CN-122016431-A - Automatic preparation and detection equipment for platinum-carbon catalyst

CN122016431ACN 122016431 ACN122016431 ACN 122016431ACN-122016431-A

Abstract

The application discloses automatic preparation and detection equipment for a platinum-carbon catalyst, which comprises an equipment working platform, a translation multi-axis mechanical arm, a blanking device, a solution adding device, a stirring heating device, an automatic suction filtration device, a man-machine interaction operation device and a post-treatment and detection device, wherein the translation multi-axis mechanical arm is arranged on the equipment working platform and can move along the equipment working platform and work cooperatively through the mechanical arm, the blanking device comprises a blanking mechanism and a weighing device and is used for micro weighing and adding of powder raw materials, the solution adding device is used for adding a preset solvent to the powder raw materials, the stirring heating device is used for carrying out closed stirring on a mixture, the automatic suction filtration device is used for realizing solid-liquid separation and automatic access of filter paper, the man-machine interaction operation device is used for realizing interaction between a person and equipment, and the post-treatment and detection device is used for carrying out dispersion and electrochemical performance test on the prepared catalyst. The automatic preparation and detection equipment can improve the preparation efficiency of the catalyst, improve the full-automatic performance of the equipment, reduce manual intervention and ensure personal safety.

Inventors

ZHANG YAN
CHI HAIPENG
ZHANG JINGJUN

Assignees

北京戴纳实验科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260212

Claims (10)

