CN210410789U

CN210410789U - Chemical experiment demonstration robot

Info

Publication number: CN210410789U
Application number: CN201921315696.1U
Authority: CN
Inventors: 李贵权
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-28
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a chemistry experiment demonstration robot, locate this external safety cover of robot including robot and cover, the robot includes body portion and head, the front of body portion is provided with the display screen, the head is provided with the speaker, be provided with in the body portion with the control mainboard that display screen and speaker electricity are connected, the both sides of body portion still are provided with the operation arm, correspond in the safety cover the place ahead of robot still is provided with the supporter that is used for placing experimental device. The beneficial effects of the above technical scheme are: the set display screen can play correct operation steps, the loudspeaker is used for playing sound in cooperation with the display screen, so that students can repeatedly watch correct experiment steps in a short distance, the pressure of teachers is relieved, and the effect of experiment teaching can be improved; in addition, a protective cover for ensuring the safety of the experimental process is arranged, so that the safety of students observing in a close range is ensured.

Description

Chemical experiment demonstration robot

Technical Field

The utility model relates to a teaching robot technical field, concretely relates to chemistry experiment demonstration robot.

Background

In the chemical courses of middle schools, a plurality of different experiments are included, and the experiments can help students to well understand the element composition and different characteristics of substances, but the experiments can obtain better teaching effect only by the fact that the students need to participate in the experiments in person, so that practical courses become indispensable. However, most of the current middle school experiment classrooms are demonstration by teachers, and students conduct experiments by watching the memory and the book characters of the demonstration by teachers. And the teacher only has one person generally and can not correct the errors of the students one by one.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a chemistry experiment demonstration robot can alleviate teacher's pressure, provides more audio-visual experimentation for the student, and help the student master the experiment fast and lead.

The utility model provides a pair of chemistry experiment demonstration robot, locate this external safety cover of robot including robot and cover, the robot includes body portion and head, the preceding display screen that is provided with of body portion, the head is provided with the speaker, be provided with in the body portion with the control mainboard that display screen and speaker electricity are connected, the both sides of body portion still are provided with the operation arm, correspond in the safety cover the place ahead of robot still is provided with the supporter that is used for placing experimental device.

The beneficial effects of the above technical scheme are: the set display screen can play correct operation steps, the loudspeaker is used for being matched with the display screen to play sound, and the loudspeaker can be used for carrying out actual demonstration through the operation arm while being guided by videos, so that students can repeatedly watch correct experiment steps in a short distance, the workload which cannot be achieved by teachers is achieved, and the effect of experiment teaching can be improved while the pressure of the teachers is reduced; in addition, a protective cover for ensuring the safety of the experimental process is arranged, so that the safety of students observing in a close range is ensured.

Further, supporter includes the supporter and sets up a plurality of ring mounting on the supporter, and is a plurality of the internal diameter of ring mounting is gradient and increases progressively. Can fix not unidimensional experimental device through the different ring mounting of internal diameter, including test tube, beaker, erlenmeyer flask etc. common experimental apparatus.

Further, a USB interface electrically connected with the control main board is arranged behind the body part, and teaching videos or test programs are written into the control main board through the USB interface. The teaching video can be updated, and more teaching videos are guaranteed to be covered.

Further, the operation arm comprises a dropper control arm for using the rubber head dropper and a clamping arm for clamping the reaction container, a fixing clamp for fixing the rubber head dropper and a pressing and pinching mechanism for pressing and pinching the rubber head dropper are arranged at the front end of the dropper control arm, and a rotating clamp for adjusting the angle of the reaction container is arranged at the front end of the clamping arm. During the experiment, it is fixed with reaction vessel through rotating the clamp, control the rubber head burette through burette control arm and drop reaction reagent to reaction vessel for can take place the chemical reaction of settlement in the reaction vessel, the student can observe reaction process and result.

Further, the burette control arm is arranged on the body part through a lifting mechanism, and a rotating mechanism for driving the lifting mechanism and the burette control arm to rotate is further arranged at the bottom of the lifting mechanism. The posture of the dropper control arm can be adjusted through the rotating mechanism and the lifting mechanism, so that the controlled rubber head dropper can finish the operations of liquid taking, transferring and dropping.

Further, press and hold between the fingers the mechanism and be located the fixation clamp top, press and hold between the fingers the mechanism and include one and press and hold between the fingers the chamber, be provided with the gasbag in pressing and holding between the fingers the intracavity. The rubber head of the rubber head dropper is extruded through expansion of the air bag, and the rubber head is restored when the air bag contracts, so that the air bag can simulate fingers of a person to squeeze and pinch, and the rubber head dropper can smoothly absorb and drip out a reagent.

Further, the clamping arm is rotatably arranged on the body part, and the rotating clamp is rotatably arranged at the front end of the clamping arm. The orientation of the reaction vessel can be adjusted by rotating the clamp, and the reaction vessel can also be shaken by reciprocating rotation.

