CN110777068B

CN110777068B - Electric control arbitrary angle liquid adding device

Info

Publication number: CN110777068B
Application number: CN201911152249.3A
Authority: CN
Inventors: 张雨舒
Original assignee: Individual
Current assignee: Shandong Yingtai Agriculture And Animal Husbandry Technology Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-06-02
Anticipated expiration: 2039-11-22
Also published as: CN110777068A

Abstract

The invention discloses an electric control arbitrary angle liquid adding device. The vertical upwards fixedly connected with servo motor A of electric putter A's telescopic link tip, servo motor A's output shaft fixed connection electric putter B, electric putter B's telescopic link tip is the horizontality, and fixed connection quarter bend, quarter bend's top fixedly connected with horizontal plate, the fixed image collection device that is equipped with on the horizontal plate, quarter bend's lower extreme fixed connection servo motor B, servo motor B's the vertical downward servo motor C that is connected with of output shaft, servo motor C's output shaft is the horizontality, and fixed connection electric putter C, the vertical downward fixed connection liquid filler of electric putter C's telescopic link tip. This application can satisfy the requirement that testing personnel carry out arbitrary angle liquid feeding to the culture dish.

Description

Electric control arbitrary angle liquid adding device

Technical Field

The invention relates to the technical field of detection devices, in particular to an electric control arbitrary-angle liquid adding device.

Background

In the process of detecting bacteria in medical treatment and food, when a detector manually injects liquid into a culture dish, a gap is raised on an upper cover of the culture dish by one hand, then the liquid filler is held by the other hand to incline the liquid filler by a certain angle, then sample liquid and culture medium or solutions with different gradients are respectively injected into different culture dishes from the gap, and then the upper covers are quickly closed, so that the probability of infection of the sample liquid in the culture dish is reduced. However, no device capable of replacing human hands to meet the requirement of an inspector to add liquid to a culture dish at any angle exists in the prior art.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides an electric control arbitrary-angle liquid adding device.

An electrically-controlled arbitrary-angle liquid feeding device comprises a culture dish liquid feeding unit, wherein the culture dish liquid feeding unit comprises an electric push rod A, the end part of a telescopic rod of the electric push rod A is vertically upwards fixedly connected with a shaft sleeve A, the upper end of the shaft sleeve A is fixedly connected with a flange plate A, a servo motor A is fixedly arranged on the flange plate A, an output shaft of the servo motor A is vertically upwards fixedly connected with a cutting sleeve A, the cutting sleeve A is fixedly connected with a horizontal electric push rod B, the end part of a telescopic rod of the electric push rod B is fixedly connected with a shaft sleeve B, the shaft sleeve B is welded with a flange plate B, the flange plate B is fixedly connected with a right-angled elbow, the top end of the right-angled elbow is fixedly connected with a horizontal plate, an image acquisition device is fixedly arranged on the horizontal plate, the lower end of the, an output shaft of the servo motor B is vertically and downwards connected with a shaft sleeve C, a vertical plate is fixedly arranged on the lower end face of the shaft sleeve C, a servo motor C with an output shaft in a horizontal shape is fixedly arranged on the vertical plate, a cutting sleeve B is fixedly arranged on the output shaft of the servo motor C, an electric push rod C is fixedly arranged on the cutting sleeve B, and the end part of a telescopic rod of the electric push rod C is vertically and downwards fixedly connected with a liquid filler through a connecting sleeve; the image acquisition device comprises a servo motor A, a servo motor B, a servo motor C, an electric push rod A, an electric push rod B, an electric push rod C and a liquid filler, wherein the servo motor A, the servo motor B, the servo motor C, the electric push rod A, the electric push rod B, the electric push rod C and the liquid filler are all electrically connected with the output end of the PLC, and the image acquisition device is electrically connected. When the upper cover of the culture dish is warped with a gap, the image acquisition device can acquire images of the culture dish with the warped gap of the upper cover and feed the acquired image data back to the PLC, the PLC controls the electric push rod A to work according to the detected image data, the liquid feeding nozzle of the liquid feeder moves in a vertical direction for a large distance, the PLC controls the electric push rod B to work, the liquid feeding nozzle moves in a horizontal direction for a large distance, the PLC controls the servo motor A to work, the liquid feeding nozzle moves in a large arc, the PLC controls the servo motor B to work, the liquid feeding nozzle moves in a small arc to be positioned above the gap, the PLC controls the servo motor C to work to adjust the inclination angle of the liquid feeding nozzle, the PLC controls the electric push rod C to work, the telescopic rod of the electric push rod C extends, and the liquid feeding nozzle is inserted into the lower cover of the culture dish through the gap, the PLC controller controls the liquid feeder to perform liquid injection operation, then the PLC controller controls the electric push rod C to reversely work, and the liquid feeding nozzle exits from the lower cover of the culture dish through a gap to complete liquid injection work.

