Quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole

Abstract

The utility model relates to the technical field of chemical synthesis equipment, in particular to a quantitative feeding device for synthesizing 4-bromine-1-cyclopropyl-1H-pyrazole, which comprises a protective shell and the like, a fixing frame is mounted at the top end of the protective shell, a storage hopper and an electric push rod are fixedly connected onto the fixing frame, a second telescopic plate is mounted at the top end of the protective shell close to the fixing frame, and the second telescopic plate is fixedly connected onto the storage hopper. A lower bottom plate is fixedly connected to the telescopic end of the second telescopic plate, first telescopic plates are fixedly connected to the two opposite sides of the lower bottom plate, and a baffle and a discharging plate are slidably connected between the two first telescopic plates. According to the utility model, the electric push rod drives the material barrel to move and the baffle plate controls the material storage hopper to discharge materials, so that accurate and quantitative addition of raw materials is realized, and product quality fluctuation caused by inaccurate feeding is avoided.

Description

Technical Field

[0001] This utility model relates to the field of chemical synthesis equipment technology, and in particular to a quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole. Background Technology

[0002] In the field of fine chemicals, 4-bromo-1-cyclopropyl-1H-pyrazole is an important organic synthesis intermediate, and its synthesis process requires extremely high precision, stability and flexibility in the feeding of raw materials.

[0003] Traditional manual feeding methods suffer from drawbacks such as high labor intensity, low feeding accuracy, and susceptibility to human error, making it difficult to meet the stringent requirements of consistent product quality in industrial production. Furthermore, many existing quantitative feeding devices employ fixed-size designs, suitable only for metering and conveying raw materials of a single specification, and unable to be flexibly adjusted according to the raw materials required for different batches of production. Therefore, there is an urgent need to develop a new type of quantitative feeding device that can achieve precise metering and flexible adaptation. Utility Model Content

[0004] In order to overcome the shortcomings of poor feeding accuracy and low device adaptability in the existing technology, the technical problem is to provide a quantitative feeding device for the synthesis of 4-bromo-1-cyclopropyl-1H-pyrazole.

[0005] The technical solution of this utility model is: a quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole, comprising a protective shell, a fixed frame, a storage hopper, a baffle, a discharge plate, a material barrel, an electric push rod, a bottom plate, a first telescopic plate, a second telescopic plate, and a feed hopper. The fixed frame is installed at the top of the protective shell, and the storage hopper and the electric push rod are fixedly connected to the fixed frame. The second telescopic plate is installed at the top of the protective shell near the fixed frame. The telescopic end of the second telescopic plate is fixedly connected to the bottom plate. The first telescopic plates are fixedly connected to the opposite sides of the bottom plate. A baffle and a discharge plate are slidably connected between the two first telescopic plates. The baffle and the discharge plate are fixedly connected. A material barrel is installed at the bottom of the discharge plate. The telescopic shaft of the electric push rod is fixedly connected to the material barrel. The feed hopper is installed at the bottom plate near the material barrel.

[0006] Preferably, the device also includes a motor and a stirring rod, with the motor mounted at the center of the mounting frame and the stirring rod mounted on the motor's output shaft.

[0007] Preferably, it also includes a reaction vessel, with the reaction vessel installed inside the protective shell.

[0008] Preferably, the device also includes a pressure gauge, which is installed on the outer wall of the protective shell, with the measuring end of the pressure gauge extending into the reactor.

[0009] Preferably, a sealing cap is also included, with the top of the protective shell fitted with a sealing cap.

[0010] Preferably, the material hopper can be changed to the appropriate size according to the required volume of raw materials. The height difference between the bottom plate and the storage hopper in the vertical direction can be controlled by adjusting the height of the second telescopic plate and the first telescopic plate, thereby adapting to material hoppers of different heights.

[0011] This utility model has the following advantages:

[0012] 1. This utility model achieves precise quantitative addition of raw materials by using an electric push rod to drive the material bucket movement and a baffle to control the material discharge from the storage hopper. This avoids product quality fluctuations caused by inaccurate material addition and significantly improves the stability and product qualification rate of the synthesis of 4-bromo-1-cyclopropyl-1H-pyrazole.