Further, the lifting mechanism comprises a vertical guide rail and a screw nut pair arranged in parallel with the vertical guide rail, the dropper control arm is connected with the vertical guide rail in a sliding mode through a sliding block, and a nut of the screw nut pair is fixed on the dropper control arm.

Furthermore, slewing mechanism includes a rolling disc, vertical guide rail and screw-nut are vice all to be set up on the rolling disc, the below of rolling disc is provided with the drive rolling disc pivoted first motor.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a bottom view of the dropper control arm according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Reference numerals: the device comprises a protective cover 100, a bearing plate 110, a handle 120, a body part 200, a display screen 210, a head part 220, a support body 300, a ring fixing piece 310, a dropper control arm 400, a pinching mechanism 410, an air bag 411, a fixing clamp 420, a fourth motor 421, a clamping arm 500, a rotating clamp 510, a rotating disc 600, a vertical guide rail 610 and a screw nut pair 620.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship as shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media.

As shown in fig. 1 to 4, the present embodiment provides a chemical experiment demonstration robot, which can relieve the stress of teachers, provide more intuitive experimental processes for students, and help students to quickly master the experiment essentials.

The utility model provides a pair of chemistry experiment demonstration robot, locate this external safety cover 100 of robot including robot and cover, the robot includes body 200 and head 220, the front of body 200 is provided with display screen 210, head 220 is provided with the speaker, be provided with in the body 200 with the control mainboard that display screen 210 and speaker electricity are connected, the both sides of body 200 still are provided with the operating arm, correspond in the safety cover 100 the place ahead of robot still is provided with the supporter that is used for placing experimental device. The safety cover 100 is made of transparent materials, so that students can observe the internal conditions conveniently, the robot is stored and moved conveniently, the bottom of the safety cover 100 is further provided with a bearing plate 110, the bearing plate 110 and the safety cover 100 enclose a box body, the robot is fixed in the box body, the top of the box body is further provided with a handle 120, and the robot is convenient to carry.

The display screen 210 can play correct operation steps, the loudspeaker is used for playing sound in cooperation with the display screen 210, and practical demonstration can be performed through the operation arm while video guidance is performed, so that students can repeatedly watch correct experiment steps in a close range, workload which cannot be achieved by teachers is achieved, and the effect of experiment teaching can be improved while the pressure of the teachers is relieved; in addition, a protective cover 100 for ensuring the safety of the experimental process is arranged, so that the safety of students observing in a close range is ensured.

The supporter includes a support body 300 and a plurality of ring fasteners 310 disposed on the support body 300, and the inner diameters of the ring fasteners 310 are gradually increased in a gradient manner. The ring fixing member 310 with different inner diameters can fix experimental devices with different sizes, including common experimental equipment such as test tubes, beakers, erlenmeyer flasks and the like.

A USB interface electrically connected to the control motherboard is further provided behind the body 200, and a teaching video or a test program is written into the control motherboard through the USB interface. The teaching video can be updated, and more teaching videos are guaranteed to be covered.

The operation arm comprises a dropper control arm 400 for using a rubber head dropper and a clamping arm 500 for clamping a reaction container, the front end of the dropper control arm 400 is provided with a fixing clamp 420 for fixing the rubber head dropper and a pressing and pinching mechanism 410 for pressing and pinching the rubber head dropper, and the front end of the clamping arm 500 is provided with a rotating clamp 510 for adjusting the angle of the reaction container. During the experiment, the reaction vessel is fixed through the rotating clamp 510, the rubber-tipped dropper is controlled by the dropper control arm 400 to drop reaction reagents into the reaction vessel, so that a set chemical reaction can occur in the reaction vessel, and a student can observe the reaction process and the result.

Referring to fig. 1, 3 and 4, the dropper control arm 400 is disposed on the body part 200 through a lifting mechanism, and a rotating mechanism for driving the lifting mechanism and the dropper control arm 400 to rotate is further disposed at the bottom of the lifting mechanism. The posture of the dropper control arm 400 can be adjusted through the rotating mechanism and the lifting mechanism, so that the controlled rubber head dropper can finish the operations of liquid taking, transferring and dropping. The lifting mechanism comprises a vertical guide rail 610 and a screw nut pair 620 which is arranged in parallel with the vertical guide rail 610, the dropper control arm 400 is connected with the vertical guide rail 610 in a sliding mode through a sliding block, and nuts of the screw nut pair 620 are fixed on the dropper control arm 400. The rotating mechanism comprises a rotating disc 600, the vertical guide rail 610 and the screw nut pair 620 are both arranged on the rotating disc 600, and a first motor for driving the rotating disc 600 to rotate is arranged below the rotating disc 600. A sixth motor for driving the screw nut pair 620 is further disposed in the rotating disc 600.

