CN219758178U

CN219758178U - Titration reaction device

Info

Publication number: CN219758178U
Application number: CN202223576073.4U
Authority: CN
Inventors: 傅蓉; 赵晓冬
Original assignee: Shenyang Saige Instrument Technology Co ltd
Current assignee: Shenyang Saige Instrument Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-26
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a titration reaction device, which comprises a bottom plate seat, a top plate and a titrator, wherein the bottom plate seat and the top plate are fixedly arranged through four fixed struts, the four fixed struts are rectangular and distributed at four corners of the bottom plate seat, a pushing device and a PLC end controller are fixedly arranged on the upper surface of the top plate, a linear speed reducer is fixedly arranged at the upper end of the pushing device, a servo motor is fixedly arranged at the upper end of the linear speed reducer, and the input end of the linear speed reducer is fixedly arranged at the output end of the servo motor; the servo motor is controlled by the PLC end controller, and then the synchronous control of the operation of the pushing devices is realized, so that the titrators below the servo motor drop the reaction solvent into the reaction vessel at the same time, the same reaction solvent amount is dropped under the same temperature and the same humidity, the influence of errors is greatly reduced in the integral comparison, and more accurate comparison results can be obtained, so that the reaction solvent with the optimal pH value or concentration is obtained.

Description

Titration reaction device

Technical Field

The utility model relates to the technical field of titration devices, in particular to a titration reaction device.

Background

The titration reaction is generally used for detecting the acid-base degree of liquid or carrying out coagulation and precipitation detection of suspension liquid, the existing titration reaction device is generally in a single mode, namely only single acid detection, alkali detection or single concentration detection can be carried out, a plurality of comparison samples are generally needed to carry out contrast reaction in the titration reaction, so that the optimal pH value or concentration is determined, a plurality of experimental reactions are needed to be carried out in a single detection flow, the workload is increased, and the error of each control amount, the temperature and the humidity can be changed, so that the influence of the error is further increased.

Therefore, it is necessary to design a titration reaction apparatus capable of performing a plurality of sets of controls simultaneously.

Disclosure of Invention

The present utility model is directed to a titration reaction apparatus for solving the above-mentioned problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the titration reaction device comprises a bottom plate seat, a top plate and a titrator, wherein the bottom plate seat and the top plate are fixedly arranged through four fixing support posts, four fixing support posts are rectangular and distributed at four corners of the bottom plate seat, a pushing device and a PLC end controller are fixedly arranged on the upper surface of the top plate, a linear speed reducer is fixedly arranged on the upper end of the pushing device, a servo motor is fixedly arranged on the upper end of the linear speed reducer, the output end of the servo motor is fixedly arranged at the input end of the linear speed reducer, the output end of the linear speed reducer is fixedly arranged at the driving end of the pushing device, the output end of the pushing device is fixedly connected with the titrator, and the titrator is fixedly arranged on the lower surface of the top plate.

According to the technical scheme, the number of the titrators is a plurality of, and the number of the pushing devices, the number of the linear reducers, the number of the servo motors and the number of the PLC end controllers are the same as the number of the titrators and are in one-to-one correspondence combination with each other.

According to the technical scheme, the titrator comprises a liquid storage barrel, a piston is slidably mounted in the liquid storage barrel, a drawing hole is formed in the upper surface of the piston, a liquid dropping pipe and a liquid inlet pipe in the communicating barrel are fixedly arranged at the lower end of the liquid storage barrel, a liquid dropping one-way valve is fixedly mounted on a pipe body of the liquid dropping pipe, and a liquid inlet one-way valve is fixedly mounted on a pipe body of the liquid inlet pipe.

According to the technical scheme, the pushing device comprises a cylinder shell, a positioning disc is fixedly arranged at the lower end in the cylinder of the cylinder shell, a lifting plate is slidably arranged in the cylinder shell at the upper part of the cylinder shell, a push rod is fixedly arranged on the lower surface of the lifting plate, the push rod penetrates through the positioning disc, a pulling head is fixedly arranged at the lower end of the push rod, and a driving screw is rotatably arranged on the axis of the positioning disc and in threaded fit with the lifting disc.

According to the technical scheme, the PLC end controller comprises a singlechip, and an instant switch and a display screen are arranged on the singlechip.

According to the technical scheme, the servo motor is connected with the voltage stabilizer through the PLC end controller, and the voltage stabilizer is connected with an external power supply.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the servo motor is controlled by the PLC end controller, so that the synchronous control of the operation of the pushing devices is realized, and the reaction solvent is dripped into the reaction vessel by the titrator below the pushing devices, so that the same amount of the reaction solvent is dripped under the same temperature and the same humidity, the influence of errors is greatly reduced in the integral comparison, and more accurate comparison results can be obtained, so that the reaction solvent with optimal pH value or concentration is obtained.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a titrator of the present utility model;

FIG. 3 is a schematic cross-sectional view of the pushing device of the present utility model;

FIG. 4 is a schematic perspective view of a puck according to the present utility model;

fig. 5 is a schematic perspective view of a PLC end controller according to the present utility model.

