CN221673544U - Synthesis device of pyrazolidine ethyl formate - Google Patents

Abstract

The utility model relates to the technical field of insecticide preparation, and in particular to a synthesis device for ethyl pyrazolidinecarboxylate, including a tank body, a feeding hopper is arranged on one side of the top of the tank body, and a material introduction mechanism is arranged inside the tank body; the material introduction mechanism includes a guide hopper, the guide hopper is fixed at the bottom end of the tank body, and a filter screen is embedded at the top of the guide hopper. In the utility model, when the crushed raw material falls on the filter screen, it will be filtered, the liquid is guided to the solenoid valve through the guide hopper, and debris impurities are accumulated on the filter screen. The hydraulic rod pushes the extrusion plate to squeeze the debris impurities at the filter to avoid the waste caused by the inability of the contained liquid to flow out. Then the connecting rod drives the push plate to rotate, and the push plate rotates in contact with the filter screen to avoid blockage caused by debris impurities. At the same time, it slides outward through centrifugal motion and enters the collection shell for unified collection to facilitate cleaning by the later staff.

Description

A kind of synthesis device of ethyl pyrazolidinecarboxylate

Technical Field

The utility model relates to the technical field of insecticide preparation, in particular to a synthesis device for ethyl pyrazolidinecarboxylate.

Background Art

Chlorantraniliprole is the first insecticide in the o-formylaminobenzamide class of compounds developed by DuPont. It is now sold in more than 100 countries in the world. It has been the largest insecticide in the global pesticide market since 2012 and the third largest insecticide for rice. Ethyl 2-(3-chloropyridin-2-yl)-5-hydroxy-3-pyrazolidinecarboxylate is an important intermediate for the synthesis of chlorantraniliprole, so ethyl pyrazolidinecarboxylate needs to be synthesized and produced through a synthesis device during the production process.

The patent specification with announcement number CN212549939U discloses a pesticide crushing device, including a feed funnel, a grinding chamber, a crushing roller, a crushing chamber, a blower, a crushing mechanism, a mixing chamber, a filter screen, a discharge pipe row, a vibrator and an external conduit. The feed funnel is arranged at the top of the grinding chamber, the crushing roller is arranged inside the grinding chamber, the crushing chamber is arranged at the bottom of the grinding chamber, the blower is arranged at the top of the crushing chamber, the crushing mechanism is arranged inside the crushing chamber, the mixing chamber is arranged at the bottom of the crushing chamber, the filter screen is arranged at the inner bottom of the crushing chamber, the discharge pipe row is arranged at the bottom of the filter screen, the vibrator is arranged at the end of the discharge pipe row, and the external conduit is arranged at the lower end of the right part of the mixing chamber.

However, in the implementation of relevant technologies, it was found that the above-designed insecticide crushing device has the following problems: in the prior art, filtering and separation are performed through a filter screen, but during the specific use process, the filtered impurity debris still contains a lot of liquid, and if it is directly cleaned, it will cause certain waste. In view of this, a synthesis device of ethyl pyrazolidinecarboxylate is provided to overcome the above-mentioned defects.

Utility Model Content

The utility model aims to solve the shortcomings in the prior art and provides a synthesis device for ethyl pyrazolidinecarboxylate.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a synthesis device of ethyl pyrazolidinecarboxylate, comprising a tank body, a feeding hopper is arranged on one side of the top of the tank body, and a material introduction mechanism is arranged inside the tank body;

The material guiding mechanism comprises a material guiding hopper, which is fixed at the inner bottom end of the tank body, and a filter screen is embedded at the top of the material guiding hopper, a hydraulic rod is embedded at the inner upper part of the tank body, and an extrusion plate is connected to the power output end of the hydraulic rod, a connecting rod is rotatably connected to the upper part of the filter screen, and a pushing plate is fixed to the outer wall of the connecting rod close to the filter screen, the mixed raw materials are filtered through the filter screen, and the solid-liquid separation is carried out to prevent the synthesized materials from containing debris, etc., which affects the use and is discharged through the conical material guiding hopper.

