CN212556903U

CN212556903U - Semi-automatic boxing device for pipette suction head

Info

Publication number: CN212556903U
Application number: CN202022069800.2U
Authority: CN
Inventors: 张建广; 刁勇
Original assignee: Huaqiao University
Current assignee: Huaqiao Bioengineering Technology Co ltd; Jiang Shimin; Shanghai Jihao Electronic Technology Co ltd; Xing Dezhong; Zhang Wei
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-02-19
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a semi-automatic cartoning device of pipettor suction head relates to medical instrument technical field, can include: suction head sieve and clamp and get the transfer device, be provided with a plurality of mounting holes on the suction head sieve side by side for installation pipettor suction head, press from both sides and get the transfer device and be used for with pipettor suction head shifts to in the suction head box. The utility model provides a problem of pure manual cartridge pipettor suction head inefficiency, can accomplish the work of cartridge pipettor suction head by the efficient.

Description

Semi-automatic boxing device for pipette suction head

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a semi-automatic cartoning device of pipettor suction head.

Background

Pipette tips are used as common consumables in biology, chemistry and hospital laboratories, and the consumption is very high, and at present, the pipette tips are manually loaded into a tip box. Therefore, after each day of work, in order to ensure the next day of work, a large number of tips are loaded into the tip magazine, and 10. mu.l and 200. mu.l tips are small in size, inconvenient to take and place during the process of putting the tips into the tip magazine one by one, and long in operation time. Therefore, a great deal of manpower and valuable time are consumed for loading the suction heads every day, and most importantly, the suction head box is manually loaded, so that certain pollution is easily caused by touching the suction heads by bodies, and the experiment can fail. But no simple, portable and practical device for boxing the suction head exists in the market at present.

Therefore, a suction head loading device which is simple to operate, free from the limitation of a field and reliable in performance is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a semi-automatic cartoning device of pipettor suction head to solve the problem of pure manual cartridge pipettor suction head inefficiency, can accomplish the work of cartridge liquid-transfering suction head by the efficient.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a semi-automatic cartoning device of pipettor suction head, include: suction head sieve and clamp and get the transfer device, be provided with a plurality of mounting holes on the suction head sieve side by side for installation pipettor suction head, press from both sides and get the transfer device and be used for with pipettor suction head shifts to in the suction head box.

Preferably, the mounting hole is a long circular hole, a rectangular hole or an elliptical hole, and the pipette tips are vertically arranged on the tip sieve plate.

Preferably, the sucker sieve plate is made of metal, plastic or glass materials, and a first positioning device is arranged on the sucker sieve plate.

Preferably, the clamping and transferring device comprises a push plate and an embedded base, an elastic suction nozzle is arranged below the embedded base, and an insertion hole is arranged above the embedded base and is correspondingly arranged right above the elastic suction nozzle; the push plate is positioned above the embedded base, a pin is arranged below the push plate, and the pin is correspondingly arranged right above the jack; a first spring is arranged between the embedding base and the push plate.

Preferably, an opening is formed in the top of the elastic suction nozzle, and the bottom of the pin penetrates through the insertion hole and is inserted into the elastic suction nozzle to expand the elastic suction nozzle.

Preferably, a plurality of embedded bases are arranged side by side to form an embedded base module, and each embedded base is provided with 6-15 elastic suction nozzles; the number of the push plates is the same as that of the embedded bases, the push plates form push plate modules, and the number of the pins is the same as that of the elastic suction nozzles.

Preferably, two ends of the adjacent embedded bases are connected through a first connecting block, and a third spring is arranged between the adjacent embedded bases; and two ends of the push plates are connected through a second connecting block, and a second spring is arranged between the adjacent push plates.

Preferably, the push plate module is fixedly arranged between the tops of the first fixing frame and the second fixing frame, and the embedded base module is fixedly arranged between the bottoms of the first fixing frame and the second fixing frame; and a second positioning device is arranged on the first fixing frame, and the second positioning device is matched with the first positioning device to complete the positioning of the clamping and transferring device and the suction head sieve plate.

Preferably, the push plate module is connected with the first fixing frame and the top of the second fixing frame through a second threaded rod and is fixed through a nut; the embedded base module is connected with the first fixing frame and the bottom of the second fixing frame through a first threaded rod and is fixed through a nut.

Preferably, through holes are correspondingly formed in the first connecting block and the embedding base and used for enabling the first threaded rod to pass through; the second connecting block and all correspond on the push pedal and be provided with the through-hole, be used for making the second threaded rod passes through.

