CN218157955U - Automatic sample introduction device of detection equipment - Google Patents

Abstract

The utility model belongs to the technical field of the waste water detects, especially, check out test set's autoinjection device, including sample introduction platform and three-layer sample dish, the support column is installed through the bearing to sample introduction platform's upper surface one side, the surface of support column is provided with the backup pad, the inner wall of support column is provided with elevating system. This check out test set's autoinjection device, through setting up elevating system, be convenient for drive the burette in the backup pad and stretch into in the test tube, thereby make the burette draw out the liquid in the test tube under extrusion mechanism's drive, start third servo motor, the rotation of third servo motor output shaft drives the screw rod through the shaft coupling and rotates, the rotation of screw rod drives the thread bush and removes at the surface of screw rod along the inner wall of recess, the removal of thread bush drives the limiting plate and removes along the inner wall of spacing groove, the removal of limiting plate drives the backup pad and removes along the surface of support column, thereby drive the burette and remove, reach the effect of being convenient for draw the liquid in the test tube.

Description

Automatic sample introduction device of detection equipment

Technical Field

The utility model relates to a waste water detection technology field especially relates to an automatic sampling device of check out test set.

Background

The water quality detection of liquid such as waste water needs to collect and classify the waste water, then a test tube filled with liquid to be detected is placed in a hole of a sample tray, and then the liquid in the test tube is sucked up and dripped onto a detection platform through a dropper in sequence for detection.

But the sampling device of current waste water check out test set still relies on the manual work to use the burette to draw the liquid in with the test tube and detects mostly, and contains certain hazardous material in the waste water, the waste water that has hazardous material causes the influence to measurement personnel's healthy very easily, and place mouthful size on the sample dish generally all fixed, can only place the test tube of same type size, consequently comparatively loaded down with trivial details on using, and the liquid in the test tube of easy repeated extraction, thereby influence the testing result.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned technical problem at present, the utility model provides a check out test set's autoinjection device.

The utility model provides an automatic sampling device of detection equipment, including sample introduction platform and three-layer sample dish, support column is installed through the bearing in upper surface one side of sample introduction platform, the surface of support column is provided with the backup pad, the inner wall of support column is provided with elevating system, elevating system includes the screw rod, the screw rod is located the inner wall of support column and through rotating the screw rod drives the backup pad reciprocates along the surface of support column;

the improved dropper is characterized in that a dropper is installed on the inner wall of the supporting plate, one end of the dropper extends to the outer surface of the supporting plate, an extrusion mechanism is arranged on the inner wall of the supporting plate and comprises two pressing plates, the two pressing plates are located on the inner wall of the supporting plate and distributed on two sides of the dropper, and the two pressing plates are driven to move relatively so as to extrude or loosen the dropper.

Preferably, the upper surface of the three-layer sample plate is uniformly provided with placing openings with different pore sizes, the upper surface of the sample feeding table is fixedly provided with a positioning plate, the lower surface of the three-layer sample plate is arranged on the inner bottom wall of the positioning plate through a bearing, the inner wall of the sample feeding table is fixedly provided with a first servo motor, and one end of an output shaft of the first servo motor is fixedly sleeved with the axis of the lower surface of the three-layer sample plate through a coupler;

through above-mentioned technical scheme, the mouth of placing in different apertures is convenient for let different types of test tubes place on the three-layer sample dish, and the rotation of first servo motor output shaft drives the rotation of three-layer sample dish to the drive is placed and can be removed suitable position along with the rotation of three-layer sample dish placing intraoral test tube, and the positioning disk is fixed a position the installation of three-layer sample dish.

Preferably, a second servo motor is fixedly mounted on the inner wall of the sample injection table, and one end of an output shaft of the second servo motor is fixedly sleeved and connected with the lower end of the support column through a coupler;

through above-mentioned technical scheme, the rotation of second servo motor output shaft passes through the shaft coupling and drives the support column rotation, and the rotation of support column drives the backup pad and rotates, aligns to the test tube top that awaits measuring on burette and the three-layer sample dish in the backup pad.