As a further description of the above technical solution: the push plate fits tightly against the filter screen, and a rotating structure is formed between the push plate and the filter screen. The connecting rod is rotatably connected to the filter screen through a bearing, so that the push plate can fit the filter screen and rotate, scrape off the adsorbed debris and impurities, and avoid blockage.

As a further description of the above technical solution: a collecting shell is fixed on one side of the outer wall of the tank body, and an electromagnetic valve is installed at the bottom end of the tank body. The debris and impurities pushed by the pushing plate move outward under the action of centrifugation and are pushed into the collecting shell for unified collection, which is convenient for later cleaning. The outflow of the synthetic liquid is controlled by the opening and closing of the electromagnetic valve.

As a further description of the above technical solution: a crushing mechanism is arranged above the tank body, and the crushing mechanism includes a motor, which is embedded in the top center position of the tank body, and a conveying cavity is opened on one side of the upper hydraulic rod inside the tank body, and a spiral propulsion shaft is fixed below the outer wall of the connecting rod passing through the conveying cavity, and a crushing knife is arranged on one side of the spiral propulsion shaft. When the synthetic raw materials are introduced into the tank body and enter the conveying cavity, the connecting rod is driven to rotate by the motor, thereby driving the multiple sets of crushing knives to perform crushing operations, and the spiral propulsion shaft is driven to crush and convey downward, thereby improving the crushing effect of the raw materials.

As a further description of the above technical solution: the crushing mechanism also includes a rotating rod, which is fixed to the outer wall of the connecting rod above the inside of the conveying chamber, and a scraper is fixed to the end of the rotating rod away from the connecting rod. When the connecting rod rotates, the rotating rod drives the scraper to fit the inner wall of the tank body to prevent the material from sticking and being difficult to slide off.

As a further description of the above technical solution: the scraper forms a rotating structure between the connecting rod and the conveying chamber, and the crushing knives are evenly distributed at equal distances about the connecting rod. There are multiple groups of crushing knives, which are staggered with the spiral propulsion shaft, which can improve the crushing effect of the raw materials.

As a further description of the above technical solution: a sleeve is fixed at one end of the conveying cavity inside the tank body, and a stirring paddle is fixed to the outer wall of the connecting rod that is attached to the sleeve. The sleeve prevents debris from falling directly onto the filter screen, and the crushed raw materials are stirred by the stirring paddle to squeeze the liquid contained in the raw materials and then separate from the sleeve to avoid waste of liquid.

The utility model has the following beneficial effects:

The utility model designs a synthesis device for ethyl pyrazolidinecarboxylate. When the crushed raw materials fall on the filter screen, they will be filtered. The liquid is guided to the solenoid valve through the guide hopper. The debris and impurities are accumulated on the filter screen. The hydraulic rod pushes the extrusion plate to squeeze the debris and impurities at the filter to avoid the waste caused by the liquid being unable to flow out. Then the connecting rod drives the pushing plate to rotate. The pushing plate fits the filter screen to rotate to avoid blockage caused by the debris and impurities. At the same time, it slides outwards through centrifugal motion and enters the collection shell for unified collection, which is convenient for the staff to clean up later.

The utility model discloses a synthetic device for ethyl pyrazolidinecarboxylate. The connecting rod is driven by a motor to drive a rotating rod to rotate, so that a scraper blade rotates in contact with a conveying cavity to avoid raw material adsorption. The spiral propulsion shaft and a crushing knife are driven to rotate, so that the raw materials are fully crushed and pushed into a sleeve. The stirring paddle is driven by the connecting rod to stir and mix the raw materials again, and the raw materials are pushed out of the sleeve and fall onto a filter net.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram of the structure of the interior of the tank of the utility model;

Figure 3 is a schematic diagram of the structure of the utility model cross section;

Figure 4 is a schematic diagram of the structure of the extruded plate of the utility model;

FIG5 is a schematic diagram of the structure of the stirring paddle of the present invention.

Legend:

1. Tank body; 2. Feed hopper; 3. Feeding mechanism; 301. Feeding hopper; 302. Filter screen; 303. Hydraulic rod; 304. Extrusion plate; 305. Connecting rod; 306. Pushing plate; 4. Collecting shell; 5. Solenoid valve; 6. Crushing mechanism; 601. Motor; 602. Conveying chamber; 603. Screw propulsion shaft; 604. Crushing knife; 605. Rotating rod; 606. Scraper; 7. Sleeve; 8. Stirring paddle.

