CN216139477U

CN216139477U - Crushing and screening device for dry-method granulator

Info

Publication number: CN216139477U
Application number: CN202122027131.7U
Authority: CN
Inventors: 徐曙
Original assignee: Jiangyin Yuchen Machinery Manufacturing Co ltd
Current assignee: Jiangyin Yuchen Machinery Manufacturing Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-29
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to a crushing and screening device for a dry-method granulator, which comprises an upper compression roller, a lower scraper, a crushing table and a granule finishing wheel; an upper scraper is arranged on the side surface of the upper compression roller, and a lower scraper is arranged on the side surface of the lower compression roller; a cutting groove which penetrates through the lower scraper up and down is formed in the lower scraper, a crank connecting rod mechanism is arranged below the lower scraper, a second rotating shaft is installed on the crank connecting rod mechanism, a cutting blade is fixed on a sliding rod of the crank connecting rod mechanism, and the cutting blade is arranged in the cutting groove; a crushing table is fixed on the side surface of the lower scraper, a crushing groove is formed in the crushing table, a first rotating shaft is arranged beside the crushing table, and a crushing blade is mounted on the first rotating shaft; a whole grain wheel is arranged in the mounting frame, a plurality of adjusting shafts are uniformly arranged on the outer edge of the whole grain wheel, a whole grain knife is arranged on each adjusting shaft, one end of each whole grain knife is connected with one end of each adjusting rod, and the other end of each adjusting rod is connected with an adjusting wheel disc; the utility model can shear the material in both horizontal and vertical directions and adjust the whole grain angle.

Description

Crushing and screening device for dry-method granulator

Technical Field

The utility model relates to the technical field of mechanical equipment of a dry-method granulator, in particular to a crushing and screening device for the dry-method granulator.

Background

With the development of science and technology, the fields of medicine, industrial chemistry and the like are also updated and iterated rapidly, and the dry granulation machine is widely used in the fields of medicine and chemistry and has the advantages of high efficiency, no influence of temperature and humidity in the granulation process, high quality of finished products and the like, and is not easy to damp. The dry granulating machine firstly mixes the medicines, the diluent, the disintegrant, the lubricant and the like according to the mixing method of the powder, then leads the powder to be capable of uniformly completing prepressing work through a feeding procedure and a vertical feeding procedure, then enters a tabletting procedure, rolls the medicine powder into thin slices through a compression roller, and finally enters a crushing and finishing procedure to cut, screen and round the thin slices.

Crushing the sieve particles to form a sheet by rolling of a compression roller, then cutting the sheet into small particles by a crushing process, and finally carrying out a granule finishing process to carry out granule finishing and crushing on the small particles and screening the granules from a screen; however, the existing crushing mechanism only has one longitudinal crushing action, and the crushed particles have larger size and uneven length-width ratio; in addition, the angle of impact of a granule on a granule straightening knife in the existing granule straightening process cannot be adjusted, so that the granule straightening angle and force of the granule cannot be adjusted, the granule cannot be accurately straightened according to the size of the required granule, and the efficiency is low; therefore, the existing production and use industries of dry granulators need a crushing and screening device for dry granulators, which can shear materials transversely and longitudinally in two directions and adjust the granulating angle.

Disclosure of Invention

The utility model aims to overcome the defects and provide the crushing and screening device for the dry-method granulator, which can shear the materials in the transverse and longitudinal directions and adjust the granulation angle.

The purpose of the utility model is realized as follows:

a crushing and screening device for a dry-method granulator comprises an upper compression roller, a lower compression roller, a metal shell, a lower scraper, a crushing table, a crushing blade, a cutting blade, a screen and a granulating wheel; the upper compression roller and the lower compression roller are arranged in an up-and-down symmetrical mode; an upper scraper is arranged on the side surface of the upper compression roller, and a lower scraper is arranged on the side surface of the lower compression roller; a cutting groove which penetrates through the lower scraper up and down is formed in the lower scraper, a crank connecting rod mechanism is arranged below the lower scraper, a second rotating shaft is mounted on the crank connecting rod mechanism, a cutting blade is fixed on a sliding rod of the crank connecting rod mechanism, and the cutting blade is arranged in the cutting groove; a crushing table is fixed on the side surface of the lower scraper, a plurality of crushing grooves are formed in the crushing table, a first rotating shaft is arranged beside the crushing table, and crushing blades corresponding to the crushing grooves are mounted on the first rotating shaft; the upper scraper, the lower scraper, the crushing table, the first rotating shaft and the second rotating shaft are all arranged in the metal shell and are fixed on the inner wall of the metal shell; an installation frame is arranged below the metal shell, a granulating wheel is arranged in the installation frame, a plurality of adjusting shafts are uniformly installed on the outer edge of the granulating wheel, a granulating knife is arranged on each adjusting shaft, one end of each granulating knife is connected with one end of an adjusting rod, and the other end of each adjusting rod is connected with an adjusting wheel disc; and a layer of screen is laid between the mounting frame and the granulating wheel.