1. An automated preparation and detection apparatus for platinum carbon catalysts, comprising: Equipment work platform, set up in on the equipment work platform: a translation multi-axis mechanical arm which is arranged to be movable along the equipment working platform and performs cooperative work through the mechanical arm; The blanking device comprises a blanking mechanism and a weighing device and is used for micro weighing and adding of powder raw materials; the solution adding device is used for adding a preset solvent to the powder raw material; The stirring and heating device is used for stirring the mixture in a closed manner; The automatic suction filtration device is used for realizing solid-liquid separation and automatic storage and retrieval of filter paper; the man-machine interaction operation device is used for realizing interaction between a person and equipment; The post-treatment and detection device is used for carrying out dispersion and electrochemical performance test on the prepared catalyst; the horizontal movement multi-axis mechanical arm can realize the cooperative work with the blanking device, the solution adding device, the stirring heating device and the automatic suction filtration device through the man-machine interaction operation device, so that the full-flow operation from raw material preparation to performance detection can be realized.
2. The automated preparation and detection apparatus of claim 1, wherein the translational multi-axis robotic arm comprises: a linear movement module arranged on the equipment working platform, wherein the linear movement module comprises a linear driving mechanism and a moving part driven by the linear driving mechanism, and The multi-axis mechanical arm is arranged on the moving part, and the tail end of the multi-axis mechanical arm is provided with a quick-change interface; the multi-axis mechanical arm can realize cooperative work with the blanking device, the solution adding device, the stirring heating device and the automatic suction filtration device under the drive of the moving part.
3. The automated preparation and detection apparatus of claim 1, wherein the blanking device comprises: a fixed base; the charging basket is arranged on the fixed base, a discharging opening is formed in the bottom of the charging basket, and target powder is stored in the charging basket; the driving mechanism is arranged on the fixed base and is positioned right above the charging basket; the rotary compression bar is arranged in the charging basket and connected with the driving mechanism, a spiral blade is arranged on the rotary compression bar, and the driving mechanism is used for driving the rotary compression bar to rotate along the axis; the diameter and the pitch of the spiral blade are gradually reduced from top to bottom along the axial direction of the rotary compression bar, so that a compression channel with a large top and a small bottom is formed in the charging barrel, and a radial gap for powder output is formed between the discharging opening and the tail end of the rotary compression bar.
4. The automated preparation and detection apparatus of claim 3, further comprising a modular quick-change device comprising a torque transfer structure comprising: the polygonal connecting sleeve is arranged at the driving end of the rotary compression bar; A polygonal driving sleeve sleeved and fixed on the driving shaft of the driving mechanism, and The locking structural member is used for fixedly connecting the polygonal connecting sleeve with the polygonal driving sleeve.
5. The automated manufacturing and inspection apparatus of claim 4, wherein the modular quick-change device further comprises a radial positioning structure comprising: The bearing sliding chute structure is fixed on the fixed base, and a notch for horizontally sliding in is formed in the bearing sliding chute structure; The buckling chute structure is detachably connected with the bearing chute structure, and a notch sleeved with the bearing chute structure is formed in the buckling chute structure; the periphery of the charging basket is provided with a guide flange, the side wall of the receiving chute structure is provided with a guide groove which is in sliding fit with the guide flange, and the buckling chute structure is used for fixing the charging basket in the receiving chute structure.
6. The automated preparation and detection apparatus of claim 1, wherein the agitation heating apparatus comprises: a support frame on which a beaker placing station is provided for carrying a beaker of solution to be treated; a main driving unit disposed on the support frame; the sealing mechanism is arranged above the beaker placing position and connected with the main driving unit, and comprises an elastic pressing assembly for sealing the edge of the beaker; the stirring assembly is arranged above the beaker placing position and connected with the main driving unit, and comprises a stirring paddle coaxially arranged at the center of the sealing mechanism, and the stirring paddle extends downwards to extend into the beaker; The main driving unit is used for driving the sealing mechanism and the stirring assembly to move up and down, so that the elastic pressing assembly and the stirring paddle can be connected with and separated from the beaker.
7. The automated preparation and detection apparatus of claim 6, further comprising a heating unit disposed below the beaker placement site for heating the placed beaker, wherein a sensor for monitoring temperature in real time is integrated into the heating unit.
8. The automated preparation and testing apparatus of claim 6, further comprising an automatic cleaning assembly located laterally of the beaker placement site for cleaning the paddle after agitation is complete, wherein the automatic cleaning assembly comprises: The bottom translation device is arranged on the supporting frame and is provided with a translation sliding table; the cleaning tank is arranged on the translation sliding table in parallel with the beaker placing position; Wherein, bottom translation device drive the washing tank is in the reciprocating motion of horizontal direction to just under the stirring rake.
9. The automated preparation and detection apparatus of claim 1, wherein the automated suction filtration device comprises: The support frame is provided with a filtering platform; The filter paper tray seat is arranged on the filter platform, a through filter channel is formed in the filter paper tray seat along the vertical direction, and the top surface of the filter paper tray seat is used for bearing filter paper; The suction component is arranged in the filtering channel, the top end of the suction component is in sealing fit with the top surface of the filter paper tray seat, a negative pressure interface for connecting a negative pressure source is arranged on the suction component, and a connecting port is arranged at the bottom of the suction component; The top opening of the suction filtration receiving container is detachable and is connected with the connecting port in a sealing way; The funnel groove assembly comprises a funnel groove and a vertical driving assembly, the vertical driving assembly is arranged on the filtering platform, and the driving end of the vertical driving assembly is used for controlling the funnel groove to lift and fall right above the filter paper tray seat; Wherein the vertical drive assembly is configured to drive the funnel to descend to compress the filter paper between the filter paper tray seat and the funnel and form a seal, and to drive the funnel to ascend to disengage the filter paper tray seat.
10. The automated preparation and detection apparatus of any one of claims 9, further comprising a filter paper grasping and releasing mechanism comprising: a filter paper tray for storing filter papers in advance; The grabbing mechanism is driven by a multi-axis mechanical arm and comprises a grabbing substrate connected with the multi-axis mechanical arm and a plurality of grabbing needles vertically fixed on the grabbing substrate downwards, wherein the grabbing needles are used for penetrating through a non-working area of the filter paper to realize grabbing, and the grabbing mechanism comprises a plurality of grabbing needles which are vertically fixed on the grabbing substrate The ejection mechanism is arranged on the grabbing mechanism and comprises an ejection component capable of moving along the axial direction of the grabbing needle, and the ejection component is used for pushing the filter paper downwards to be separated; The filter paper tray is characterized in that a plurality of pore canals are formed in the position, which is located in the non-working area of the filter paper, of the filter paper tray, and the pore canals correspond to the positions of the grabbing needles when the grabbing needles grab the filter paper one by one.

