A feeding device for pharmaceutical intermediates

Abstract

The utility model provides a kind of feeding device of pharmaceutical intermediate, including feeding box and the feeding pipe being communicated in the bottom of feeding box, further including the filter plate being fixed on the top of inner wall of feeding box, the surface of the filter plate is equipped with several filter hole bodies, the top of the left and right sides of feeding box is fixed with the tableland. The utility model has cleaning function, by the one-to-one correspondence of mesh hole is inserted to clean up to clean up, cleaning rod can be directly inserted into mesh hole, and the raw material of specific cleaning is blocked, the patency of filter screen is recovered quickly, and the feeding interruption time caused by mesh hole blockage is reduced, and the cleaning rod can be accurately inserted into mesh hole inside, directly act on the raw material of blockage, cleaning effect is more thorough, and the raw material blocked in mesh hole can be pushed out by cleaning rod, so that it reenters feeding system, reduces the raw material wasted due to cleaning, and improves the utilization of raw material.

Description

Technical Field

[0001] This utility model belongs to the field of pharmaceutical intermediate production technology, specifically a feeding device for pharmaceutical intermediates. Background Technology

[0002] Pharmaceutical intermediates are actually chemical raw materials or products used in the process of drug synthesis. These chemical products do not require a drug production license and can be produced in ordinary chemical plants. As long as they meet certain standards, they can be used in drug synthesis. Feeding devices are required in the production and processing of pharmaceutical intermediates.

[0003] A search revealed a feeding device for powdered pharmaceutical intermediates, application number CN202320955647.4. During the feeding process, the extrusion plate presses the pharmaceutical intermediate raw material on the filter screen. While this can crush large particles of pharmaceutical intermediates, it easily leads to clogging of the filter screen's mesh. When the pharmaceutical intermediate raw material is extruded, powder may enter the filter screen's mesh, especially when the raw material contains fine particles or powder. These substances are more likely to penetrate and accumulate in the mesh, causing blockage. Filter screen blockage hinders the normal passage of raw materials, reducing feeding efficiency. To ensure smooth feeding, workers need to frequently clean the filter screen, which not only increases labor costs but may also cause production interruptions, affecting production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a feeding device for pharmaceutical intermediates to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A feeding device for pharmaceutical intermediates includes a feeding box and a feeding pipe connected to the bottom of the feeding box, and a filter plate fixed to the upper part of the inner wall of the feeding box. The surface of the filter plate is provided with a plurality of filter holes. Supports are fixed above the left and right sides of the feeding box. A hydraulic cylinder is fixed to the top surface of the support. A connecting block is fixed to the top of the output shaft of the hydraulic cylinder. A lifting frame is fixed between the connecting blocks. An extrusion plate is fixed to the bottom of the lifting frame. The surface of the extrusion plate is provided with a plurality of through holes.

[0007] An adjustment structure is movably connected to the upper part of the inner wall of the lifting frame. A movable plate is provided below the adjustment structure, and several cleaning rod bodies are fixed on the bottom surface of the movable plate.

[0008] Preferably, the adjusting structure includes a threaded rod, a motor, bevel gears, a moving plate, and a push rod. The threaded rod is rotatably connected to the upper part inside the lifting frame. The motor is fixed in the middle of the top of the lifting frame. The output shaft of the motor passes through the lifting frame and is rotatably connected to the lifting frame. The bevel gears are respectively fixed to the right side of the surface of the threaded rod and the bottom end of the motor output shaft. The bevel gears mesh with each other. The moving plate is arranged on the left and right sides inside the lifting frame. The push rod is hinged to the bottom of the moving plate.

[0009] Preferably, the threads on the left and right sides of the threaded rod surface are arranged in opposite directions, the threaded rod passes through the movable plates on the left and right sides and is threadedly connected to the movable plates, the push rod is inclined as a whole, and the bottom end of the push rod is hinged to the surface of the top of the movable plate.

[0010] Preferably, a guide block is fixed to the top surface of the movable plate, and guide rails are fixed to the left and right sides of the top of the inner wall of the lifting frame, with the guide block and the guide rails being slidably connected.

[0011] Preferably, the bottom end of the cleaning rod body is attached to the inner wall of the through hole and slidably connected to the inner wall of the through hole, and the position of the through hole on the surface of the extrusion plate body corresponds to the position of the filter hole body on the surface of the filter plate.

[0012] Preferably, the inner wall of the lifting frame has limit grooves on both the left and right sides, and the movable plate has limit blocks fixed on both the left and right sides. One side of the limit block extends into the interior of the limit groove and slides in connection with the inner wall of the limit groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention features a cleaning function. The device cleans blockages by inserting cleaning rods that correspond one-to-one with the mesh openings. The cleaning rods can be directly inserted into the mesh openings to specifically clean the blocked raw materials, quickly restoring the unobstructed flow of the filter screen and reducing feeding interruption time caused by mesh blockage. The cleaning rods can be precisely inserted into the mesh openings, directly acting on the blocked raw materials for a more thorough cleaning effect. The cleaning rods can also push out the raw materials blocked in the mesh openings, allowing them to re-enter the feeding system, reducing material waste during cleaning and improving material utilization. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective;

[0017] Figure 3 This is a three-dimensional schematic diagram of the lifting frame in this utility model;

[0018] Figure 4 This is a cross-sectional view of the lifting frame in this utility model.

