Pipette tip boxing device

By designing a pipette tip boxing device including a bearing plate, a first track mechanism and a driving mechanism, the problems of low efficiency and narrow application range of pipette tip boxing in the prior art are solved, and efficient automatic boxing suitable for different types of storage boxes are realized.

CN119911485APending Publication Date: 2025-05-02SICHUAN MINEN TESTING TECH CO LTD +1
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Patent Information

Application Number
CN202510050326.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-05-02

AI Technical Summary

Technical Problem

It is difficult to realize efficient automatic boxing of pipette tips, especially for different models of storage boxes and disposable boxing of one row of gun tips.

Method used

A pipette tip boxing device including a carrier plate, a first track mechanism and a drive mechanism is designed. Through the cooperation of the conveyor belt and the horizontal plate, the pipette tip is automatically clamped and moved, and the driving rod is adjusted to adapt to the number of storage boxes and gun tips of different models.

Benefits of technology

It realizes efficient automatic boxing suitable for different models of storage boxes, and can box one row of pipette tips at one time, improving the efficiency and scope of application.

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Abstract

The invention provides a pipettor tip boxing device, which relates to the pipettor tip boxing technology, and comprises a bearing plate on which a conveyor belt is arranged; the first rail mechanism is arranged over the conveying belt and comprises two transverse plates with the length direction parallel to the width direction of the bearing plate, the transverse plates are arranged in the length direction of the bearing plate at intervals, the interval is adjustable, the transverse plates are movably arranged in the height direction of the bearing plate, and the two opposite side edges of the upper surface of each transverse plate are perpendicularly connected with side baffles; the upper surface of one end of each transverse plate is perpendicularly connected with an end baffle, and one end of each transverse plate is located over one side of the conveying belt. The number of the driving mechanisms is two, each driving mechanism comprises a pair of driving rods, the same pair of driving rods are arranged in the length direction of the bearing plate in a spaced mode, the distance between the driving rods is adjustable, and the driving rods are movably arranged in the width direction of the bearing plate. The pipette tip boxing device can be suitable for different types of storage boxes, can conduct boxing of a row of pipette tips at a time, and has high practicability.
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Description

Technical Field

[0001] The present application relates to the field of pipette installation, and in particular to a pipette tip boxing technology, and specifically to a pipette tip boxing device. Background Art

[0002] A pipette is a laboratory tool used to accurately absorb and dispense small amounts of liquid. It is widely used in experimental operations in biology, chemistry, medicine and other fields. The pipette tip is a disposable plastic tube installed at the front end of the pipette for absorbing and discharging liquid. In order to ensure the accuracy of the experiment and prevent contamination, each tip can only be used once. Pipette tips generally need to be placed in a storage box. The storage box has the functions of maintaining a sterile environment, protecting the tips, and facilitating classification management. Many laboratory automation equipment can be used directly with boxed tips, which is convenient for batch processing of samples and improves work efficiency.

[0003] At present, the boxing operation of pipette tips is generally completed by pure manual labor or manual labor with auxiliary tooling, and this boxing method is inefficient; the prior art also shows some mechanical devices for realizing automatic boxing of pipette tips, but these mechanical devices are generally only applicable to one type of storage box, or can only box one pipette tip at a time, and the scope of application is narrow and the boxing efficiency is low. Summary of the invention

[0004] In order to solve the above-mentioned defects of the related prior art, the present application provides a pipette tip boxing device, which can be suitable for storage boxes of different models and can box a row of pipette tips at a time, and has strong practicality.

[0005] In order to achieve the above object, the present invention adopts the following technologies: A pipette tip boxing device, comprising: A carrying plate, on which a conveyor belt is arranged, wherein the conveying direction of the conveyor belt is parallel to the length direction of the carrying plate; The first track mechanism is arranged directly above the conveyor belt, and includes two horizontal plates whose length direction is parallel to the width direction of the load-bearing plate. The horizontal plates are arranged at intervals along the length direction of the load-bearing plate and the spacing is adjustable. The symmetric surface of the horizontal plate is a fixed surface. The horizontal plates are arranged to move along the height direction of the load-bearing plate. The two sides of the upper surface of the horizontal plate that are opposite to each other are vertically connected with side baffles. The upper surface of one end of the horizontal plate is vertically connected with an end baffle. One end of the horizontal plate is located directly above one side of the conveyor belt. There are two driving mechanisms, each of which includes a pair of driving rods, the axial directions of the driving rods are parallel to the height direction of the supporting plate, the same pair of driving rods are spaced apart along the length direction of the supporting plate and the spacing is adjustable, the driving rods are movably arranged along the width direction of the supporting plate, and the symmetry planes of each pair of driving rods coincide with the fixed surface.

[0006] Furthermore, a baffle rod is provided along the length direction of the carrying plate, and the baffle rod is located directly above one side of the conveyor belt. The carrying plate is connected to a driving frame, and the driving frame is located outside the other side of the conveyor belt. A first linear cylinder is provided on the driving frame along the width direction of the carrying plate. The driving shaft of the first linear cylinder is arranged toward the baffle rod and is connected to a limiting rod, and the limiting rod is parallel to the length direction of the carrying plate.

