Biological culture medium raw material screening device

Abstract

The biological culture medium raw material screening device comprises a feeding port, the lower surface of the feeding port is fixedly connected with a shell, the inner wall of the rear end of the shell is fixedly connected with a double-shaft motor, and the output ends of the two sides of the double-shaft motor are fixedly connected with rotating shafts; the side, away from the double-shaft motor, of the outer wall of the rotating shaft is fixedly connected with a disc. According to the screening device, the double-shaft motor is fixedly connected to the inner wall of the shell, so that the screening device has initial power, the second screening frame is arranged below the first screening frame, raw materials obtained through primary screening can directly fall into the second screening frame, and the conveying belt is arranged below the second screening frame, so that the screening device is convenient to use. The raw materials obtained through secondary screening can be output from the third discharging port through the conveying belt, the raw materials with slight differences can be accurately distinguished by conducting multiple times of screening on the raw materials, the purity and uniformity of the screened raw materials are greatly improved, and therefore the quality of a culture medium is remarkably improved.

Description

Technical Field

[0001] The utility model specifically relates to a biological culture medium raw material screening device. Background Art

[0002] A screening device is a device used to separate and grade materials with different characteristics. It is generally composed of a feed part, a screening component, a power system and a discharge part. Through specific working principles such as vibration, rotation, air separation, etc., the materials are separated on the screening component.

[0003] The existing biological culture medium raw material screening devices have limited screening accuracy, making it difficult to meet the high-precision screening requirements for raw material particle size and shape, resulting in poor purity and consistency of the screened raw materials, affecting the quality of the culture medium. The internal structure of the screening device is relatively complex, and the operation process is cumbersome. Due to design and technical limitations, it often consumes more energy during operation, increasing production costs and high energy consumption. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and a biological culture medium raw material screening device is proposed. The screening device has initial power by fixing a dual-axis motor on the inner wall of the outer shell, and is connected to the disc through the rotating shaft at the output end of the dual-axis motor, so that the disc can rotate. A first connecting rod and a second connecting rod are arranged on the disc, so that the disc can be indirectly connected to the two screening frames. The third connecting rod and the telescopic connecting rod pass through the limit plate, so that the screen frame can move back and forth smoothly. By arranging the second screen frame below the first screen frame, the raw materials obtained by the first screening can be directly dropped into the second screen frame. By placing a conveyor belt below the second screen frame, the raw materials obtained by the second screening can be output from the third discharge port through the conveyor belt. By screening the raw materials multiple times, the raw materials with subtle differences can be accurately distinguished, and the purity and uniformity of the raw materials after screening are greatly improved, thereby significantly improving the quality of the culture medium.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A biological culture medium raw material screening device comprises a feed port, a shell and a first screen frame, wherein the lower surface of the feed port is fixedly connected to the shell, the inner wall of the rear end of the shell is fixedly connected to a dual-axis motor, the output ends on both sides of the dual-axis motor are fixedly connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a disc on a side away from the dual-axis motor, the outer wall of one side of the disc is rotatably connected to a first connecting rod, the end of the first connecting rod away from the disc is rotatably connected to a second connecting rod, the outer wall of the second connecting rod is provided with a limiting groove, the interior of the limiting groove is slidably connected to a telescopic connecting rod, and the end of the second connecting rod away from the first connecting rod is rotatably connected to a third connecting rod;

[0007] The middle part of the outer wall of the third connecting rod is fixedly connected to the first screen frame, the lower end of the inner wall of the first screen frame is fixedly connected to the first screen, the outer wall of the rear end of the first screen is fixedly connected to the first discharge port, the middle part of the outer wall of the telescopic connecting rod is fixedly connected to the second screen frame, the outer wall of the rear end of the second screen frame is fixedly connected to the second discharge port, the outer wall of the rear end of the first screen frame is fixedly connected to the first discharge port, and the center of the outer wall of one side of the disc is fixedly connected to the first pulley;

