Equipment for freeze-drying heat-sensitive solid organic peroxide

Abstract

The utility model relates to the technical field of freeze dryer screening, in particular to a device for freeze-drying heat-sensitive solid organic peroxide, which comprises a freeze dryer body, a discharge pipe is fixedly connected to the outer side of the freeze dryer body, and a disc is fixedly connected to one end, far away from the freeze dryer body, of the discharge pipe. The driving motor drives the first gear to rotate, then gear teeth of the first gear can be used for driving the second gear, the rotating rod and the scraper to rotate, and therefore the scraper rotates to scrape off materials attached to the inner wall of the vibrating screen, the materials cannot be attached to the inner wall of the vibrating screen for a long time, and it is guaranteed that the materials can be fully screened; meanwhile, an air pump can be driven to work and can be matched with an air pipe to discharge air to the inner cavity positions of the rotating rod and the connecting rod, and then a plurality of exhaust holes are used for spraying the air to the outside, so that small impurities in the inner cavity of the vibrating screen can be blown out, and the cleanliness of the inner cavity of the vibrating screen is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze drying machine screening, in particular to a device for freeze drying heat-sensitive solid organic peroxides. Background Art

[0002] When processing heat-sensitive solids, a freeze dryer is required. Freeze drying is mainly used because organic peroxides are sensitive to heat. This method can avoid contact with heat, thereby ensuring the safety of the drying process. After processing with a freeze dryer, screening operations are required to ensure uniform particle size.

[0003] The existing screening equipment is unable to clean up the impurities generated during the screening process in actual use in a timely manner, resulting in a large amount of impurities and debris when the solids are collected after the screening, affecting the material quality. In addition, the existing screening device is unable to scrape off the solid materials adhered to it, resulting in long-term adhesion to the inner wall of the vibrating screen and inability to be fully screened, resulting in uneven particle size.

[0004] Therefore, the utility model provides a device for freeze-drying heat-sensitive solid organic peroxide. Utility Model Content

[0005] The utility model aims to solve the defect in the prior art that the impurities generated in the screening process cannot be cleaned in time, and proposes a device for freeze-drying heat-sensitive solid organic peroxides.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for freeze-drying heat-sensitive solid organic peroxides, comprising a freeze-drying machine body, a discharge pipe is fixedly connected to the outside of the freeze-drying machine body, a disc is fixedly connected to the end of the discharge pipe away from the freeze-drying machine body, a bottom plate is fixedly connected to the outside of the freeze-drying machine body, a support plate is fixedly installed on the top of the bottom plate, a vibrating screen is rotatably connected to the inner wall of the support plate, a sealing cover is fixedly connected to the outside of the vibrating screen, a driving wheel is fixedly installed on the outside of the sealing cover, a belt is sleeved on the outer edge of the driving wheel, and the belt The inner wall of the belt is sleeved with a driven wheel, the top of the bottom plate is fixedly equipped with a motor, the outer side of the driving wheel is fixedly equipped with an L-shaped plate, the inner side of the L-shaped plate is fixedly equipped with a motor, the power output shaft of the motor is fixedly equipped with gear 1, the gear teeth of the gear 1 are meshed with gear 2, the outer side of the gear 2 is fixedly connected to a rotating rod, the outer edge of the rotating rod is fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to a scraper, a side of the scraper away from the connecting rod is provided with a plurality of exhaust holes, a side of the gear 2 away from the rotating rod is fixedly equipped with an air pump, and the output end of the air pump is fixedly connected to an air pipe.

[0007] Preferably, the power output shaft of the motor is fixedly connected to a driven wheel, the driven wheel and the driving wheel are in the same cross section, and the driving wheel and the driven wheel are jointly covered with a belt.

[0008] Preferably, one side of the vibrating screen close to the disc is rotatably connected to the inner wall of the disc, there are two support plates, and the two support plates are symmetrically arranged at the top of the bottom plate, the top of the support plate is arc-shaped and fits the outer edge of the vibrating screen, and the end of the discharge pipe close to the vibrating screen is connected to the vibrating screen.

[0009] Preferably, one end of the air pipe away from the air pump is fixedly connected to the inner wall of the rotating rod, and the air pipe, the rotating rod, the connecting rod and the plurality of exhaust holes are all connected.

[0010] Preferably, a side of the scraper close to the exhaust hole is in contact with the inner side of the vibrating screen, and the scraper is made of rubber.

[0011] Preferably, a storage box is provided on the top of the bottom plate, and the storage box is arranged below the vibrating screen. A plurality of leakage holes are evenly provided on the outer edge of the vibrating screen.

[0012] Preferably, both the gear 1 and the gear 2 are rotationally connected to the outer side of the driving wheel, and the side of the rotating rod close to the gear 2 is rotationally connected to the inner wall of the driving wheel and the sealing cover.