[0007] Furthermore, two first electric screws are provided on the supporting plate, and the driving directions of the first electric screws are parallel to the height direction of the supporting plate. The first electric screws are matched with first matching blocks, and the first matching blocks are connected to mounting frames. The mounting frames are provided with second linear cylinders, and the driving directions of the second linear cylinders are parallel to the length direction of the supporting plate. The driving axes of the second linear cylinders are relatively arranged, and mounting blocks are provided on the lower surfaces of the cross plates, and the driving axes of the second linear cylinders are connected to the mounting blocks one by one.

[0008] Furthermore, a support column is provided on the supporting plate, the support column is connected to a support bar, the support bar is connected to a support rod, the support rod is connected to the support plate, the support plate is connected to a first connecting rod, the first connecting rod is connected to a first mounting plate, the first mounting plate is rotatably connected to two first screws and two second screws, the axes of the first screw and the second screw are parallel to the width direction of the supporting plate, the first screw and the second screw are rotatably arranged around their own central axes, each driving mechanism also includes a moving frame, the moving frame is provided with a sleeve rod whose axis is parallel to the length direction of the supporting plate, two moving blocks are slidably sleeved on the sleeve rod, the driving rods are connected to the moving blocks one by one, and the moving frames are connected to two second matching blocks, the second matching blocks on one moving frame are respectively threadedly matched with the first screw, and the second matching blocks on the other moving frame are respectively threadedly matched with the second screw.

[0009] Furthermore, the support plate is connected to a second connecting rod, the second connecting rod is connected to a second mounting plate, the second mounting plate is spaced apart from a third mounting plate, two first rotating columns and two second rotating columns are rotatably connected to the third mounting plate, the first rotating columns are coaxially connected to the first screw rods one by one, the second rotating columns are coaxially connected to the second screw rods one by one, the two first rotating columns are provided with a first transmission belt, the two second rotating columns are provided with a second transmission belt, the second mounting plate is provided with a first rotating motor and a second rotating motor, the driving shaft of the first rotating motor is coaxially connected to one of the first rotating columns, and the driving shaft of the second rotating motor is coaxially connected to one of the second rotating columns.

[0010] The cam is connected to the movable frame by a first spring, the first spring is coaxially sleeved on the circumference of the sleeve rod, the first spring is always in a compressed state, the movable frame is connected to the fixed rod, the fixed rod is rotatably connected to the roller, the roller is rotatably arranged around its own central axis and its central axis is parallel to the width direction of the load-bearing plate, the movable frame includes a horizontal part and two vertical parts, the length direction of the horizontal part is parallel to the length direction of the load-bearing plate, the vertical parts are respectively vertically connected to the two ends of the lower surface of the horizontal part, the two ends of the sleeve rod are respectively connected to the lower ends of the two vertical parts, the horizontal parts are provided with sliding holes along the height direction of the load-bearing plate, the sliding holes are respectively located directly above the middle of the corresponding sleeve rod, the sliding holes are slidably matched with sliding rods, the lower ends of the sliding rods are connected to triangular blocks, and the central axes of the triangular blocks are parallel The cam is provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers connected to the plurality of rollers.

[0011] Further, it also includes a second track mechanism and a finishing mechanism; The second track mechanism includes a first annular plate and a second annular plate, both of which are semicircular, the first annular plate and the second annular plate are both arranged above the bearing plate, the central axes of the first annular plate and the second annular plate are coaxial and parallel to the height direction of the bearing plate, the two end surfaces of the first annular plate and the two end surfaces of the second annular plate are respectively coplanar, the upper surface of the first annular plate and the upper surface of the second annular plate are coplanar, the radius difference between the first annular plate and the second annular plate is a predetermined value, one end of the first annular plate and one end of the second annular plate are used to connect with the other end of the cross plate respectively, the upper surfaces of the two side edges of the first annular plate and the second annular plate opposite to each other are respectively connected with the first limiting plate and the second limiting plate, the lower surfaces of the first annular plate and the second annular plate are both connected with bearing columns, the bearing columns are both connected with bearing blocks, and the bearing blocks are both connected to the bearing plate; The sorting mechanism includes a matching plate, a strip plate, a lifting plate, and a transfer plate. The matching plate surface is arranged at intervals at the other end of the first annular plate, and the matching plate is arranged to move along the length direction of the supporting plate. There are multiple strip plates, which are arranged in an array along the length direction of the supporting plate. The length direction of the strip plate is parallel to the width direction of the supporting plate. The upper surface of the strip plate and the upper surface of the first annular plate are coplanar, one end of the strip plate is connected to the matching plate, and the other end of the strip plate is used to connect with the first annular plate or the second annular plate. The lifting plate is arranged directly above the other end of the strip plate and is moved along the height direction of the matching plate. The lifting plate moves with the matching plate. The transfer plate is arranged below the strip plate. The transfer plate surface is arranged opposite to the other end of the first annular plate and the other end of the second annular plate, and is moved along the width direction of the supporting plate. The two sides of the upper surfaces of the strip plates at both ends of the array are vertically connected with sealing plates.

[0012] Furthermore, a mounting column is provided on the bearing plate, the mounting column is connected to a fixed plate, a guide rod is provided on the fixed plate, the axial direction of the guide rod is parallel to the length direction of the bearing plate, a third matching block and a fourth matching block are threadedly matched on the guide rod, the third matching block and the fourth matching block are both connected to the matching plate, a fourth linear cylinder is provided on the fixed plate, the driving direction of the fourth linear cylinder is parallel to the length direction of the bearing plate, and the driving shaft of the fourth linear cylinder is connected to the fourth matching block.