[0013] 2. This utility model allows for the replacement of material buckets of different specifications according to actual production needs, and the distance between the bottom plate and the material feeding plate can be flexibly adjusted through the first and second telescopic plates, so that the material feeding plate can be stably installed with the new material bucket in a suitable position, which greatly improves the versatility and applicability of the device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a cross-sectional view of the protective shell and reaction vessel of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the quantitative feeding mechanism of this utility model.

[0017] Figure 4 This is an exploded view of the quantitative feeding mechanism of this utility model.

[0018] Explanation of reference numerals in the attached drawings: 1-protective shell, 2-pressure gauge, 3-sealing cover, 4-fixed frame, 5-motor, 6-reaction vessel, 7-stirring rod, 8-storage hopper, 9-baffle, 10-feeding plate, 11-material bucket, 12-electric push rod, 13-bottom plate, 14-first telescopic plate, 15-second telescopic plate, 16-feeding hopper. Detailed Implementation

[0019] References to embodiments herein mean that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0020] Example: A quantitative feeding device for the synthesis of 4-bromo-1-cyclopropyl-1H-pyrazole, such as... Figure 1-4 As shown, the device includes a protective shell 1, a fixing frame 4, a storage hopper 8, a baffle 9, a discharge plate 10, a material barrel 11, an electric push rod 12, a lower base plate 13, a first telescopic plate 14, a second telescopic plate 15, and a feeding hopper 16. The fixing frame 4 is installed at the top of the protective shell 1. The storage hopper 8 and the electric push rod 12 are fixedly connected to the fixing frame 4. The second telescopic plate 15 is installed at the top of the protective shell 1 near the fixing frame 4. The telescopic end of the second telescopic plate 15 is fixedly connected to the lower base plate 13. The first telescopic plates 14 are fixedly connected to the opposite sides of the lower base plate 13. The baffle 9 and the discharge plate 10 are slidably connected between the two first telescopic plates 14. The baffle 9 and the discharge plate 10 are fixedly connected. The material barrel 11 is installed at the bottom of the discharge plate 10. The telescopic shaft of the electric push rod 12 is fixedly connected to the material barrel 11. The feeding hopper 16 is installed on the lower base plate 13 near the material barrel 11.

[0021] like Figure 2 As shown, the reactor 6 is installed inside the protective shell 1, providing a stable and safe environment for the synthesis reaction, preventing the reaction from being interfered with by external factors, and ensuring the smooth progress of the reaction.

[0022] like Figure 1 As shown, a motor 5 is installed at the center of the fixed frame 4, and a stirring rod 7 is installed on the output shaft of the motor 5. The stirring rod 7 can stir the raw materials in the reaction vessel 6, accelerate the mixing of raw materials, and make the reaction more complete and faster, thereby improving the efficiency and quality of the synthesis of 4-bromo-1-cyclopropyl-1H-pyrazole.

[0023] like Figure 1 As shown, a pressure gauge 2 is installed on the outer wall of the protective shell 1. The detection end of the pressure gauge 2 extends into the reactor 6, which can monitor the pressure inside the reactor 6 in real time. This allows operators to keep track of the reaction status in a timely manner, ensuring that the reaction is carried out within a safe pressure range and avoiding dangers and quality problems caused by abnormal pressure.

[0024] like Figure 1-2 As shown, a sealing cap 3 is installed at the top of the protective shell 1 to enhance the sealing of the device, prevent the material from evaporating or leaking during the reaction process, prevent external impurities from entering the reaction vessel 6, ensure the purity of the reaction environment, and help improve product quality.

[0025] like Figure 3-4 As shown, the material hopper 11 can be changed to the appropriate size according to the required volume of raw materials. The height difference between the bottom plate 13 and the storage hopper 8 in the vertical direction can be controlled by adjusting the height of the second telescopic plate 15 and the first telescopic plate 14, thereby adapting to material hoppers 11 of different heights, enhancing the versatility and flexibility of the device, and meeting the needs of different production scales and raw material consumption.