Referring to fig. 3, the pressing mechanism 410 is located above the fixing clip 420, and the pressing mechanism 410 includes a pressing cavity in which an air bag 411 is disposed. The rubber head of the expansion extrusion rubber head dropper through the air bag 411 recovers when the air bag 411 contracts, so that the air bag 411 can simulate the finger squeezing of a person to pinch, the rubber head dropper can absorb and drip reagent smoothly, the body part 200 is internally provided with control, and the air pump of the air bag 411 can control the size of the air bag 411, namely, the extrusion degree of the rubber head dropper can be controlled, and the number of drops required by the dripping experiment which can be accurate by the rubber head dropper is ensured. The fixing clip 420 includes two arc-shaped clip arms, two arc-shaped clip arms are rotatably disposed on the dropper control arm 400, and a fourth motor 421 for controlling the arc-shaped clip arms is disposed in the dropper control arm 400.

Referring to fig. 1 and 2, the clamping arm 500 is horizontally and rotatably disposed on the body 200, a second motor for driving the clamping arm 500 to rotate is disposed at a position of the body 200 corresponding to the clamping arm 500, the rotating clamp 510 is rotatably disposed at the front end of the clamping arm 500, a rotating plane of the rotating clamp 510 is a vertical plane, a third motor for driving the rotating clamp 510 is disposed at an end of the clamping arm 500, and a rotating shaft in transmission connection with the third motor is disposed on one side of the rotating clamp 510 close to the clamping arm 500. The rotating clamp 510 can adjust the orientation of the reaction vessel, and also can rotate back and forth to shake the reaction vessel. Two clamping arms 500 are movably arranged on the rotating clamp 510, and a fifth motor for driving the clamping arms 500 is further arranged on the rotating clamp 510.

In the experiment, taking the reaction of phenolphthalein with an alkaline solution as an example, a rubber-tipped dropper is clamped by a dropper control arm 400, a test tube is clamped by a clamping arm 500, students manually add an alkaline solution (such as sodium hydroxide) into the test tube, then the rubber-tipped dropper sucks the phenolphthalein from a bottle containing the phenolphthalein under the control of the dropper control arm 400, the rubber-tipped dropper is transferred to a position aligned with a reaction vessel by a rotating mechanism and a lifting mechanism, then the phenolphthalein is dripped into the test tube by a pressing mechanism 410, and the test tube is shaken by a rotating clamp 510, so that the reaction can be sufficiently performed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a chemistry experiment demonstration robot, its characterized in that locates this external safety cover (100) of robot including robot and cover, the robot includes body (200) and head (220), the preceding display screen (210) that is provided with of body (200), head (220) are provided with the speaker, be provided with in body (200) with the control mainboard that display screen (210) and speaker electricity are connected, the both sides of body (200) still are provided with the manipulator, correspond in the safety cover (100) the place ahead of robot still is provided with the supporter that is used for placing experimental device.

2. The chemical experiment demonstration robot according to claim 1, wherein the rack comprises a support body (300) and a plurality of ring fasteners (310) arranged on the support body (300), and the inner diameters of the plurality of ring fasteners (310) are increased in a gradient manner.

3. A chemical experiment demonstration robot according to claim 1, characterized in that a USB interface electrically connected with the control mainboard is further arranged behind the body part (200).

4. The chemical experiment demonstration robot as claimed in claim 1, wherein the operating arms comprise a dropper control arm (400) for using a rubber head dropper and a clamping arm (500) for clamping the reaction vessel, a fixing clip (420) for fixing the rubber head dropper and a pressing and pinching mechanism (410) for pressing and pinching the rubber head dropper are arranged at the front end of the dropper control arm (400), and a rotating clip (510) for adjusting the angle of the reaction vessel is arranged at the front end of the clamping arm (500).

5. A chemical experiment demonstration robot according to claim 4, characterized in that the dropper control arm (400) is arranged on the body part (200) through a lifting mechanism, and a rotating mechanism for driving the lifting mechanism and the dropper control arm (400) to rotate is further arranged at the bottom of the lifting mechanism.

6. A chemical experiment demonstration robot according to claim 5, characterized in that the pinching mechanism (410) is located above the fixing clip (420), the pinching mechanism (410) comprises a pinching chamber, and an air bag (411) is arranged in the pinching chamber.

7. A chemical experiment demonstration robot according to claim 4, characterized in that the holding arm (500) is rotatably arranged on the body part (200), and the rotating clamp (510) is rotatably arranged on the front end of the holding arm (500).

8. A chemical experiment demonstration robot according to claim 5, characterized in that the lifting mechanism comprises a vertical guide rail (610) and a screw nut pair (620) juxtaposed to the vertical guide rail (610), the dropper control arm (400) is slidably connected with the vertical guide rail (610) through a slide block, and a nut of the screw nut pair (620) is fixed to the dropper control arm (400).

9. A chemical experiment demonstration robot according to claim 8, characterized in that the rotating mechanism comprises a rotating disc (600), the vertical guide rail (610) and the screw nut pair (620) are both arranged on the rotating disc (600), and a first motor for driving the rotating disc (600) to rotate is arranged below the rotating disc (600).