[0013] Furthermore, a second electric screw is provided on the upper side of the bearing plate in its width direction, the second electric screw is threadedly matched with a fifth matching block, and the transfer plate is connected to the fifth matching block.

[0014] Furthermore, the outer side surfaces of the sealing plates are connected with lugs, the lugs are connected with supporting frames, the supporting frames are provided with a fifth linear cylinder, the driving direction of the fifth linear cylinder is parallel to the height direction of the supporting plate, and the driving shaft of the fifth linear cylinder is connected to the lifting plate.

[0015] The beneficial effects of the present invention are: 1. The first track mechanism carries the pipette tips, and the pipette tips are packed into boxes by the movement of the horizontal plate. A row of pipette tips can be packed into boxes at one time, thereby improving the packing efficiency.

[0016] 2. The number and spacing of the pipette tips on the first track mechanism are adjusted by the driving mechanism, so that the pipette tips can be installed in storage boxes of different types, thereby improving the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of a pipette tip box loading device according to an embodiment of the present application.

[0018] Figure 2 It is a three-dimensional schematic diagram of the carrying plate and the first track mechanism of an embodiment of the present application.

[0019] Figure 3 This application Figure 2 A local enlarged schematic diagram of point A in the middle.

[0020] Figure 4 It is a three-dimensional schematic diagram of the driving structure of the first track mechanism of an embodiment of the present application.

[0021] Figure 5 It is a three-dimensional schematic diagram of the support structure of the driving mechanism of an embodiment of the present application.

[0022] Figure 6 It is a schematic diagram of the connection between the driving rod and the supporting column in an embodiment of the present application.

[0023] Figure 7 It is a three-dimensional schematic diagram of the driving structure of the driving mechanism of an embodiment of the present application.

[0024] Figure 8 This application Figure 5 A local enlarged schematic diagram of point B in the middle.

[0025] Fig. 9 It is a three-dimensional schematic diagram of the lower pressure plate and the roller according to an embodiment of the present application.

[0026] Fig.10 It is a cross-sectional view of the sliding hole of the embodiment of the present application.

[0027] Fig.11 It is a three-dimensional schematic diagram of the second track mechanism and the arranging mechanism of the embodiment of the present application.

[0028] Fig.12 It is a three-dimensional schematic diagram of the transfer plate and its driving structure according to an embodiment of the present application.

[0029] Fig.13 This application Fig.11 A partial enlarged schematic diagram of point C in the middle.

[0030] Markings in the figure: 1-carrying plate, 11-conveyor belt, 12-blocking rod, 13-driving frame, 14-first linear cylinder, 15-limiting rod, 2-first track mechanism, 21-cross plate, 22-side baffle, 23-end baffle, 24-first electric screw, 25-first matching block, 26-mounting frame, 27-second linear cylinder, 28-mounting block, 3-driving mechanism, 31-driving rod, 32-support column, 33-support bar, 34-support Support rod, 35-support plate, 36-first connecting rod, 37-first mounting plate, 38-first screw, 39-second screw, 310-moving frame, 311-sleeve rod, 312-moving block, 313-second matching block, 314-second connecting rod, 315-second mounting plate, 316-third mounting plate, 317-first rotating column, 318-second rotating column, 319-first transmission belt, 320-second transmission belt, 321-first a rotating motor, 322-a second rotating motor, 323-a first spring, 324-a fixing rod, 325-a roller, 326-a sliding hole, 327-a sliding rod, 328-a triangular block, 329-a fixing frame, 330-a second spring, 331-a roller, 332-a third linear cylinder, 333-a lower pressure plate, 4-a second track mechanism, 41-a first annular plate, 42-a second annular plate, 43-a first limiting plate, 44-a second limiting plate, 4 5-bearing column, 46-bearing block, 5-arranging mechanism, 51-matching plate, 52-strip plate, 53-lifting plate, 54-transfer plate, 55-sealing plate, 56-installing column, 57-fixing plate, 58-guide rod, 59-third matching block, 510-fourth matching block, 511-fourth linear cylinder, 512-second electric screw, 513-fifth matching block, 514-lug, 515-bearing frame, 516-fifth linear cylinder. DETAILED DESCRIPTION

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present invention more clear, the implementation modes of the present invention are described in detail below with reference to the accompanying drawings. However, the embodiments described in the present invention are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] like Figure 1 As shown, this embodiment provides a pipette tip box loading device, including a carrying plate 1, a first track mechanism 2, and a driving mechanism 3.

[0033] Specifically, Figure 2 As shown, the carrying plate 1 is in the shape of a rectangular plate, on which a conveyor belt 11 is provided. The conveying direction of the conveyor belt 11 is parallel to the length direction of the carrying plate 1. The conveyor belt 11 is used to carry the storage box and adjust the position of the storage box.

[0034] Specifically, Figure 2 and Figure 3As shown, the first track mechanism 2 is arranged directly above the conveyor belt 11, and includes two transverse plates 21 whose length direction is parallel to the width direction of the carrying plate 1. The cross-section of the transverse plate 21 is rectangular, and the transverse plates 21 are spaced apart along the length direction of the carrying plate 1 and the spacing is adjustable, and the symmetry plane of the transverse plate 21 is a fixed plane, and the transverse plates 21 are movably arranged along the height direction of the carrying plate 1, and the two opposite sides of the upper surface of the transverse plate 21 are vertically connected with side baffles 22, and the upper surface of one end of the transverse plate 21 is vertically connected with an end baffle 23, and one end of the transverse plate 21 is located directly above one side of the conveyor belt 11, and the transverse plate 21 is used to clamp the pipette tip, and the pipette tip can move along the length direction of the transverse plate 21.

