Sieving device with conveying mechanism for levocarnitine bulk drug production

Abstract

The invention provides a levocarnitine raw material medicine production screening device with a material conveying mechanism, and relates to the technical field of levocarnitine raw material medicine production device.The levocarnitine raw material medicine production screening device comprises a supporting frame, a flow guide pipe, a spring, a first-stage filter sieve and a second long plate, the flow guide pipe and a first air inlet connector are installed on the side face of the supporting frame, and the spring is arranged above the supporting frame; a first-stage filter sieve, a second-stage filter sieve and a third-stage filter sieve are sequentially installed above the spring, first dust collection connectors are installed above the first-stage filter sieve, the second-stage filter sieve and the third-stage filter sieve, a cover plate is arranged above the third-stage filter sieve, a first motor, a conveying pipe and an auger are installed above the cover plate, and a second motor is installed above the first motor. According to the equipment, the surface of the outer side of a first dust collection connector is sleeved with threads, a hose can be used as a flow guide ventilation part, and the equipment is light in mass, low in cost and high in reliability; and enough discharging air pressure is provided for equipment.

Description

Technical Field

[0001] The invention relates to the technical field of L-carnitine raw material medicine production equipment, in particular to a screening device with a feeding mechanism for L-carnitine raw material medicine production. Background Art

[0002] The screening device for the production of L-carnitine API is a type of pharmaceutical raw material screening device. Compared with general screening devices, pharmaceutical screening devices have higher mesh requirements and standards. However, the screening device for the production of L-carnitine API still has some shortcomings, such as:

[0003] A drug screening device described in application number: CN202323607686.4, since the device is not equipped with a booster device, during use, the fine drug particles are easily stuck in the gaps of the screen, and cause blockage during continuous use, requiring manual troubleshooting, which not only consumes human resources but also delays production. Summary of the invention

[0004] The object of the present invention is to provide a screening device for the production of L-carnitine raw material medicine with a feeding mechanism, so as to solve the problem that the equipment on the existing market is not provided with a booster device as mentioned in the above background technology. During use, the fine drug particles are easily stuck in the gaps of the screen, and blockage is caused during continuous use, which requires manual troubleshooting, which not only wastes human resources but also delays production.

[0005] To achieve the above object, the present invention provides the following technical solutions: a screening device for L-carnitine API production with a feeding mechanism, comprising a support frame, a flow guide pipe, a spring, a primary filter screen and a fan blade;

[0006] A guide pipe and a first air inlet interface are installed on the side of the support frame, and a spring is arranged above the support frame, a first-level filter screen, a second-level filter screen and a third-level filter screen are installed above the spring in sequence, a first dust suction interface is installed above the first-level filter screen, the second-level filter screen and the third-level filter screen, a cover plate is arranged above the third-level filter screen, a first motor, a feed pipe and an auger are installed above the cover plate, a feed hopper is installed on the right side of the feed pipe, a second motor is installed above the support frame, and an eccentric disk, a universal joint and fan blades are arranged below the second motor.

[0007] As a preferred technical solution of the present invention, a total of six supporting leg structures are evenly fixed at the bottom of the support frame, and the support frame as a whole is a conical structure with a hollow inner wall, and a total of eight cylindrical bolt heads are evenly fixed on the upper surface of the support frame;

[0008] By adopting the above technical solution, the device can effectively ensure the load-bearing capacity and structural stability of the equipment by setting up six supporting leg structures, and the support frame as a whole is a conical structure with a hollow inner wall, which can reduce the weight of the equipment while ensuring air circulation.

[0009] As a preferred technical solution of the present invention, a guide pipe is fixedly connected to the midline position below the support frame, the guide pipe is in a roundabout structure, and the guide pipe is divided into two ends, the left upper part of the guide pipe is fixedly connected to the first air inlet interface, and the first air inlet interface is in an inclined structure, and the second air inlet interface and the third air inlet interface are evenly arranged on the side of the first air inlet interface;

[0010] By adopting the above technical solution, the device can discharge air from the first air inlet interface to the maximum extent and ensure the air pressure by fixing the upper left side of the guide tube to the first air inlet interface, and the first air inlet interface is an inclined structure.