Preferably, the lifting mechanism further comprises a groove, the groove is formed in the inner wall of the support column, two ends of the screw rod are respectively mounted on the inner wall of the groove through bearings, a threaded sleeve is connected to the outer surface of the screw rod in a threaded manner, the outer surface of the threaded sleeve is in sliding clamping connection with the inner wall of the groove, a third servo motor is fixedly mounted on the upper surface of the support column, and one end of an output shaft of the third servo motor extends into the groove and is fixedly connected with the upper end of the screw rod through a coupler;

through above-mentioned technical scheme, the rotation of third servo motor output shaft drives the screw rod through the shaft coupling and rotates, and the rotation of screw rod drives the thread bush and removes at the surface of screw rod along the inner wall of recess.

Preferably, both sides of the outer surface of the threaded sleeve are respectively and fixedly connected with a limiting plate, both sides of the outer surface of the support column are respectively provided with a limiting groove, the inner walls of the two limiting grooves are respectively communicated with the inner walls of the grooves, the outer surface of the limiting plate is in sliding clamping connection with the inner walls of the limiting grooves, and the limiting plate extends to the upper surface of the limiting groove and is fixedly connected with the lower surface of the support plate;

through above-mentioned technical scheme, the removal of thread bush drives the limiting plate and removes along the inner wall of spacing groove, and the removal of limiting plate drives the backup pad and removes along the surface of support column to drive the burette and reciprocate, be convenient for let the burette stretch into in the test tube.

Preferably, the extrusion mechanism further comprises a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the inner wall of the support plate, a fixed shell is fixedly mounted on the inner wall of the support plate, a conical movable block is connected to the inner wall of the fixed shell in a sliding manner, and one end of a piston rod of the hydraulic cylinder penetrates through the fixed shell and is fixedly connected with one side of the conical movable block;

through the technical scheme, the conical movable block is driven by the telescopic piston rod of the hydraulic cylinder to move back and forth in the fixed shell.

Preferably, the inner wall of the fixed shell is symmetrically provided with two sliding grooves, the inner walls of the two sliding grooves are respectively connected with a moving block in a sliding and clamping manner, two sides of the conical moving block are respectively connected with one side of the two moving blocks in a sliding and clamping manner, and one end of the pressing plate is fixedly connected with one side of the moving block;

through the technical scheme, the two moving blocks are driven by the movement of the conical moving block to respectively move relatively along the inner wall of the sliding groove, and the two pressing plates are driven by the relative movement of the two moving blocks to move relatively, so that the dropper can be squeezed or loosened conveniently.

The utility model provides a beneficial effect does:

1. through setting up elevating system, be convenient for drive the burette in the backup pad and stretch into in the test tube, thereby make the burette draw out the liquid in the test tube under extrusion mechanism's drive, start third servo motor, the rotation of third servo motor output shaft drives the screw rod through the shaft coupling and rotates, the rotation of screw rod drives the thread bush and removes at the surface of screw rod along the inner wall of recess, the removal of thread bush drives the inner wall removal of limiting plate along the spacing groove, the removal of limiting plate drives the backup pad and removes along the surface of support column, thereby drive the burette and remove, reach the effect of being convenient for draw the liquid in the test tube.

2. Through setting up extrusion mechanism, extrude, loosen, extrude the burette for the burette inhales the burette with the liquid in the burette under elevating system's drive in the burette, the flexible toper movable block that drives of pneumatic cylinder piston rod removes in fixed casing, the removal of toper movable block drives two movable blocks respectively along the inner wall relative movement of spout, the relative movement of two movable blocks drives two clamp plates relative movement, thereby extrude or loosen the burette, reach automatic sampling's effect.