[0035] Specifically, Figure 1 and Figure 3 As shown, there are two driving mechanisms 3, each of which includes a pair of driving rods 31. The axial directions of the driving rods 31 are parallel to the height direction of the supporting plate 1. The same pair of driving rods 31 are spaced apart along the length direction of the supporting plate 1 and the spacing is adjustable. The driving rods 31 are movably arranged along the width direction of the supporting plate 1. The symmetry planes of each pair of driving rods 31 coincide with the fixed plane. The driving rods 31 are used to drive the pipette tip on the cross plate 21 to move.

[0036] During operation, the storage box is first placed on the conveyor belt 11, and the position of the storage box is adjusted so that the array direction of one row of placement holes on the storage box is parallel to the length direction of the carrier plate 1. The storage box is transported by the conveyor belt 1 so that one row of placement holes in the storage box is located directly below the transverse plate 21; the pipette tips whose number matches the number of placement holes in one row are pushed into between the transverse plates 21 from the other end of the transverse plate 21 so that the pipette tips at the head contact with the end baffle 23, the driving rods 31 are moved and the spacing between the driving rods 31 is adjusted so that the four driving rods 31 contact with the sides of the pipette tips at the tail respectively, so that the pipette tips are clamped and the pipette tips are driven to be directly above the placement holes; in this way, the pipette tips are pressed. Move the pipette tips in sequence so that each pipette tip is located directly above the corresponding placement hole, then move the horizontal plate 21 downward so that the lower end of the pipette tip extends into the placement hole, then increase the spacing of the horizontal plate 21, and the pipette tip falls into the placement hole, move the horizontal plate 21 to its original position, and move the storage box through the conveyor belt 1 so that another row of placement holes is located directly below the horizontal plate 21, and then the other row of placement holes can be operated; the position of the pipette tip on the horizontal plate 21 can be adjusted by the driving rod 31, so that the device can complete the pipette box loading of different types of storage boxes; four driving rods 31 are provided, so that the driving rod 31 can stably clamp the pipette tip and accurately drive the pipette tip to move.

[0037] Preferably, Figure 2As shown, a baffle 12 is provided on the carrying plate 1 along its length direction, and the baffle 12 is located outside the other side of the conveyor belt 11. The carrying plate 1 is connected to a driving frame 13, and the driving frame 13 is located outside the other side of the conveyor belt 11. A first linear cylinder 14 is provided on the driving frame 13 along the width direction of the carrying plate 1, and a driving shaft of the first linear cylinder 14 is arranged toward the baffle 12 and connected to a limiting rod 15, and the limiting rod 15 is parallel to the length direction of the carrying plate 1. The first linear cylinder 14 is used to drive the limiting rod 15 to move along the width direction of the carrying plate 1, and the limiting rod 15 and the baffle 12 are used to adjust the position of the storage box on the conveyor belt 11 so that the array direction of one row of placement holes on the storage box is parallel to the length direction of the carrying plate 1.

[0038] Preferably, Figure 4 As shown, two pairs of first electric screw rods 24 are provided on the bearing plate 1, and the driving direction of the first electric screw rods 24 is parallel to the height direction of the bearing plate 1. The first electric screw rods 24 are matched with first matching blocks 25, and the first matching blocks 25 are connected to mounting frames 26. Second linear cylinders 27 are provided on the mounting frames 26, and the driving directions of the second linear cylinders 27 are parallel to the length direction of the bearing plate 1. The driving axes of the two second linear cylinders 27 matching the same pair of first electric screw rods 24 are arranged relatively to each other, and two mounting blocks 28 are provided on the lower surface of the cross plate 21, and the driving axes of the second linear cylinders 27 are connected to the mounting blocks 28 one by one. The first electric screw rods 24 are used to drive the first matching blocks 25 to move along the height direction of the bearing plate 1, and then drive the cross plate 21 to move along the height direction of the bearing plate 1; the second linear cylinder 27 is used to drive the mounting block 28 to move along the length direction of the bearing plate 1, and then adjust the spacing between the two cross plates 21.

[0039] Preferably, Figure 5~Figure 7As shown, a support column 32 is provided on the bearing plate 1, the support column 32 is connected to a support bar 33, the support bar 33 is connected to a support rod 34, the support rod 34 is connected to a support plate 35, the support plate 35 is connected to a first connecting rod 36, the first connecting rod 36 is connected to a first mounting plate 37, the first mounting plate 37 is rotatably connected to two first screw rods 38 and two second screw rods 39, the axial directions of the first screw rods 38 and the second screw rods 39 are parallel to the width direction of the bearing plate 1, the first screw rods 38 and the second screw rods 39 are rotatably arranged around their own central axes, and each driving mechanism 3 also includes a moving frame 310, and the moving frame 310 is provided with a sleeve rod axially parallel to the length direction of the bearing plate 1 311, two moving blocks 312 are slidably sleeved on the sleeve rod 311, the driving rod 31 is connected to the moving blocks 312 one by one, and the moving frames 310 are connected to two second matching blocks 313, wherein the second matching blocks 313 on one of the moving frames 310 are respectively threadedly matched with the first screw rod 38, and the second matching blocks 313 on the other moving frame 310 are respectively threadedly matched with the second screw rod 39, and the first screw rod 38 and the second screw rod 39 are both used to drive the second matching blocks 313 thereon to move by their own rotation, thereby driving the driving rod 31 to move along the width direction of the supporting plate 1; the sliding of the moving blocks 312 on the sleeve rod 311 is used to adjust the spacing between the same pair of driving rods 31.