The utility model relates to a crushing and screening device for a dry-method granulator.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a crushing and screening device for a dry method granulator, which comprises a lower scraper, a crushing table and a granulating wheel, wherein a cutting groove which penetrates through the lower scraper up and down is formed in the lower scraper; the first rotating shaft rotates to drive the crushing blade to rotate to pass through the crushing groove, the sheet transversely cut by the cutting blade is pushed onto the crushing table by the subsequent sheet, and the crushing blade longitudinally crushes the sheet on the crushing groove; the slices can be made into small particles with more uniform length and width after being transversely cut and longitudinally crushed, so that the subsequent rounding is facilitated; evenly install a plurality of regulating axles on the outer fringe of whole grain wheel, be provided with a whole grain sword on every regulating axle, the one end of adjusting the pole is connected to the one end of whole grain sword, adjusts the other end connection regulation rim plate of pole, can drive the regulation pole through rotating and fixing the regulation rim plate, then makes whole grain sword round the regulating axle rotation, adjusts whole grain angle of whole grain sword to can adjust broken whole grain angle and dynamics, realize the accurate whole grain to different particle size.

Drawings

Fig. 1 is a schematic structural diagram of a crushing and screening device for a dry-process granulator according to the present invention.

Fig. 2 is a top view of a crushing and screening device for a dry granulator according to the present invention.

Fig. 3 is a schematic structural diagram of a lower scraper and a crushing table in a crushing and screening device for a dry granulator according to the present invention.

Wherein: the device comprises an upper press roll 1, a lower press roll 2, a metal shell 3, an upper scraper 4, a lower scraper 5, a crushing table 6, a first rotating shaft 7, a crushing blade 8, a crank link mechanism 9, a cutting blade 10, a second rotating shaft 11, a mounting frame 12, a screen 13, a granulating cutter 14, an adjusting rotating shaft 15, an adjusting rod 16, an adjusting wheel disc 17, a front fixing block 18, a rear fixing block 19, a press roll motor 20, a speed adjusting box 21, a crushing motor 22, a cutting groove 23, a crushing groove 24, a belt 25 and a granulating wheel 26.

Detailed Description

Referring to fig. 1 to 3, the crushing and screening device for the dry granulator according to the present invention includes an upper press roll 1, a lower press roll 2, a metal shell 3, a lower scraper 5, a crushing table 6, a crushing blade 8, a cutting blade 10, a screen 13, and a granulating wheel 26; the upper compression roller 1 and the lower compression roller 2 are arranged in an up-down symmetrical mode, a compression roller motor 20 is arranged beside the upper compression roller 1 and the lower compression roller 2, an output shaft of the compression roller motor 20 is connected with a speed regulating box 21, an output shaft of the speed regulating box 21 is respectively connected with the upper compression roller 1 and the lower compression roller 2, and the upper compression roller 1 and the lower compression roller 2 can be driven to rotate and used for rolling powder into a sheet shape;

the side surface of the upper compression roller 1 is provided with an upper scraper 4 which can scrape the thin sheet adhered on the upper compression roller 1 onto a platform of a lower scraper 5, and the side surface of the lower compression roller 2 is provided with a lower scraper 5 which can scrape the thin sheet adhered on the lower compression roller 2 onto the platform of the lower scraper 5; a cutting groove 23 which penetrates through the lower scraper 5 up and down is formed in the lower scraper 5, a crank connecting rod mechanism 9 is arranged below the lower scraper 5, a second rotating shaft 11 is mounted on the crank connecting rod mechanism 9, a cutting blade 10 is fixed on a sliding rod of the crank connecting rod mechanism 9, the cutting blade 10 is arranged in the cutting groove 23, and the sliding rod of the crank connecting rod mechanism 9 can be driven to move up and down by the rotation of the second rotating shaft 11, so that the cutting blade 10 is driven to move up and down in the cutting groove 23, and a slice on a platform of the lower scraper 5 is transversely cut; a crushing table 6 is fixed on the side surface of the lower scraper 5, a plurality of crushing grooves 24 are formed in the crushing table 6, a first rotating shaft 7 is arranged beside the crushing table 6, a crushing blade 8 corresponding to the crushing grooves 24 is mounted on the first rotating shaft 7, and the first rotating shaft 7 can drive the crushing blade 8 to rotate to pass through the crushing grooves 24; the slices transversely cut by the cutting blade 10 are pushed onto the crushing table 6 by the subsequent slices, and the crushing blade 8 longitudinally crushes the slices positioned on the crushing groove 24; the slices can be made into small particles with more uniform length and width after being transversely cut and longitudinally crushed, so that the subsequent rounding is facilitated;