Drawings

Fig. 1 is a schematic view of an automatic sample feeding device of a detection apparatus provided by the present invention;

FIG. 2 is a three-layer sample tray structure of an automatic sample feeding device of a detection apparatus according to the present invention;

fig. 3 is a perspective view of a first servo motor structure of an automatic sampling device of the detection apparatus provided by the present invention;

fig. 4 is a perspective view of a second servo motor structure of an automatic sample feeding device of the detection apparatus provided by the present invention;

fig. 5 is a perspective view of a screw structure of an automatic sample feeding device of the detection apparatus provided by the present invention;

fig. 6 is a perspective view of a hydraulic cylinder structure of an automatic sampling device of the detection apparatus provided by the present invention;

fig. 7 is a perspective view of a pressing plate structure of an automatic sample feeding device of the detection apparatus provided by the present invention;

fig. 8 is a perspective view of a chute structure of an automatic sample feeding device of the detection apparatus provided by the present invention;

fig. 9 is a perspective view of a cone-shaped movable block structure of an automatic sample feeding device of a detection apparatus provided by the utility model.

In the figure: 1. a sample introduction table; 2. a three-layer sample tray; 3. a support column; 4. a support plate; 5. a screw; 501. a groove; 502. a threaded sleeve; 503. a third servo motor; 504. a limiting plate; 505. a limiting groove; 6. a dropper; 7. pressing a plate; 701. a hydraulic cylinder; 702. a fixed housing; 703. a conical movable block; 704. a chute; 705. a moving block; 8. a placement port; 9. positioning a plate; 10. a first servo motor; 11. a second servo motor.

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.

Referring to fig. 1-9, an autoinjection device of check out test set, including sample platform 1 and three-layer sample dish 2, support column 3 is installed through the bearing to sample platform 1's upper surface one side, support column 3's surface is provided with backup pad 4, support column 3's inner wall is provided with elevating system, elevating system includes screw rod 5, screw rod 5 is located support column 3's inner wall and drives backup pad 4 through rotating screw rod 5 and reciprocate along support column 3's surface, burette 6 is installed to backup pad 4's inner wall, burette 6's one end extends to backup pad 4's surface.

In order to place the not test tube of equidimension on three-layer sample dish 2 for the convenience, evenly set up the not different aperture sizes of upper surface at three-layer sample dish 2 and place mouth 8, fix a position in order to the installation to three-layer sample dish, at the last fixed surface installation positioning disk 9 of appearance platform 1, in order to facilitate the rotation of drive three-layer sample dish 2, at the first servo motor 10 of the inner wall fixed mounting of appearance platform 1, the output shaft one end of first servo motor 10 is through the fixed cup joint of lower surface axle center department of shaft coupling with three-layer sample dish 2, the inner diapire at positioning disk 9 is passed through the bearing to the lower surface of three-layer sample dish 2.

In order to facilitate the rotation of the driving support column 3, a second servo motor 11 is fixedly installed on the inner wall of the sample injection platform 1, and one end of an output shaft of the second servo motor 11 is fixedly sleeved with the lower end of the support column 3 through a coupler.

In order to facilitate the dropper 6 on the support plate 4 to extend into the test tube, the lifting mechanism further comprises a groove 501, the groove 501 is formed in the inner wall of the support column 3, two ends of the screw rod 5 are respectively mounted on the inner wall of the groove 501 through bearings, the outer surface of the screw rod 5 is in threaded connection with a threaded sleeve 502, the outer surface of the threaded sleeve 502 is in sliding clamping connection with the inner wall of the groove 501, a third servo motor 503 is fixedly mounted on the upper surface of the support column 3, one end of an output shaft of the third servo motor 503 extends into the groove 501 and is fixedly connected with the upper end of the screw rod 5 through a coupler, two sides of the outer surface of the threaded sleeve 502 are respectively and fixedly connected with a limiting plate 504, two sides of the outer surface of the support column 3 are respectively provided with a limiting groove 505, the inner walls of the two limiting grooves 505 are respectively communicated with the inner wall of the groove 501, the outer surface of the limiting plate 504 is in sliding clamping connection with the inner wall of the limiting groove 505, and the upper surface of the limiting plate 504 extends to the limiting groove 505 and is fixedly connected with the lower surface of the support plate 4.

Through setting up elevating system, be convenient for drive burette 6 on the backup pad 4 and stretch into in the test tube, thereby make burette 6 draw out the liquid in the test tube under extrusion mechanism's drive, start third servo motor 503, the rotation of third servo motor 503 output shaft drives screw rod 5 through the shaft coupling and rotates, screw rod 5's rotation drives thread bush 502 and removes at screw rod 5's surface along recess 501's inner wall, thread bush 502's removal drives limiting plate 504 and removes along the inner wall of spacing groove 505, the removal of limiting plate 504 drives backup pad 4 and removes along support column 3's surface, thereby drive burette 6 and remove, reach the effect of being convenient for draw the liquid in the test tube.

