CN220900453U - Pipetting device - Google Patents

Abstract

The embodiment of the utility model provides a pipetting device, which comprises: a frame; a moving assembly; the medicine bottle clamping assembly is connected with the moving assembly and comprises a first grabbing assembly and a first driving assembly, the first grabbing assembly is used for grabbing bottle caps or bottle bodies of the raw liquid bottles or the finished product bottles, and the first driving assembly is used for driving the first grabbing assembly to move so as to open and close the raw liquid bottles or the finished product bottles; the fixing assembly is used for fixing the body of the stock solution bottle or the finished product bottle when the bottle clamping assembly opens and closes the cover of the stock solution bottle or the finished product bottle; the syringe clamping assembly is connected with the moving assembly and comprises a second grabbing assembly and a second driving assembly, the second grabbing assembly is used for grabbing a tube body of the syringe, and the second driving assembly is used for driving a piston rod of the syringe to move so as to extract or inject liquid medicine. The pipetting device realizes full automation of pipetting process.

Description

Pipetting device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a pipetting device.

Background

With the continuous development of social economy and science and technology, laboratory such as biology, chemistry, environment, medicine research and development, food and the like, and research objects facing pipetting work of units such as hospitals, blood stations and the like are more complex, and the number of samples is also increased continuously. At present, pipetting is usually performed manually, and the sample treatment work of manual pipetting is not only low in efficiency, but also has potential threat to human health due to some dangerous liquid medicines, so that a device capable of automatically realizing pipetting is needed.

Disclosure of utility model

The embodiment of the utility model provides a pipetting device which is used for solving the problems of low efficiency and potential safety hazard of manual pipetting in the prior art.

In an embodiment of the present utility model, the pipetting device includes:

A stand, on which a table top is formed;

the moving assembly is arranged on the table top;

the medicine bottle clamping assembly is connected with the moving assembly and can move in different areas of the table top under the drive of the moving assembly, the medicine bottle clamping assembly comprises a first grabbing assembly and a first driving assembly, the first grabbing assembly is used for grabbing bottle caps or bottle bodies of the raw liquid bottles or the finished product bottles, and the first driving assembly is used for driving the first grabbing assembly to move so as to open and close the raw liquid bottles or the finished product bottles;

The fixing component is arranged on the table top and is used for fixing the body of the stock solution bottle or the finished product bottle in the process of opening and closing the cover;

The syringe clamping assembly is connected with the moving assembly and can move in different areas of the table top under the driving of the moving assembly, the syringe clamping assembly comprises a second grabbing assembly and a second driving assembly, the second grabbing assembly is used for grabbing a tube body of the syringe, and the second driving assembly is used for driving a piston rod of the syringe to move, so that liquid medicine is extracted or injected.

As a further alternative of the pipetting device, the pipetting device further comprises a collection assembly arranged on the table top for removing the syringe.

As a further alternative of the pipetting device, a filter zone is also provided on the table top, which filter zone is used for placing several kinds of filter plates.

As a further alternative of the pipetting device, the pipetting device further comprises a code scanning component and a code spraying component, wherein the code scanning component is used for scanning codes on the stock solution bottles, and the code spraying component is used for spraying codes on the finished product bottles.

As a further alternative of the pipetting device, the movement assembly comprises a first movement assembly, a second movement assembly and a third movement assembly;

The first moving assembly is connected with the second moving assembly, the first moving assembly can drive the second moving assembly to move along a first direction, the second moving assembly is connected with the third moving assembly, the second moving assembly is used for driving the third moving assembly to move along a second direction, the medicine bottle clamping assembly and the syringe clamping assembly are respectively connected with the third moving assembly, and the third moving assembly is used for driving the medicine bottle clamping assembly and the syringe clamping assembly to move along a third direction.

As a further alternative of the pipetting device, the third moving assembly comprises a first mounting seat and two lifting assemblies arranged on the first mounting seat, the first mounting seat is connected with the second moving assembly, the medicine bottle clamping assembly and the syringe clamping assembly are respectively connected with the first mounting seat in a sliding manner, one lifting assembly is connected with the medicine bottle clamping assembly and is used for driving the medicine bottle clamping assembly to move along the third direction, and the other lifting assembly is connected with the syringe clamping assembly and is used for driving the syringe clamping assembly to move along the third direction.