The utility model discloses following beneficial technological effect has been gained for prior art:

the utility model provides a problem of pure manual cartridge pipettor suction head inefficiency, can accomplish the work of cartridge pipettor suction head by the efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of a suction head sieve plate of the present invention;

FIG. 2 is an assembly view of the suction head sieve plate and the suction head of the present invention;

fig. 3 is a model diagram of the middle clamping and transferring device of the present invention;

fig. 4 is an exploded view of the gripping and transferring device of the present invention;

fig. 5 is a schematic structural view of the embedded base of the present invention;

fig. 6 is a schematic structural view of the push plate of the present invention;

FIG. 7 is a schematic view of the push plate and the embedded base of the present invention;

FIG. 8 is a front view of FIG. 7;

the suction head comprises a first fixing frame 1, a first threaded rod 2, a first connecting block 3, a first spring 4, a push plate 5, a nut 6, a second threaded rod 7, a second spring 8, a second connecting block 9, a second fixing frame 10, a third spring 11, an embedded base 12, a pin 13, an elastic suction nozzle 14, a suction head sieve plate 15 and a pipette suction head 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the present embodiment provides a semi-automatic boxing device for pipette tips, including: the suction head sieve plate 15 is provided with a plurality of mounting holes side by side for mounting the pipette suction heads 16, and the pipette suction heads 16 are regularly and vertically arranged on the suction head sieve plate 15; the gripper transfer device is used to transfer the pipette tips 16 into a tip cassette.

In this embodiment, the mounting holes are oblong holes, rectangular holes, elliptical holes, or the like, and in practical applications, parameters such as the width, length, and inter-hole distance of the mounting holes may be selected as needed to insert pipette tips 16 of different specifications; wherein, the sucker sieve plate 15 is made of metal, plastic or glass material, in practical application, the processing method and material of the sucker sieve plate 15 can be changed in different ways to adapt to relevant requirements.

In this embodiment, the tip screen 15 functions to allow the pipette tips 16 to be quickly erected in a regular array, as shown in fig. 2; in the using process, the sucker sieve plate 15 forms a certain angle with the desktop, then the sucker sieve plate 15 is slightly shaken or vibrated when the bulk pipette sucker 16 is continuously placed on the sucker sieve plate 15, the sucker vertical to the sucker sieve plate 15 falls into the hole of the sucker sieve plate 15, and the sucker which does not fall into the hole falls into the sucker recovery box; when a certain number of pipette tips 16 are arranged on the tip sieve plate 15, the angle between the tip sieve plate 15 and the tabletop is increased, the pipette tips 16 slide to one end of the tip sieve plate 15 under the action of gravity, so that the pipette tips 16 are tightly and vertically arranged on the tip sieve plate 15, and in each long circular hole or rectangular hole, the central distance between the tightly arranged pipette tips 16 is the diameter of the outer edge of the pipette tip 16, and then the pipette tips are matched with a clamping and transferring device to perform the next operation.

In this embodiment, the gripping and transferring device comprises a push plate 5 and an embedded base 12, an elastic suction nozzle 14 is installed below the embedded base 12, and a jack is arranged above the embedded base 12 and correspondingly arranged right above the elastic suction nozzle 14; the push plate 5 is positioned above the embedded base 12, the pin 13 is arranged below the push plate 5, and the pin 13 is correspondingly arranged right above the jack; a first spring 4 is arranged between the embedded base 12 and the push plate 5, and the bottom end and the top end of the first spring 4 are respectively connected with the embedded base 12 and the push plate 5.

In the present embodiment, the elastic suction nozzle 14 is made of an elastic material, and the top of the elastic suction nozzle is provided with an opening, the bottom of the pin 13 passes through the insertion hole and is inserted into the elastic suction nozzle 14, so as to expand the elastic suction nozzle 14, so that the pipette tip 16 can be sucked up; wherein, the elastic suction nozzle 14 can be selected from other structures according to the requirement.

In the embodiment, a plurality of embedded bases 12 are arranged side by side to form an embedded base module, and each embedded base 12 is provided with 6-15 elastic suction nozzles 14; the number of the push plates 5 is the same as that of the embedded bases 12, a plurality of push plates 5 form a push plate module, and the number of the pins 13 is the same as that of the elastic suction nozzles 14.

In this embodiment, two ends of adjacent embedded bases 12 are connected by the first connecting block 3, and a third spring 11 is disposed between the adjacent embedded bases 12; the two ends of the adjacent push plates 5 are connected through a second connecting block 9, and a second spring 8 is arranged between the adjacent push plates 5.

In this embodiment, the push plate module further includes a first fixing frame 1 and a second fixing frame 10, the push plate module is fixedly installed between the tops of the first fixing frame 1 and the second fixing frame 10, and the embedded base module is fixedly installed between the bottoms of the first fixing frame 1 and the second fixing frame 10.

In this embodiment, the suction head sieve plate 15 is provided with a first positioning device, the first fixing frame 1 is provided with a second positioning device, and the second positioning device is matched with the first positioning device to complete the positioning of the clamping and transferring device and the suction head sieve plate 15; specifically, as shown in fig. 1-2, the first positioning device includes two positioning pins and a baffle plate disposed around the suction head sieve plate 15, and as shown in fig. 3-4, the second positioning device includes two positioning slots, which are inserted into the positioning slots through the positioning pins and are limited by the baffle plate, so as to realize the positioning of the clamping and transferring device and the suction head sieve plate 15.

In the embodiment, the push plate module is connected with the tops of the first fixing frame 1 and the second fixing frame 10 through the second threaded rod 7 and is fixed through the nut 6; the embedded base module is connected with the bottoms of the first fixing frame 1 and the second fixing frame 10 through the first threaded rod 2 and is fixed through the nut 6.

