阅读说明：本技术 一种样本液检测设备 (Sample liquid detection equipment ) 是由 曲建 李亚钊 郝孟辉 霍静 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种样本液检测设备,包括样本盒,样本盒的上表面均布有多个开有用于供样本瓶插入的放置开口；三维滑移机构,设置在样本盒的上方,三维滑移机构的活动端位于样本瓶上方空间移动；抓取爪,配装在所述的活动端处,抓取爪的夹口朝向所述的放置开口；以及滴定旋臂,位于抓取爪与样本盒之间,滴定旋臂的自由端处设置有末端朝向所述放置开口的滴定管；其中,所述的抓取爪上穿入有点定管,点定管的末端位于所述的夹口中,所述的抓取爪横置有摄像头和检测传感器,摄像头的拍照端朝向所述放置开口。通过所设计的悬臂结构、回转加液机构,实现了整体的高度集成化,加液集成化,高度自动化提高了整体产品的精度和处理能力,提高了工作效率。(The invention discloses sample liquid detection equipment, which comprises a sample box, wherein a plurality of placing openings for inserting sample bottles are uniformly distributed on the upper surface of the sample box; the three-dimensional sliding mechanism is arranged above the sample box, and the movable end of the three-dimensional sliding mechanism is positioned above the sample bottle and moves in a space; the grabbing claw is assembled at the movable end, and a clamping opening of the grabbing claw faces the placing opening; the titration spiral arm is positioned between the grabbing claw and the sample box, and a burette with the tail end facing the placing opening is arranged at the free end of the titration spiral arm; the grabbing claw is penetrated with a point fixing pipe, the tail end of the point fixing pipe is positioned in the clamping opening, the grabbing claw is transversely provided with a camera and a detection sensor, and the photographing end of the camera faces the placing opening. Through the designed cantilever structure and the rotary liquid adding mechanism, the integrated high-degree integration is realized, the liquid adding is integrated, the precision and the processing capacity of the whole product are improved in high automation, and the working efficiency is improved.)

1. A kind of sample liquid checkout gear, characterized by: comprises that

The sample box is provided with a plurality of placing openings for inserting sample bottles on the upper surface;

the three-dimensional sliding mechanism is arranged above the sample box, and the movable end of the three-dimensional sliding mechanism is positioned above the sample bottle and moves in a space;

the grabbing claw is assembled at the movable end, and a clamping opening of the grabbing claw faces the placing opening; and

the titration spiral arm is positioned between the grabbing claw and the sample box, and a burette with the tail end facing the placing opening is arranged at the free end of the titration spiral arm;

the grabbing claw is penetrated with a point fixing pipe, the tail end of the point fixing pipe is positioned in the clamping opening, the grabbing claw is transversely provided with a camera and a detection sensor, and the photographing end of the camera faces the placing opening.

2. The apparatus for detecting a sample liquid according to claim 1, wherein: also comprises a digestion mechanism which comprises a reaction tank,

a reference plate;

the assembling blocks are arranged on the reference plate at equal intervals along a straight line, and through openings matched with the cold static pipes are formed in the assembling blocks;

the heating body is positioned below the assembling block and is provided with a plurality of heating notches which are uniformly distributed along a straight line at equal intervals and used for placing the sample bottles, and the plurality of heating notches are opposite to the plurality of through openings one by one;

the two-dimensional moving platform is arranged below the heating body and positioned on one side of the sample box, and the moving part is fixedly connected with the heating body to move synchronously;

the freedom degree direction of the two-dimensional moving platform is the lifting direction and the direction close to the sample box.

3. The apparatus for detecting a sample liquid according to claim 2, wherein: the digestion mechanisms are two and are respectively positioned at two sides of the sample box.

4. The apparatus for detecting a sample liquid according to claim 2, wherein: still including dispelling the sharp unit setting that slides and being in benchmark board back and the direction of sliding unanimous with benchmark board extending direction, dispelling the straight line unit that slides and being furnished with on the seat of sliding and stretch out to the bending frame that runs through the opening top, having penetrated along the bending frame and having sent the liquid hose, send the terminal of liquid hose to run through the opening.

