Crushing mechanism for crushing drug intermediates

Abstract

The utility model discloses a crushing mechanism for crushing drug intermediates, which comprises a base, a first support rod and a second support rod are symmetrically and fixedly arranged at the top of the base, a crushing cylinder is arranged between the first support rod and the second support rod, and a crushing assembly for crushing the drug intermediates is arranged in the crushing cylinder. A connecting cylinder is fixedly arranged at the top of the crushing cylinder, a sealing cover is arranged at the top of the connecting cylinder, the peripheral surface of the crushing cylinder is fixedly sleeved with an annular mounting frame, a first connecting shaft and a second connecting shaft are symmetrically and fixedly arranged on the annular mounting frame, and a driving assembly for driving the crushing cylinder to move up and down is arranged on a first supporting rod; the driving assembly is rotationally connected with the first connecting shaft, a rack is vertically and fixedly arranged on the second supporting rod, the second connecting shaft is fixedly sleeved with a gear, and the gear is connected with the rack in an engaged mode. The crushing barrel is driven by one driving source to move up and down in a reciprocating mode and turn over at the same time, the manufacturing cost is reduced, operation is easy, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing drug intermediates, in particular to a crushing mechanism for crushing drug intermediates. Background Art

[0002] The so-called drug intermediates are actually some chemical raw materials or chemical products used in the process of drug synthesis. This kind of chemical product does not require a drug production license and can be produced in an ordinary chemical plant. As long as it reaches a certain level, it can be used in the synthesis of drugs. In the production process of drug intermediates, the raw materials of drug intermediates need to be crushed.

[0003] A Chinese patent document with publication number CN220215163U discloses a pulverizing mechanism for pulverizing pharmaceutical intermediates, including a bottom plate, two symmetrical and longitudinal fixed rods are fixedly connected to one side of the top of the bottom plate, a mounting plate is slidably sleeved on the two fixed rods, a pulverizing cylinder with an open top is arranged on the front of the mounting plate, and a sealing cover fixed by a lock is hinged on the top of the pulverizing cylinder, a shredding assembly for cutting and pulverizing the pharmaceutical intermediate raw material is arranged in the pulverizing cylinder, and a shaking assembly for making the mounting plate reciprocate up and down is arranged on the bottom plate. The shaking assembly drives the pulverizing cylinder to reciprocate up and down, and after the raw materials in the pulverizing cylinder are pulverized, it is necessary to adjust the assembly to drive the pulverizing cylinder to flip 180 degrees, so that the sealing cover can be opened to discharge the processed raw materials.

[0004] The disadvantage of the above disclosed solution is that one driving source cannot simultaneously drive the grinding cylinder to move up and down and to turn over, resulting in a relatively high manufacturing cost of the device and complicated operation, which reduces work efficiency. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a pulverizing mechanism for pulverizing drug intermediates, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulverizing mechanism for pulverizing pharmaceutical intermediates, comprising a base, a first support rod and a second support rod symmetrically arranged are fixedly arranged on the top of the base, a pulverizing barrel is arranged between the first support rod and the second support rod, a pulverizing assembly for pulverizing the pharmaceutical intermediate is arranged in the pulverizing barrel, a connecting barrel connected to the interior of the pulverizing barrel is fixedly arranged on the top of the pulverizing barrel, a sealing cover is threadedly connected to the top of the connecting barrel, an annular mounting frame is fixedly sleeved on the outer circumference of the pulverizing barrel, a first connecting shaft and a second connecting shaft symmetrically arranged are fixedly arranged on the outer circumference of the annular mounting frame, a driving assembly for driving the pulverizing barrel to move up and down is arranged on the first support rod, the driving assembly is rotatably connected to the first connecting shaft, a rack is vertically fixedly arranged on the second support rod, a gear is fixedly sleeved on the second connecting shaft, and the gear is meshingly connected to the rack.

[0007] Furthermore, the crushing assembly includes a second motor and a rotating shaft, the rotating shaft is rotatably arranged in the crushing barrel, and a plurality of groups of shredding knives are evenly and fixedly arranged on the outer peripheral surface of the rotating shaft and along its longitudinal direction, the second motor is fixedly arranged at the bottom of the crushing barrel, and the output end of the second motor passes through the crushing barrel and is fixedly connected to the rotating shaft.

[0008] Furthermore, each group of shredder blades has four blades, which are arranged in an array along the circumference of the outer surface of the rotating shaft, and are located in the same plane.

[0009] Furthermore, the driving assembly includes a first motor and a screw rod, the first support rod is provided with a slide groove along its longitudinal direction, the screw rod is longitudinally rotatably arranged in the slide groove, the outer surface of the screw rod is threadedly connected with a sliding block, the sliding block is slidably connected to the slide groove, one side of the sliding block is rotatably connected to the first connecting shaft, the first motor is fixedly arranged on the top of the first support rod, and the output end of the first motor passes through the first support rod and is fixedly connected to the screw rod.