[0040] Preferably, Figure 8 As shown, the support plate 35 is connected to the second connecting rod 314, the second connecting rod 314 is connected to the second mounting plate 315, the second mounting plate 315 is spaced apart with a third mounting plate 316, the third mounting plate 316 is rotatably connected to two first rotating columns 317 and two second rotating columns 318, the first rotating columns 317 are coaxially connected to the first screw rod 38 one by one, the second rotating columns 318 are coaxially connected to the second screw rod 39 one by one, the two first rotating columns 317 are sleeved with a first transmission belt 319, the two second rotating columns 318 are sleeved with a second transmission belt 320, and the second mounting plate 316 is rotatably connected to the second screw rod 38. 15 is provided with a first rotating motor 321 and a second rotating motor 322, the driving shaft of the first rotating motor 321 is coaxially connected to one of the first rotating columns 317, and the driving shaft of the second rotating motor 322 is coaxially connected to one of the second rotating columns 318. The first rotating motor 321 is used to drive one of the first rotating columns 317 to rotate, and then drive the two first screw rods 38 to rotate through the linkage of the first transmission belt 319; the second rotating motor 322 is used to drive one of the second rotating columns 318 to rotate, and then drive the two second screw rods 39 to rotate through the linkage of the second transmission belt 320.

[0041] Preferably, Figure 5 , Figure 7 , Fig. 9 , Fig.10As shown, a first spring 323 is connected between the moving block 312 and the moving frame 310, and the first spring 323 is coaxially sleeved on the circumference of the sleeve rod 311, and the first spring 323 is always in a compressed state. The moving block 312 is connected to a fixed rod 324, and the fixed rod 324 is rotatably connected to a roller 325. The roller 325 is rotatably arranged around its own central axis and its central axis is parallel to the width direction of the load-bearing plate 1. The moving frame 310 includes a horizontal portion and two vertical portions. The length direction of the horizontal portion is parallel to the length direction of the load-bearing plate 1, and the vertical portions are respectively vertically connected to the two ends of the lower surface of the horizontal portion. The two ends of the sleeve rod 311 are respectively connected to the lower ends of the two vertical portions. The horizontal portion is provided with a sliding hole 326 along the height direction of the load-bearing plate 1. The sliding holes 326 are respectively located directly above the middle of the corresponding sleeve rod 311. A sliding rod 327 is slidably fitted in the sliding hole 326, and the lower end of the sliding rod 327 is connected to a triangular block 328, and the central axis of the triangular block 328 is parallel to the load-bearing plate 1 width direction, the center of one side of the triangular block 328 is vertically connected to the slide bar 327, the other two sides of the triangular block 328 are at the same angle with the one side, and the other two sides of the triangular block 328 are always in contact with the corresponding two rollers 325, the upper end of the slide bar 327 is connected to a fixed frame 329, and a second spring 330 is connected between the movable frame 310 and the fixed frame 329. The second spring 330 is coaxially sleeved on the side of the slide bar 327. 330 is always in a compressed state, and rollers 331 are rotatably connected to the fixed frame 329. The rollers 331 are rotatably arranged around their own central axes and their central axes are parallel to the length direction of the supporting plate 1. A third linear cylinder 332 is arranged on the support plate 35, and the driving direction of the third linear cylinder 332 is parallel to the height direction of the supporting plate 1. The driving axis of the third linear cylinder 332 is arranged toward the roller 331 and is connected to a lower pressure plate 333. The lower pressure plate 333 is always in contact with the roller 331.

[0042] During operation, when it is necessary to increase the spacing of the drive rods 31, the lower pressure plate 333 is driven downward by the third linear cylinder 332, and then the sliding rod 327 is driven downward by the roller 331 and the fixed frame 329, and then the triangular block 328 is driven downward, and then the spacing between the two rollers 325 is increased, and then the spacing between the two moving blocks 312 is increased, and then the spacing between the two drive rods 31 is increased; when it is necessary to reduce the spacing of the drive rods 31, the lower pressure plate 333 is driven upward by the third linear cylinder 332, and the sliding rod 327 moves upward under the action of the second spring 330, and then the triangular block 328 is driven upward. At this time, the two moving blocks 312 reduce the spacing under the action of the first spring 323, and then the spacing between the two drive rods 31 is reduced; with such a design, the spacing between the two pairs of drive rods 31 can be adjusted simultaneously only by the third linear cylinder 332.

[0043] Preferably, Figure 1 , Fig.11 , Fig.12 As shown, the device further includes a second track mechanism 4 and a tidying mechanism 5.