[0019] In the diagram: 1. Feeding box; 2. Feeding pipe; 3. Filter plate; 4. Filter hole body; 5. Support platform; 6. Hydraulic cylinder; 7. Connecting block; 8. Lifting frame; 9. Extrusion plate body; 10. Through hole; 11. Adjustment structure; 111. Threaded rod; 112. Motor; 113. Bevel gear; 114. Moving plate; 115. Push rod; 12. Movable plate; 13. Cleaning rod body; 14. Guide block; 15. Guide rail; 16. Limiting groove; 17. Limiting block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 and Figure 2 As shown, this utility model embodiment provides a feeding device for pharmaceutical intermediates, specifically including a feeding box 1, a feeding pipe 2 connected to the bottom of the feeding box 1, a filter plate 3 fixed above the inner wall of the feeding box 1, a plurality of filter hole bodies 4 opened on the surface of the filter plate 3, a support platform 5 fixed above the left and right sides of the feeding box 1, a hydraulic cylinder 6 fixed on the top surface of the support platform 5, a connecting block 7 fixed at the top of the output shaft of the hydraulic cylinder 6, a lifting frame 8 fixed between the connecting blocks 7, a pressing plate body 9 fixed at the bottom of the lifting frame 8, a plurality of through holes 10 opened on the surface of the pressing plate body 9, an adjusting structure 11 movably connected above the inner wall of the lifting frame 8, a movable plate 12 provided below the adjusting structure 11, and a plurality of cleaning rod bodies 13 fixed on the bottom surface of the movable plate 12.

[0022] In this embodiment, when the worker pours the pharmaceutical intermediate raw material into the feeding box 1, the raw material falls above the filter plate 3. The worker then opens the hydraulic cylinders 6 on both sides, causing the output shaft of the hydraulic cylinders 6 to drive the connecting block 7 to descend, thus lowering the entire extrusion plate body 9. At this point, the bottom of the cleaning rod body 13 is level with the bottom of the extrusion plate body 9, thereby sealing the through holes 10 on the surface of the extrusion plate body 9 through the cleaning rod body 13. After the extrusion plate body 9 falls, it will extrude the pharmaceutical intermediate raw material on the surface of the filter plate 3, so that the pharmaceutical intermediate... The raw material quickly passes through the filter body 4, and then the pharmaceutical intermediate raw material is fed through the feeding pipe 2 below. When the filter body 4 becomes clogged and needs to be cleaned, the operator turns on the motor 112 above, which causes the movable plate 12 to descend. The cleaning rod body 13 passes through the through hole 10 on the surface of the extrusion plate body 9. Then the operator controls the extrusion plate body 9 to fall as a whole, and the cleaning rod body 13 will insert into the filter body 4 on the surface of the filter plate 3, thereby pushing out the pharmaceutical intermediate raw material that is blocked inside the filter body 4, completing the cleaning operation of the device.

[0023] Please see Figure 3 and Figure 4 As shown, the adjustment structure 11 specifically includes a threaded rod 111, a motor 112, a bevel gear 113, a moving plate 114, and a push rod 115. The threaded rod 111 is rotatably connected to the upper part of the inside of the lifting frame 8. The motor 112 is fixed to the middle of the top of the lifting frame 8, and the output shaft of the motor 112 passes through the lifting frame 8 and is rotatably connected to it. The bevel gear 113 is fixed to the right side of the surface of the threaded rod 111 and the bottom end of the output shaft of the motor 112, respectively, and the bevel gears 113 mesh with each other. The moving plate 114 is arranged on the left and right sides inside the lifting frame 8, and the push rod 115 is hinged to the bottom of the moving plate 114. The thread directions on the left and right sides of the surface of the threaded rod 111 are opposite. The threaded rod 111 passes through the moving plates 114 on the left and right sides and is threadedly connected to them. The push rod 115 is inclined as a whole, and the bottom end of the push rod 115 is hinged to the top surface of the moving plate 12. Specifically in this embodiment, when the motor 112 is turned on, the output shaft of the motor 112 will drive the bevel gear 113 to rotate. Since the bevel gears 113 mesh with each other, the threaded rod 111 will rotate, and the moving plates 114 on the left and right sides of the surface of the threaded rod 111 will move, thereby causing the push rod 115 below to move. The push rod 115 will push the moving plate 12 below to move, so as to adjust the position of the cleaning rod body 13.