As a further alternative of the pipetting device, the lifting assembly comprises a lifting motor, a first screw and a first screw nut, the lifting motor is arranged on the first mounting seat, the output end of the lifting motor is connected with the first screw, so that the first screw can rotate along with the output end of the lifting motor, the first screw nut is connected with the screw in a meshed manner, and the first screw nut is used for being connected with the medicine bottle clamping assembly or the injector clamping assembly.

As a further alternative of the pipetting device, the first grabbing component and the second grabbing component each comprise a base, a plurality of clamping jaws and a clamping jaw driving component, the clamping jaws are slidably connected with the base, the output end of the clamping jaw driving component is connected with the clamping jaws, and the clamping jaw driving component is used for driving the clamping jaws to be close to or far away from each other.

As a further alternative of the pipetting device, on the vial clamping assembly, an output of the first drive assembly is connected to the base of the first gripper assembly for driving the base to rotate.

As a further alternative of the pipetting device, the syringe clamping assembly further comprises a liquid collection assembly, the liquid collection assembly comprises a liquid collection driving part and a liquid collection tank, an output end of the liquid collection driving part is connected with the liquid collection tank, and the liquid collection driving part can drive the liquid collection tank to move to the lower side of the syringe, so that the liquid collection tank can collect liquid medicine dropped in the syringe.

The implementation of the embodiment of the utility model has the following beneficial effects:

this pipetting device adopts the movable assembly to drive medicine bottle clamping assembly and syringe clamping assembly motion in the different regions of mesa, adopts medicine bottle clamping assembly to carry stoste bottle or finished product bottle, adopts medicine bottle clamping assembly to cooperate in fixed subassembly work in order to accomplish the lid that opens and shuts of stoste bottle or finished product bottle, adopts syringe clamping assembly to drive the syringe motion in order to take the extraction and the notes of becoming liquid, and the collaborative work between each subassembly has realized the full automatization of pipetting process, has solved the inefficiency that the manual pipetting exists and has had the problem of potential safety hazard.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic diagram showing the overall structure of a pipetting device according to an embodiment of the utility model;

FIG. 2 is a schematic view of a vial clamping assembly, a syringe clamping assembly and a third movement assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a portion of a first gripper assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of the first gripper assembly and the first driving assembly according to an embodiment of the utility model;

FIG. 5 is a schematic view of a portion of a jaw drive assembly according to an embodiment of the utility model;

FIG. 6 is a schematic diagram showing the connection structure of the third jaw, the fourth jaw, the fifth jaw and the sixth jaw according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a fifth clamping jaw according to an embodiment of the utility model;

description of main reference numerals:

10-frame, 11-stock solution area, 12-injector area, 13-bottle body area, 14-bottle cap area and 15-filtering area;

20-moving assembly, 21-first moving assembly, 22-second moving assembly, 23-third moving assembly, 231-first mounting seat, 2311-first mounting plate, 2312-second mounting plate, 232-lifting assembly, 2321-lifting motor, 2322-first lead screw, 2323-driving wheel, 2324-driven wheel;

30-vial clamping assembly, 31-first housing, 32-first gripping assembly, 321-base, 322-first jaw, 323-second jaw, 325-receiving cavity, 3251-boss, 326-jaw drive assembly, 3261-jaw drive motor, 3262-gear shaft, 32621-shaft, 32622-jaw drive gear, 3263-first rack, 3264-second rack, 3265-first gear, 3266-second gear, 33-first drive assembly, 331-rotating motor, 332-third gear, 333-fourth gear;

40-fixing the assembly;

50-syringe clamping assembly, 51-second housing, 52-second gripping assembly, 521-third jaw, 5211-first segment, 5212-second segment, 52121-first clamp plate, 52122-second clamp plate, 5213-third segment, 522-fourth jaw, 53-second drive assembly, 531-priming drive assembly, 5311-priming drive, 5312-second lead screw, 5313-second lead screw nut, 532-fifth clamp jaw, 5321-first portion, 53211-receiving slot, 5322-second portion, 53221-upper clamp plate, 53222-lower clamp plate, 533-sixth clamp plate, 54-collector assembly, 541-collector tank, 542-connecting arm;

60-collecting assembly;

70-a code scanning component;

80-code spraying assembly.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The embodiment of the utility model provides a pipetting device which is used for solving the problems of lower efficiency and potential safety hazard of manual pipetting in the prior art.