[0008] Brackets are fixedly connected to both sides of the rear end of the inner bottom surface of the shell, and a double-groove pulley is rotatably connected to the upper surface of the bracket. A conveyor belt extension rod is fixedly connected to the middle of the inner walls of both sides of the shell, and a second pulley is fixedly connected to both sides of the outer wall of the conveyor belt extension rod. A conveyor belt is sleeved on the middle part of the outer wall of the conveyor belt extension rod. Two slide grooves are provided on the inner walls of both sides of the shell, and cylindrical sliders are fixedly connected to the outer walls of both sides of the first screen frame and the second screen frame;

[0009] The above technical solution can help improve the screening accuracy of the biological culture medium raw material screening device, accurately distinguish the subtle differences in raw material particles, and improve the purity and uniformity of the raw materials. The energy-saving drive system and optimized structure can save energy and reduce consumption, save costs, and improve the quality of the culture medium.

[0010] Furthermore, the rotating shaft passes through the disc and is fixedly connected to the first pulley;

[0011] With the above technical solution, the rotating shaft passes through the disc and is fixedly connected to the first pulley, so that the rotating shaft can drive the disc and the first pulley to rotate at the same time.

[0012] Furthermore, the cylindrical slider slides inside the slide groove;

[0013] Through the above technical solution, the cylindrical slider slides inside the chute, so that the screen frame can perform smooth reciprocating motion.

[0014] Furthermore, the rear ends of the inner walls on both sides of the shell are fixedly connected to limit plates, and one side of the third connecting rod and the telescopic connecting rod both slide on the limit plates;

[0015] Through the above technical solution, the limit plates are fixedly connected to the rear ends of the inner walls on both sides of the shell, and one side of the third connecting rod and the telescopic connecting rod slide on the limit plates, thereby cooperating with the disc to ensure that the screen frame can perform smooth reciprocating motion.

[0016] Furthermore, support legs are fixedly connected to the four corners of the lower surface of the shell;

[0017] Through the above technical solution, the four corners of the lower surface of the shell are fixedly connected with support legs, so that the screening device can be stably fixed on the ground during operation.

[0018] Furthermore, the outer walls of the first pulley and the double-groove pulley are both sleeved with a first belt, and the outer walls of the double-groove pulley and the second pulley are both sleeved with a second belt;

[0019] Through the above technical solution, a first belt is sleeved on the outer walls of the first pulley and the double-groove pulley, and a second belt is sleeved on the outer walls of the double-groove pulley and the second pulley, so that the first pulley can rotate and drive the second pulley to rotate at the same time.

[0020] Furthermore, the second discharge port passes through the second screen frame and is fixedly connected to the second screen;

[0021] Through the above technical solution, the second screen frame is passed through the second discharge port and is fixedly connected to the second screen, so that the raw materials remaining in the second screen frame slide out from the second discharge port while the screen frame makes reciprocating motion.

[0022] Furthermore, a third discharge port is fixedly connected to the rear end of the lower surface of the shell;

[0023] Through the above technical solution, the third discharge port is fixedly connected to the rear end of the lower surface of the shell, so that the raw materials on the conveyor belt can be discharged from the third discharge port along the moving direction of the conveyor belt.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The screening device of the present invention has initial power by fixing a dual-axis motor on the inner wall of the outer shell, and is connected to the disc through the rotating shaft at the output end of the dual-axis motor, so that the disc can rotate, and a first connecting rod and a second connecting rod are arranged on the disc, so that the disc can be indirectly connected to the two screening frames, and the third connecting rod and the telescopic connecting rod pass through the limit plate, so that the screen frame can reciprocate smoothly, and the second screen frame is arranged below the first screen frame, so that the raw materials obtained by the first screening can directly fall into the second screen frame, and the conveyor belt is placed below the second screen frame, so that the raw materials obtained by the second screening can be output from the third discharge port through the conveyor belt, and the raw materials with subtle differences can be accurately distinguished by screening the raw materials multiple times, which greatly improves the purity and uniformity of the raw materials after screening, thereby significantly improving the quality of the culture medium.