[0013] Preferably, a positioning ring is fixedly mounted on the inner wall of the vibrating screen, and the end of the rotating rod away from the second gear is rotatably connected to the inner wall position of the limiting ring.

[0014] In summary:

[0015] 1. In the utility model, the gear one is driven to rotate by the driving motor, and then the gear one's teeth can be used to drive the gear two, the rotating rod and the scraper to rotate, so that the rotation of the scraper can scrape off the material attached to the inner wall of the vibrating screen, and thus it will not stick to the inner wall of the vibrating screen for a long time, ensuring that it can be fully screened, and at the same time it can drive the air pump to operate, and can cooperate with the air pipe to discharge the gas to the inner cavity of the rotating rod and the connecting rod, and then use a number of exhaust holes to spray to the outside, so that the fine impurities in the inner cavity of the vibrating screen can be blown out to the outside, ensuring the cleanliness of the inner cavity of the vibrating screen.

[0016] 2. In the utility model, the driven wheel is driven by the driving motor to rotate, and the driving wheel, the sealing cover and the vibrating screen are driven by the belt to rotate, thereby screening the solid materials in the inner cavity of the vibrating screen. When the vibrating screen rotates, the materials can fall into the inner cavity of the storage box through the leakage hole for collection, which is convenient for the staff to collect them in a centralized manner, and the screening operation can be completed automatically without manual operation, thereby ensuring that the vibrating screen can rotate synchronously during operation, turning over the materials in the inner cavity of the vibrating screen, and ensuring the uniformity of its vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective;

[0019] Figure 3 It is a partial structural schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of gear 2 of the utility model.

[0022] Legend: 1. Freeze dryer body; 2. Discharge pipe; 3. Bottom plate; 4. Support plate; 5. Disc; 6. Vibrating screen; 7. Sealing cover; 8. Driving wheel; 9. Belt; 10. Driven wheel; 11. Motor; 12. L-shaped plate; 13. Motor; 14. Gear 1; 15. Gear 2; 16. Rotating rod; 17. Connecting rod; 18. Scraper; 19. Exhaust hole; 20. Air pump; 21. Air pipe; 22. Storage box. DETAILED DESCRIPTION

[0023] Reference Figure 1 - Figure 5As shown, the utility model provides a technical solution: a device for freeze drying thermosensitive solid organic peroxides, comprising a freeze dryer body 1, a discharge pipe 2 is fixedly connected to the outer side of the freeze dryer body 1, a disc 5 is fixedly connected to the end of the discharge pipe 2 away from the freeze dryer body 1, a bottom plate 3 is fixedly connected to the outer side of the freeze dryer body 1, a support plate 4 is fixedly installed on the top of the bottom plate 3, a vibrating screen 6 is rotatably connected to the inner wall of the support plate 4, a sealing cover 7 is fixedly connected to the outer side of the vibrating screen 6, a driving wheel 8 is fixedly installed on the outer side of the sealing cover 7, a belt 9 is sleeved on the outer edge of the driving wheel 8, a driven wheel 10 is sleeved on the inner wall of the belt 9, and the bottom plate 3 is fixedly connected to the outer side of the freeze dryer body 1. A motor 11 is fixedly assembled on the top, an L-shaped plate 12 is fixedly assembled on the outer side of the driving wheel 8, a motor 13 is fixedly assembled on the inner side of the L-shaped plate 12, a gear 14 is fixedly assembled on the power output shaft of the motor 13, the gear 14 is meshed with a gear 2 15 on the gear teeth, a rotating rod 16 is fixedly connected to the outer side of the gear 2 15, one end of a connecting rod 17 is fixedly connected to the outer edge of the rotating rod 16, a scraper 18 is fixedly connected to the other end of the connecting rod 17, a plurality of exhaust holes 19 are opened on the side of the scraper 18 away from the connecting rod 17, an air pump 20 is fixedly assembled on the side of the gear 2 15 away from the rotating rod 16, and an air pipe 21 is fixedly connected to the output end of the air pump 20.

[0024] Reference Figure 1 and Figure 3 As shown, in this embodiment: the power output shaft of the motor 11 is fixedly connected to the driven wheel 10, the driven wheel 10 and the driving wheel 8 are in the same cross section, and the driving wheel 8 and the driven wheel 10 are jointly sleeved with a belt 9, so that the driving motor 11 drives the driven wheel 10 to rotate, and the belt 9 can be used to drive the driving wheel 8, the sealing cover 7 and the vibrating screen 6 to rotate, thereby screening the solid material in the inner cavity of the vibrating screen 6.

