CN220310516U - Feeding mechanism and pulverizer - Google Patents

Abstract

The utility model discloses a feeding mechanism and a pulverizer. An extrusion cavity inside the feed box is provided with an upper extrusion roller and a lower extrusion roller distributed up and down, and the lower extrusion roller is driven by a motor; the extrusion cavity There is a scraping roller on the left side of the bottom. The surface of the scraping drum is equipped with a soft scraping plate. There is a pushing block on the right side of the bottom of the extrusion chamber. The lower extrusion roller drives the upper extrusion roller and scraping material through the transmission mechanism. roller and pushing block; the work of one motor of the utility model can realize the driving of the upper extrusion roller, the lower extrusion roller, the scraping roller and the pushing block at the same time, saving the investment cost of the motor equipment; in the scraping roller When rotating, the scraping plate on it scrapes the crushed medicinal raw materials, which can prevent the crushed medicinal raw materials from being blocked at the bottom of the extrusion chamber. When the pushing block moves out from the left end of the chute, the pushing block Pushing the crushed medicinal raw materials at the bottom of the extrusion cavity can further prevent the crushed medicinal raw materials from clogging at the bottom of the extrusion cavity.

Description

A feeding mechanism and crusher

Technical field

The utility model relates to the technical field of feeding mechanisms, specifically a feeding mechanism and a pulverizer.

Background technique

In the pharmaceutical process, the medicinal raw materials need to be fed and crushed. If the medicinal raw materials are crushed directly, the crushing effect may not be good. Therefore, the medicinal raw materials need to be pre-extruded, but this will lead to the extrusion of the raw materials. The raw materials of medicinal materials are blocked in the feeding mechanism, causing the discharging to be unsmooth. For this reason, we have introduced a feeding mechanism and crusher.

Utility model content

The purpose of this utility model is to provide a feeding mechanism and a pulverizer to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a feeding mechanism, including a feeding box, the extrusion cavity inside the feeding box is provided with an upper extrusion roller and a lower extrusion roller distributed up and down, And the lower squeeze roller is driven by a motor;

There is a scraping roller on the left side of the bottom of the extrusion cavity, and a soft scraping plate is provided on the surface of the scraping drum. There is a push block on the right side of the bottom of the extrusion cavity, and the lower extrusion roller is driven by a transmission mechanism. Upper squeeze roller, scraping roller and pushing block;

The upper extrusion roller and the scraping drum rotate to squeeze the raw materials that have just entered the extrusion cavity. The scraping drum rotates to scrape the extruded raw materials. Combined with the leftward movement of the pushing block, the extruded raw materials are squeezed. The pushing effect of the raw materials causes the extruded raw materials to fall to the conveyor belt;

The pushing block is slidably connected to the chute on the right side of the extrusion chamber, and a brush is provided on the left side of the top of the chute, and the lower end of the brush is close to the upper surface of the pushing block.

In addition, in order to achieve the above object, the present invention also provides a pulverizer including the feeding mechanism.

Compared with the existing technology, the beneficial effects of the present utility model are: through the setting of the transmission mechanism, the utility model enables the work of one motor to realize the upper extrusion roller, the lower extrusion roller, the scraping roller and the pushing block at the same time. The drive saves the investment cost of motor equipment;

The lower squeezing roller and the upper squeezing roller realize the squeezing of medicinal raw materials. After crushing the medicinal raw materials, it is beneficial to improve the subsequent crushing efficiency of the pulverizer;

Under the rotation of the scraping drum, the scraping plate on it scrapes the crushed medicinal raw materials, which can prevent the crushed medicinal raw materials from being blocked at the bottom of the extrusion cavity. At the same time, when the scraping drum rotates, the drive The pushing block reciprocates left and right in the chute. When the pushing block moves and extends from the left end of the chute, the pushing block pushes the crushed medicinal raw materials at the bottom of the extrusion chamber, which can further prevent The medicinal raw materials are blocked at the bottom of the extrusion cavity;

When the pushing block moves to the right and retracts into the chute, under the action of the spring elastic force, the lower end of the brush is close to the upper surface of the pushing block, and the brush sweeps the medicinal raw materials accumulated on the upper surface of the pushing block to the Squeeze cavity, which can prevent the medicinal raw materials accumulated on the upper surface of the pushing block from entering the chute.

Description of the drawings

Figure 1 is a schematic diagram of the overall three-dimensional structure of the utility model;

Figure 2 is an exploded structural diagram of the connection between the pushing block and the transmission mechanism of the utility model;

Figure 3 is a schematic side view of the structure of the utility model;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 3 of the present invention.