the upper scraper 4, the lower scraper 5, the crushing table 6, the first rotating shaft 7 and the second rotating shaft 11 are all arranged inside the metal shell 3 and fixed on the inner wall of the metal shell 3; a crushing motor 22 is mounted on the outer wall of the metal shell 3, an output shaft of the crushing motor 22 is connected with a first rotating shaft 7, one end of a belt 25 is sleeved on the first rotating shaft 7, and the other end of the belt 25 is sleeved on a second rotating shaft 11, so that the crushing motor 22 can drive a crushing blade 8 to rotate to perform longitudinal crushing and drive a cutting blade 10 to reciprocate up and down to perform transverse cutting;

an installation frame 12 is arranged below the metal shell 3, a front fixing block 18 and a rear fixing block 19 are respectively arranged on the front side and the rear side of the installation frame 12, and the installation frame is connected with the metal shell 3 through the front fixing block 18 and the rear fixing block 19; the installation frame 12 is internally provided with a granulating wheel 26, the outer edge of the granulating wheel 26 is uniformly provided with a plurality of adjusting shafts 15, each adjusting shaft 15 is provided with a granulating knife 14, one end of the granulating knife 14 is connected with one end of the adjusting rod 16, the other end of the adjusting rod 16 is connected with the adjusting wheel disc 17, the adjusting rod 16 can be driven by rotating and fixing the adjusting wheel disc 17, then the granulating knife 14 rotates around the adjusting shaft 15, the granulating angle of the granulating knife 14 is adjusted, the angle and the force for crushing and granulating can be adjusted, and accurate granulating of different particle sizes is realized; a layer of screen 13 is laid between the mounting frame 12 and the granule adjusting wheel 26, the granule adjusting wheel 26 drives the granule adjusting knife 14 to rotate, small particles easily pass through the screen 13 under the extrusion of the granule adjusting knife 14, no damage occurs, and large particles are continuously extruded and crushed into small particles.

In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims

1. A crushing and screening device for a dry-method granulator comprises an upper press roll (1), a lower press roll (2), a metal shell (3), a lower scraper (5), a crushing table (6), a crushing blade (8), a cutting blade (10), a screen (13) and a granulating wheel (26); the upper compression roller (1) and the lower compression roller (2) are arranged in an up-down symmetrical mode; an upper scraper (4) is arranged on the side surface of the upper compression roller (1), and a lower scraper (5) is arranged on the side surface of the lower compression roller (2); a cutting groove (23) which penetrates through the lower scraper (5) up and down is formed in the lower scraper (5), a crank connecting rod mechanism (9) is arranged below the lower scraper (5), a second rotating shaft (11) is mounted on the crank connecting rod mechanism (9), a cutting blade (10) is fixed on a sliding rod of the crank connecting rod mechanism (9), and the cutting blade (10) is arranged in the cutting groove (23); a crushing table (6) is fixed on the side surface of the lower scraper (5), a plurality of crushing grooves (24) are formed in the crushing table (6), a first rotating shaft (7) is arranged beside the crushing table (6), and crushing blades (8) corresponding to the crushing grooves (24) are mounted on the first rotating shaft (7); the upper scraper (4), the lower scraper (5), the crushing table (6), the first rotating shaft (7) and the second rotating shaft (11) are all arranged inside the metal shell (3) and fixed on the inner wall of the metal shell (3); an installation frame (12) is arranged below the metal shell (3), a granulating wheel (26) is arranged in the installation frame (12), a plurality of adjusting shafts (15) are uniformly installed on the outer edge of the granulating wheel (26), each adjusting shaft (15) is provided with a granulating knife (14), one end of each granulating knife (14) is connected with one end of an adjusting rod (16), and the other end of each adjusting rod (16) is connected with an adjusting wheel disc (17); and a layer of screen (13) is laid between the mounting frame (12) and the granulating wheel (26).

2. The crushing and screening device for the dry granulator according to claim 1, wherein: the automatic pressing device is characterized in that a pressing roller motor (20) is arranged beside the upper pressing roller (1) and the lower pressing roller (2), an output shaft of the pressing roller motor (20) is connected with a speed regulating box (21), and an output shaft of the speed regulating box (21) is respectively connected with the upper pressing roller (1) and the lower pressing roller (2).

3. The crushing and screening device for the dry granulator according to claim 1, wherein: install broken motor (22) on the outer wall of metal casing (3), the first pivot (7) of output shaft of broken motor (22), the cover is equipped with the one end of belt (25) on first pivot (7), and the other pot head of belt (25) is established on second pivot (11).

4. The crushing and screening device for the dry granulator according to claim 1, wherein: the front side and the rear side of the mounting rack (12) are respectively provided with a front fixing block (18) and a rear fixing block (19), and are connected with the metal shell (3) in an installing mode through the front fixing block (18) and the rear fixing block (19).