5. The apparatus for detecting a sample liquid according to claim 3, wherein: the three-dimensional sliding mechanism comprises an x-direction sliding unit,

the x-direction sliding unit comprises a sliding mechanism,

the back plate is positioned between the digestion mechanisms and is positioned at the other outer side of the sample box;

the x-direction screw rod is erected on one side of the back plate and is parallel to the back plate;

the x-direction sliding seat is assembled on the x-direction lead screw and is in sliding fit with the back plate;

and the X-direction motor drives the X-direction lead screw to rotate.

6. The apparatus for detecting a sample liquid according to claim 5, wherein: the three-dimensional sliding mechanism also comprises a y-direction sliding unit,

the y-direction sliding unit comprises

The end part of the support arm is fixed on the x-direction sliding seat, and the extending direction of the support arm is vertical to the extending direction of the x-direction lead screw;

a y-direction screw rod which is erected below the support arm and is parallel to the support arm;

the y-direction sliding block is assembled on the y-direction screw rod and is in sliding fit with the support arm;

and the y-direction motor is arranged at one end of the support arm and drives the y-direction screw rod to rotate.

7. The apparatus for detecting a sample liquid according to claim 6, wherein: the three-dimensional sliding mechanism also comprises a z-direction sliding unit,

the z-direction sliding unit comprises a sliding plate,

the suspension arm is fixedly connected with the y-direction sliding block and is vertical to the extending direction of the y-direction lead screw;

the z-direction screw rod is erected on one side of the suspension arm and is parallel to the suspension arm;

the z-direction sliding block is assembled on the z-direction screw rod;

one side of the forming suspension arm is parallel to the z-direction lead screw and passes through the z-direction sliding block to limit the rotation freedom of the z-direction sliding block and keep the lifting freedom;

and the z-direction motor is arranged at the other end of the suspension arm and drives the z-direction screw rod to rotate.

8. The apparatus for detecting a sample liquid according to claim 7, wherein: the grabbing claw is fixedly connected with the z-direction sliding block and is a pneumatic clamping claw.

9. The apparatus for detecting a sample liquid according to claim 2, wherein: the two-dimensional moving platform comprises a heating z-direction moving platform and a heating y-direction moving platform

Heating a z-direction moving platform comprising

A heating base arm provided along a height direction;

the lifting screw rod is erected on one side of the heating base arm and is parallel to the heating base arm;

the lifting slide block is assembled on the lifting screw rod;

the L-shaped plate seat is fixedly connected with the lifting slide block and horizontally extends out along the direction vertical to the lifting screw rod;

the y-direction moving platform comprises a moving platform,

the electric cylinder is fixed below the L-shaped plate seat, and the telescopic end faces to the linear direction close to the sample box;

the heating body is in sliding fit with the L-shaped plate seat, the electric cylinder is connected with the bottom surface of the heating body, and the electric cylinder pushes the heating body to slide along the linear direction close to the sample box.

10. The apparatus for detecting a sample liquid according to claim 1, wherein: also comprises a titration mechanism, the titration mechanism comprises,

titration steering engines;

the titration cantilever is positioned above the sample box and fixedly connected with the rotating end of the titration steering engine, and horizontally extends out;

the number of the burette is a plurality of, the burette all extend along the titration cantilever and the end place the opening.

Technical Field

The invention belongs to the field of liquid detection equipment, and particularly relates to sample liquid detection equipment.

Background

At present, with the enhancement of the environmental awareness in the society, further requirements are provided for water quality detection in the industry at present, cod detection is generally adopted at present to express the quality of water, the cod detection industry field in the existing industry is still in the stage of manual detection or semi-automatic detection, and higher requirements are provided for the existing detection standard and efficiency requirements, so that the problem that how to realize the automation of water quality detection is required to be solved is solved.

Disclosure of Invention

The sample liquid detection equipment is used for solving the problem of low detection efficiency in the prior art.