In the picture: 1. Support legs; 2. Transport frame; 3. Conveyor belt; 4. Motor; 5. Upper squeeze roller; 6. Feed box; 7. Transmission mechanism; 71. Upper gear; 72. Lower gear; 73. First pulley; 74. Belt; 75. Transmission rod; 76. Second pulley; 8. Pushing block; 9. Connecting seat; 10. Lower squeeze roller; 11. Scraping roller; 12. Soft scraper Material plate; 13. Limiting block; 14. Extrusion chamber; 15. Limiting groove; 16. Chute; 17. Spring; 18. Vertical groove; 19. Brush; 20. Buffer spring.

Detailed ways

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

Please refer to Figures 1-4. The present utility model provides a technical solution: a feeding mechanism, including a feeding box 6. A transport rack 2 is provided on the left side of the bottom of the feeding box 6, and a conveyor belt 3 is provided on In the transport rack 2, the left side of the lower end of the transport rack 2 and the right side of the lower end of the feed box 6 are provided with legs 1, and the right side of the conveyor belt 3 extends into the inside of the feed box 6.

The extrusion chamber 14 inside the feed box 6 is provided with an upper extrusion roller 5 and a lower extrusion roller 10 distributed up and down, and the lower extrusion roller 10 is driven by a motor 4;

The motor 4 is fixed on the outer wall of the rear end of the feed box 6 , and the rear end of the lower squeeze roller 10 penetrates the feed box 6 and is connected to the rotating shaft at the output end of the motor 4 .

There is a scraping roller 11 on the left side of the bottom of the extrusion chamber 14, and a soft scraping plate 12 is provided on the surface of the scraping drum 11. A pushing block 8 is provided on the right side of the bottom of the extrusion cavity 14, and the downward extrusion The pressure roller 10 drives the upper squeeze roller 5, the scraping roller 11 and the pushing block 8 through the transmission mechanism 7;

The transmission mechanism 7 includes an upper gear 71 and a lower gear 72 respectively connected after the front ends of the upper extrusion roller 5 and the lower extrusion roller 10 penetrate the feed box 6 and a transmission rod 75 movably connected at both ends of the scraping drum 11;

A first pulley 73 is fixed in the middle of the front and rear ends of the lower gear 72, and the two ends of the scraping drum 11 are connected to the second pulley 76 after passing through the feed box 6, and the first pulley 73 is connected to the second pulley 76 through a belt 74;

One end of the transmission rod 75 is movably connected to the side of the second pulley 76 through a pin, and the other end of the transmission rod 75 is movably connected to the connection seats 9 at both ends of the pushing block 8 through a pin.

The upper squeezing roller 5 and the scraping drum 11 rotate to squeeze the raw materials that have just entered the extrusion chamber 14. The scraping drum 11 rotates to scrape the extruded raw materials, and the pushing block 8 moves to the left. The pushing effect on the extruded raw materials causes the extruded raw materials to fall to the conveyor belt 3;

The pushing block 8 is slidably connected to the chute 16 on the right side of the extrusion chamber 14, and a brush 19 is provided on the left side of the top of the chute 16. The top of the brush 19 is inserted into the vertical groove 18, and the brush 19 The top is connected to the top of the vertical groove 18 through a spring 17. Under the elastic force of the spring 17, the lower end of the brush 19 is close to the upper surface of the pushing block 8.

When the push block 8 moves and extends from the left end of the chute 16, since the front and rear walls of the feed box 6 are provided with opening slots for the connecting seat 9 to extend, a limiting block 13 is provided in the middle of the upper end of the push block 8, The limit block 13 is slidably connected to the limit groove 15 inside the feed box 6 , and a buffer spring 20 is connected to the left end of the limit block 13 . Under the action of the buffer spring 20, it plays a buffering role when the pushing block 8 moves to the left.

In addition, in order to achieve the above object, the present invention also provides a pulverizer including the feeding mechanism.

Specifically, during use, the motor 4 works to drive the lower extrusion roller 10 to rotate clockwise. Since the front ends of the upper extrusion roller 5 and the lower extrusion roller 10 penetrate the upper gear 71 and the lower gear 72 respectively connected behind the feed box 6, And when the upper gear 71 and the lower gear 72 mesh, the upper squeeze roller 5 rotates counterclockwise;

Since the first pulley 73 is fixed in the middle of the front and rear ends of the lower gear 72, the two ends of the scraping drum 11 are connected to the second pulley 76 after passing through the feed box 6, and the first pulley 73 is connected to the second pulley 76 through the belt 74, then The scraping drum 11 rotates clockwise;

Since one end of the transmission rod 75 is movably connected to the side of the second pulley 76 through a pin, and the other end of the transmission rod 75 is movably connected to the connecting seats 9 at both ends of the pushing block 8 through a pin, when the scraping roller 11 rotates, the pusher is driven The material block 8 reciprocates left and right in the chute 16;

The medicinal raw materials are put into the extrusion cavity 14 in the feed box 6. Under the rotation of the lower extrusion roller 10 and the upper extrusion roller 5, the lower extrusion roller 10 and the upper extrusion roller 5 realize the extrusion of the medicinal raw materials. , crush the medicinal raw materials;