DETAILED DESCRIPTION

1-5, the utility model provides a synthesis device for ethyl pyrazolidinecarboxylate: comprising a tank body 1, a feeding hopper 2 is provided on one side of the top of the tank body 1, and a material introduction mechanism 3 is provided inside the tank body 1;

The material guiding mechanism 3 comprises a material guiding hopper 301, which is fixed at the inner bottom end of the tank body 1, a filter screen 302 is embedded at the top of the material guiding hopper 301, a hydraulic rod 303 is embedded at the inner upper part of the tank body 1, an extrusion plate 304 is connected to the power output end of the hydraulic rod 303, a connecting rod 305 is rotatably connected to the upper part of the filter screen 302, a pushing plate 306 is fixed to the outer wall of the connecting rod 305 close to the filter screen 302, the mixed raw materials are filtered through the filter screen 302, and the solid-liquid separation is to prevent the synthesized materials from containing debris, etc., which affects the use and is led out through the conical material guiding hopper 301.

As a further implementation scheme of the above technical scheme: the push plate 306 fits tightly with the filter screen 302, and a rotating structure is formed between the push plate 306 and the filter screen 302. The connecting rod 305 is rotatably connected to the filter screen 302 through a bearing, so that the push plate 306 can fit the filter screen 302 and rotate, scrape off the adsorbed debris and impurities, and avoid blockage.

As a further implementation scheme of the above technical scheme: a collecting shell 4 is fixed on one side of the outer wall of the tank body 1, and a solenoid valve 5 is installed at the bottom end of the tank body 1. The debris impurities pushed by the pushing plate 306 move outward and are pushed into the collecting shell 4 for unified collection under the action of centrifugation, which is convenient for later cleaning, and the outflow of the synthetic liquid is controlled by opening and closing the solenoid valve 5.

During specific implementation, the raw materials required for synthesis are introduced into the tank body 1 through the feed hopper 2. After the crushing operation, the liquid and impurity debris fall on the filter screen 302 for solid-liquid separation. The liquid is guided to the solenoid valve 5 through the guide hopper 301 to control the opening and closing of the outflow. The extrusion plate 304 is pushed by the hydraulic rod 303 to squeeze the debris on the filter screen 302 to facilitate the extrusion of the contained liquid to avoid waste. The impurity debris is driven by the connecting rod 305 to push the push plate 306 to move to avoid blockage, and is pushed to the collection shell 4 for unified collection to facilitate the unified cleaning of the staff later.

As a further implementation scheme of the above technical scheme: a crushing mechanism 6 is arranged above the tank body 1, and the crushing mechanism 6 includes a motor 601, which is embedded in the top center position of the tank body 1. A conveying chamber 602 is opened on one side of the upper hydraulic rod 303 inside the tank body 1, and a connecting rod 305 penetrates into the conveying chamber 602, and a spiral propulsion shaft 603 is fixed below the outer wall, and a crushing knife 604 is arranged on one side of the spiral propulsion shaft 603. When the synthetic raw material is introduced into the tank body 1 and enters the conveying chamber 602, the connecting rod 305 is driven to rotate by the motor 601, thereby driving the set multiple crushing knives 604 to perform crushing operations, and driving the spiral propulsion shaft 603 to crush and convey it downward, thereby improving the crushing effect of the raw material.

As a further implementation scheme of the above technical scheme: the crushing mechanism 6 also includes a rotating rod 605, which is fixed to the outer wall of the connecting rod 305 above the inside of the conveying chamber 602, and a scraper 606 is fixed to the end of the rotating rod 605 away from the connecting rod 305. When the connecting rod 305 rotates, the rotating rod 605 is driven to make the scraper 606 fit the inner wall of the tank body 1 to prevent the material from sticking and being difficult to slide off.

As a further implementation scheme of the above technical scheme: the scraper 606 forms a rotating structure through the connecting rod 305 and the conveying chamber 602, the crushing knives 604 are evenly distributed at equal distances about the connecting rod 305, and the crushing knives 604 are provided in multiple groups and are staggered with the spiral propulsion shaft 603, which can improve the crushing effect of the raw materials.