The technical scheme is that the method comprises the following steps of,

a sample liquid detection apparatus comprises

The sample box is provided with a plurality of placing openings for inserting sample bottles on the upper surface;

the three-dimensional sliding mechanism is arranged above the sample box, and the movable end of the three-dimensional sliding mechanism is positioned above the sample bottle and moves in a space;

the grabbing claw is assembled at the movable end, and a clamping opening of the grabbing claw faces the placing opening; and

the titration spiral arm is positioned between the grabbing claw and the sample box, and a burette with the tail end facing the placing opening is arranged at the free end of the titration spiral arm;

the grabbing claw is penetrated with a point fixing pipe, the tail end of the point fixing pipe is positioned in the clamping opening, the grabbing claw is transversely provided with a camera and a detection sensor, and the photographing end of the camera faces the placing opening.

Further comprises a digestion mechanism, the digestion mechanism comprises,

a reference plate;

the assembling blocks are arranged on the reference plate at equal intervals along a straight line, and through openings matched with the cold static pipes are formed in the assembling blocks;

the heating body is positioned below the assembling block and is provided with a plurality of heating notches which are uniformly distributed along a straight line at equal intervals and used for placing the sample bottles, and the plurality of heating notches are opposite to the plurality of through openings one by one;

the two-dimensional moving platform is arranged below the heating body and positioned on one side of the sample box, and the moving part is fixedly connected with the heating body to move synchronously;

the freedom degree direction of the two-dimensional moving platform is the lifting direction and the direction close to the sample box.

Furthermore, the digestion mechanisms are two and are respectively positioned at two sides of the sample box.

Further, still including clearing up sharp unit setting of sliding and be in benchmark board back and the direction of sliding unanimous with benchmark board extending direction, clear up sharp unit of sliding and be furnished with the bending frame that stretches out to run through the opening top on the seat of sliding, it has the liquid delivery hose to penetrate along the bending frame, the terminal directive of liquid delivery hose run through the opening.

Further, the three-dimensional sliding mechanism comprises an x-direction sliding unit,

the x-direction sliding unit comprises a sliding mechanism,

the back plate is positioned between the digestion mechanisms and is positioned at the other outer side of the sample box;

the x-direction screw rod is erected on one side of the back plate and is parallel to the back plate;

the x-direction sliding seat is assembled on the x-direction lead screw and is in sliding fit with the back plate;

and the X-direction motor drives the X-direction lead screw to rotate.

Furthermore, the three-dimensional sliding mechanism also comprises a y-direction sliding unit,

the y-direction sliding unit comprises

The end part of the support arm is fixed on the x-direction sliding seat, and the extending direction of the support arm is vertical to the extending direction of the x-direction lead screw;

a y-direction screw rod which is erected below the support arm and is parallel to the support arm;

the y-direction sliding block is assembled on the y-direction screw rod and is in sliding fit with the support arm;

and the y-direction motor is arranged at one end of the support arm and drives the y-direction screw rod to rotate.

Further, the three-dimensional sliding mechanism also comprises a z-direction sliding unit,

the z-direction sliding unit comprises a sliding plate,

the suspension arm is fixedly connected with the y-direction sliding block and is vertical to the extending direction of the y-direction lead screw;

the z-direction screw rod is erected on one side of the suspension arm and is parallel to the suspension arm;

a z-direction slider arranged on the z-direction lead screw

One side of the forming suspension arm is parallel to the z-direction lead screw and passes through the z-direction sliding block to limit the rotation freedom of the z-direction sliding block and keep the lifting freedom;

and the other z-direction motor is arranged on the suspension arm and drives the z-direction lead screw to rotate.

Furthermore, the clamping jaw is fixedly connected with the z-direction sliding block and is a pneumatic clamping jaw.