In an embodiment of the present utility model, please refer to fig. 1 and fig. 2 in combination, a pipetting device includes:

A frame 10, a table top is formed on the frame 10;

A moving assembly 20 disposed on the table top;

The medicine bottle clamping assembly 30 is connected with the moving assembly 20 and can move in different areas of the table top under the drive of the moving assembly 20, the medicine bottle clamping assembly 30 comprises a first grabbing assembly 32 and a first driving assembly 33, the first grabbing assembly 32 is used for grabbing a bottle cap or a bottle body of a raw liquid bottle or a finished product bottle, and the first driving assembly 33 is used for driving the first grabbing assembly 32 to move so as to open and close the raw liquid bottle or the finished product bottle;

The fixing component 40 is arranged on the table top, and the fixing component 40 is used for fixing the bottle body of the stock solution bottle or the finished product bottle in the process of opening and closing the cover;

The syringe clamping assembly 50, the syringe clamping assembly 50 is connected with the moving assembly 20 and can move in different areas of the table top under the driving of the moving assembly 20, the syringe clamping assembly 50 comprises a second grabbing assembly 52 and a second driving assembly 53, the second grabbing assembly 52 is used for grabbing the tube body of the syringe, and the second driving assembly 53 is used for driving the piston rod of the syringe to move, so that the liquid medicine is extracted or injected.

Generally speaking, a stock solution area 11 for placing stock solution bottles, an injector area 12 for placing injectors, a body area 13 for placing the bodies of finished bottles, and a cap area 14 for placing the caps of finished bottles are required to be placed on the table surface of the rack 10, and the stock solution bottles, the injectors, and the bodies and caps of the finished bottles can be placed in each area by using a rack to prevent toppling and displacement.

The working process of the pipetting device comprises the following steps:

Uncapping the stock solution bottle: under the drive of the moving component 20, the medicine bottle clamping component 30 moves to the stock solution area 11, the first grabbing component 32 works to grab the stock solution bottle, then under the drive of the moving component 20, the medicine bottle clamping component 30 moves the stock solution bottle to the fixing component 40, the fixing component 40 fixes the body of the stock solution bottle, then the first driving component 33 drives the first grabbing component 32 to move so as to uncap the stock solution bottle, specifically, when the body of the stock solution bottle is in clamping connection with the bottle cap, the first driving component 33 drives the first grabbing component 32 to perform lifting movement, and when the body of the stock solution bottle is in threaded connection with the bottle cap, the first driving component 33 drives the first grabbing component 32 to perform rotating movement;

Liquid taking: after the cover of the stock solution bottle is opened, the injector clamping assembly 50 moves to the injector area 12 under the drive of the moving assembly 20, the second grabbing assembly 52 grabs the injector, then the injector clamping assembly 50 moves to the stock solution bottle under the drive of the moving assembly 20, and the second driving assembly 53 works to drive the piston rod of the injector to move, so that the liquid in the stock solution bottle is pumped out;

Closing the cover of the stock solution bottle: after the liquid is taken, the first driving component 33 drives the first grabbing component 32 to move, so that the original liquid bottle is covered, and the bottle clamping component 30 is matched with the moving component 20 to send the original liquid bottle back to the original place after the cover is closed;

And (3) liquid injection: the moving assembly 20 drives the syringe holding assembly 50 and the syringe thereon to move to the body region 13, and the second driving assembly 53 operates to add liquid to the body of the finished bottle;

Closing the cap of the finished bottle: the medicine bottle clamping assembly 30 cooperates with the moving assembly 20 to clamp the body of the finished product bottle filled with the medicine liquid to the fixing assembly 40, then the medicine bottle clamping assembly 30 cooperates with the moving assembly 20 to place the bottle cap of the finished product bottle on the body of the finished product bottle from the bottle cap area 14, then the first grabbing assembly 32 cooperates with the first driving assembly 33 to complete the closing of the finished product bottle, and the finished product bottle after closing is placed back to the body area 13 or the bottle cap area 14 by the medicine bottle clamping assembly 30.

This pipetting device adopts movable assembly 20 to drive medicine bottle clamping assembly 30 and syringe clamping assembly 50 motion in the different regions of mesa, adopts medicine bottle clamping assembly 30 to carry stoste bottle or finished product bottle, adopts medicine bottle clamping assembly 30 to cooperate work in fixed subassembly 40 in order to accomplish the lid that opens and shuts of stoste bottle or finished product bottle, adopts syringe clamping assembly 50 to drive the syringe motion in order to take the extraction and the notes of becoming liquid, and the collaborative work between each subassembly has realized the full automatization of pipetting process, has solved the lower and problem that has the potential safety hazard of efficiency that exists of manual pipetting.