In the figure: 1. the automatic liquid dropping device comprises a bottom plate seat, 2, a top plate, 3, a fixed support column, 4, a titrator, 41, a liquid storage cylinder, 42, a piston, 43, a liquid dropping pipe, 44, a liquid inlet pipe, 45, a liquid dropping one-way valve, 46, a liquid inlet one-way valve, 47, a drawing hole, 5, a pushing device, 51, a cylinder shell, 52, a positioning disc, 53, a lifting disc, 54, a driving screw, 55, a push rod, 56, a drawing head, 6, a linear speed reducer, 7, a servo motor, 8, a PLC end controller, 81, a singlechip, 82, an instant switch, 83 and a display screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: titration reaction device, including bottom plate seat 1, roof 2 and titrator 4, bottom plate seat 1 and roof 2 pass through four fixed stay 3 fixed mounting, four fixed stay 3 rectangular distribution is in the four corners of bottom plate seat 1, the last fixed surface of roof 2 installs thrust unit 5 and PLC end controller 8, the upper end fixed mounting of thrust unit 5 has sharp reduction gear 6, the upper end fixed mounting of sharp reduction gear 6 has servo motor 7, the input of servo motor 7's output fixed mounting sharp reduction gear 6, the drive end of the output fixed mounting thrust unit 5 of sharp reduction gear 6, the output fixed connection titrator 4 of thrust unit 5, titrator 4 fixed mounting is in the lower surface of roof 2.

The space supporting structure is formed by the bottom plate seat 1, the top plate 2 and the fixed support 3, the bearing structure is placed for the reaction vessel through the bottom plate seat 1, the top plate 2 provides an installation foundation for the structure on the reaction vessel, the titrator 4 is positioned between the bottom plate seat 1 and the top plate 2, the reaction solvent is convenient to drop, the servo motor 7 provides driving force for device titration, the linear speed reducer 6 is a planetary gear speed reducer, the purpose of speed reduction is realized under a smaller volume, the pushing device 5 changes the rotating force output by the linear speed reducer 6 into the linear pushing force, so that the titrator 4 is controlled, and the PLC end controller 8 realizes the work of controlling the servo motor 7 based on the programming program of the singlechip 81.

Specifically, the number of the titrators 4 is the same as the number of the titrators 4, and the number of the pushing devices 5, the number of the linear reducers 6, the number of the servo motors 7 and the number of the PLC end controllers 8 are all the same, and are combined in a one-to-one correspondence manner.

The synchronous multi-experiment comparison group is formed by combining a plurality of titrators 4, pushing devices 5, linear reducers 6, servo motors 7 and PLC end controllers 8 in a one-to-one correspondence manner.

Specifically, the titrator 4 includes a liquid storage barrel 41, a piston 42 is slidably mounted in the liquid storage barrel 41, a drawing hole 47 is formed in the upper surface of the piston 42, a drip tube 43 and a liquid inlet tube 44 in the communicating barrel are fixedly mounted at the lower end of the liquid storage barrel 41, a drip check valve 45 is fixedly mounted on the tube body of the drip tube 43, and a liquid inlet check valve 46 is fixedly mounted on the tube body of the liquid inlet tube 44.

The liquid storage cylinder 41 cooperates the piston 42 to realize the reaction solvent is inhaled and is derived, and the dropping liquid pipe 43 drips out reaction solvent, and the feed liquor pipe 44 is inhaled reaction solvent in the liquid storage cylinder 41, and through the setting of dropping liquid check valve 45 and feed liquor check valve 46 for reaction solvent can carry out the route import of setting and derive, and offer drawing hole 47 at piston 42 upper surface, conveniently cooperate thrust unit 5 to carry out the combination installation.

Specifically, the pushing device 5 comprises a cylinder shell 51, a positioning disc 52 is fixedly arranged at the lower end of the inside of the cylinder shell 51, a lifting plate is slidably arranged in the cylinder shell 51 at the upper part of the cylinder shell 51, a push rod 55 is fixedly arranged on the lower surface of the lifting plate, the push rod 55 penetrates through the positioning disc 52, a pulling head 56 is fixedly arranged at the lower end of the push rod 55, a driving screw 54 is rotatably arranged on the axis of the positioning disc 52, and the driving screw 54 is in threaded fit with the lifting disc 53.