Furthermore, the two-dimensional moving platform comprises a heating z-direction moving platform and a heating y-direction moving platform

Heating a z-direction moving platform comprising

A heating base arm provided along a height direction;

the lifting screw rod is erected on one side of the heating base arm and is parallel to the heating base arm;

the lifting slide block is assembled on the lifting screw rod;

the L-shaped plate seat is fixedly connected with the lifting slide block and horizontally extends out along the direction vertical to the lifting screw rod;

the y-direction moving platform comprises a moving platform,

the electric cylinder is fixed below the L-shaped plate seat, and the telescopic end faces to the linear direction close to the sample box;

the heating body is in sliding fit with the L-shaped plate seat, the electric cylinder is connected with the bottom surface of the heating body, and the electric cylinder pushes the heating body to slide along the linear direction close to the sample box.

Further comprises a titration mechanism, the titration mechanism comprises,

titration steering engines;

the titration cantilever is positioned above the sample box and fixedly connected with the rotating end of the titration steering engine, and horizontally extends out;

the number of the burette is a plurality of, the burette all extend along the titration cantilever and the end place the opening.

Through the above scheme realize

Through the cooperation operation of the multi-dimensional sliding control and the mechanical arm clamp, the sample, digestion, backflow, titration and detection are realized, the automation of the whole process is realized, the detection efficiency is greatly improved, and the automation degree is improved.

Through adopting graphite to clear up unit collocation two-dimensional platform, through providing neotype backward flow butt joint unit of clearing up, effectively prevent because the inaccurate liquid feeding inefficacy problem of clearing up that leads to of butt joint.

Through the designed cantilever structure and the rotary liquid adding mechanism, the integrated high-degree integration is realized, the liquid adding is integrated, the precision and the processing capacity of the whole product are improved in high automation, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 an overall structure view of the present invention

FIG. 2 is a combined structure diagram of a three-dimensional sliding mechanism and a sample box;

FIG. 3 is an enlarged view of FIG. 2 at H

FIG. 4 is an enlarged view of the section F in FIG. 2

FIG. 5 is a rear view of the three-dimensional slide mechanism and sample cartridge;

FIG. 6 is an axial view of the three-dimensional slide mechanism and the sample cartridge;

FIG. 7 is an enlarged view at E of FIG. 6;

FIG. 8 is a rear view of the three-dimensional slide mechanism and sample cartridge;

FIG. 9 is an axial view structural view of the digestion mechanism;

FIG. 10 is a rear view structural view of the digestion mechanism;

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, there is provided a sample liquid testing apparatus, comprising a sample box 9 and a rack, wherein a supporting skin plate covers the rack;

the sample box 9 is arranged in the rack, a plurality of placing openings for inserting sample bottles are uniformly distributed on the upper surface of the sample box 9, the sample boxes 9 are arranged in three rows, the three rows of the sample boxes 9 are all cooled by a fan, ventilation is introduced into the sample boxes 9, the placing openings in the center of the inner side are not ventilated, the placing openings are used as openings for detecting absorbance, and the placing openings are used as openings for detecting absorbance.

The three-dimensional sliding mechanism 1 is arranged in the rack, is connected with the supporting skin plate to support and fix and is arranged above the sample box 9, the movable end of the three-dimensional sliding mechanism 1 is positioned above the sample bottle to move, and the three-dimensional sliding mechanism 1 can move along the X direction, the Y direction and the Z direction;

the grabbing claw 6 is assembled at the movable end, the clamping opening of the grabbing claw 6 faces the placing opening, and the grabbing claw 6 is a pneumatic clamping jaw; the titration spiral arm is positioned between the grabbing claw 6 and the sample box 9, and a burette with the tail end facing the placing opening is arranged at the free end of the titration spiral arm; a point fixed pipe penetrates into the grabbing claw 6, the tail end of the point fixed pipe is located in the clamping opening, a camera and a detection sensor are transversely arranged on the grabbing claw 6, and the photographing end of the camera faces towards the placing opening.