In one embodiment, the pipetting device further comprises a collection assembly 60, the collection assembly 60 being disposed on the table top for removing the syringe needle.

The purpose of removing the syringe needle tube is to enable injection of the drug solution through the opening provided in the syringe body, and to achieve higher efficiency than injection through a needle.

In a specific embodiment, a filtering area 15 is also provided on the table top, the filtering area 15 being used for placing several kinds of filter sheets.

In operation, the syringe clamp assembly 50 moves the syringe with the needle removed to the filter zone 15 and the syringe moves downwardly to press against the filter sheet, thereby engaging the surrounding walls of the tube opening of the syringe with the filter sheet. In general, a plurality of filter sheets can be placed on the table top, different kinds of filter sheets have different filtering effects, and the selection of specific kinds can be determined by an operator according to requirements.

In one embodiment, the pipetting device further comprises a code scanning assembly 70 and a code spraying assembly 80, wherein the code scanning assembly 70 is used for scanning codes on the raw liquid bottles, and the code spraying assembly 80 is used for spraying codes on the finished liquid bottles.

In this embodiment, two fixing assemblies 40 may be provided, one adjacent to the code scanning assembly 70 and one adjacent to the code spraying assembly 80, so that after the cover of the stock solution bottle is opened, the code on the stock solution bottle can be scanned quickly, and after the cover of the finished product bottle is closed, the code spraying of the finished product bottle can be performed quickly, and according to the positions of the fixing assemblies 40, the actions of scanning the code and spraying the code can be performed simultaneously with the action of opening and closing the cover. Generally, the securing assembly can be configured with various types of jaw mechanisms and suction mechanisms.

By adopting the embodiment, the finished product bottle can be marked conveniently according to the medicine information on the stock solution bottle, thereby facilitating medicine management.

In one embodiment, the movement assembly 20 includes a first movement assembly 21, a second movement assembly 22, and a third movement assembly 23; the first moving assembly 21 is connected with the second moving assembly 22, the first moving assembly 21 can drive the second moving assembly 22 to move along the first direction, the second moving assembly 22 is connected with the third moving assembly 23, the second moving assembly 22 is used for driving the third moving assembly 23 to move along the second direction, the medicine bottle clamping assembly 30 and the syringe clamping assembly 50 are respectively connected with the third moving assembly 23, and the third moving assembly 23 is used for driving the medicine bottle clamping assembly 30 and the syringe clamping assembly 50 to move along the third direction. Here, the first direction and the second direction refer to two directions which are complementarily parallel on a horizontal plane, and the third direction refers to a direction on a vertical plane. In this embodiment, the first moving assembly 21 and the second moving assembly 22 may be selected at least among a timing belt mechanism, an electric cylinder mechanism, and an air cylinder mechanism.

In a preferred embodiment, the first 21 and second 22 moving assemblies are provided as synchronous belt mechanisms. The synchronous belt transmission has the advantages of high transmission efficiency, good energy-saving effect, convenient maintenance and low running cost.

In a specific embodiment, referring to fig. 2, the third moving assembly 23 includes a first mounting seat 231 and two lifting assemblies 232 disposed on the first mounting seat 231, the first mounting seat 231 is connected to the second moving assembly 22, the medicine bottle clamping assembly 30 and the syringe clamping assembly 50 are slidably connected to the first mounting seat 231, respectively, one of the lifting assemblies 232 is connected to the medicine bottle clamping assembly 30 for driving the medicine bottle clamping assembly 30 to move along the third direction, and the other lifting assembly 232 is connected to the syringe clamping assembly 50 for driving the syringe clamping assembly 50 to move along the third direction.

In a more specific embodiment, the lifting assembly 232 includes a lifting motor 2321, a first screw 2322, and a first screw nut, the lifting motor 2321 is disposed on the first mount 231, an output end of the lifting motor 2321 is connected with the first screw 2322, such that the first screw 2322 can follow an output end of the lifting motor 2321 to rotate, the first screw nut is in meshed connection with the first screw 2322, and the first screw nut is used to connect with the medicine bottle clamping assembly 30 or the syringe clamping assembly 50.