[0044] The second track mechanism 4 includes a first annular plate 41 and a second annular plate 42, both of which are semicircular, and the cross-sections of the first annular plate 41 and the second annular plate 42 are rectangular. The first annular plate 41 and the second annular plate 42 are both arranged above the carrier plate 1. The central axes of the first annular plate 41 and the second annular plate 42 are coaxial and parallel to the height direction of the carrier plate 1. The two end surfaces of the first annular plate 41 and the two end surfaces of the second annular plate 42 are respectively arranged coplanar, and the upper surface of the first annular plate 41 and the upper surface of the second annular plate 42 are arranged coplanar. The radius difference between the first annular plate 41 and the second annular plate 42 is a predetermined value, and the predetermined value is used to make the first annular plate 41 and the second annular plate 42 have a radius difference of 1. The annular plate 42 can carry the pipette tip; one end of the first annular plate 41 and one end of the second annular plate 42 are used to connect with the other end of the cross plate 21 respectively. Further preferably, when the cross plate 21 moves to connect with the first annular plate 41 and the second annular plate 42 respectively, the driving rod 31 can just contact the pipette tip on the cross plate 21; the upper surfaces of the two side edges opposite to each other of the first annular plate 41 and the second annular plate 42 are respectively connected with the first limiting plate 43 and the second limiting plate 44, and the lower surfaces of the first annular plate 41 and the second annular plate 42 are both connected with supporting columns 45, the supporting columns 45 are both connected with supporting blocks 46, and the supporting blocks 46 are both connected to the supporting plate 1.

[0045] The arranging mechanism 5 includes a matching plate 51, a strip plate 52, a lifting plate 53, and a transfer plate 54. The matching plate 51 is in the shape of a rectangular plate, and its plate surface is arranged at a distance from the other end of the first annular plate 41. The matching plate 51 is arranged to move along the length direction of the carrier plate 1. There are multiple strip plates 52, which are arranged in an array along the length direction of the carrier plate 1. The length direction of the strip plates 52 is parallel to the width direction of the carrier plate 1. The upper surface of the strip plates 52 and the upper surface of the first annular plate 41 are both arranged in the same plane. Further preferably, the spacing between adjacent strip plates 52 is a predetermined value, which is equal to the radius difference between the first annular plate 41 and the second annular plate 42, so that the adjacent strip plates 52 can carry the pipette tip; one end of the strip plate 52 is connected to the matching plate 51, and the other end of the strip plate 52 is used to connect with the first annular plate 41 or the second annular plate 42; the lifting plate 53 is arranged directly above the other end of the strip plate 52 and is moved along the height direction of the matching plate 51, and the lifting plate 53 moves with the matching plate 51. The transfer plate 54 is arranged below the strip plate 52, and its plate surface is arranged opposite to the other end of the first annular plate 41 and the other end of the second annular plate 42. The transfer plate 54 is moved along the width direction of the carrying plate 1, and the two sides of the upper surface of the strip plates 52 located at both ends of the array are vertically connected with sealing plates 55.

[0046] During operation, the pipette tips to be loaded are poured onto the strip plate 52, the lifting plate 53 is moved to make the lifting plate 53 contact the upper surface of the other end of the strip plate 52, and the matching plate 51 is reciprocated to make the pipette tips enter the gaps between adjacent strip plates 52. This step belongs to the prior art and will not be described in detail here. After all the pipette tips have entered the gaps between adjacent strip plates 52, the lifting plate 53 is moved upward and the matching plate 51 is moved, so that the other end of the strip plate 52 is connected with the other end of the first annular plate 41 and the other end of the second annular plate 42 in sequence. At the same time, the transfer plate 54 is used to push the pipette tips between the corresponding strip plates 52 into between the first annular plate 41 and the second annular plate 42; when the space between the first annular plate 41 and the second annular plate 42 is full of pipette tips, continuing to push the pipette tips will make the pipette tips enter between the transverse plates 21. When the number of pipette tips entering between the transverse plates 21 reaches the number for a single box loading operation, the pushing is stopped, and the position of the pipette tips on the transverse plate 21 is adjusted by the driving rod 31, and the box loading operation can be carried out, and the above-mentioned pushing operation is continued for the next box loading.

[0047] Preferably, Fig.11 As shown, a mounting column 56 is provided on the supporting plate 1, and the mounting column 56 is connected to a fixing plate 57. A guide rod 58 is provided on the fixing plate 57, and the axial direction of the guide rod 58 is parallel to the length direction of the supporting plate 1. A third matching block 59 and a fourth matching block 510 are threadedly matched on the guide rod 58, and the third matching block 59 and the fourth matching block 510 are both connected to the matching plate 51. A fourth linear cylinder 511 is provided on the fixing plate 57, and the driving direction of the fourth linear cylinder 511 is parallel to the length direction of the supporting plate 1. The driving shaft of the fourth linear cylinder 511 is connected to the fourth matching block 510, and the fourth linear cylinder 511 is used to drive the fourth matching block 510 to move along the length direction of the supporting plate 1, thereby driving the matching plate 51 to move along the length direction of the supporting plate 1.

[0048] Preferably, Fig.12 As shown, a second electric screw 512 is provided on the supporting plate 1 along its width direction, the second electric screw 512 is threadedly matched with a fifth matching block 513, the transfer plate 54 is connected to the fifth matching block 513, and the second electric screw 512 is used to drive the fifth matching block 513 to move along the width direction of the supporting plate 1, thereby driving the transfer plate 54 to move along the width direction of the supporting plate 1.

[0049] Preferably, Fig.11 and Fig.13 As shown, the outer side surfaces of the sealing plates 55 are connected with lugs 514, the lugs 514 are connected with the supporting frames 515, the supporting frames 515 are provided with fifth linear cylinders 516, the driving direction of the fifth linear cylinders 516 is parallel to the height direction of the supporting plate 1, the driving shaft of the fifth linear cylinders 516 is connected with the lifting plate 53, and the fifth linear cylinders 516 are used to drive the lifting plate 53 to move along the height direction of the supporting plate 1.