Preferably, the image acquisition device includes the branch of fixing on the horizontal plate and fixes the camera on branch, the camera is connected with the input electricity of PLC controller.

Preferably, the culture dish cover opening device further comprises a culture dish cover opening unit, the culture dish cover opening unit comprises two symmetrically arranged fixing piles, an electric push rod D and an electric push rod F, telescopic rods of the electric push rod D and the electric push rod F are fixedly connected with a servo motor D and a servo motor F through connecting plates respectively, output shafts of the servo motor D and the servo motor F are fixedly connected with a front right-angle rod and a rear right-angle rod which are in a horizontal state respectively, the heights of the front right-angle rod and the rear right-angle rod are consistent, front silicon rubber gaskets and rear silicon rubber gaskets are arranged on right-angle edges of the front right-angle rod and the rear right-angle rod respectively, and a miniature pressure sensor A and a miniature pressure sensor B are fixedly arranged in the front silicon rubber gaskets and the rear silicon rubber gaskets respectively; miniature pressure sensor A, miniature pressure sensor B all are connected with the input electricity of PLC controller, electric putter D, electric putter F, servo motor D and servo motor F all are connected with the output electricity of PLC controller. The setting of culture dish unit of uncapping makes this application can control and open a gap between culture dish upper cover and the culture dish lower cover, and culture dish liquid feeding unit accessible is opened the gap and is carried out arbitrary angle liquid feeding to the culture dish lower cover again, the flexible sucking disc formula of machinery that has effectively overcome the automatic check out test set of current bacterium and adopted uncaps the culture dish, the lid carries out the culture dish upper cover that perpendicular notes liquid caused and lower cover separation time overlength to the culture dish lower cover, the defect that appearance liquid in the lower cover container easily suffers bacterial contamination.

Preferably, the culture dish pushing unit comprises an electric push rod G, an end of a telescopic rod of the electric push rod G is fixedly connected with an arc plate, the center line of the arc plate is consistent with the center line between the two fixing piles, and the distance between the two ends of the arc plate is smaller than the distance between the two fixing piles; and the electric push rod G is electrically connected with the output end of the PLC. The arrangement can realize that the culture dish added with the culture solution is automatically pushed to the conveying belt for conveying the culture dish.

Preferably, the two ends of the inner circular arc of the circular arc plate are both fixedly provided with circular arc piles. In the above arrangement, the two arc piles can enable the center line of the culture dish after liquid injection and the center line of the connecting line of the two arc piles to be in the same plane in the process of horizontally contacting and pushing the upper cover of the culture dish, namely, the two arc piles can horizontally push the culture dish after liquid injection to reach an accurate position.

Compared with the prior art, the invention has the beneficial effects that:

the liquid adding device can meet the requirement that a detection person carries out liquid adding at any angle on the culture dish; in addition, the cooperation of culture dish unit of uncapping and culture dish liquid feeding unit in this application is used and can effectively overcome the flexible sucking disc formula of machinery that current automatic check out test set adopted and uncap, lid to the culture dish and to the culture dish upper cover that the perpendicular liquid injection of culture dish lower cover caused with the lower cover separation time overlength, the interior appearance liquid of lower cover container easily suffers bacterial contamination's defect again.

Drawings

Fig. 1 is a schematic front view structure diagram according to a first embodiment of the present application;

FIG. 2 is a schematic top view of the first embodiment of the present application;

FIG. 3 is a schematic left sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic top view of the cover opening unit and the dish pushing unit of the present application;

FIG. 5 is an enlarged view of a portion of FIG. 4 at I;

fig. 6 is a schematic front view structure diagram in the second use state of the embodiment.

