CN218012816U

CN218012816U - Liquid injection row gun

Info

Publication number: CN218012816U
Application number: CN202221990375.3U
Authority: CN
Inventors: 刘家朋
Original assignee: Shanghai X Imaging Info & Tech Co ltd
Current assignee: Shanghai X Imaging Info & Tech Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2022-12-13
Anticipated expiration: 2032-07-30

Abstract

The utility model relates to a laboratory automation equipment technical field discloses a annotate liquid calandria, including flat casing and drive head, flat casing vacuole formation, form the head passageway between cavity and the drive head set up the drive seat along length direction in the upper portion of cavity, the top of drive seat is the fore-set, stretches into the head passageway, set up thrust spring between the top of fore-set and the flat casing, the both ends sliding fit of drive seat is on the guide pillar at cavity both ends, set up a calandria seat in the lower part of cavity, the internal fixation rifle head of calandria seat, the lower extreme of rifle head stretches out from flat casing below, set up the piston in the rifle head, the piston rod of piston sets up in the drive seat. The utility model discloses the structure is ingenious, is fit for the automatic inspection laboratory a large amount of liquid and handles the orifice plate.

Description

Liquid injection row gun

Technical Field

The utility model relates to a laboratory automation equipment technical field especially relates to a notes liquid calandria.

Background

In the liquid treatment work of biochemical automation equipment, multi-channel simultaneous liquid injection operation is carried out on the pore plate and the container through eight rows of guns. The flow of the liquid drops is manually controlled in the operation process, so that liquid injection is realized.

In automation equipment, in order to realize the accurate liquid injection process through a mechanical structure, manual eight-row gun equipment is directly applied to the automation equipment in a mode of adoption, and as the manual operation structure of the eight-row gun is not suitable for the automation equipment, faults are caused frequently, the liquid injection precision is low, and the automation treatment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, providing a annotate liquid calandria rifle, modular design, the structure is ingenious, is fit for a large amount of liquid in automatic inspection laboratory and handles the orifice plate.

The utility model adopts the technical proposal that:

the utility model provides a notes liquid calandria, characterized by includes flat casing and drive head, flat casing vacuole formation, form the head passageway between cavity and the drive head set up the drive seat along length direction in the upper portion of cavity, the top of drive seat is the fore-set, stretches into the head passageway, set up thrust spring between the top of fore-set and the flat casing, the both ends sliding fit of drive seat is on the guide pillar at cavity both ends, set up a calandria seat in the lower part of cavity, the internal fixation rifle head of rifle seat, the lower extreme of rifle head stretches out from flat casing below, set up the piston in the rifle head, the piston rod of piston sets up in the drive seat.

Further, the lower extreme of rifle head forms a plurality of rings protruding for the suit suction head, the rifle head is 8 and sets up side by side.

Furthermore, spring seats are arranged on two sides of the top column of the driving seat, and the thrust spring is arranged between the spring seats and the flat shell through a supporting rod.

Furthermore, a check ring is arranged at the top of the gun head, a spring is arranged between the piston and the check ring, the head of the piston rod is positioned in the driving seat, and the spring is arranged between the head of the piston rod and a pressing sleeve in the driving seat.

Furthermore, positioning holes are formed in the flat shell on two sides of the driving head.

Furthermore, a groove is arranged inside the driving head, and clamping columns are arranged on two sides of the outside of the driving head.

Further, the driving head is clamped through the gun changing head, a clamping block is installed in an inner hole of the gun changing head through a clamping spring, and the clamping block is matched with the groove of the driving head, so that the gun changing head can clamp the driving head.

Further, a push rod motor is installed on the gun changing head, a telescopic rod of the push rod motor is matched with a top column above the driving seat, the top column is driven to enable the driving seat to drive the piston rod to lift, and liquid absorption and injection of the gun head are achieved.

Furthermore, the card post of driving head is used for putting back the rifle of arranging to on trading the rifle seat, trade the accommodation space that the rifle seat includes two blocks of curb plates formation, forms the groove of bending on the curb plate, the groove width in groove of bending and card post phase-match, the cooperation of card post is in the inslot of bending, makes the rifle of arranging return to be located the accommodation space.

Further, a positioning block is arranged at the front end of the gun changing head and matched with a positioning hole of the driving head.

The utility model has the advantages that:

(1) The flat structure occupies less space, and the standardized card-shaped structure is convenient for replacing auxiliary products with different functions;

(2) The eight rows of hole positions are used for high-precision liquid injection at the same time, and the liquid injection device is conveniently and efficiently matched with the gun head;

(3) The structure is ingenious, the installation is convenient, and the failure rate is low.