[0026] 2. The screening device of the present invention is fixedly connected to the outer wall of the disc so that the first pulley can be driven to rotate when the disc rotates; a double-groove pulley is arranged at the top of the upper part of the bracket and the first pulley is connected through the first belt so that the first pulley can drive the double-groove pulley to rotate; a second pulley is arranged on one side of the outer wall of the output end of the conveyor belt and the double-groove pulley is connected through the second belt so that the double-groove pulley can drive the second pulley to rotate; when the dual-axis motor is started, the rotating shaft drives the disc to rotate, and the disc can indirectly drive the conveyor belt to rotate through the arranged pulley and belt; by arranging multiple pulleys, the internal structure is optimized so that one motor can drive multiple devices to operate, thereby reducing energy consumption and saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of a biological culture medium raw material screening device proposed in the utility model;

[0028] Figure 2 This is a side sectional view of a biological culture medium raw material screening device proposed by the utility model;

[0029] Figure 3 This is a front cross-sectional view of a biological culture medium raw material screening device proposed by the present invention;

[0030] Figure 4 This is an enlarged structural diagram of the disc and the first connecting rod in the biological culture medium raw material screening device proposed in the utility model;

[0031] Figure 5 This is an enlarged structural diagram of the first screen frame in a biological culture medium raw material screening device proposed in the present utility model;

[0032] Figure 6 This is an enlarged structural diagram of a double-groove pulley in a biological culture medium raw material screening device proposed in the utility model.

[0033] Explanation of the accompanying drawings: 1. Feed port; 2. Housing; 3. First discharge port; 4. Second discharge port; 5. Third discharge port; 6. Support leg; 7. Disc; 8. First connecting rod; 9. Second connecting rod; 10. First pulley; 11. First belt; 12. Double-groove pulley; 13. Second belt; 14. Bracket; 15. First screen frame; 16. Limiting plate; 17. Third connecting rod; 18. First screen; 19. Telescopic connecting rod; 20. Second screen frame; 21. Second screen; 22. Conveyor belt; 23. Slide; 24. Cylindrical slider; 25. Rotating shaft; 26. Dual-axis motor; 27. Limiting groove; 28. Second pulley; 29. Conveyor belt extension rod. DETAILED DESCRIPTION

[0034] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0035] Reference Figure 1-6 , a biological culture medium raw material screening device provided in this embodiment includes a feed port 1 and a shell 2, the lower surface of the feed port 1 is fixedly connected to the shell 2, the inner wall of the rear end of the shell 2 is fixedly connected to a dual-axis motor 26, the output ends on both sides of the dual-axis motor 26 are fixedly connected to a rotating shaft 25, the outer wall of the rotating shaft 25 is fixedly connected to a disc 7 on the side away from the dual-axis motor 26, the outer wall of one side of the disc 7 is rotatably connected to a first connecting rod 8, the end of the first connecting rod 8 away from the disc 7 is rotatably connected to a second connecting rod 9, the outer wall of the second connecting rod 9 is provided with a limiting groove 27, the inner part of the limiting groove 27 is slidably connected to a telescopic connecting rod 19, and the end of the second connecting rod 9 away from the first connecting rod 8 is rotatably connected to the third connecting rod 17;

[0036] The middle part of the outer wall of the third connecting rod 17 is fixedly connected to the first screen frame 15, the lower end of the inner wall of the first screen frame 15 is fixedly connected to the first screen 18, the outer wall of the rear end of the first screen 18 is fixedly connected to the first discharge port 3, the middle part of the outer wall of the telescopic connecting rod 19 is fixedly connected to the second screen frame 20, the outer wall of the rear end of the second screen frame 20 is fixedly connected to the second discharge port 4, the outer wall of the rear end of the first screen frame 15 is fixedly connected to the first discharge port 3, and the center of the outer wall of one side of the disc 7 is fixedly connected to the first pulley 10;

[0037] Both sides of the rear end of the inner bottom surface of the shell 2 are fixedly connected with a bracket 14, the upper surface of the bracket 14 is rotatably connected to the double-groove pulley 12, the middle of the inner wall on both sides of the shell 2 is fixedly connected to a conveyor belt extension rod 29, both sides of the outer wall of the conveyor belt extension rod 29 are fixedly connected to the second pulley 28, the middle part of the outer wall of the conveyor belt extension rod 29 is sleeved with a conveyor belt 22, the inner walls on both sides of the shell 2 are provided with two slide grooves 23, and the outer walls on both sides of the first screen frame 15 and the second screen frame 20 are fixedly connected to the cylindrical slider 24;