[0011] As a preferred technical solution of the present invention, the guide pipe is vertically fixed above the cover plate, and the top of the center of the cover plate is fixedly connected to the feed pipe, the left side of the feed pipe is fixedly connected to the first motor, the right side output shaft of the first motor is fixedly connected to the auger, the right side of the auger is the feed pipe, the feed pipe is placed at an angle of thirty degrees, and the right side of the feed pipe is fixedly connected to the feed hopper;

[0012] By adopting the above technical solution, the device can reduce the conveying burden of the auger by placing the conveying pipe at an angle of thirty degrees while retaining sufficient space as a buffer.

[0013] As a preferred technical solution of the present invention, the feed hopper is a conical structure as a whole, and the bottom of the feed hopper is connected to the feed pipe, and the edge of the feed pipe is evenly fixed with three supporting legs consisting of hollow tubes;

[0014] By adopting the above technical solution, the equipment can increase the flow rate while reducing the risk of blockage by setting the feed hopper as a whole to a conical structure, and the support legs consisting of three hollow tubes evenly fixed at the edge of the conveying pipe can effectively improve the stability of the equipment operation.

[0015] As a preferred technical solution of the present invention, a spring is fixedly connected above the support frame, and a total of eight springs are evenly distributed in a circular shape, and the spring is connected to a first-level filter screen above the spring, and the bottom of the first-level filter screen is an inverted cone structure, and the first-level filter screen is connected to the first dust suction interface above the discharge pipe on the right side, and the first dust suction interface is threaded on the outer surface of the first dust suction interface, and a second-level filter screen, a third-level filter screen and a cover plate are sequentially installed above the first-level filter screen, and the first dust suction interface, the second dust suction interface and the third dust suction interface are sequentially installed on the first-level filter screen, the second filter screen and the third filter screen are sequentially installed, and the first screen and the second screen are sequentially installed in the three-level filter screen;

[0016] By adopting the above technical solution, the device is provided with a thread on the outer surface of the first dust suction interface, and a hose can be used as a ventilation component, which not only has a lighter weight, but also has low cost and high reliability.

[0017] As a preferred technical solution of the present invention, the bottom of the first-level filter screen is fixedly connected to the second motor, the output shaft below the second motor is equipped with an eccentric disk, the bottom of the eccentric disk is fixedly connected to a universal joint group, the universal joint group is composed of a pair of universal joints connected in series, and the bottom of the universal joint group is equipped with fan blades, and the upper and lower ends of the fan blades are equipped with a first long plate and a second long plate as support.

[0018] By adopting the above technical solution, the device can provide restrictions for the fan blades while ensuring space for the fan blades to float up and down by installing the first long plate and the second long plate at the upper and lower ends of the fan blades as supports. The universal joint group is composed of a pair of universal joints connected in series, which can offset the vibration caused by the eccentric disk and ensure the stability of the output shaft.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The equipment is equipped with six supporting leg structures, which can effectively ensure the bearing capacity and structural stability of the equipment. The support frame is a conical structure with hollow inner walls, which can reduce the weight of the equipment while ensuring air circulation;

[0021] 2. The device is connected to the first air inlet interface by fixing the upper left side of the guide pipe, and the first air inlet interface is in an inclined structure, so that air can be discharged from the first air inlet interface to the maximum extent and the air pressure can be guaranteed;

[0022] 3. The equipment can reduce the conveying burden of the auger by placing the conveying pipe at an angle of 30 degrees while retaining enough space as a buffer;

[0023] 4. The equipment can increase the flow rate while reducing the risk of blockage by setting the feed hopper as a cone structure. The support legs composed of three hollow tubes are evenly fixed on the edge of the conveying pipe, which can effectively improve the stability of the equipment operation.