Drawings

FIG. 1 is a schematic structural view of the liquid-filling discharging gun of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the liquid injection and discharge gun;

FIG. 3 is a schematic view of a side housing;

FIG. 4 is an enlarged partial view of the gun head installation;

FIG. 5 is a schematic structural view of a lance tip replacement head;

FIG. 6 is a cut-away schematic view of the lance tip;

FIG. 7 is a schematic view of the filling gun being reset to the gun changing station.

The reference numbers in the drawings are respectively:

1. a flat housing; 2, driving the head;

3. a cavity; a head channel;

5. a driving seat; 6, jacking a column;

7. a head top block; a thrust spring;

9. a guide post; 10, a gun head seat;

11. a gun head; a piston;

13. a piston rod; the ring is convex;

15. a suction head; a fixed mold;

17. a spring seat; a support bar;

19. a retainer ring; a spring;

21. pressing a sleeve; a spring;

23. changing the gun head; 24, a fixture block;

25. a groove; 26, positioning blocks;

27. positioning holes; 28, telescopic rods;

29. replacing the gun seat; 30, side plates;

31. bending the groove; a snap post.

Detailed Description

The following describes in detail a specific embodiment of the liquid injection lance of the present invention with reference to the drawings.

Referring to the attached

drawings

1 and 2, the liquid injection and discharge gun comprises a flat shell 1 and a driving head 2, wherein the flat shell 1 forms a cavity 3, a head channel 4 is formed between the cavity 3 and the driving head 2, a driving seat 5 is arranged in the upper part of the cavity 3 along the length direction, a top column 6 is arranged above the driving seat 5, extends into the head channel 4 and the head channel 4, and a head top block 7 can be arranged above the driving seat and is used for receiving the jacking force. A thrust spring 8 is provided between the top end of the top post 6 and the flat housing 1.

Two ends of the driving seat 5 are in sliding fit with guide posts 9 at two ends of the cavity 3, a row of gun head seats 10 are arranged in the lower portion of the cavity 3, gun heads 11 are fixed in the gun head seats 10, the lower ends of the gun heads 11 extend out of the lower portion of the flat shell 1, pistons 12 are arranged in the gun heads 11, and piston rods 13 of the pistons 12 are arranged in the driving seat 5. The lower end of the gun heads 11 is provided with a plurality of annular protrusions 14 for sleeving the suction heads 15, and the gun heads 11 are arranged side by side.

Referring to fig. 3, a fixed mold 16 corresponding to the lance tip 11 is formed in the lance tip seat 10, so that the lance tip 11 can be stably fixed in the fixed mold 16 when the flat casing 1 is assembled. The moving position of the piston rod 13 is formed above the fixed mould 16, and the outlet of the gun head 11 is arranged below the fixed mould.

Spring seats 17 are arranged on two sides of the top column 6 of the driving seat 5, and a thrust spring 8 is arranged between the spring seats 17 and the flat shell 1 through a support rod 18.

Referring to fig. 4, a retaining ring 19 is arranged at the top of the gun head 11, a spring 20 is arranged between the piston 12 and the retaining ring 19, the head of the piston rod 13 is positioned in the driving seat 5, and a spring 22 is arranged between the head of the piston rod 13 and a pressing sleeve 21 in the driving seat 5.

Referring to the attached

drawings

5 and 6, the driving head part 2 is clamped by a gun changing head 23, the gun changing head 23 realizes liquid suction and injection operation on the gun head 11 through a push rod motor, a clamping block 24 is installed in an inner hole of the gun changing head 23 through a clamping spring, a groove 25 (referring to the attached drawing 1) is formed in the driving head part 2, the clamping block 24 is matched with the groove 25 of the driving head part 2, and the clamping of the driving head part 2 by the gun changing head 23 is realized.

A positioning block 26 is provided at the front end of the lance head 23, and positioning holes 27 (see fig. 1) are provided in the flat housing 1 on both sides of the driving head 2. The positioning block 26 cooperates with a positioning hole 27 of the drive head 2.

The lance head 23 is provided with a push rod motor, and a telescopic rod 28 of the push rod motor is matched with a top column 65 above the driving seat 54 to drive the top column 65 to enable a piston 12 of the lance head 11 to lift in the lance head 11.