[0038] To this end, it helps to improve the screening accuracy of biological culture medium raw material screening equipment, accurately distinguish subtle differences in raw material particles, and improve raw material purity and uniformity. The energy-saving drive system and optimized structure can save energy and reduce consumption, save costs, and improve culture medium quality.

[0039] The rotating shaft 25 passes through the disc 7 and is fixedly connected to the first pulley 10. The rotating shaft 25 passes through the disc 7 and is fixedly connected to the first pulley 10, so that the rotating shaft 25 can drive the disc 7 and the first pulley 10 to rotate at the same time, and the cylindrical slider 24 slides inside the slide groove 23. The cylindrical slider 24 slides inside the slide groove 23, so that the screen frame can reciprocate smoothly. The rear ends of the inner walls of both sides of the shell 2 are fixedly connected to the limit plates 16, and one side of the third connecting rod 17 and the telescopic connecting rod 19 both slide on the limit plates 16. The rear ends of the inner walls of both sides of the shell 2 are fixedly connected to the limit plates 16, and one side of the third connecting rod 17 and the telescopic connecting rod 19 both slide on the limit plates 16, so that they can cooperate with the disc 7 to ensure that the screen frame can reciprocate smoothly. The four corners of the lower surface of the shell 2 are fixedly connected to the support legs 6, and the four corners of the lower surface of the shell 2 are fixedly connected to the support legs 6, so that the screening device can be stably fixed to the ground during operation. On the surface, the outer walls of the first pulley 10 and the double-groove pulley 12 are both sleeved with a first belt 11, and the outer walls of the double-groove pulley 12 and the second pulley 28 are both sleeved with a second belt 13, and the outer walls of the first pulley 10 and the double-groove pulley 12 are both sleeved with a second belt 13, so that the first pulley 10 can drive the second pulley 28 to rotate while the first pulley 10 rotates, and the second discharge port 4 passes through the second screen frame 20 and is fixedly connected to the second screen mesh 21 through the second discharge port 4, so that the material left in the second screen frame 20 slides out from the second discharge port 4 while the screen frame makes reciprocating motion, and the rear end of the lower surface of the shell 2 is fixedly connected with the third discharge port 5, and the rear end of the lower surface of the shell 2 is fixedly connected with the third discharge port 5, so that the material on the conveyor belt 22 can be discharged from the third discharge port 5 along with the movement direction of the conveyor belt 22.