In the figure: 1. electric push rods A, 2, a workbench, 3, shaft sleeves A, 4, flange plates A, 5, servo motors A, 6, cutting sleeves A, 7, electric push rods B, 8, shaft sleeves B, 9, flange plates B, 10, right-angled bends, 11, horizontal plates, 12, supporting rods, 13, cameras, 14, flange plates C, 15, servo motors B, 16, shaft sleeves C, 17, vertical plates, 18, servo motors C, 19, cutting sleeves B, 20, electric push rods C, 21, connecting sleeves, 22, liquid feeders, 23, a PLC controller, 24, fixing piles, 25, electric push rods D, 26, electric push rods F, 27, connecting plates, 28, servo motors D, 29, servo motors F, 30, front rods, 31, rear right-angled rods, 32, front silicon rubber gaskets, 33, rear silicon rubber gaskets, 34, micro pressure sensors A, 35, micro pressure sensors B, 36 and arc-shaped convex rubber gaskets, 37. electric push rods G, 38, arc plates, 39, arc piles, 40, culture dishes, 41 and a conveyor belt.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, an electrically controlled arbitrary angle liquid adding device comprises a culture dish liquid adding unit, the culture dish liquid adding unit comprises an electric push rod a1, the electric push rod a1 is fixed on a workbench 2, the end of a telescopic rod of the electric push rod a1 is vertically and upwardly fixedly connected with a shaft sleeve A3, the upper end of the shaft sleeve A3 is fixedly connected with a flange a4, a servo motor a5 is fixedly arranged on a flange a4, an output shaft of the servo motor a5 is vertically and upwardly fixedly connected with a cutting sleeve a6, the cutting sleeve a6 is fixedly connected with a horizontal electric push rod B7, the end of the telescopic rod of the electric push rod B7 is fixedly connected with a shaft sleeve B8, the shaft sleeve B8 is welded with a flange B9, the flange B9 is fixedly connected with a quarter bend 10, the top end of the quarter bend 10 is fixedly connected with a horizontal plate 11, the horizontal plate 11 is fixedly provided with an image collecting device, the, the lower end of the right-angle elbow 10 is fixedly connected with a flange C14, the lower end of the flange C14 is fixedly connected with a servo motor B15, an output shaft of the servo motor B15 is vertically and downwardly connected with a shaft sleeve C16, the lower end face of the shaft sleeve C16 is fixedly provided with a vertical plate 17, the vertical plate 17 is fixedly provided with a servo motor C18 with an output shaft in a horizontal shape, an output shaft of the servo motor C18 is fixedly provided with a cutting sleeve B19, a cutting sleeve B19 is fixedly provided with an electric push rod C20, and the end part of a telescopic rod of the electric push rod C20 is vertically and downwardly fixedly connected with a liquid filler; the servo motor A5, the servo motor B15, the servo motor C18, the electric push rod A1, the electric push rod B7, the electric push rod C20 and the liquid filler 22 are all electrically connected with the output end of the PLC 23, and the camera 13 is electrically connected with the input end of the PLC 23.

The working principle of the first embodiment is as follows: when the upper cover of the culture dish 40 is tilted to form a gap, the camera 13 can collect images of the culture dish 40 with the tilted gap and feed the collected image data back to the PLC controller 23, the PLC controller 23 controls the electric push rod A1 to work according to the detected image data, the liquid filling nozzle of the liquid filling device moves in a large distance in the vertical direction, then the PLC controller 23 controls the electric push rod B7 to work, the liquid filling nozzle of the liquid filling device moves in a large distance in the horizontal direction, then the PLC controller 23 controls the servo motor A5 to work, the liquid filling nozzle of the liquid filling device moves in a large arc, then the PLC controller 23 controls the servo motor B15 to work, the liquid filling nozzle of the liquid filling device moves in a small arc to enable the liquid filling nozzle to be located above the gap in an oblique direction, then the PLC controller 23 controls the servo motor C18 to work to adjust the inclination angle of the liquid filling nozzle, then the PLC controller 23 controls the electric push rod C20 to work, electric putter C20's telescopic link extension, in the liquid feeding mouth of liquid filler visited into the culture dish lower cover through the gap, then, PLC controller 23 controlled liquid filler 22 annotates the liquid operation, then, PLC controller 23 control electric putter C20 reverse work, and the culture dish lower cover is released through the gap to the liquid feeding mouth of liquid filler, accomplishes and annotates liquid work.