[0024] 5. The device is provided with threads on the outer surface of the first dust suction interface, and a hose can be used as a ventilation component, which is not only light in weight, but also low in cost and high in reliability, and provides sufficient discharge air pressure for the device;

[0025] The device can provide restrictions for the fan blades and ensure space for the fan blades to float up and down by installing the first long plate and the second long plate at the upper and lower ends of the fan blades as supports. The universal joint group consists of a pair of universal joints in series, which can offset the vibration caused by the eccentric disk and ensure the stability of the output shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a side view structural schematic diagram of the present invention;

[0028] Figure 2 It is a schematic diagram of the cross-sectional side view structure of the present invention;

[0029] Figure 3 It is a schematic diagram of the cross-section structure of the present invention from the left side;

[0030] Figure 4 This is a schematic diagram of the connection structure between the eccentric disk and the universal joint of the present invention;

[0031] Figure 5 This is a schematic diagram of the connection structure between the support frame and the spring of the present invention;

[0032] Figure 6 It is a front structural schematic diagram of the present invention;

[0033] Figure 7 It is a schematic diagram of the cross-sectional front structure of the present invention;

[0034] Figure 8 It is a schematic diagram of the connection structure between the fan blades and the universal joint assembly of the present invention.

[0035] In the figure: 1. support frame; 2. guide pipe; 3. spring; 4. primary filter screen; 5. secondary filter screen; 6. tertiary filter screen; 7. first dust suction interface; 8. cover plate; 9. first air inlet interface; 10. first motor; 11. feed pipe; 12. feed hopper; 13. auger; 14. second motor; 15. eccentric disk; 16. universal joint; 17. fan blade; 701. second dust suction interface; 702. third dust suction interface; 901. second air inlet interface; 902. third air inlet interface; 18. first screen; 181. second screen; 19. first long board; 191. second long board. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1 - Figure 8 , the technical solution of the present invention: a screening device for the production of L-carnitine raw material medicine with a feeding mechanism, comprising a support frame 1, a guide pipe 2, a spring 3, a primary filter screen 4, a secondary filter screen 5, a tertiary filter screen 6, a first dust suction interface 7, a cover plate 8, a first air intake interface 9, a first motor 10, a feeding pipe 11, a feeding hopper 12, a screw dragon 13, a second motor 14, an eccentric disk 15, a universal group 16, a fan blade 17, a second dust suction interface 701, a third dust suction interface 702, a second air intake interface 901, a third air intake interface 902, a first screen 18, a second screen 181, a first long plate 19 and a second long plate 191;