As shown in fig. 9 and 10, the sample analyzer further comprises two digestion mechanisms 9, the digestion mechanisms 9 are respectively arranged at two sides of the sample box 9, both are integrally arranged in the rack, and the sample analyzer comprises,

a reference plate 15a fixed on the inner side wall of the frame;

the assembling blocks 13 are arranged on the reference plate 15a at equal intervals along a straight line, through openings used for being matched with the cooling pipes are formed in the assembling blocks 13, and the cooling pipes are assembled in the through openings and communicated with the return pipe;

the heating body 11 is positioned below the assembling block 13 and is provided with a plurality of heating notches which are uniformly distributed along a straight line at equal intervals and used for placing sample bottles, and the plurality of heating notches are opposite to the plurality of through openings one by one; the two-dimensional moving platform is arranged below the heating body 11 and positioned at one side of the sample box 9, and the moving part is fixedly connected with the heating body 11 to move synchronously; the two-dimensional moving platform has the freedom directions of the lifting direction and the direction close to the sample box 9.

As shown in fig. 10, the device further comprises a counteracting linear sliding unit 15 arranged on the back of the reference plate 15a, the sliding direction of the counteracting linear sliding unit 15 is consistent with the extending direction of the reference plate 15a, a bending frame 14 extending to the upper side of the through opening is assembled on the counteracting linear sliding unit 15 sliding seat, a liquid conveying hose penetrates through the bending frame 14, the tail end of the liquid conveying hose points to the through opening to add liquid to the cooling pipe, and the moving direction of the bending frame 14 is the Y direction.

The linear sliding counteracting unit 15 comprises

A digestion screw 15b that is mounted on the reference plate 15a and is parallel to the reference plate 15 a;

the digestion slide block 15e is assembled on the digestion screw rod 15b and is in sliding fit with a slide rail linearly arranged on the reference plate 15 a; the digestion motor 15c is arranged at one end of the reference plate 15a and drives a connecting wheel assembled at the corresponding end of the digestion screw rod 15b through a belt to drive the digestion screw rod 15b to rotate and drive the digestion slide block 15e to move, wherein the bending frame 14 is fixed on the digestion slide block 15 e.

As shown in fig. 2 to 8, the three-dimensional sliding mechanism 1 includes an x-direction sliding unit 2, the x-direction sliding unit 2 includes,

the back plate 2a is fixed on the inner wall of the rack, is positioned between the digestion mechanisms 9 and is positioned at the other outer sides of the sample box 9, and the other side of the sample box 9 is a reserved space for a hand to extend into; an x-direction screw 2b which is erected on one side of the back plate 2a and is parallel to the back plate 2 a; the x-direction sliding seat 2e is assembled on the x-direction lead screw 2b and is in sliding fit with a sliding rail arranged on the back plate 2a in a sliding straight line; and the X-direction motor drives a connecting wheel assembled at the corresponding end of the X-direction lead screw 2b through a belt to drive the X-direction lead screw 2b to rotate.

As shown in fig. 2-8, the three-dimensional sliding mechanism 1 further comprises a y-direction sliding unit, and the y-direction sliding unit 3 comprises

The end part of the support arm 3a is fixed on the x-direction sliding seat 2e, and the extending direction is vertical to the extending direction of the x-direction lead screw 2 b; a y-direction screw 3b which is erected below the arm 3a and is parallel to the arm 3 a;

the y-direction sliding block 3e is assembled on the y-direction screw rod 3b and is in sliding fit with a sliding rail which is linearly arranged on the support arm 3 a; and the y-direction motor 3c is arranged at one end of the support arm 3a and drives a connecting wheel assembled at the corresponding end of the y-direction lead screw 3b through a belt to drive the y-direction lead screw 3b to rotate.