Referring to fig. 7, the gun change stand 29 is used to store and change the line guns. The gun changing seat 29 comprises a containing space formed by two side plates 30, and a bending groove 31 is formed on the side plates 30. Correspondingly, the drive head 2 is provided on both sides with catch studs 32 on the outside (see fig. 1). The card post 32 of drive head 2 is used for putting back notes liquid calandria on trading gun seat 29, and the groove width and the card post 32 phase-match of bending groove 31, card post 32 cooperation are in bending groove 31, make notes liquid calandria return in accommodation space.

The specific operation process of the liquid injection and discharge gun is as follows: in the initial state, the liquid injection discharging gun is hung on the gun changing seat 29, the gun changing head 23 is inserted into the driving head 2 of the discharging gun from the upper part in a matching mode, the positioning block 26 is positioned with the positioning hole 27, the clamping block 24 is pressed into the groove 25, and the clamping block 24 is automatically matched into the groove 25 under the action of the clamping spring. The gun changing head 23 is lifted, the row gun is taken out from the gun changing seat 29 along the path of the bending groove 31 and moved to the position where the hole plate is injected with liquid, the push rod motor drives the telescopic rod 28 to pull up or press down the ejection column 6 of the driving head 2, the ejection column 6 drives the driving seat 5 to move up and down, and the driving seat 5 drives the movable cold rod to lift in the gun head 11 to suck and inject the liquid.

After the discharging gun stops being used, the gun changing head 23 is moved to the gun changing seat 29, the liquid injection discharging gun is placed into the gun changing seat 29, the clamping column 32 is matched in the bending groove 31 along the bending groove 31, the gun changing head 23 is lifted, the clamping block 24 of the gun changing head 23 is lifted out of the groove 25 under stress, and the separation of the liquid injection discharging gun and the gun changing head 23 is achieved.

In addition, the suction head 15 on the gun head 11 can be directly pressed in by moving the injection and discharge gun to the position of the suction head 15 box, and when the suction head 15 is withdrawn, the suction head 15 can be withdrawn by sending the suction head to the suction head 15 seat and pulling the gun.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a annotate liquid calandria which characterized in that: including flat casing and drive head, flat casing vacuole formation, form the head passageway between cavity and the drive head set up the drive seat along length direction in the upper portion of cavity, the top of drive seat is the fore-set, stretches into the head passageway, set up thrust spring between the top of fore-set and the flat casing, the both ends sliding fit of drive seat is on the guide pillar at cavity both ends, set up a row of rifle head seat in the lower part of cavity, the rifle head is fixed in the rifle head seat, and the lower extreme of rifle head stretches out from flat casing below, set up the piston in the rifle head, the piston rod of piston sets up in the drive seat.

2. The priming lance of claim 1, wherein: the lower end of the gun heads forms a plurality of annular protrusions for sleeving the suction heads, and the number of the gun heads is 8 and the gun heads are arranged side by side.

3. The priming lance of claim 1, wherein: spring seats are arranged on two sides of the top column of the driving seat, and the thrust springs are arranged between the spring seats and the flat shell through supporting rods.

4. The filling gun according to claim 1, wherein: the top of the gun head is provided with a retaining ring, a spring is arranged between the piston and the retaining ring, the head of the piston rod is positioned in the driving seat, and the spring is arranged between the head of the piston rod and a pressing sleeve in the driving seat.

5. The priming lance of claim 1, wherein: and positioning holes are formed in the flat shell on two sides of the driving head.

6. The filling discharge gun according to any one of claims 1 to 5, wherein: the driving head is internally provided with a groove, and two sides of the outside of the driving head are provided with clamping columns.

7. The priming lance of claim 6, wherein: the driving head is clamped through the gun changing head, a clamping block is installed in an inner hole of the gun changing head through a clamping spring, and the clamping block is matched with the groove of the driving head, so that the gun changing head can clamp the driving head.

8. The priming lance of claim 7, wherein: and a push rod motor is arranged on the gun changing head, a telescopic rod of the push rod motor is matched with a top column above the driving seat, and the top column is driven to enable the driving seat to drive the piston rod to lift, so that the gun head can realize liquid suction and injection.

9. The priming lance of claim 6, wherein: the clamping column of the driving head is used for placing the discharging gun back to the gun changing seat, the gun changing seat comprises an accommodating space formed by two side plates, a bending groove is formed in each side plate, the groove width of the bending groove is matched with the clamping column, and the clamping column is matched in the bending groove, so that the discharging gun is placed in the accommodating space.

10. The priming lance of claim 7, wherein: the front end of the gun changing head is provided with a positioning block, and the positioning block is matched with a positioning hole of the driving head.