[0010] Furthermore, the second support rod is provided with a through hole along its longitudinal direction, and the rack is longitudinally fixedly disposed in the through hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The drive assembly is rotatably connected to the first connecting shaft, and a gear is fixedly sleeved on the second connecting shaft, and the gear is meshed with the rack. Start the first motor, the first motor drives the screw to rotate, the screw drives the slide to move along the slide slot, and the sliding block drives the crushing barrel and the gear to move together. And by changing the rotation direction of the output end of the first motor, the crushing barrel can be driven to move up and down. Since the gear is meshed with the rack, during the process of the gear moving up and down, the gear will drive the second connecting shaft to rotate, the second connecting shaft drives the annular mounting frame to rotate, and the annular mounting frame drives the crushing barrel to flip back and forth, so that the raw materials in the crushing barrel are flipped back and forth, so that the raw materials are crushed more thoroughly. Thus, by starting the first motor, the crushing barrel can be driven to move back and forth up and down, and the crushing barrel can be flipped at the same time, which reduces the manufacturing cost, is simple to operate, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of a pulverizing tube of the utility model structure.

[0015] In the figure: 1. base; 2. first support rod; 3. sliding block; 4. slide groove; 5. screw rod; 6. first motor; 7. crushing cylinder; 8. second support rod; 9. rack; 10. gear; 11. through hole; 12. annular mounting frame; 13. rotating shaft; 14. blade; 15. sealing cover; 16. connecting cylinder; 17. first connecting shaft; 18. second motor; 19. second connecting shaft. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 2 The utility model provides a technical solution: a pulverizing mechanism for pulverizing drug intermediates, comprising a base 1, a first support rod 2 and a second support rod 8 symmetrically arranged are fixedly mounted on the upper surface of the base 1, a pulverizing cylinder 7 is installed between the first support rod 2 and the second support rod 8, and a pulverizing assembly for pulverizing the drug intermediate is installed in the pulverizing cylinder 7.

[0018] The pulverizing assembly includes a rotating shaft 13 and a second motor 18. The rotating shaft 13 is rotatably mounted in the pulverizing cylinder 7, and the rotating shaft 13 is arranged along the axial direction of the pulverizing cylinder 7. Multiple groups of shredder knives are fixedly mounted on the outer surface of the rotating shaft 13, and the multiple groups of shredder knives are evenly arranged up and down along the longitudinal direction of the rotating shaft 13. Each group of shredder knives has four blades 14, and the four blades 14 are arranged in an array along the circumferential direction of the outer surface of the rotating shaft 13, and the four blades 14 are located in the same plane.

[0019] The second motor 18 is fixedly mounted on the bottom of the grinding cylinder 7 , and the output end of the second motor 18 passes through the grinding cylinder 7 and is fixedly mounted with the rotating shaft 13 .

[0020] A connecting tube 16 connected to the inside of the pulverizing tube 7 is fixedly installed on the top of the connecting tube 16, and a sealing cap 15 is threadedly installed on the top of the connecting tube 16. The sealing cap 15 can be removed to facilitate the addition of the drug intermediate into the pulverizing tube 7. An annular mounting frame 12 is fixedly sleeved on the outer circumference of the pulverizing tube 7, and a symmetrically arranged first connecting shaft 17 and a second connecting shaft 19 are fixedly installed on the outer circumference of the annular mounting frame 12. A driving assembly that drives the pulverizing tube 7 to move up and down is installed on the first support rod 2, and the driving assembly is rotatably mounted with the first connecting shaft 17.

[0021] The driving assembly includes a first motor 6 and a screw 5. The first support rod 2 is provided with a slide groove 4 along its longitudinal direction. The screw 5 is longitudinally rotatably installed in the slide groove 4. A sliding block 3 is slidably installed in the slide groove 4. The screw 5 passes through the sliding block 3 and is threadedly installed with the sliding block 3. One side of the sliding block 3 is rotatably installed with one end of the first connecting shaft 17. The first motor 6 is fixedly installed on the top of the first support rod 2, and the output end of the first motor 6 passes through the first support rod 2 and is fixedly installed with the screw 5.

[0022] In other embodiments, the driving assembly includes an electric push rod, which is fixedly mounted on the top of the first support rod 2, and the telescopic end of the electric push rod passes through the first support rod 2 and is fixedly mounted with the sliding block 3. The electric push rod drives the sliding block 3 to move up and down, so that the sliding block 3 drives the crushing cylinder 7 to move up and down, thereby achieving the purpose of shaking the crushing cylinder 7 up and down.

[0023] The second support rod 8 is provided with a through hole 11 along its longitudinal direction, and the through hole 11 corresponds to the position of the slide slot 4, and the through hole 11 is consistent with the length of the slide slot 4. A rack 9 is longitudinally fixedly installed on one side of the through hole 11, and the end of the second connecting shaft 19 away from the annular mounting frame 12 is in the through hole 11 and fixedly sleeved with a gear 10, which is meshed and connected with the rack 9.