As shown in fig. 2 to 8, the three-dimensional sliding mechanism 1 further includes a z-direction sliding unit, the z-direction sliding unit 4 includes,

the suspension arm 4a is fixedly connected with the y-direction slide block 3e, is vertical to the extending direction of the y-direction lead screw 3b and hangs down along the Z direction; a z-direction screw rod 4b erected on one side of the suspension arm 4a and parallel to the suspension arm 4 a; the z-direction sliding block is assembled on the z-direction lead screw 4 b; one side of the forming suspension arm 4a is parallel to the z-direction lead screw 4b, and passes through the z-direction slider to limit the rotation freedom of the z-direction slider and keep the lifting freedom;

and a z-direction motor 4c arranged at the other end of the suspension arm 4a and driving the z-direction lead screw 4b to rotate. The grabbing claw 6 is fixedly connected with the z-direction sliding block, and the clamping claw is a pneumatic clamping claw.

As shown in fig. 9 and 10, the two-dimensional moving platform 12 includes a heating z-direction moving platform and a heating y-direction moving platform; heating a z-direction moving platform comprising

A heating base arm 12a arranged along the height direction and fixed on the bottom surface of the frame; a lifting screw rod, which is erected on one side of the heating base arm 12a and is parallel to the heating base arm 12 a;

a lifting slider 12e fitted on the lifting screw 12b and slidably fitted with a linear guide provided on the heating base arm 12 a; the L-shaped plate seat is fixedly connected with the lifting slide block 12e and horizontally extends out along the direction vertical to the lifting screw rod 12 b; the y-direction moving platform comprises an electric cylinder 12f which is fixed below the L-shaped plate seat, and the telescopic end of the electric cylinder faces to the linear direction close to the sample box 9;

the heating body 11 is in sliding fit with the L-shaped plate seat, the electric cylinder is connected with the bottom surface of the heating body 11, and the electric cylinder pushes the heating body 11 to slide along the linear direction close to the sample box 9.

As shown in fig. 3, the titration device further comprises a titration mechanism 5, wherein the titration mechanism comprises a titration steering engine 5 a;

the titration cantilever 5b is positioned above the sample box 9, fixedly connected with the rotating end of the titration steering engine and horizontally extended out; the number of the burette is a plurality of, the burette all extend along the titration cantilever and the end place the opening.

In the using process, the sample bottle with the sample is placed in the sample box 9 and monitored, the three-dimensional sliding mechanism 1 starts to move to the position of the preset sample bottle according to the preset coordinate, wherein an x-direction sliding unit of the three-dimensional sliding mechanism 1 drives an x-direction lead screw 2b to drive an x-direction sliding seat 2e and a y-direction sliding unit to slide along the x direction through a motor, a y-direction sliding unit drives a y-direction lead screw 3b through a y-direction motor 3c to drive a y-direction sliding block 3e to drive a z-direction sliding unit to slide along the y direction, a z-direction sliding unit drives a z-direction lead screw 4b through a z-direction motor 4c to drive a z-direction sliding block to drive a grabbing claw 6 to lift, the sample bottle is grabbed through the grabbing claw 6 to reach a heating body 11 of the digestion unit_{Is passing through}The heating notch is put into, two-dimensional moving platform can drive heating body 11 to remove along y to and z to, heating body 11 aim at the through opening of assembly piece 13 in order to aim at the cooling tube, two-dimensional moving platform aligns the sample bottle along z to the removal with the cooling tube bottom butt joint and begin to heat afterwards, the backward flow that the liquid that heats exists can flow through the back flow on the cooling tube to through dispelling sharp back flow on the straight line can be through clearing upSlip unit 15 drives bending frame 14 and adds the liquid medicine along y to removing in order to aim at every cooling tube, clears up the contact back three-dimensional glide machanism 1 drive snatch claw 6 with the sample bottle clamp extremely be used for detecting the opening of absorbance in, titration mechanism at this moment titrate the cantilever gyration through titrating the steering wheel drive, the gyration extremely be used for detecting the opening top of absorbance align behind the sample bottle buret confession liquid and drip preset liquid to the start is located the electromagnetism mixing unit that is used for detecting the opening below of absorbance and sets up with the mixing sample, later snatch claw 6 in absorbance detection sensor and camera detect solution.

The original materials can be added through a point positioning pipe arranged on the grabbing claw 6 in a penetrating mode or added through a burette, and the sequence of the detection procedures can be adjusted according to requirements.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

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