[0050] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application.

Claims

1. A pipette tip boxing device, characterized in that: include: A carrying plate (1) on which a conveyor belt (11) is provided, wherein the conveying direction of the conveyor belt (11) is parallel to the length direction of the carrying plate (1); The first track mechanism (2) is arranged directly above the conveyor belt (11), and comprises two transverse plates (21) whose length direction is parallel to the width direction of the carrier plate (1), the transverse plates (21) are arranged at intervals along the length direction of the carrier plate (1) and the spacing is adjustable, and the symmetry surface of the transverse plates (21) is a fixed surface, the transverse plates (21) are arranged to move along the height direction of the carrier plate (1), the two sides of the upper surface of the transverse plates (21) opposite to each other are vertically connected to side baffles (22), and the upper surface of one end of the transverse plates (21) is vertically connected to an end baffle (23), and one end of the transverse plates (21) is located directly above one side of the conveyor belt (11); There are two drive mechanisms (3), each drive mechanism (3) comprises a pair of drive rods (31), the axial directions of the drive rods (31) are parallel to the height direction of the carrier plate (1), the same pair of drive rods (31) are arranged at intervals along the length direction of the carrier plate (1) and the spacing is adjustable, the drive rods (31) are arranged to move along the width direction of the carrier plate (1), and the symmetry plane of each pair of drive rods (31) coincides with the fixed surface.

2. The pipette tip boxing device according to claim 1, characterized in that: A stop rod (12) is provided on the carrier plate (1) along its length direction, the stop rod (12) is located directly above one side of the conveyor belt (11), the carrier plate (1) is connected to a drive frame (13), the drive frame (13) is located outside the other side of the conveyor belt (11), a first linear cylinder (14) is provided on the drive frame (13) along the width direction of the carrier plate (1), a drive shaft of the first linear cylinder (14) is arranged toward the stop rod (12) and is connected to a limit rod (15), and the limit rod (15) is parallel to the length direction of the carrier plate (1).

3. The pipette tip boxing device according to claim 1, characterized in that: Two first electric screws (24) are provided on the carrier plate (1), the driving directions of the first electric screws (24) are parallel to the height direction of the carrier plate (1), the first electric screws (24) are matched with first matching blocks (25), the first matching blocks (25) are connected to mounting frames (26), the mounting frames (26) are provided with second linear cylinders (27), the driving directions of the second linear cylinders (27) are parallel to the length direction of the carrier plate (1), the driving axes of the second linear cylinders (27) are arranged opposite to each other, the lower surface of the transverse plate (21) is provided with mounting blocks (28), and the driving axes of the second linear cylinders (27) are connected to the mounting blocks (28) one by one.

4. The pipette tip boxing device according to claim 1, characterized in that: A support column (32) is provided on the bearing plate (1), the support column (32) is connected to a support bar (33), the support bar (33) is connected to a support rod (34), the support rod (34) is connected to a support plate (35), the support plate (35) is connected to a first connecting rod (36), the first connecting rod (36) is connected to a first mounting plate (37), the first mounting plate (37) is rotatably connected to two first screw rods (38) and two second screw rods (39), the axial directions of the first screw rods (38) and the second screw rods (39) are parallel to the width direction of the bearing plate (1), and the first screw rods (38) and the second screw rods (39) are rotatably arranged around their own central axes. Each driving mechanism (3) further comprises a moving frame (310), the moving frame (310) is provided with a sleeve rod (311) whose axial direction is parallel to the length direction of the bearing plate (1), two moving blocks (312) are slidably sleeved on the sleeve rod (311), the driving rod (31) is connected to the moving blocks (312) in a one-to-one correspondence, and the moving frame (310) is connected to two second matching blocks (313), wherein the second matching blocks (313) on one of the moving frames (310) are respectively threadedly matched with the first screw rod (38), and the second matching blocks (313) on the other moving frame (310) are respectively threadedly matched with the second screw rod (39).

5. The pipette tip boxing device according to claim 4, characterized in that: The support plate (35) is connected to a second connecting rod (314), the second connecting rod (314) is connected to a second mounting plate (315), a third mounting plate (316) is arranged at intervals on the second mounting plate (315), two first rotating columns (317) and two second rotating columns (318) are rotatably connected to the third mounting plate (316), the first rotating columns (317) are coaxially connected to the first screw rods (38) in a one-to-one correspondence, the second rotating columns (318) are coaxially connected to the second screw rods (39) in a one-to-one correspondence, the two first rotating columns (317) are sleeved with a first transmission belt (319), the two second rotating columns (318) are sleeved with a second transmission belt (320), the second mounting plate (315) is provided with a first rotating motor (321) and a second rotating motor (322), the driving shaft of the first rotating motor (321) is coaxially connected to one of the first rotating columns (317), and the driving shaft of the second rotating motor (322) is coaxially connected to one of the second rotating columns (318).