In a further specific embodiment, the lifting assembly 232 further includes a driving wheel 2323, a driven wheel 2324, and a synchronous belt, the driving wheel 2323 is connected with the output end of the lifting motor 2321, the driven wheel 2324 is connected with the first screw 2322, and the synchronous belt is wound on the outer surfaces of the driving wheel 2323 and the driven wheel 2324. More specifically, the first mounting seat 231 includes a first mounting plate 2311 and a second mounting plate 2312, the first mounting plate 2311 and the second mounting plate 2312 are perpendicular to each other, the lifting motor 2321 is located at one side of the first mounting plate 2311, the medicine bottle clamping assembly 30 and the syringe clamping assembly 50 are located at the other side of the first mounting plate 2311 opposite to the lifting motor 2321, the lifting motor 2321 is connected to the second mounting plate 2312, specifically, the lower surface of the second mounting plate 2312, an output end of the lifting motor 2321 passes through the second mounting plate 2312 and then is connected to a driving wheel 2323 disposed on the upper surface of the second mounting plate 2312, and a driven wheel 2324 is also disposed on the upper surface of the second mounting plate 2312 and is spaced from the driving wheel 2323.

In other more specific embodiments, the lift assembly 232 may also include a cylinder or ram or a telescopic shaft motor, i.e., one of a cylinder or ram or a telescopic shaft motor is used to control the raising and lowering of the vial holder assembly 30 and syringe holder assembly 50.

As for the manner in which the first gripping module 32 and the second gripping module 52 grip the medicine bottle (raw liquid bottle or finished product bottle), they may grip the medicine bottle by using a gripping jaw, and may adsorb the medicine bottle by using a negative pressure module.

In one embodiment, referring to fig. 2 to 5 in combination, each of the first grabbing component 32 and the second grabbing component 52 includes a base 321, a plurality of clamping jaws and a clamping jaw driving component 326, wherein the clamping jaws are slidably connected with the base 321, an output end of the clamping jaw driving component 326 is connected with the clamping jaws, and the clamping jaw driving component 326 is used for driving the clamping jaws to approach or separate from each other.

With respect to the configuration of the jaws in the first gripper assembly 32, in one particular embodiment, the ends of the jaws are formed with receiving slots that can be closed when the plurality of jaws are brought into proximity to each other to collectively form a receiving cavity 325 that is compatible with the exterior of the bottle cap of the stock or finished bottle.

The advantage of this embodiment is that the shape of the receiving cavity 325 is adapted to the shape of the bottle cap, so that the clamping jaw has a larger contact area with the bottle cap when clamping the bottle cap, so that the clamping process is more stable and is less prone to falling off due to external disturbance.

In a more specific embodiment, the surrounding walls of the receiving cavity 325 are formed with protrusions 3251, the protrusions 3251 being adapted to be received in grooves in the bottle cap when the bottle cap is gripped.

For the number of arranged jaws, in a specific embodiment, the number of the jaws of the first grabbing component 32 is two, namely a first jaw 322 and a second jaw 323; the number of the clamping jaws of the second gripping assembly 52 is also two, a third clamping jaw 521 and a fourth clamping jaw 522, respectively.

The advantage of having only two jaws is that two jaws are sufficient to form a stable grip, while a smaller number of jaws can simplify the construction of the jaw drive assembly 326.

With respect to the arrangement of the jaw drive assembly 326, in a more specific embodiment, the jaw drive assembly 326 includes a jaw drive motor 3261, a gear shaft 3262, a first rack 3263, and a second rack 3264; the gear shaft 3262 includes a shaft 32621 and a jaw driving gear 32622 disposed on the shaft 32621, the shaft 32621 is connected to an output end of the jaw driving motor 3261, the jaw driving gear 32622 is respectively engaged with a first rack 3263 and a second rack 3264, the first rack 3263 and the second rack 3264 are parallel to each other and located on two sides of the jaw driving gear 32622, the first rack 3263 is fixedly connected to the first jaw 322, and the second rack 3264 is fixedly connected to the second jaw 323.

In a further specific embodiment, the jaw drive assembly 326 further includes a first gear 3265 and a second gear 3266, the first gear 3265 is sleeved on the output end of the jaw drive motor 3261, the second gear 3266 is sleeved on the shaft 32621, the first gear 3265 is in meshed connection with the second gear 3266, and the motion output by the jaw drive motor 3261 can be transmitted to the gear shaft 3262 via the first gear 3265 and the second gear 3266.