The inner wall of backup pad 4 is provided with extrusion mechanism, and extrusion mechanism includes two clamp plates 7, and two clamp plates 7 all are located the inner wall of backup pad 4 and distribute in the both sides of burette 6, thereby carry out relative motion through driving two clamp plates 7 and extrude or loosen burette 6.

In order to facilitate extrusion and loosening of the dropper 6, the extrusion mechanism further comprises a hydraulic cylinder 701, the hydraulic cylinder 701 is fixedly installed on the inner wall of the support plate 4, a fixed shell 702 is fixedly installed on the inner wall of the support plate 4, the inner wall of the fixed shell 702 is in sliding connection with the conical movable block 703, one end of a piston rod of the hydraulic cylinder 701 penetrates through the fixed shell 702 and is fixedly connected with one side of the conical movable block 703, two sliding grooves 704 are symmetrically formed in the inner wall of the fixed shell 702, the inner walls of the two sliding grooves 704 are respectively in sliding clamping connection with the movable block 705, two sides of the conical movable block 703 are respectively in sliding clamping connection with one sides of the two movable blocks 705, and one end of the pressing plate 7 is fixedly connected with one side of the movable block 705.

Through setting up the extrusion mechanism, extrude, loosen, extrude burette 6 for burette 6 inhales the liquid in the burette into burette 6 under elevating system's drive, the flexible toper movable block 703 that drives of pneumatic cylinder 701 piston rod moves in fixed casing 702, the removal of toper movable block 703 drives two movable blocks 705 respectively along the inner wall relative movement of spout 704, the relative movement of two movable blocks 705 drives two clamp plates 7 relative movement, thereby extrude or loosen burette 6, reach automatic sampling's effect.

The working principle is as follows: before use, test tubes filled with liquid to be tested are sequentially placed in the placing openings 8 of the three layers of sample trays 2 according to the sizes of the test tubes;

then, the rotation of an output shaft of a first servo motor 10 drives three-layer sample plates 2 to rotate, test tubes to be detected are driven to rotate to a proper position through the rotation of the three-layer sample plates 2, then a second servo motor 11 is started, the second servo motor 11 controls the rotation of the output shaft according to the positions of the test tubes, the rotation of the output shaft of the second servo motor 11 drives a support column 3 to rotate, the rotation of the support column 3 drives a support plate 4 to rotate, the rotation of the support plate 4 drives a dropper 6 to move, and the dropper 6 moves above the test tubes to be detected;

then, a third servo motor 503 is started, the rotation of an output shaft of the third servo motor 503 drives a screw rod 5 to rotate through a coupler, the rotation of the screw rod 5 drives a threaded sleeve 502 to move on the outer surface of the screw rod 5 along the inner wall of the groove 501, the movement of the threaded sleeve 502 drives a limiting plate 504 to move along the inner wall of a limiting groove 505, and the movement of the limiting plate 504 drives a supporting plate 4 to move along the outer surface of the supporting column 3, so that a dropper 6 is driven to move;

the dropper 6 moves downwards to enter a test tube, the contraction of the piston rod of the hydraulic cylinder 701 drives the conical movable block 703 to move in the fixed shell 702, the two movable blocks 705 are driven to gather together along the inner wall of the sliding groove 704 respectively along with the movement of the conical movable block 703, the relative gathering of the two movable blocks 705 drives the two pressing plates 7 to gather together relatively, so that the two pressing plates 7 extrude the dropper 6, and then one end of the piston rod of the hydraulic cylinder 701 extends out to drive the two pressing plates 7 to loosen the dropper 6;