6. The pipette tip boxing device according to claim 4, characterized in that: A first spring (323) is connected between the moving block (312) and the moving frame (310). The first spring (323) is coaxially sleeved on the circumference of the sleeve rod (311). The first spring (323) is always in a compressed state. The moving block (312) is connected to a fixed rod (324). The fixed rod (324) is rotatably connected to a roller (325). The roller (325) is rotatably arranged around its own central axis and its central axis is parallel to the width direction of the bearing plate (1). The moving frame (310) includes a horizontal portion and two vertical portions. The horizontal portion The length direction is parallel to the length direction of the bearing plate (1), the vertical parts are respectively vertically connected to the two ends of the lower surface of the horizontal parts, the two ends of the sleeve rod (311) are respectively connected to the lower ends of the two vertical parts, and the horizontal parts are each provided with a sliding hole (326) along the height direction of the bearing plate (1), the sliding holes (326) are respectively located just above the middle of the corresponding sleeve rod (311), and the sliding holes (326) are slidably matched with a sliding rod (327), and the lower end of the sliding rod (327) is connected to a triangular block (328), and the central axis of the triangular block (328) is parallel to the width of the bearing plate (1). In the degree direction, the center of one side of the triangular block (328) is vertically connected to the slide bar (327), the angles between the other two sides of the triangular block (328) and the one side are equal, and the other two sides of the triangular block (328) are always in contact with the corresponding two rollers (325), the upper end of the slide bar (327) is connected to a fixed frame (329), and a second spring (330) is connected between the movable frame (310) and the fixed frame (329), and the second spring (330) is coaxially sleeved on the circumference of the slide bar (327). 0) is always in a compressed state, the fixed frame (329) is rotatably connected to a roller (331), the roller (331) is rotatably arranged around its own central axis and its central axis is parallel to the length direction of the bearing plate (1), a third linear cylinder (332) is provided on the support plate (35), the driving direction of the third linear cylinder (332) is parallel to the height direction of the bearing plate (1), the driving axis of the third linear cylinder (332) is arranged toward the roller (331) and is connected to a lower pressing plate (333), and the lower pressing plate (333) is always in contact with the roller (331).

7. The pipette tip boxing device according to claim 1, characterized in that: It also includes a second track mechanism (4) and a finishing mechanism (5); The second track mechanism (4) comprises a first annular plate (41) and a second annular plate (42), both of which are semicircular in shape. The first annular plate (41) and the second annular plate (42) are both arranged above the carrier plate (1). The central axes of the first annular plate (41) and the second annular plate (42) are coaxial and parallel to the height direction of the carrier plate (1). The two end surfaces of the first annular plate (41) and the two end surfaces of the second annular plate (42) are respectively arranged coplanarly. The upper surface of the first annular plate (41) and the upper surface of the second annular plate (42) are arranged coplanarly. The radius difference of the second annular plate (42) is a predetermined value; one end of the first annular plate (41) and one end of the second annular plate (42) are respectively connected to the other end of the transverse plate (21); the upper surfaces of the two sides of the first annular plate (41) and the second annular plate (42) opposite to each other are respectively connected to a first limiting plate (43) and a second limiting plate (44); the lower surfaces of the first annular plate (41) and the second annular plate (42) are both connected to bearing columns (45); the bearing columns (45) are both connected to bearing blocks (46); and the bearing blocks (46) are both connected to the bearing plate (1); The arranging mechanism (5) comprises a matching plate (51), a strip plate (52), a lifting plate (53), and a transfer plate (54). The matching plate (51) is arranged at a distance from the other end of the first annular plate (41). The matching plate (51) is arranged to move along the length direction of the carrier plate (1). The strip plates (52) have a plurality of strips arranged in an array along the length direction of the carrier plate (1). The length direction of the strip plates (52) is parallel to the width direction of the carrier plate (1). The upper surface of the strip plates (52) and the upper surface of the first annular plate (41) are arranged coplanarly. One end of the strip plates (52) is connected to the matching plate (51). The other end of the strip plates (52) is connected to the matching plate (51). One end is used to connect with the first annular plate (41) or the second annular plate (42); the lifting plate (53) is arranged directly above the other end of the strip plate (52) and is movable along the height direction of the matching plate (51); the lifting plate (53) moves along with the matching plate (51); the transfer plate (54) is arranged below the strip plate (52); the transfer plate (54) is arranged with its plate surface facing the other end of the first annular plate (41) and the other end of the second annular plate (42), and is movable along the width direction of the bearing plate (1); and the two sides of the upper surface of the strip plates (52) at both ends of the array are vertically connected with sealing plates (55).

8. The pipette tip boxing device according to claim 7, characterized in that: A mounting column (56) is provided on the bearing plate (1), the mounting column (56) is connected to a fixing plate (57), a guide rod (58) is provided on the fixing plate (57), the axial direction of the guide rod (58) is parallel to the length direction of the bearing plate (1), a third matching block (59) and a fourth matching block (510) are threadedly matched on the guide rod (58), the third matching block (59) and the fourth matching block (510) are both connected to the matching plate (51), a fourth linear cylinder (511) is provided on the fixing plate (57), the driving direction of the fourth linear cylinder (511) is parallel to the length direction of the bearing plate (1), and the driving shaft of the fourth linear cylinder (511) is connected to the fourth matching block (510).

9. The pipette tip boxing device according to claim 7, characterized in that: A second electric screw (512) is provided on the bearing plate (1) along its width direction; the second electric screw (512) is threadedly engaged with a fifth engaging block (513); and the transfer plate (54) is connected to the fifth engaging block (513).

10. The pipette tip boxing device according to claim 7, characterized in that: The outer side surfaces of the sealing plates (55) are connected to lugs (514), the lugs (514) are connected to a carrier frame (515), and the carrier frames (515) are provided with fifth linear cylinders (516), the driving direction of the fifth linear cylinders (516) is parallel to the height direction of the carrier plate (1), and the driving shaft of the fifth linear cylinders (516) is connected to the lifting plate (53).