Accurate feeding system for preparing p-chlorophenylglycine

Abstract

The utility model discloses an accurate feeding system for preparing p-chlorophenylglycine, which comprises a feeding bin, a feeding screw cylinder communicated with the feeding bin is arranged at the bottom of the feeding bin, a feeding screw is arranged in the feeding screw cylinder, a crushing main shaft arranged along the vertical direction is mounted at the bottom of an inner cavity of the feeding bin, and a plurality of crushing rods are fixedly mounted at the upper part of the crushing main shaft. The lower part of the crushing main shaft penetrates into a gear box, and a transmission shaft penetrates through the side part of the gear box; two opposite flashboards are mounted above the crushing rod, the flashboards penetrate through the side wall of the feeding bin, and the opposite outer ends of the two flashboards are connected with an air cylinder; and a sieve plate is arranged below the crushing rod and is fixedly connected to the inner wall of the feeding bin. The accurate feeding system for preparing p-chlorophenylglycine provided by the utility model can solve the problem of inaccurate feeding caused by caking of materials, and ensures the accurate proportioning of the materials.

Description

Technical Field

[0001] The utility model relates to a precise feeding system for preparing p-chlorophenylglycine, belonging to the technical field of material feeding. Background Art

[0002] Chlorfenapyr, also known as chlorfenapyr, is a new type of pyrrole compound, which has stomach poison and contact killing effects. The intermediate p-chlorophenylglycine is needed in the synthesis process of chlorfenapyr, and p-chlorophenylglycine needs to be used in the preparation process, such as methanol, ammonia water, sodium cyanide, chlorobenzaldehyde and ammonium bicarbonate.

[0003] Among them, the ammonium bicarbonate material needs to be fed into the reactor in batches through the feeding device. However, the ammonium bicarbonate material will agglomerate due to moisture absorption during storage and transportation, affecting the precise operation of the feeding process. Sometimes the measured powder cannot all enter the reactor, affecting the precise ratio of the materials, and then affecting the quality of the final product, and even causing the product to be scrapped.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] The utility model aims at the deficiencies in the background technology and provides a precise feeding system for preparing p-chlorophenylglycine, which can solve the problem of inaccurate feeding due to material agglomeration and ensure the precise proportion of the materials.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The precise feeding system for preparing p-chlorophenylglycine comprises a feeding bin, a feeding screw barrel connected to the feeding bin is provided at the bottom of the feeding bin, and a feeding screw rod is provided inside the feeding screw barrel;

[0008] A crushing main shaft arranged in a vertical direction is installed at the bottom of the inner cavity of the feeding bin, a plurality of crushing rods are fixedly installed on the upper part of the crushing main shaft, the lower part of the crushing main shaft is inserted into the gear box, and a transmission shaft is inserted into the side of the gear box;

[0009] Two gate plates facing each other are installed above the crushing rod, the gate plates penetrate the side wall of the feeding bin, and the facing outer ends of the two gate plates are connected to the cylinder; a sieve plate is provided below the crushing rod, and the sieve plate is fixed to the inner wall of the feeding bin.

[0010] Furthermore, the feeding screw barrel is arranged in the horizontal direction, and the end of the feeding screw and the output shaft of the motor are driven by a sprocket.

[0011] Furthermore, two upper and lower bearing seats are installed inside the gear box, and the bearing seats provide rotational support for the crushing main shaft.

[0012] Furthermore, a bevel gear set is provided between the crushing main shaft and the transmission shaft. The bevel gear set is located inside the gear box. The bevel gear set includes a meshingly connected driving bevel gear and a driven bevel gear. The driving bevel gear is fixedly mounted on the end of the transmission shaft, and the driven bevel gear is mounted on the crushing main shaft, and the driven bevel gear is located between two bearing seats.

[0013] Furthermore, the transmission shaft is rotatably mounted on the side wall of the feeding bin in a horizontal direction, and the transmission shaft and the feeding screw are driven by a sprocket.