[0040] When the screening device of this embodiment is in use, the culture medium raw material can be poured into the feed port 1, the dual-axis motor 26 is started, driving the rotating shaft 25 to rotate, so that the rotating shaft 25 drives the disc 7 to rotate, and then the disc 7 indirectly drives the third connecting rod 17 and the telescopic connecting rod 19 to reciprocate, the first screen frame 15 is fixedly connected to the third connecting rod 17, the second screen frame 20 is fixedly connected to the telescopic connecting rod 19, and then the cylindrical slider 24 fixedly connected to the outer wall of the screen frame slides in the slide groove 23 on the inner wall of the outer shell 2, so that the screen frame can make a smooth reciprocating motion, and then the raw materials with smaller particles are filtered from the first screen 18 and fall into the second screen 21, and the raw materials left in the first screen 18 reciprocate with the first screen frame 15 and are discharged from the first discharge port 3, and then the smaller raw materials will pass through the second screen 21. The filter falls into the conveyor belt 22, and the raw materials left in the second screen 21 reciprocate with the second screen frame 20 and are discharged from the second discharge port 4. Then the outer wall of the disc 7 is fixedly connected to the first pulley 10, so that when the disc 7 rotates, it can drive the first pulley 10 to rotate. By arranging a double-groove pulley 12 at the top of the upper part of the bracket 14, and then connecting the first pulley 10 through the first belt 11, the first pulley 10 drives the double-groove pulley 12 to rotate. By arranging a second pulley 28 on one side of the outer wall of the output end of the conveyor belt 22, and then connecting the double-groove pulley 12 through the second belt 13, the double-groove pulley 12 drives the second pulley 28 to rotate, thereby driving the conveyor belt 22 to rotate. Finally, the raw materials that have passed the second screening are discharged from the third discharge port 5 through the conveyor belt 22.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A biological culture medium raw material screening device, characterized in that: The invention comprises a feed port (1), a shell (2) and a first screen frame (15), wherein the lower surface of the feed port (1) is fixedly connected to the shell (2), the inner wall of the rear end of the shell (2) is fixedly connected to a dual-axis motor (26), the output ends on both sides of the dual-axis motor (26) are fixedly connected to a rotating shaft (25), the outer wall of the rotating shaft (25) is fixedly connected to a disc (7) on the side away from the dual-axis motor (26), the outer wall of one side of the disc (7) is rotatably connected to a first connecting rod (8), the end of the first connecting rod (8) away from the disc (7) is rotatably connected to a second connecting rod (9), the outer wall of the second connecting rod (9) is provided with a limiting groove (27), the interior of the limiting groove (27) is slidably connected to a telescopic connecting rod (19), and the end of the second connecting rod (9) away from the first connecting rod (8) is rotatably connected to a third connecting rod (17); The middle portion of the outer wall of the third connecting rod (17) is fixedly connected to the first screen frame (15), the lower end of the inner wall of the first screen frame (15) is fixedly connected to the first screen (18), the outer wall of the rear end of the first screen (18) is fixedly connected to the first discharge port (3), the middle portion of the outer wall of the telescopic connecting rod (19) is fixedly connected to the second screen frame (20), the outer wall of the rear end of the second screen frame (20) is fixedly connected to the second discharge port (4), the outer wall of the rear end of the first screen frame (15) is fixedly connected to the first discharge port (3), and the center of the outer wall of one side of the disc (7) is fixedly connected to the first pulley (10); The rear end of the inner bottom surface of the shell (2) is fixedly connected to a bracket (14) on both sides, the upper surface of the bracket (14) is rotatably connected to a double-groove pulley (12), the middle of the inner wall of both sides of the shell (2) is fixedly connected to a conveyor belt extension rod (29), the outer wall of the conveyor belt extension rod (29) is fixedly connected to a second pulley (28), the middle of the outer wall of the conveyor belt extension rod (29) is sleeved with a conveyor belt (22), the inner walls of both sides of the shell (2) are provided with two slide grooves (23), and the outer walls of both sides of the first screen frame (15) and the second screen frame (20) are fixedly connected to cylindrical sliders (24).

2. A biological culture medium raw material screening device according to claim 1, characterized in that: The rotating shaft (25) passes through the disc (7) and is fixedly connected to the first pulley (10).

3. The biological culture medium raw material screening device according to claim 1, characterized in that: The cylindrical slider (24) slides inside the sliding groove (23).

4. The biological culture medium raw material screening device according to claim 1, characterized in that: The rear ends of the inner walls on both sides of the housing (2) are fixedly connected to the limit plates (16), and one side of the third connecting rod (17) and the telescopic connecting rod (19) both slide on the limit plates (16).

5. The biological culture medium raw material screening device according to claim 1, characterized in that: Support legs (6) are fixedly connected to the four corners of the lower surface of the shell (2).

6. The biological culture medium raw material screening device according to claim 1, characterized in that: The outer walls of the first pulley (10) and the double-groove pulley (12) are both sleeved with a first belt (11), and the outer walls of the double-groove pulley (12) and the second pulley (28) are both sleeved with a second belt (13).

7. The biological culture medium raw material screening device according to claim 1, characterized in that: The second discharge port (4) passes through the second screen frame (20) and is fixedly connected to the second screen (21).

8. The biological culture medium raw material screening device according to claim 1, characterized in that: A third discharge port (5) is fixedly connected to the rear end of the lower surface of the shell (2).

Images