Example two:

different from the first embodiment, the second embodiment further includes a culture dish cover opening unit and a culture dish pushing unit, as shown in fig. 4, 5, and 6, the culture dish cover opening unit includes two fixing piles 24 symmetrically disposed on the working table 2, and an electric push rod D25 and an electric push rod F26 symmetrically disposed on the working table 2, an electric push rod D25 and an expansion rod of the electric push rod F26 are fixedly connected with a servo motor D28 and a servo motor F29 through a connection plate 27, output shafts of the servo motor D28 and the servo motor F29 are fixedly connected with a front right-angle rod 30 and a rear right-angle rod 31 in a horizontal state, heights of the front right-angle rod 30 and the rear right-angle rod 31 are consistent, front silicone rubber gaskets 32 and rear silicone rubber gaskets 33 are disposed on right-angle sides of the front rod 30 and the rear right-angle rod 31, and miniature pressure sensors a34, a miniature pressure sensors and a miniature pressure sensors are fixedly disposed in the front, A micro pressure sensor B35; the micro pressure sensor A34 and the micro pressure sensor B35 are electrically connected with the input end of the PLC 23, and the electric push rod D25, the electric push rod F26, the servo motor D28 and the servo motor F29 are electrically connected with the output end of the PLC 23.

Arc-shaped convex surfaces 36 are also provided on both spuds 24.

The culture dish pushing unit comprises an electric push rod G37, an electric push rod G37 is fixed on the workbench 2, the end part of a telescopic rod of the electric push rod G37 is fixedly connected with an arc plate 38, arc piles 39 are fixedly arranged at two ends of an inner arc of the arc plate 38, the central line of the arc plate 38 is consistent with the central line between the two fixing piles 24, and the distance between the two ends of the arc plate 38 is smaller than the distance between the two fixing piles 24; the electric push rod G37 is electrically connected with the output end of the PLC controller 23.

The working principle of the second embodiment is as follows: the PLC 23 controls the electric push rod D25 and the electric push rod F26 to work simultaneously, the electric push rod D25 and the electric push rod F26 work to shrink telescopic rods, because the electric push rod D25 and the electric push rod F26 are respectively connected with the servo motor D28 and the servo motor F29 through the connecting plate 27, and the servo motor D28 and the servo motor F29 are respectively connected with the front right-angle rod 30 and the rear right-angle rod 31, the telescopic rods of the electric push rod D25 and the electric push rod F26 shrink to drive the front right-angle rod 30 and the rear right-angle rod 31 to move horizontally and leftwards simultaneously until the left side of the upper cover of the culture dish contacts with the arc convex surfaces 36 of the two fixing piles 24, in the moving process, the front silicon rubber gasket 32 and the rear silicon rubber gasket 33 always contact the right side of the upper cover of the culture dish 40, when the left side of the upper cover of the culture dish contacts with the arc convex surfaces 36 of the two fixing piles 24, the culture dish can be automatically, under the action of the two fixing piles, the front right-angle rod 30 and the rear right-angle rod 31, pressure values detected by the miniature pressure sensor A34 and the miniature pressure sensor B35 can reach a pressure value preset by the PLC controller 23, when the PLC controller 23 detects that pressure values fed back by the miniature pressure sensor A34 and the miniature pressure sensor B35 are equal to the preset pressure values, the PLC controller 23 controls the electric push rod D25 and the electric push rod F26 to stop working at the same time, and controls the servo motor D28 and the servo motor F29 to start working at the same time, the servo motor D28 and the servo motor F29 respectively drive the front right-angle rod 30 and the rear right-angle rod 31 to rotate upwards at the same angle, and the front right-angle rod 30 and the rear right-angle rod 31 respectively drive the upper cover of the culture dish to tilt upwards by a distance of about 16mm by utilizing friction force between the front silicon rubber gasket 32, the rear silicon rubber gasket 33 and the; namely, the cover opening work of the culture dish is completed.

Then, the PLC controller 23 controls the culture dish liquid adding unit to inject the relevant liquid into the culture dish lower cover, and the principle of injecting the relevant liquid is the same as that of injecting the relevant liquid into the culture dish lower cover in the first embodiment.

After the work of annotating the liquid is accomplished, PLC controller 23 control servo motor D28, servo motor F29 is reverse work simultaneously, servo motor D28, servo motor F29 drives preceding right-angle pole 30 respectively, back right-angle pole 31 rotates downwards, preceding right-angle pole 30, back right-angle pole 31 utilizes preceding silicon rubber gasket 32 respectively, frictional force between back silicon rubber gasket 33 and the culture dish upper cover right side makes the culture dish upper cover lid that is equipped with relevant liquid good, accomplish the lid work after annotating the liquid promptly.