after enough liquid is absorbed in the dropper 6, the piston rod of the hydraulic cylinder 701 contracts again to drive the two pressing plates 7 to squeeze the dropper 6, then the output shaft of the third servo motor 503 rotates the supporting plate 4 in the reverse direction to move upwards, so that the dropper 6 leaves the test tube, and then the liquid in the dropper 6 is conveyed to the detection table to be detected under the driving of the second servo motor 11.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a check out test set's autoinjection device, includes sample platform (1) and three-layer sample dish (2), its characterized in that: a supporting column (3) is mounted on one side of the upper surface of the sample feeding table (1) through a bearing, a supporting plate (4) is arranged on the outer surface of the supporting column (3), a lifting mechanism is arranged on the inner wall of the supporting column (3), the lifting mechanism comprises a screw rod (5), and the screw rod (5) is located on the inner wall of the supporting column (3) and drives the supporting plate (4) to move up and down along the outer surface of the supporting column (3) by rotating the screw rod (5);

burette (6) are installed to the inner wall of backup pad (4), the one end of burette (6) extends to the surface of backup pad (4), the inner wall of backup pad (4) is provided with extrusion mechanism, extrusion mechanism includes two clamp plates (7), two clamp plate (7) all are located the inner wall of backup pad (4) and distribute in the both sides of burette (6), through driving two thereby clamp plate (7) carry out relative motion right burette (6) extrude or loosen.

2. The autoinjection device of check out test set of claim 1, characterized in that: the upper surface of three-layer sample dish (2) has evenly seted up different aperture sizes place mouth (8), the last fixed surface of advance appearance platform (1) installs positioning disk (9), the lower surface of three-layer sample dish (2) passes through the bearing and installs the interior diapire of positioning disk (9), the inner wall fixed mounting of advance appearance platform (1) has first servo motor (10), the output shaft one end of first servo motor (10) pass through the shaft coupling with the fixed cup joint of lower surface axle center department of three-layer sample dish (2).

3. The automatic sample introduction device of the detection equipment according to claim 1, characterized in that: the inner wall fixed mounting of advance appearance platform (1) has second servo motor (11), the output shaft one end of second servo motor (11) pass through the shaft coupling with the lower extreme of support column (3) is fixed to be cup jointed.

4. The autoinjection device of check out test set of claim 1, characterized in that: elevating system still includes recess (501), set up in recess (501) the inner wall of support column (3), the both ends of screw rod (5) are installed through the bearing respectively the inner wall of recess (501), the surface threaded connection of screw rod (5) has thread bush (502), the surface of thread bush (502) with the inner wall slip joint of recess (501), the last fixed surface of support column (3) installs third servo motor (503), the output shaft one end of third servo motor (503) extends to in recess (501) and through the shaft coupling with the fixed cover in upper end of screw rod (5) connects.

5. The autoinjection device of detection equipment of claim 4, characterized in that: the surface both sides of thread bush (502) are fixedly connected with limiting plate (504) respectively, spacing groove (505), two have been seted up respectively to the surface both sides of support column (3) the inner wall of spacing groove (505) respectively with the inner wall intercommunication of recess (501), the surface of limiting plate (504) with the inner wall slip joint of spacing groove (505), limiting plate (504) extend to the upper surface of spacing groove (505) with the lower fixed surface of backup pad (4) is connected.

6. The autoinjection device of check out test set of claim 1, characterized in that: the extrusion mechanism further comprises a hydraulic cylinder (701), the hydraulic cylinder (701) is fixedly installed on the inner wall of the supporting plate (4), a fixed shell (702) is fixedly installed on the inner wall of the supporting plate (4), a conical movable block (703) is connected to the inner wall of the fixed shell (702) in a sliding mode, and one end of a piston rod of the hydraulic cylinder (701) penetrates through the fixed shell (702) and one side of the conical movable block (703) in a fixed mode.

7. The autoinjection device of detection equipment of claim 6, characterized in that: the inner wall of the fixed shell (702) is symmetrically provided with two sliding grooves (704), the inner walls of the two sliding grooves (704) are respectively connected with moving blocks (705) in a sliding and clamping mode, two sides of each conical moving block (703) are respectively connected with one sides of the two moving blocks (705) in a sliding and clamping mode, and one end of the pressing plate (7) is fixedly connected with one side of each moving block (705).

Images