[0014] Furthermore, the gear box is fixedly mounted on the bottom of the inner cavity of the feeding bin, and the periphery of the gear box is connected to the inner wall of the feeding bin via a plurality of evenly distributed support rods.

[0015] Furthermore, a guide plate is provided on the top of the gear box.

[0016] Furthermore, a support seat is provided at the bottom of the cylinder, and the support seat is fixedly connected to the outer wall of the feeding bin.

[0017] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0018] The ammonium bicarbonate material in the feeding bin enters the top of the sieve plate in batches under the action of two gate plates. The material entering the top of the sieve plate is crushed to a suitable particle size under the action of the crushing rod, and all the agglomerated materials are crushed. The crushed material passes through the sieve plate and enters the feeding screw barrel. Under the action of the feeding screw, precise feeding is performed to avoid inaccurate feeding due to material agglomeration and ensure accurate material ratio.

[0019] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 yes Figure 1 A partial enlarged view of the structure.

[0022] In the figure, 1-feeding bin, 2-feeding screw barrel, 3-feeding screw, 4-transmission shaft, 5-crushing main shaft, 6-crushing rod, 7-screen plate, 8-gear box, 9-support rod, 10-bearing seat, 11-bevel gear set, 12-guide plate, 13-gate plate, 14-cylinder, 15-support seat, 16-motor. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0024] like Figure 1 and Figure 2 As shown together, the utility model provides a precise feeding system for preparing p-chlorophenylglycine, including a feeding bin 1, a feeding screw barrel 2 connected to the feeding bin 1 is provided at the bottom, the feeding screw barrel 2 is arranged in a horizontal direction, a feeding screw rod 3 is provided inside the feeding screw barrel 2, and the end of the feeding screw rod 3 is connected to the output shaft of the motor 16 through a sprocket transmission.

[0025] A crushing main shaft 5 arranged in the vertical direction is installed at the bottom of the inner cavity of the feeding bin 1, and a plurality of crushing rods 6 are fixedly installed on the upper part of the crushing main shaft 5. The lower part of the crushing main shaft 5 is penetrated into the gear box 8, and a transmission shaft 4 is penetrated on the side of the gear box 8.

[0026] Two upper and lower bearing seats 10 are installed inside the gear box 8 , and the bearing seats 10 support the pulverizing main shaft 5 for rotation.

[0027] A bevel gear set 11 is provided between the crushing main shaft 5 and the transmission shaft 4. The bevel gear set 11 is located inside the gear box 8. The bevel gear set 11 includes a driving bevel gear and a driven bevel gear that are meshed and connected. The driving bevel gear is fixedly mounted on the end of the transmission shaft 4, and the driven bevel gear is mounted on the crushing main shaft 5, and the driven bevel gear is located between two bearing seats 10.

[0028] The transmission shaft 4 is rotatably mounted on the side wall of the feeding bin 1 in a horizontal direction, and the transmission shaft 4 and the feeding screw 3 are driven by a sprocket.

[0029] The gear box 8 is fixedly mounted on the bottom of the inner cavity of the feeding bin 1 , and the gear box 8 is connected to the inner wall of the feeding bin 1 via a plurality of evenly distributed support rods 9 .

[0030] A guide plate 12 is provided on the top of the gear box 8 , and the guide plate 12 is used to guide the material to the surroundings to prevent the material from entering the gear box 8 .

[0031] Two gate plates 13 facing each other are installed above the pulverizing rod 6 , and a sieve plate 7 is provided below the pulverizing rod 6 . The sieve plate 7 is fixed to the inner wall of the feeding bin 1 .

[0032] The gate plates 13 are arranged to penetrate the side wall of the feeding bin 1, and the outer ends of the two gate plates 13 facing each other are connected to the cylinder 14. The cylinder 14 drives the gate plates 13 to move horizontally, and the cylinder 14 controls the flow of materials by driving the movement of the gate plates 13.