Then, the PLC controller 23 controls the electric push rod D25, the electric push rod F26 works in reverse direction at the same time, the electric push rod D25, the telescopic rod of the electric push rod F26 extends until the front silicone rubber gasket 32 and the rear silicone rubber gasket 33 do not contact the upper cover of the culture dish 40 any more, at this time, the micro pressure sensor a34 and the micro pressure sensor B35 feed back the pressure value fed back to the PLC controller 23 to be 0, the PLC controller 23 controls the servo motor D28 and the servo motor F29 to work at the same time, the servo motor D28 and the servo motor F29 respectively drive the front right-angle rod 30 and the rear right-angle rod 31 to rotate upward by 40 degrees, the PLC controller 23 controls the servo motor D28 and the servo motor F29 to stop working at the same.

Then, the PLC 23 controls the electric push rod G37 to work, the telescopic rod of the electric push rod G37 extends, the arc plate 39 pushes the covered culture dish 40 to the right under the action of the electric push rod G37 to move to the conveyor belt 41 for conveying the culture dish 40, and the pushing work of the culture dish 40 with liquid added after the cover is finished; then, the PLC controller 23 controls the electric push rod G37 to work reversely so that the telescopic rod returns to the initial position.

After the electrically-controlled arbitrary-angle liquid adding device finishes the operations of uncovering, filling, covering and pushing the culture dish 40 and the electric push rod G37 returning to the original position, the PLC 23 controls the electrically-controlled arbitrary-angle liquid adding device again to repeat the operations of uncovering, covering and pushing the culture dish 40 and the electric push rod G37 returning to the original position.

Claims

1. The utility model provides an automatically controlled arbitrary angle liquid feeding device which characterized in that: the culture dish liquid feeding device comprises a culture dish liquid feeding unit, wherein the culture dish liquid feeding unit comprises an electric push rod A, the end part of a telescopic rod of the electric push rod A is vertically and upwards fixedly connected with a servo motor A, an output shaft of the servo motor A is fixedly connected with an electric push rod B, the end part of a telescopic rod of the electric push rod B is in a horizontal state and is fixedly connected with a right-angled elbow, the top end of the right-angled elbow is fixedly connected with a horizontal plate, an image acquisition device is fixedly arranged on the horizontal plate, the lower end of the right-angled elbow is fixedly connected with the servo motor B, the output shaft of the servo motor B is vertically and downwards connected with a servo motor C, the output shaft of the servo motor C is in a horizontal state and is fixedly connected with an electric push rod C; the image acquisition device comprises a servo motor A, a servo motor B, a servo motor C, an electric push rod A, an electric push rod B, an electric push rod C and a liquid filler, wherein the servo motor A, the servo motor B, the servo motor C, the electric push rod A, the electric push rod B, the electric push rod C and the liquid filler are all electrically connected with the output end of the PLC, and the image acquisition device is electrically connected.

2. The electrically-controlled arbitrary-angle liquid adding device according to claim 1, characterized in that: the image acquisition device comprises a supporting rod fixed on the horizontal plate and a camera fixed on the supporting rod, and the camera is electrically connected with the input end of the PLC.

3. The electrically-controlled arbitrary-angle liquid adding device according to claim 1, characterized in that: the culture dish cover opening device is characterized by further comprising a culture dish cover opening unit, wherein the culture dish cover opening unit comprises two symmetrically arranged fixing piles, an electric push rod D and an electric push rod F, the electric push rod D and the electric push rod F are symmetrically arranged, telescopic rods of the electric push rod D and the electric push rod F are fixedly connected with a servo motor D and a servo motor F through connecting plates respectively, output shafts of the servo motor D and the servo motor F are fixedly connected with a front right-angle rod and a rear right-angle rod which are in a horizontal state respectively, the heights of the front right-angle rod and the rear right-angle rod are consistent, front silicon rubber gaskets and rear silicon rubber gaskets are arranged on right-angle edges of the front right-angle rod and the rear right-angle rod respectively, and a miniature pressure sensor A and a miniature; miniature pressure sensor A, miniature pressure sensor B all are connected with the input electricity of PLC controller, electric putter D, electric putter F, servo motor D and servo motor F all are connected with the output electricity of PLC controller.

4. The electrically controlled arbitrary-angle liquid adding device according to claim 3, characterized in that: the culture dish pushing unit comprises an electric push rod G, an arc plate is fixedly connected to the end portion of a telescopic rod of the electric push rod G, the center line of the arc plate is consistent with the center line between the two fixing piles, and the distance between the two ends of the arc plate is smaller than the distance between the two fixing piles; and the electric push rod G is electrically connected with the output end of the PLC.

5. The electrically controlled arbitrary-angle liquid adding device according to claim 4, characterized in that: and arc piles are fixedly arranged at the two ends of the inner arc of the arc plate.