[0024] Please see Figure 3 and Figure 4As shown, a guide block 14 is fixed to the top surface of the movable plate 114, and guide rails 15 are fixed to the left and right sides of the top of the inner wall of the lifting frame 8. The guide block 14 and the guide rail 15 are slidably connected. When the threaded rod 111 rotates, the movable plates 114 on the left and right sides are guided by the guide block 14. The guide block 14 moves on the surface of the guide rail 15, thereby causing the movable plate 114 to slide horizontally to adjust the position of the lower movable plate 12. The bottom end of the cleaning rod body 13 is attached to the inner wall of the through hole 10 and slidably connected to the inner wall of the through hole 10. The position of the through hole 10 on the surface of the extrusion plate body 9 corresponds to the position of the filter hole body 4 on the surface of the filter plate 3. When the movable plate 12 descends, the movable plate 12 will push the cleaning rod body 13 to descend, thereby causing the bottom end of the cleaning rod body 13 to penetrate the through hole 10. Then, the entire extrusion plate body 9 descends, causing the cleaning rod body 13 to insert into the interior of the lower filter hole body 4, pushing out the blocky lumpy material inside the filter hole body 4, thereby cleaning the interior of the feeding device.

[0025] Please see Figure 3 and Figure 4 As shown, limit grooves 16 are provided on both the left and right sides of the inner wall of the lifting frame 8, and limit blocks 17 are fixed on both the left and right sides of the movable plate 12. One side of the limit block 17 extends into the interior of the limit groove 16 and slides in connection with the inner wall of the limit groove 16. When the movable plate 12 moves up and down, the limit block 17 also moves inside the limit groove 16. The setting of the limit block 17 and the limit groove 16 can improve the stability of the movable plate 12 when it moves up and down.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can 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 feeding device for pharmaceutical intermediates, comprising a feeding box (1) and a feeding pipe (2) connected to the bottom of the feeding box (1), characterized in that: It also includes a filter plate (3) fixed above the inner wall of the feeding box (1), the surface of the filter plate (3) is provided with a number of filter hole bodies (4), the upper sides of the left and right sides of the feeding box (1) are fixed with a support platform (5), the top surface of the support platform (5) is fixed with a hydraulic cylinder (6), the top end of the output shaft of the hydraulic cylinder (6) is fixed with a connecting block (7), the connecting blocks (7) are fixed with a lifting frame (8), the bottom of the lifting frame (8) is fixed with a pressing plate body (9), the surface of the pressing plate body (9) is provided with a number of through holes (10), the adjusting structure (11) is movably connected above the inner wall of the lifting frame (8), the lower part of the adjusting structure (11) is provided with a movable plate (12), the bottom surface of the movable plate (12) is fixed with a number of cleaning rod bodies (13).

2. The feeding device for pharmaceutical intermediates according to claim 1, characterized in that: The adjustment structure (11) includes a threaded rod (111), a motor (112), a bevel gear (113), a moving plate (114), and a push rod (115). The threaded rod (111) is rotatably connected to the upper part inside the lifting frame (8). The motor (112) is fixed in the middle of the top of the lifting frame (8). The output shaft of the motor (112) passes through the lifting frame (8) and is rotatably connected to the lifting frame (8). The bevel gear (113) is fixed to the right side of the surface of the threaded rod (111) and the bottom end of the output shaft of the motor (112). The bevel gears (113) mesh with each other. The moving plate (114) is set on the left and right sides inside the lifting frame (8). The push rod (115) is hinged to the bottom of the moving plate (114).

3. The feeding device for pharmaceutical intermediates according to claim 2, characterized in that: The threaded directions on the left and right sides of the surface of the threaded rod (111) are opposite. The threaded rod (111) passes through the movable plates (114) on the left and right sides and is threadedly connected to the movable plates (114).

4. The feeding device for pharmaceutical intermediates according to claim 2, characterized in that: The push rod (115) is inclined as a whole, and the bottom end of the push rod (115) is hinged to the surface of the top of the movable plate (12).

5. The feeding device for pharmaceutical intermediates according to claim 2, characterized in that: The top surface of the movable plate (114) is fixed with a guide block (14), and the top left and right sides of the inner wall of the lifting frame (8) are fixed with guide rails (15). The guide block (14) and the guide rails (15) are slidably connected.

6. The feeding device for pharmaceutical intermediates according to claim 1, characterized in that: The bottom end of the cleaning rod body (13) is attached to the inner wall of the through hole (10) and is slidably connected to the inner wall of the through hole (10). The position of the through hole (10) on the surface of the extrusion plate body (9) corresponds to the position of the filter hole body (4) on the surface of the filter plate (3).

7. The feeding device for pharmaceutical intermediates according to claim 1, characterized in that: Limiting grooves (16) are provided on both the left and right sides of the inner wall of the lifting frame (8), and limiting blocks (17) are fixed on both the left and right sides of the movable plate (12).

8. The feeding device for pharmaceutical intermediates according to claim 7, characterized in that: One side of the limiting block (17) extends into the interior of the limiting groove (16) and slides in connection with the inner wall of the limiting groove (16).

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