower limit fixing sheet 46 is fixed on the right lower fixing plate 42, the upper limit sensor 29 is fixed on the upper limit fixing sheet 28, and the upper limit fixing sheet 28 is fixed on the aluminum profile rack 50; when the second motor 32 rotates, the second synchronous belt 33 drives the sliding block to move on the sliding rail 38, and the door body 41 moves up and down along with the movement of the sliding block; the lower limit induction block 44 and the upper limit induction block 49 are arranged on the sliding block connecting piece 47, when the door body 41 moves to the upper limit position and the lower limit position, the lower limit inductor 45 induces the lower limit induction block 44 or the upper limit inductor 29 induces the upper limit induction block 49, the PLC receives a signal, the second motor 32 stops rotating, and the door body 41 stops moving.

While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.

Claims (9)

1. A biological sample transfer window for automatically transporting a biological sample transfer canister from a sample library to the outside or from the outside to the sample library, the biological sample transfer window comprising: comprises a frame, a front door, a rear door and a bidirectional stacked in-out mechanism; a rear door is arranged on one side of the rack facing the sample warehouse, and a front door is arranged on the other corresponding side of the rack; a bidirectional stacked in-and-out mechanism is arranged between the front door and the rear door of the frame.

2. A biological sample delivery window as defined in claim 1, wherein: the bidirectional laminated type in-out mechanism comprises a bottom plate, a lower plate, an upper plate, a gear set, a rack and a synchronous wheel assembly; a bottom plate, a lower layer plate and an upper layer plate are sequentially arranged in the rack from bottom to top and are vertical to the horizontal plane; the bottom plate is provided with a gear set, and the lower plate is provided with a rack meshed with the gear set; the bottom plate, the lower plate and the upper plate are provided with synchronous wheel assemblies which are used for extending the lower plate and the upper plate in the front-back same direction.

3. A biological sample delivery window as defined in claim 2, wherein: the lower side surface of the lower layer plate is provided with a rack extending from the rear door to the front door; the lower side surface and the upper side surface of the lower layer plate are respectively provided with a guide rail parallel to the direction of the rack; a plurality of V-shaped guide wheels which are used for guiding and matched with the guide rail are arranged on the bottom plate; and a plurality of V-shaped guide wheels which are used for guiding and matched with the guide rails are arranged on the upper plate.

4. A biological sample delivery window as defined in claim 3, wherein: the synchronous wheel assemblies are arranged into 2 groups and are respectively arranged on the left side and the right side of the lower laminate; the 2 groups of synchronous wheel components are respectively arranged on two corresponding side edges of a virtual parallelogram and are in central symmetry.

5. A biological sample delivery window as defined in claim 4, wherein: the group of synchronous wheel components comprises an upper synchronous wheel, a lower synchronous wheel, a synchronous belt, a synchronous wheel fixing piece, an upper synchronous belt fixing piece and a lower synchronous belt fixing piece; an upper synchronizing wheel and a lower synchronizing wheel are respectively arranged on the upper side surface and the lower side surface of one end of the lower layer plate, the connecting line of the wheel circle centers of the upper synchronizing wheel and the lower synchronizing wheel is vertical to the lower layer plate, and the upper synchronizing wheel and the lower synchronizing wheel are fixed on the lower layer plate through synchronizing wheel fixing pieces; an upper synchronous belt fixing piece is arranged at one end, far away from the upper synchronous wheel, of the lower side surface of the upper plate, and a lower synchronous belt fixing piece is arranged at one end, far away from the lower synchronous wheel, of the upper side surface of the bottom plate; the synchronous belt is connected with the lower synchronous belt fixing piece by sequentially bypassing the upper synchronous wheel and the lower synchronous wheel through the upper synchronous belt fixing piece; the synchronous belt is parallel to the rack; the upper side surface and the lower side surface of the other end of the lower laminate are respectively provided with an upper synchronizing wheel and a lower synchronizing wheel of another group of synchronizing wheel assemblies; the synchronous belts of the two groups of synchronous wheel assemblies are arranged in parallel.

6. A biological sample delivery window as defined in claim 5, wherein: and a position sensor is arranged on the lower layer plate.

7. A biological sample delivery window as defined in claim 6, wherein: the gear set comprises a driving wheel and a plurality of driven wheels, and the driven wheels meshed with the racks are provided with the same reference circle.

8. A biological sample delivery window as defined in claim 7, wherein: and the front door and the rear door are respectively provided with an automatic lifting device and an automatic door opening and closing device.

9. A biological sample delivery window as defined in claim 8, wherein: and a code scanner is arranged on the rack.

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