In this embodiment, the first connecting block 3 and the embedding base 12 are respectively provided with a through hole for the first threaded rod 2 to pass through; and through holes are correspondingly formed in the second connecting block 9 and the push plate 5 and used for enabling the second threaded rod 7 to pass through.

In this embodiment, the first connecting block 3 and the second connecting block 9 have the same structure and are both U-shaped connecting blocks; and the both ends at embedding base 12 and push pedal 5 all are provided with the spread groove, and two curb plates of U type connecting block insert respectively adjacent two imbeds base 12 or push pedal 5 spread groove in, carry on spacingly to two spread grooves.

In the embodiment, the first fixing frame 1 and the second fixing frame 10 are kneaded in the using process, at this time, the clamping and transferring device is in a compressed state, and the center distance of the elastic suction nozzles 14 embedded between the bases 12 in the compressed state is the center distance of the tight arrangement of the pipette tips 16 on the tip sieve plate 15; at this time, the gripping and transferring device in a compressed state is aligned with the pipette tip 16 on the tip sieve plate 15, the push plate 5 is lightly pressed, the pin 13 on the push plate 5 is inserted into the elastic suction nozzle 14, and the elastic suction nozzle 14 is supported and expanded so that the pipette tip 16 on the tip sieve plate 15 is connected to the elastic suction nozzle 14.

Then the first fixing frame 1 and the second fixing frame 10 are loosened, and the clamping and transferring device is in a loosened state; the distance between the insertion bases 12 in the released state is secured by the first connection block 3, and the distance between the elastic suction nozzles 14 inserted into the bases 12 at this time is the center-to-center distance of the nozzle holes in the head cartridge. Then the clamping and transferring device is taken up, so that the pipette suction head 16 on the suction head clamping and transferring device is aligned to the suction head hole on the suction head box, then the push plate 5 is supported, and the pipette suction head 16 falls into the suction head box, thereby realizing the quick boxing of the pipette suction head 16.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a semi-automatic cartoning device of pipettor suction head which characterized in that: the method comprises the following steps: suction head sieve and clamp and get the transfer device, be provided with a plurality of mounting holes on the suction head sieve side by side for installation pipettor suction head, press from both sides and get the transfer device and be used for with pipettor suction head shifts to in the suction head box.

2. The semi-automatic pipette tip boxing apparatus according to claim 1, wherein: the mounting hole is a long circular hole, a rectangular hole or an elliptical hole, and the pipette tips are vertically arranged on the tip sieve plate.

3. The semi-automatic cartoning device of a pipette tip according to claim 2, wherein: the suction head sieve plate is made of metal, plastic or glass materials, and a first positioning device is arranged on the suction head sieve plate.

4. The semi-automatic cartoning device for a pipette tip according to claim 3, wherein: the clamping and transferring device comprises a push plate and an embedded base, an elastic suction nozzle is arranged below the embedded base, and an insertion hole is arranged above the embedded base and correspondingly arranged right above the elastic suction nozzle; the push plate is positioned above the embedded base, a pin is arranged below the push plate, and the pin is correspondingly arranged right above the jack; a first spring is arranged between the embedding base and the push plate.

5. The semi-automatic cartoning device of a pipette tip according to claim 4, wherein: the top of the elastic suction nozzle is provided with an opening, and the bottom of the pin penetrates through the jack and is inserted into the elastic suction nozzle to prop open the elastic suction nozzle.

6. The semi-automatic cartoning device of a pipette tip according to claim 4, wherein: the embedded bases are arranged side by side to form embedded base modules, and each embedded base is provided with 6-15 elastic suction nozzles; the number of the push plates is the same as that of the embedded bases, the push plates form push plate modules, and the number of the pins is the same as that of the elastic suction nozzles.

7. The semi-automatic cartoning device of a pipette tip according to claim 6, wherein: two ends of the adjacent embedded bases are connected through a first connecting block, and a third spring is arranged between the adjacent embedded bases; and two ends of the push plates are connected through a second connecting block, and a second spring is arranged between the adjacent push plates.

8. The semi-automatic pipette tip boxing apparatus according to claim 7, wherein: the push plate module is fixedly arranged between the tops of the first fixing frame and the second fixing frame, and the embedded base module is fixedly arranged between the bottoms of the first fixing frame and the second fixing frame; and a second positioning device is arranged on the first fixing frame, and the second positioning device is matched with the first positioning device to complete the positioning of the clamping and transferring device and the suction head sieve plate.

9. The semi-automatic cartoning device of a pipette tip according to claim 8, wherein: the push plate module is connected with the first fixing frame and the top of the second fixing frame through a second threaded rod and is fixed through a nut; the embedded base module is connected with the first fixing frame and the bottom of the second fixing frame through a first threaded rod and is fixed through a nut.

10. The semi-automatic cartoning device of a pipette tip according to claim 9, wherein: through holes are correspondingly formed in the first connecting block and the embedding base and used for enabling the first threaded rod to pass through; the second connecting block and all correspond on the push pedal and be provided with the through-hole, be used for making the second threaded rod passes through.