As a further implementation scheme of the above technical scheme: a sleeve 7 is fixed at one end of the tank body 1 corresponding to the conveying chamber 602, and a stirring paddle 8 is fixed on the outer wall of the connecting rod 305 that is attached to the sleeve 7. The sleeve 7 prevents debris from falling directly onto the filter screen 302, and the crushed raw materials are stirred by the stirring paddle 8 to squeeze the liquid contained in the raw materials before leaving the sleeve 7 to avoid waste of the liquid.

During specific implementation, the connecting rod 305 is driven by the motor 601 to rotate, thereby driving the rotating rod 605, allowing the scraper 606 to fit inside the tank body 1 to prevent the raw material from being adsorbed and difficult to slide, and at the same time driving the spiral propulsion shaft 603 and the crushing knife 604 to crush the raw material while conveying it to avoid accumulation. The raw material then falls into the sleeve 7, and the connecting rod 305 drives the stirring paddle 8 to rotate, pushing the raw material into the sleeve 7 and falling onto the filter screen 302. At the same time, the raw material can be squeezed to avoid waste caused by the inability of the liquid to flow out.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A synthesis device of pyrazolidinecarboxylic acid ethyl ester is characterized in that; the automatic feeding device comprises a tank body (1), wherein a feeding hopper (2) is arranged at one side of the top end of the tank body (1), and a material guiding mechanism (3) is arranged in the tank body (1);

The guide mechanism (3) comprises a guide hopper (301), the guide hopper (301) is fixed at the bottom end of the inside of the tank body (1), a filter screen (302) is embedded at the top end of the guide hopper (301), a hydraulic rod (303) is embedded above the inside of the tank body (1), the power output end of the hydraulic rod (303) is connected with an extrusion plate (304), a connecting rod (305) is connected with the upper side of the filter screen (302) in a rotating mode, and a pushing plate (306) is fixed on the outer wall of the connecting rod (305) close to the filter screen (302).

2. The synthesis device of pyrazolidinecarboxylic acid ethyl ester according to claim 1, wherein: the pushing plate (306) is tightly attached to the filter screen (302), and a rotating structure is formed between the pushing plate (306) and the filter screen (302).

3. The synthesis device of pyrazolidinecarboxylic acid ethyl ester according to claim 1, wherein: the collecting shell (4) is fixed on one side of the outer wall of the tank body (1), and the electromagnetic valve (5) is installed at the bottom end of the tank body (1).

4. The synthesis device of pyrazolidinecarboxylic acid ethyl ester according to claim 1, wherein: the utility model discloses a jar of jar body (1), the top of jar body (1) is provided with crushing mechanism (6), crushing mechanism (6) include motor (601), motor (601) inlay dress is in the top central point of jar body (1), and one side of jar inside top hydraulic stem (303) of body (1) has seted up and has carried chamber (602), connecting rod (305) penetrate and are fixed with screw propulsion axle (603) below the outer wall of carrying chamber (602), and one side of screw propulsion axle (603) is provided with crushing sword (604).

5. The synthesis device of pyrazolidinecarboxylic acid ethyl ester as claimed in claim 4, wherein: the crushing mechanism (6) further comprises a rotating rod (605), the rotating rod (605) is fixed on the outer wall of the connecting rod (305) above the inside of the conveying cavity (602), and a scraping blade (606) is fixed at one end, far away from the connecting rod (305), of the rotating rod (605).

6. The synthesis device of ethyl pyrazolidinecarboxylate according to claim 5, wherein: the scraping blade (606) forms a rotating structure between the connecting rod (305) and the conveying cavity (602), and the crushing cutters (604) are uniformly distributed at equal intervals relative to the connecting rod (305).

7. The synthesis device of pyrazolidinecarboxylic acid ethyl ester according to claim 1, wherein: one end of the tank body (1) corresponding to the conveying cavity (602) is fixed with a sleeve (7), and the connecting rod (305) is attached to the outer wall of the sleeve (7) and is fixed with a stirring paddle (8).