As mentioned above, when the cap and the body of the medicine bottle are connected in a snap-fit manner, the first driving assembly 33 should output a lifting motion, and when the cap and the body of the medicine bottle are connected in a screw-fit manner, the first driving assembly 33 should output a rotating motion, and since the screw-fit connection is more capable of forming a well-sealed connection to avoid leakage of liquid, the first driving assembly 33 should preferably output a rotating motion accordingly.

In a specific embodiment, on the vial holder assembly 30, the output end of the first drive assembly 33 is connected to the base 321 of the first gripper assembly 32 for driving the base 321 into rotation.

In a more specific embodiment, the first driving assembly 33 includes a rotary motor 331, a third gear 332, and a fourth gear 333, the output end of the rotary motor 331 is connected to the third gear 332, the fourth gear 333 is connected to the base 321, and the third gear 332 is meshed with the fourth gear 333. In operation, the rotation output from the rotary motor 331 is transmitted to the base 321 via the third gear 332 and the fourth gear 333, thereby driving the base 321 to rotate.

To make the construction more compact, in a more specific embodiment, the vial holder assembly 30 further comprises a first housing 31, the first housing 31 being connected to the movement assembly 20, and the jaw drive assembly 326 and the first drive assembly 33 being disposed in the first housing 31. The syringe clamp assembly 50 further includes a second housing 51, the second housing 51 being coupled to the movement assembly 20, the jaw drive assembly 326 being disposed in the second housing 51.

Referring to fig. 2 to 7 in combination, based on the scheme that the clamping jaw of the second grabbing component 52 includes the third clamping jaw 521 and the fourth clamping jaw 522, for the arrangement of the second driving component 53, in a more specific embodiment, the second driving component 53 includes a pumping and injecting driving component 531, a fifth clamping jaw 532 and a sixth clamping jaw 533, the fifth clamping jaw 532 is slidably connected with the third clamping jaw 521, the sixth clamping jaw 533 is slidably connected with the fourth clamping jaw 522, when the third clamping jaw 521 and the fourth clamping jaw 522 clamp the syringe body, the fifth clamping jaw 532 and the sixth clamping jaw 533 can clamp the piston rod and clamp the output end of the pumping and injecting driving component 531 at the same time, and the pumping and injecting driving component 531 is used for driving the fifth clamping jaw 532 and the sixth clamping jaw 533 to ascend or descend.

In a further specific embodiment, the third jaw 521 and the fourth jaw 522 each comprise a first segment 5211 and a second segment 5212 extending vertically and a third segment 5213 connected horizontally between the first segment 5211 and the second segment 5212, the fifth jaw 532 or the sixth jaw 533 is slidably connected to the first segment 5211, the third segment 5213 is capable of limiting the fifth jaw 532 or the sixth jaw 533, and a clamping portion is formed at a lower end of the second segment 5212 for clamping a tube of a syringe.

In a further specific embodiment, the clamping portion includes a first clamping plate 52121 and a second clamping plate 52122, and a gap between the first clamping plate 52121 and the second clamping plate 52122 is used for clamping a wing plate provided at an upper end of a tube body of the syringe.

In a further specific embodiment, the pumping and injecting driving assembly 531 includes a pumping and injecting driving member 5311, a second screw 5312 and a second screw nut 5313, the second screw 5312 is connected to an output end of the pumping and injecting driving member 5311, the second screw nut 5313 is meshed with the second screw 5312, the second screw nut 5313 is disposed at two intervals, the fifth clamping jaw 532 and the sixth clamping jaw 533 can be clamped between the two second screw nuts 5313, and the second screw nut 5313 can limit the fifth clamping jaw 532 and the sixth clamping jaw 533, so as to drive the fifth clamping jaw 532 and the sixth clamping jaw 533 to ascend or descend.

In a further specific embodiment, referring to fig. 7, each of the fifth clamping jaw 532 and the sixth clamping jaw 533 includes a first portion 5321 extending horizontally and a second portion 5322 extending vertically, wherein an end portion of the first portion 5321 forms a receiving slot 53211 for clamping an output end of the pumping and injecting driving assembly 531, a lower end portion of the second portion 5322 is connected to an upper pressing plate 53221 and a lower pressing plate 53222, the upper pressing plate 53221 and the lower pressing plate 53222 are disposed in parallel and spaced apart, and a gap between the upper pressing plate 53221 and the lower pressing plate 53222 is used for connecting with a piston rod.