Then the crushed medicinal raw materials fall. When the scraping drum 11 rotates clockwise, the scraping plate 12 on the scraping drum 11 scrapes the crushed medicinal raw materials, so that the crushed medicinal raw materials fall smoothly to Conveyor belt 3, and transport the feed box 6 out via the conveyor belt 3;

Under the rotation of the scraping drum 11, the scraping plate 12 on it scrapes the crushed medicinal raw materials, which can prevent the crushed medicinal raw materials from being blocked at the bottom of the extrusion cavity 14. At the same time, the scraping drum 11 rotates Under such circumstances, the pushing block 8 is driven to reciprocate left and right in the chute 16. When the pushing block 8 moves and extends from the left end of the chute 16, the pushing block 8 presses the crushed medicinal raw materials at the bottom of the extrusion chamber 14. Pushing, this can further prevent the crushed medicinal raw materials from clogging at the bottom of the extrusion chamber 14;

When the pushing block 8 moves to the right and retracts into the chute 16, under the elastic force of the spring 17, the lower end of the brush 19 is close to the upper surface of the pushing block 8, and the brush 19 will push the upper surface of the pushing block 8 The accumulated medicinal raw materials are swept down to the extrusion chamber 14 , which prevents the accumulated medicinal raw materials on the upper surface of the pushing block 8 from entering the chute 16 .

The lower squeezing roller 10 and the upper squeezing roller 5 realize the squeezing of the medicinal raw materials. After the medicinal raw materials are crushed, it is beneficial to improve the subsequent crushing efficiency of the pulverizer for the medicinal raw materials.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A feeding mechanism, including a feeding box (6), characterized in that: the extrusion chamber (14) inside the feeding box (6) is provided with upper extrusion rollers (5) distributed up and down and The lower squeeze roller (10) is driven by the motor (4); A scraping roller (11) is provided on the left side of the bottom of the extrusion chamber (14), a pushing block (8) is provided on the right side of the bottom of the extrusion chamber (14), and the lower extrusion roller (10) is driven by The mechanism (7) drives the upper squeeze roller (5), scraping roller (11) and pushing block (8); The upper squeeze roller (5) and scraping drum (11) rotate to squeeze the raw materials that have just entered the extrusion chamber (14), and the scraping drum (11) rotates to scrape the extruded raw materials. Combined with the pushing effect of the push block (8) moving to the left on the extruded raw materials, the extruded raw materials fall to the conveyor belt (3); The pushing block (8) is slidably connected to the chute (16) on the right side of the extrusion chamber (14), and a brush (19) is provided on the left side of the top of the chute (16). The lower end of the brush (19) Close to the upper surface of the pushing block (8). 2. A feeding mechanism according to claim 1, characterized in that: the motor (4) is fixed on the outer wall of the rear end of the feeding box (6), and the rear end of the lower extrusion roller (10) penetrates the feeding mechanism. The material box (6) is connected to the rotating shaft at the output end of the motor (4). 3. A feeding mechanism according to claim 1, characterized in that the transmission mechanism (7) includes an upper extrusion roller (5) and a lower extrusion roller (10) whose front ends penetrate the feed box (6) The upper gear (71) and the lower gear (72) are respectively connected at the rear and the transmission rod (75) movably connected at both ends of the scraping drum (11), and the upper gear (71) and the lower gear (72) mesh; A first pulley (73) is fixed in the middle of the front and rear ends of the lower gear (72), and the two ends of the scraping drum (11) are connected to a second pulley (76) after passing through the feed box (6), and the first pulley (76) is connected to the lower gear (72). 73) Connected to the second pulley (76) through the belt (74); One end of the transmission rod (75) is movably connected to the side of the second pulley (76) through a pin, and the other end of the transmission rod (75) is movably connected to the connecting seats (9) at both ends of the pushing block (8) through a pin. 4. A feeding mechanism according to claim 3, characterized in that: the front and rear walls of the feeding box (6) are provided with opening slots for the connecting seats (9) to extend, and the pushing blocks (8 ) is provided with a limit block (13) in the middle of the upper end, and the limit block (13) is slidably connected to the limit groove (15) inside the feed box (6). The left end of the limit block (13) is connected with a buffer spring (20) ). 5. A feeding mechanism according to claim 1, characterized in that: a transport rack (2) is provided on the left side of the bottom of the feed box (6), and the conveyor belt (3) is arranged on the transport rack (2) 2), the left side of the lower end of the transport frame (2) and the right side of the lower end of the feed box (6) are equipped with legs (1), and the right side of the conveyor belt (3) extends into the feed box (6). )internal. 6. A pulverizer, characterized by comprising a feeding mechanism as claimed in any one of claims 1-5.