[0026] The raw materials for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole are loaded into multiple storage hoppers 8. Initially, the electric push rod 12 is in a retracted state, with the discharge plate 10 located at the bottom of the storage hopper 8. Under gravity, the raw materials flow from the storage hopper 8 into the material container 11 connected to the bottom of the discharge plate 10 until each container is full, completing the quantitative storage. Then, the electric push rod 12 extends, and its output shaft pushes the material container 11 away from the storage hopper 8. Simultaneously, it moves the baffle 9, which is fixedly connected to the material container 11, towards the storage hopper 8, blocking the outlet of the storage hopper 8 and preventing further outflow of raw materials. The material container 11, along with the raw materials inside, slides along the bottom plate 13 until it moves above the feed hopper 16. At this point, the raw materials fall into the reactor 6 through the feed hopper 16. Subsequently, the motor 5 is started, driving the stirring rod 7 to rotate at high speed, thoroughly stirring the raw materials in the reactor 6 to accelerate the reaction. The material hopper 11 can be changed to the appropriate size according to the required volume of raw materials. When it is necessary to change the material hopper 11 to a different height, first adjust the second telescopic plate 15 to adjust the bottom plate 13 to a suitable height to reserve space for the installation of the new material hopper 11. Then, the distance between the bottom plate 13 and the material discharge plate 10 is changed by extending and retracting the first telescopic plate 14 so that the material discharge plate 10 can be stably installed with the new material hopper 11 in a suitable position. Finally, the telescopic shaft of the electric push rod 12 is connected to the material hopper 11.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that variations may be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole, characterized in that: The system includes a protective shell (1), a fixing frame (4), a storage hopper (8), a baffle (9), a discharge plate (10), a material bucket (11), an electric push rod (12), a bottom plate (13), a first telescopic plate (14), a second telescopic plate (15), and a feeding hopper (16). The fixing frame (4) is installed at the top of the protective shell (1), and the storage hopper (8) and the electric push rod (12) are fixedly connected to the fixing frame (4). The second telescopic plate (15) is installed at the top of the protective shell (1) near the fixing frame (4). The telescopic end of the shrink plate (15) is fixedly connected to the bottom plate (13), and the opposite sides of the bottom plate (13) are fixedly connected to the first telescopic plate (14). The two first telescopic plates (14) are slidably connected to the baffle (9) and the feeding plate (10). The baffle (9) and the feeding plate (10) are fixedly connected. The bottom end of the feeding plate (10) is equipped with a material bucket (11). The telescopic shaft of the electric push rod (12) is fixedly connected to the material bucket (11). The bottom plate (13) is equipped with a feeding hopper (16) near the material bucket (11).

2. The quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole as described in claim 1, characterized in that: It also includes a motor (5) and a stirring rod (7). The motor (5) is installed at the center of the fixing frame (4), and the stirring rod (7) is installed on the output shaft of the motor (5).

3. The quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole as described in claim 2, characterized in that: It also includes a reaction vessel (6), and the reaction vessel (6) is installed inside the protective shell (1).

4. The quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole as described in claim 3, characterized in that: It also includes a pressure gauge (2), which is installed on the outer wall of the protective shell (1), with the detection end of the pressure gauge (2) extending into the reactor (6).

5. The quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole as described in claim 4, characterized in that: It also includes a sealing cap (3), and the top of the protective shell (1) is fitted with a sealing cap (3).

6. The quantitative feeding device for synthesizing 4-bromo-1-cyclopropyl-1H-pyrazole as described in claim 5, characterized in that: The material bucket (11) can be changed to the appropriate size according to the required volume of raw materials. The height difference between the bottom plate (13) and the storage hopper (8) in the vertical direction can be controlled by adjusting the height of the second telescopic plate (15) and the first telescopic plate (14), so as to adapt to material buckets (11) of different heights.

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