In one embodiment, the syringe clamp assembly 50 further includes a liquid collection assembly 54, the liquid collection assembly 54 including a liquid collection drive member and a liquid collection tank 541, an output end of the liquid collection drive member being connected to the liquid collection tank 541, the liquid collection drive member being capable of driving the liquid collection tank 541 to move below the syringe such that the liquid collection tank 541 is capable of collecting liquid medication that has dripped into the syringe.

In a specific embodiment, the drip assembly 54 further includes a connecting arm 542, one end of the connecting arm 542 is connected to the output end of the drip drive member, the other end of the connecting arm 542 is connected to the drip tank 541, and the connecting arm 542 can be rotated by the drip drive member to drive the drip tank 541 to move under the syringe.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A pipetting device comprising:

A stand, on which a table top is formed;

the moving assembly is arranged on the table top;

The medicine bottle clamping assembly is connected with the moving assembly and can move in different areas of the table top under the drive of the moving assembly, the medicine bottle clamping assembly comprises a first grabbing assembly and a first driving assembly, the first grabbing assembly is used for grabbing a bottle cap or a bottle body of a raw liquid bottle or a finished product bottle, and the first driving assembly is used for driving the first grabbing assembly to move so as to open and close the raw liquid bottle or the finished product bottle;

The fixing component is arranged on the table top and is used for fixing the body of the stock solution bottle or the finished product bottle in the process of opening and closing the cover;

The syringe clamping assembly is connected with the moving assembly and can move in different areas of the table top under the driving of the moving assembly, the syringe clamping assembly comprises a second grabbing assembly and a second driving assembly, the second grabbing assembly is used for grabbing a tube body of the syringe, and the second driving assembly is used for driving a piston rod of the syringe to move, so that liquid medicine is extracted or injected.

2. The pipetting device of claim 1 further comprising a collection assembly disposed on the table top for removing a syringe of the syringe.

3. Pipetting device according to claim 2, wherein a filter zone is further provided on the table top, the filter zone being used for placing several kinds of filter sheets.

4. The pipetting device of claim 1 further comprising a code scanning assembly for scanning the code on the stock solution bottle and a spray code assembly for spraying the code on the finished bottle.

5. The pipetting device of claim 1, wherein the moving assembly comprises a first moving assembly, a second moving assembly, and a third moving assembly;

The first moving assembly is connected with the second moving assembly, the first moving assembly can drive the second moving assembly to move along a first direction, the second moving assembly is connected with the third moving assembly, the second moving assembly is used for driving the third moving assembly to move along a second direction, the medicine bottle clamping assembly and the syringe clamping assembly are respectively connected with the third moving assembly, and the third moving assembly is used for driving the medicine bottle clamping assembly and the syringe clamping assembly to move along a third direction.

6. The pipetting device of claim 5 wherein the third movable assembly comprises a first mount and two lifting assemblies disposed on the first mount, the first mount and the second movable assembly being connected, the vial clamping assembly and the syringe clamping assembly being slidably connected to the first mount, respectively, one of the lifting assemblies being connected to the vial clamping assembly for driving the vial clamping assembly to move in the third direction, and the other lifting assembly being connected to the syringe clamping assembly for driving the syringe clamping assembly to move in the third direction.

7. The pipetting device of claim 6, wherein the elevator assembly comprises an elevator motor disposed on the first mount, a first lead screw having an output coupled to the first lead screw such that the first lead screw is capable of following rotation of the output of the elevator motor, and a first lead screw nut in meshed engagement with the lead screw, the first lead screw nut being adapted to be coupled to either the vial clamp assembly or the syringe clamp assembly.

8. The pipetting device of claim 1, wherein the first gripper assembly and the second gripper assembly each comprise a base, a plurality of jaws, and a jaw drive assembly, wherein a plurality of the jaws are slidably coupled to the base, an output of the jaw drive assembly is coupled to the plurality of jaws, and the jaw drive assembly is configured to drive the jaws toward and away from each other.

9. The pipetting device of claim 8 wherein an output of the first drive assembly is coupled to the base of the first grasping assembly on the vial holder assembly for driving the base in rotation.

10. The pipetting device of claim 1, wherein the syringe clamp assembly further comprises a liquid collection assembly comprising a liquid collection drive and a liquid collection tank, an output of the liquid collection drive being connected to the liquid collection tank, the liquid collection drive being capable of driving the liquid collection tank to move below the syringe such that the liquid collection tank is capable of collecting liquid medication that drips from the syringe.