[0024] The working principle of a pulverizing mechanism for pulverizing a pharmaceutical intermediate provided by the utility model is as follows:

[0025] In the initial state, the gear 10 is located at the lowest end of the rack 9, and the crushing cylinder 7 is in a vertical state.

[0026] When in use, the sealing cover 15 is removed from the connecting tube 16, and then the raw material is added into the crushing tube 7 through the connecting tube 16, and the sealing cover 15 is screwed on the top of the connecting tube 16. The second motor 18 is started, and the second motor 18 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the blade 14 to rotate, so that the blade 14 crushes the raw material.

[0027] At the same time, the first motor 6 is started, the first motor 6 drives the screw rod 5 to rotate, the screw rod 5 drives the sliding block 3 to move upward along the slide slot 4, and the sliding block 3 drives the first connecting shaft 12, the annular mounting frame 12, the crushing barrel 7, the second connecting shaft 19 and the gear 10 to move upward together. By changing the rotation direction of the output end of the first motor 6, the crushing barrel 7 can be driven to move up and down to achieve the purpose of shaking the crushing barrel 7 up and down, so that the raw materials in the crushing barrel 7 are constantly shaken up and down in the crushing barrel 7 while being shredded, thereby improving the crushing efficiency.

[0028] Since the gear 10 is meshed with the rack 9, the gear 10 will drive the second connecting shaft 19 to rotate during the up and down movement of the gear 10, and the second connecting shaft 19 will drive the annular mounting frame 12 to rotate, and the annular mounting frame 12 will drive the crushing barrel 7 to flip back and forth, thereby causing the raw materials in the crushing barrel 7 to flip back and forth, so that the raw materials are crushed more thoroughly, further improving the efficiency of raw material crushing, and allowing the raw materials to be fully crushed.

[0029] When discharging the raw materials in the crushing barrel 7, the gear 10 moves along the rack 9 to the top. At this time, the crushing barrel 7 is just turned 180 degrees, and then the sealing cover 15 is screwed and removed from the connecting barrel 16, so that the crushed raw materials in the crushing barrel 7 are discharged through the connecting barrel 16.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulverizing mechanism for pulverizing a pharmaceutical intermediate, comprising a base (1), characterized in that: A symmetrically arranged first support rod (2) and a second support rod (8) are fixedly arranged on the top of the base (1); a pulverizing cylinder (7) is arranged between the first support rod (2) and the second support rod (8); a pulverizing assembly for pulverizing the drug intermediate is arranged in the pulverizing cylinder (7); a connecting cylinder (16) communicating with the inside of the pulverizing cylinder (7) is fixedly arranged on the top of the pulverizing cylinder (7); a sealing cover (15) is threadedly connected to the top of the connecting cylinder (16); an annular mounting frame (12) is fixedly sleeved on the outer circumference of the pulverizing cylinder (7); a symmetrically arranged first connecting shaft (17) and a second connecting shaft (19) are fixedly arranged on the outer circumference of the annular mounting frame (12); a driving assembly for driving the pulverizing cylinder (7) to move up and down is arranged on the first support rod (2); the driving assembly is rotatably connected to the first connecting shaft (17); a rack (9) is vertically fixedly arranged on the second support rod (8); a gear (10) is fixedly sleeved on the second connecting shaft (19); the gear (10) is meshingly connected to the rack (9).

2. The pulverizing mechanism for pulverizing a pharmaceutical intermediate according to claim 1, characterized in that: The pulverizing assembly comprises a second motor (18) and a rotating shaft (13); the rotating shaft (13) is rotatably arranged in the pulverizing cylinder (7); a plurality of groups of shredding knives are evenly and fixedly arranged on the outer peripheral surface of the rotating shaft (13) and along its longitudinal direction; the second motor (18) is fixedly arranged at the bottom of the pulverizing cylinder (7); and the output end of the second motor (18) passes through the pulverizing cylinder (7) and is fixedly connected to the rotating shaft (13).

3. The pulverizing mechanism for pulverizing a pharmaceutical intermediate according to claim 2, characterized in that: Each group of chopping knives has four blades (14), which are arranged in an array along the circumference of the outer surface of the rotating shaft (13), and are located in the same plane.

4. The pulverizing mechanism for pulverizing a pharmaceutical intermediate according to claim 1, characterized in that: The driving assembly comprises a first motor (6) and a screw rod (5); a first support rod (2) is provided with a slide groove (4) along its longitudinal direction; the screw rod (5) is longitudinally rotatably arranged in the slide groove (4); a sliding block (3) is threadedly connected to the outer surface of the screw rod (5); the sliding block (3) is slidably connected to the slide groove (4); one side of the sliding block (3) is rotatably connected to the first connecting shaft (17); the first motor (6) is fixedly arranged on the top of the first support rod (2); and the output end of the first motor (6) passes through the first support rod (2) and is fixedly connected to the screw rod (5).

5. The pulverizing mechanism for pulverizing a pharmaceutical intermediate according to claim 1, characterized in that: The second support rod (8) is provided with a through hole (11) along its longitudinal direction, and the rack (9) is longitudinally fixedly arranged in the through hole (11).

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