[0038] A guide pipe 2 and a first air inlet interface 9 are installed on the side of the support frame 1, and a spring 3 is arranged above the support frame 1. A total of six support leg structures are evenly fixed at the bottom of the support frame 1, and the support frame 1 is a conical structure with a hollow inner wall as a whole. A total of eight cylindrical bolt heads are evenly fixed on the upper surface of the support frame 1. The device can effectively ensure the bearing capacity and structural stability of the device by setting six support leg structures, and the support frame 1 is a conical structure with a hollow inner wall as a whole, which can reduce the weight of the device while ensuring the circulation of air. A primary filter screen 4, a secondary filter screen 5 and a tertiary filter screen 6 are installed above the spring 3 in sequence. The guide pipe 2 is vertically fixed above the cover plate 8, and the feed pipe 11 is fixedly connected to the center of the cover plate 8, and the left side of the feed pipe 11 is fixedly connected to the first The motor 10, the right output shaft of the first motor 10 is fixedly connected to the auger 13, the right side of the auger 13 is the feed pipe 11, the feed pipe 11 is placed at an angle of thirty degrees, and the right side of the feed pipe 11 is fixedly connected to the feed hopper 12. The device can reduce the conveying burden of the auger 13 by placing the feed pipe 11 at an angle of thirty degrees while retaining enough space as a buffer. The first dust suction interface 7 is installed above the first-stage filter screen 4, the second-stage filter screen 5 and the third-stage filter screen 6, and a cover plate 8 is arranged above the third-stage filter screen 6. The feed hopper 12 is a conical structure as a whole, and the bottom of the feed hopper 12 is connected to the feed pipe 11. The edge of the feed pipe 11 is evenly fixed with three hollow tubes forming support legs. The device can improve the overall structure of the feed hopper 12 by setting the overall structure of the feed hopper 12 as a conical structure. The flow rate is increased while reducing the risk of blockage. The support legs composed of three hollow tubes are evenly fixed at the edge of the feed pipe 11, which can effectively improve the stability of the equipment operation. The first motor 10, the feed pipe 11 and the auger 13 are installed above the cover plate 8. A feed hopper 12 is installed on the right side of the feed pipe 11. A second motor 14 is installed above the support frame 1. A spring 3 is fixedly connected to the top of the support frame 1. There are eight springs 3 evenly distributed in a circle, and the top of the spring 3 is connected to the first-stage filter screen 4. The bottom of the first-stage filter screen 4 is an inverted cone structure, and the first-stage filter screen 4 is connected to the first dust suction interface 7 on the right side of the discharge pipe. The outer surface of the first dust suction interface 7 is threaded, and the second-stage filter screen 5, the third-stage filter screen 6 and the cover plate 8 are installed above the first-stage filter screen 4 in sequence. The filter screen 4, the secondary filter screen 5 and the tertiary filter screen 6 are sequentially installed with the first dust suction interface 7, the second dust suction interface 701 and the third dust suction interface 702, and the first screen 18 and the second screen 181 are sequentially installed in the tertiary filter screen 6. The device is threaded through the outer surface of the first dust suction interface 7, and a hose can be used as a ventilation guide component. It not only has a light weight, but also has low cost and high reliability. An eccentric disk 15, a universal joint group 16 and a fan blade 17 are arranged below the second motor 14. The bottom of the primary filter screen 4 is fixedly connected to the second motor 14. The output shaft below the second motor 14 is equipped with an eccentric disk 15. The bottom of the eccentric disk 15 is fixedly connected to the universal joint group 16. The universal joint group 16 is composed of a pair of universal joints connected in series, and the fan blade 17 is arranged at the bottom of the universal joint group 16.The first long plate 19 and the second long plate 191 are mounted on the upper and lower ends of the fan blade 17 as support. The device can provide restrictions on the fan blade 17 and ensure the space for the fan blade 17 to float up and down by mounting the first long plate 19 and the second long plate 191 on the upper and lower ends of the fan blade 17 as support. The universal joint assembly 16 is composed of a pair of universal joints in series, which can offset the vibration caused by the eccentric disk 15 to ensure the stability of the output shaft.

[0039] Working principle: When using a screening device for the production of L-carnitine raw materials with a feeding mechanism, firstly, the first dust suction interface 7 is connected to the first air inlet interface 9 through a hose, and then the L-carnitine raw materials can be poured into the feed hopper 12, and then the equipment is turned on, and the first motor 10 drives the auger 13 to suck the L-carnitine raw materials into the feeding pipe 11 and transport it to the cover plate 8, and at the same time, the second motor 14 drives the eccentric disk 15 and the universal group 16 to operate, generate vibration and drive the fan blade 17 to rotate, and send air into the guide pipe 2. In the guide pipe 2, the air has a narrow pipe structure, and the flow rate increases and enters the first air inlet interface 9, and drives the discharge pipes of the primary filter screen 4, the secondary filter screen 5 and the tertiary filter screen 6 to generate negative pressure suction, and another part of the air is directly injected into the cover plate 8, and the L-carnitine raw materials are continuously screened in the primary filter screen 4, the secondary filter screen 5 and the tertiary filter screen 6, and particles of different calibers are distinguished and collected.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening device for L-carnitine raw material production with a feeding mechanism, comprising a support frame (1), a flow guide tube (2), a spring (3), a primary filter screen (4) and a second long plate (191); Features: The support frame (1) is provided with a guide pipe (2), a first air inlet interface (9), a second air inlet interface (901) and a third air inlet interface (902) on its side, and a spring (3) is provided above the support frame (1), a primary filter screen (4), a secondary filter screen (5) and a tertiary filter screen (6) are sequentially installed above the spring (3), a first dust suction interface (7), a second dust suction interface (701) and a third dust suction interface (702) are installed above the primary filter screen (4), the secondary filter screen (5) and the tertiary filter screen (6), and the third dust suction interface (702) is sequentially installed in the tertiary filter screen (6). A first screen (18) and a second screen (181) are installed; a cover plate (8) is arranged above the three-stage filter screen (6); a first motor (10), a feed pipe (11) and a screw auger (13) are installed above the cover plate (8); a feed hopper (12) is installed on the right side of the feed pipe (11); a second motor (14) is installed above the support frame (1); an eccentric disk (15), a universal joint (16) and a fan blade (17) are arranged below the second motor (14); and a first long plate (19) and a second long plate (191) are installed below the universal joint (16).

2. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 1, characterized in that: A total of six supporting leg structures are evenly fixed on the bottom of the support frame (1), and the support frame (1) as a whole is a conical structure with a hollow inner wall, and a total of eight cylindrical bolt heads are evenly fixed on the upper surface of the support frame (1).

3. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 2, characterized in that: The guide tube (2) is fixedly connected to the centerline position below the support frame (1); the guide tube (2) is of a round-shaped structure and is divided into two ends; the left upper part of the guide tube (2) is fixedly connected to the first air inlet interface (9), and the first air inlet interface (9) is of an inclined structure; the second air inlet interface (901) and the third air inlet interface (902) are evenly arranged on the side of the first air inlet interface (9).

4. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 3, characterized in that: The guide pipe (2) is vertically fixed above the cover plate (8), and is fixedly connected to a feed pipe (11) above the center of the cover plate (8); the left side of the feed pipe (11) is fixedly connected to a first motor (10); the right side output shaft of the first motor (10) is fixedly connected to an auger (13); the right side of the auger (13) is the feed pipe (11); the feed pipe (11) is placed at an angle of thirty degrees, and the right side of the feed pipe (11) is fixedly connected to a feed hopper (12).

5. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 4, characterized in that: The feed hopper (12) is of a conical structure as a whole, and the bottom of the feed hopper (12) is connected to the feed pipe (11), and three supporting legs consisting of hollow tubes are evenly fixed at the edge of the feed pipe (11).

6. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 1, characterized in that: The support frame (1) is fixedly connected to a spring (3) on the top, wherein the springs (3) are eight in total and evenly distributed in a circular shape, and a first-level filter screen (4) is located above the springs (3), and the bottom of the first-level filter screen (4) is an inverted conical structure.

7. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 6, characterized in that: The first dust suction interface (7) is connected to the upper side of the discharge pipe on the right side of the first filter screen (4); the outer surface of the first dust suction interface (7) is provided with a thread; the second filter screen (5), the third filter screen (6) and the cover plate (8) are sequentially installed above the first filter screen (4); the first dust suction interface (7), the second dust suction interface (701) and the third dust suction interface (702) are sequentially installed on the first filter screen (4), the second filter screen (5) and the third filter screen (6); and the first screen (18) and the second screen (181) are sequentially installed in the third filter screen (6).

8. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 7, characterized in that: The bottom of the primary filter screen (4) is fixedly connected to a second motor (14); an eccentric disk (15) is mounted on the output shaft below the second motor (14); and the bottom of the eccentric disk (15) is fixedly connected to a universal joint (16).

9. A screening device for producing L-carnitine bulk drug with a feeding mechanism according to claim 8, characterized in that: The universal joint (16) is composed of a pair of universal joints connected in series, and a fan blade (17) is mounted on the bottom of the universal joint (16), and a first long plate (19) and a second long plate (191) are mounted on the upper and lower ends of the fan blade (17) as support.

Images