[0033] A support base 15 is provided at the bottom of the cylinder 14 , and the support base 15 is fixedly connected to the outer wall of the feeding bin 1 .

[0034] The specific working principle of this utility model:

[0035] The motor 16 drives the feeding screw 3 to rotate through the sprocket transmission, the feeding screw 3 drives the transmission shaft 4 to rotate through the sprocket transmission, and the transmission shaft 4 drives the crushing main shaft 5 and the crushing rod 6 to rotate through the bevel gear set 11.

[0036] The ammonium bicarbonate material in the feeding bin 1 enters the upper part of the sieve plate 7 in batches under the action of the two gate plates 13. The material entering the upper part of the sieve plate 7 is crushed to a suitable particle size under the action of the crushing rod 6, and all the agglomerated materials are crushed. The crushed material passes through the sieve plate 7 and enters the feeding screw barrel 2, and the feeding action is performed accurately under the action of the feeding screw 3.

[0037] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A precise feeding system for preparing p-chlorophenylglycine, characterized in that: It comprises a feeding bin (1), wherein a feeding screw barrel (2) connected to the feeding bin (1) is provided at the bottom thereof, and a feeding screw rod (3) is provided inside the feeding screw barrel (2); A pulverizing main shaft (5) arranged in a vertical direction is installed at the bottom of the inner cavity of the feeding bin (1); a plurality of pulverizing rods (6) are fixedly installed on the upper part of the pulverizing main shaft (5); the lower part of the pulverizing main shaft (5) is inserted into a gear box (8); and a transmission shaft (4) is inserted into the side of the gear box (8); Two gate plates (13) arranged opposite to each other are installed above the crushing rod (6), the gate plates (13) penetrate the side wall of the feeding bin (1), and the facing outer ends of the two gate plates (13) are connected to the cylinder (14); a sieve plate (7) is provided below the crushing rod (6), and the sieve plate (7) is fixed to the inner wall of the feeding bin (1).

2. The precise feeding system for preparing p-chlorophenylglycine according to claim 1, characterized in that: The feeding screw barrel (2) is arranged in the horizontal direction, and the end of the feeding screw rod (3) and the output shaft of the motor (16) are driven by a sprocket.

3. The precise feeding system for preparing p-chlorophenylglycine according to claim 2, characterized in that: Two upper and lower bearing seats (10) are installed inside the gear box (8), and the bearing seats (10) provide rotational support for the crushing main shaft (5).

4. The precise feeding system for preparing p-chlorophenylglycine according to claim 3, characterized in that: A bevel gear set (11) is provided between the pulverizing main shaft (5) and the transmission shaft (4), the bevel gear set (11) being located inside the gear box (8), the bevel gear set (11) comprising a driving bevel gear and a driven bevel gear which are meshingly connected, the driving bevel gear being fixedly mounted on the end of the transmission shaft (4), the driven bevel gear being mounted on the pulverizing main shaft (5), and the driven bevel gear being located between the two bearing seats (10).

5. The precise feeding system for preparing p-chlorophenylglycine according to claim 4, characterized in that: The transmission shaft (4) is rotatably mounted on the side wall of the feeding bin (1) in a horizontal direction, and the transmission shaft (4) and the feeding screw (3) are driven by a sprocket.

6. The precise feeding system for preparing p-chlorophenylglycine according to claim 1, characterized in that: The gear box (8) is fixedly mounted on the bottom of the inner cavity of the feeding bin (1), and the periphery of the gear box (8) is connected to the inner wall of the feeding bin (1) via a plurality of evenly distributed support rods (9).

7. The precise feeding system for preparing p-chlorophenylglycine according to claim 1, characterized in that: A guide plate (12) is provided on the top of the gear box (8).

8. The precise feeding system for preparing p-chlorophenylglycine according to claim 1, characterized in that: A support seat (15) is provided at the bottom of the cylinder (14), and the support seat (15) is fixedly connected to the outer wall of the feeding bin (1).

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