The cylinder shell 51 provides a mounting foundation for an internal structure and protects the cylinder shell, the positioning disc 52 provides a rotating mounting foundation for the driving screw 54, the lifting disc 53 is matched with the driving screw 54 to realize lifting control, the up-and-down movement of the push rod 55 is controlled according to the lifting control, the positioning disc 52 limits the circumferential movement of the push rod 55, the effective work of the lifting disc 53 is ensured, and the pulling head 56 is fixedly arranged at the lower end of the push rod 55, so that the lifting disc is convenient to combine and disassemble in cooperation with the pulling hole 47.

Specifically, the PLC terminal controller 8 includes a single chip microcomputer 81, and an instant switch 82 and a display screen 83 are provided on the single chip microcomputer 81.

Through the instant switch 82, a single manual operation can be performed, and the singlechip 81 adopts the stm32f103c8t6 model to control the servo motor 7, and meanwhile, the revolution of the servo motor 7 is changed into the liquid drop amount, and the display screen 83 can display the liquid drop amount and can be more specific.

Specifically, the servo motor 7 is connected with a voltage stabilizer through a PLC end controller 8, and the voltage stabilizer is connected with an external power supply.

An external power supply circuit is formed, and the stability of working voltage and current is ensured under the action of a voltage stabilizer.

Working principle: when the device is used, the device is electrified, the servo motor 7 is controlled by the PLC end controller 8 to work reversely, then the titrator 4 is driven by the linear speed reducer 6 and the pushing device 5 to suck the reaction solvent through the liquid inlet pipe 44 of the titrator 4, and then the reaction vessel is filled with the solution to be titrated and is placed on the upper surface of the bottom plate seat 1, so that the mouth of the reaction vessel is opposite to the liquid outlet pipe 43 of the titrator 4;

the PLC end controller 8 controls the servo motor 7 to work positively, the titration device is driven by the linear speed reducer 6 and the pushing device 5, the reaction solvent sucked into the titration device is dripped into the reaction vessel through the drip tube 43, the titration reaction is realized, meanwhile, a plurality of groups of titrators 4 work simultaneously, and the effect and the purpose of mutual comparison are realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Titration reaction device, including bottom plate seat (1), roof (2) and titrator (4), its characterized in that: the automatic titration device is characterized in that the bottom plate seat (1) and the top plate (2) are fixedly installed through four fixing support posts (3), four fixing support posts (3) are rectangular and distributed at four corners of the bottom plate seat (1), a pushing device (5) and a PLC end controller (8) are fixedly installed on the upper surface of the top plate (2), a linear speed reducer (6) is fixedly installed at the upper end of the pushing device (5), a servo motor (7) is fixedly installed at the upper end of the linear speed reducer (6), the input end of the linear speed reducer (6) is fixedly installed at the output end of the servo motor (7), the driving end of the pushing device (5) is fixedly installed at the output end of the linear speed reducer (6), and the output end of the pushing device (5) is fixedly connected with a titrator (4) which is fixedly installed on the lower surface of the top plate (2).

2. The titration reaction device as recited in claim 1, wherein: the number of the pushing devices (5), the number of the linear reducers (6), the number of the servo motors (7) and the number of the PLC end controllers (8) are the same as the number of the titrators (4), and the pushing devices, the linear reducers, the servo motors (7) and the PLC end controllers are in one-to-one correspondence with each other and are combined.

3. The titration reaction device as recited in claim 1, wherein: the titrator (4) comprises a liquid storage barrel (41), a piston (42) is slidably installed in the liquid storage barrel (41), a drawing hole (47) is formed in the upper surface of the piston (42), a liquid dropping pipe (43) and a liquid inlet pipe (44) in the communicating barrel are fixedly installed at the lower end of the liquid storage barrel (41), a liquid dropping one-way valve (45) is fixedly installed on the pipe body of the liquid dropping pipe (43), and a liquid inlet one-way valve (46) is fixedly installed on the pipe body of the liquid inlet pipe (44).

4. The titration reaction device as recited in claim 1, wherein: the pushing device (5) comprises a cylinder shell (51), a positioning disc (52) is fixedly arranged at the lower end of the inside of the cylinder shell (51), a lifting plate is slidably arranged in the cylinder shell (51) at the upper part of the cylinder shell (51), a push rod (55) is fixedly arranged on the lower surface of the lifting plate, the push rod (55) penetrates through the positioning disc (52), a pulling head (56) is fixedly arranged at the lower end of the push rod (55), a driving screw (54) is rotatably arranged at the axis of the positioning disc (52), and the driving screw (54) is in threaded fit with the lifting disc (53).

5. The titration reaction device as recited in claim 1, wherein: the PLC end controller (8) comprises a singlechip (81), and an instant switch (82) and a display screen (83) are arranged on the singlechip (81).

6. The titration reaction device as recited in claim 1, wherein: the servo motor (7) is connected with a voltage stabilizer through a PLC end controller (8), and the voltage stabilizer is connected with an external power supply.