Description

Automatic preparation and detection equipment for platinum-carbon catalyst Technical Field The application relates to the field of laboratory automation equipment, in particular to automation preparation and detection equipment for a platinum-carbon catalyst. Background Currently, in the development process of noble metal catalysts (such as platinum-carbon catalysts), especially in parallel screening experiments of different formulas (such as carbon powder types, noble metal solution types and proportions), the whole process flow is highly dependent on manual operation. The process generally comprises the steps of precisely weighing and adding trace powder (such as carbon powder), quantitatively dripping various solutions, stirring and heating for a long time, filtering and separating the solutions and solids, vacuum drying filter cakes, scraping and transferring dried materials, and carrying out subsequent ultrasonic dispersion, coating, electrochemical detection and the like. In the prior art, in the research and development process of a catalyst (such as a platinum-carbon catalyst), the following defects are often caused, namely, 1) the process steps are numerous and extremely long in time consumption, a plurality of experimental samples cannot be processed in parallel by manual operation, and the research and development progress is seriously slowed down. 2) The operations of manual weighing, liquid adding, stirring and the like are easily affected by human factors, the stability of milligram level and even higher precision is difficult to ensure, the fluctuation of experimental data is large, and the formula optimization result is unreliable. 3) The noble metal salt solution or the organic solvent used may be toxic or volatile in the course of stirring, transferring, etc. Traditional open manual operation can not effectively seal, has the solvent to volatilize and pollutes the environment, endangers operating personnel's health risk. 4) In particular to a 'suction filtration' key solid-liquid separation step, and mature automatic equipment is lacking in the market. From the grabbing, placing and suction filtering processes of the filter paper to the subsequent cleaning, the filter paper completely depends on manpower, and becomes a main bottleneck for realizing full-flow automation. Disclosure of Invention The application mainly aims to provide automatic preparation and detection equipment for a platinum-carbon catalyst, so as to improve the preparation efficiency of the catalyst, improve the full-automatic performance of the equipment, reduce manual intervention and ensure personal safety. The application provides automatic preparation and detection equipment for a platinum-carbon catalyst, which comprises an equipment working platform and a translation multi-axis mechanical arm arranged on the equipment working platform, wherein the translation multi-axis mechanical arm can move along the equipment working platform and is used for carrying out cooperative work through the mechanical arm, a blanking device comprises a blanking mechanism and a weighing device and is used for micro weighing and adding of powder raw materials, a solution adding device is used for adding a preset solvent to the powder raw materials, a stirring heating device is used for carrying out closed stirring on a mixture, an automatic suction filtration device is used for realizing solid-liquid separation and automatic access of filter paper, a man-machine interaction device is used for realizing interaction between a person and the equipment, and a post-processing and detection device is used for carrying out dispersion and electrochemical performance test on the prepared catalyst, and the translation multi-axis mechanical arm can realize cooperative work with the blanking device, the solution adding device, the stirring heating device and the automatic suction filtration device through the man-machine interaction device, so that full-axis operation from preparation of the raw materials to performance detection can be realized. The multi-axis mechanical arm comprises a linear moving module and a multi-axis mechanical arm, wherein the linear moving module is arranged on a working platform of equipment and comprises a linear driving mechanism and a moving part driven by the linear driving mechanism, the multi-axis mechanical arm is arranged on the moving part, and a quick-change interface is arranged at the tail end of the multi-axis mechanical arm, wherein the multi-axis mechanical arm can realize the cooperative work with a blanking device, a solution adding device, a stirring heating device and an automatic suction filtration device under the driving of the moving part. The blanking device comprises a fixed base, a charging basket, a driving mechanism, a rotary compression rod and a spiral blade, wherein the charging basket is arranged on the fixed base, a blanking opening is formed in the bottom of the charging basket and used f