[0025] Reference Figure 1 and Figure 2 As shown, in this embodiment: one side of the vibrating screen 6 close to the disc 5 is rotatably connected to the inner wall position of the disc 5, the number of support plates 4 is two, and the two support plates 4 are symmetrically arranged at the top position of the bottom plate 3, the top of the support plate 4 is arc-shaped and fits the outer edge of the vibrating screen 6, and the end of the discharge pipe 2 close to the vibrating screen 6 is connected to the vibrating screen 6, so that the two support plates 4 can stably support the vibrating screen 6, and ensure the stability of the vibrating screen 6 during rotation and screening, and further ensure that it will not be arbitrarily out of position during rotation, and the end of the discharge pipe 2 close to the vibrating screen 6 is connected to the vibrating screen 6, so that the material processed in the inner cavity of the freeze dryer body 1 can be directly discharged into the inner cavity of the vibrating screen 6 for screening.

[0026] Reference Figure 4 and Figure 5As shown, in the present embodiment: one end of the air pipe 21 away from the air pump 20 is fixedly connected to the inner wall position of the rotating rod 16, and the air pipe 21, the rotating rod 16, the connecting rod 17 and the plurality of exhaust holes 19 are all interconnected, so that the air pump 20 can be driven to operate and can cooperate with the air pipe 21 to discharge the gas to the inner cavity position of the rotating rod 16 and the connecting rod 17, and then use the plurality of exhaust holes 19 to spray to the outside, so that the fine impurities in the inner cavity of the vibrating screen 6 can be blown out to the outside, thereby ensuring the cleanliness of the inner cavity of the vibrating screen 6.

[0027] Reference Figure 4 and Figure 5 As shown, in this embodiment: the side of the scraper 18 close to the exhaust hole 19 is in contact with the inner side of the vibrating screen 6, and the scraper 18 is made of rubber, so that the scraper 18 can rotate to scrape off the material attached to the inner wall of the vibrating screen 6, and will not stick to the inner wall of the vibrating screen 6 for a long time, thereby ensuring that it can be fully screened.

[0028] Reference Figure 2 and Figure 3 As shown, in this embodiment: a storage box 22 is provided on the top of the bottom plate 3, and the storage box 22 is arranged below the vibrating screen 6. A plurality of leakage holes are evenly provided on the outer edge of the vibrating screen 6, so that when the vibrating screen 6 rotates, the material can fall through the leakage holes into the inner cavity of the storage box 22 for collection, thereby facilitating the staff to collect the material in a centralized manner.

[0029] Reference Figure 4 and Figure 5 As shown, in this embodiment: gear one 14 and gear two 15 are both rotationally connected to the outer side of the driving wheel 8, and the rotating rod 16 is rotationally connected to the inner wall position of the driving wheel 8 and the sealing cover 7 on the side close to the gear two 15, so that the gear one 14 and the gear two 15 will not interfere with the driving wheel 8 when rotating, and the driving wheel 8 can drive the gear one 14, the gear two 15 and the motor 13 to rotate together when rotating, and the rotating rod 16 will not interfere with the driving wheel 8 and the sealing cover 7 when rotating.

[0030] Reference Figure 4 and Figure 5 As shown, in this embodiment: the inner wall of the vibrating screen 6 is fixedly equipped with a positioning ring, and the end of the rotating rod 16 away from the gear 2 15 is rotatably connected to the inner wall position of the limiting ring, so that the rotating rod 16 will not be arbitrarily offset or shake in position during rotation, thereby ensuring the stability of the rotating rod 16 during rotation and playing a positioning role.

[0031] Working principle: when using the device, first drive the freeze dryer body 1 to operate, discharge the processed materials through the discharge pipe 2 to the inner cavity of the vibrating screen 6, and then drive the motor 11 to drive the driven wheel 10 to rotate. The belt 9 can be used to drive the driving wheel 8, the sealing cover 7 and the vibrating screen 6 to rotate, and then the solid materials in the inner cavity of the vibrating screen 6 are screened. When the vibrating screen 6 rotates, the materials can fall through the leakage hole to the inner cavity of the storage box 22 for collection, so that the staff can collect them in a centralized manner, and the screening operation can be completed automatically without manual operation. At the same time, the motor 13 can be driven It drives gear 14 to rotate, and then the gear teeth of gear 14 can be used to drive gear 2 15, rotating rod 16 and scraper 18 to rotate, so that the rotation of scraper 18 can scrape off the material attached to the inner wall of the vibrating screen 6, and it will not stick to the inner wall of the vibrating screen 6 for a long time, ensuring that it can be fully screened. At the same time, it can drive the air pump 20 to operate, and can cooperate with the air pipe 21 to discharge the gas to the inner cavity position of the rotating rod 16 and the connecting rod 17, and then use a number of exhaust holes 19 to spray to the outside, so that the fine impurities in the inner cavity of the vibrating screen 6 can be blown out to the outside, ensuring the cleanliness of the inner cavity of the vibrating screen 6.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A device for freeze drying heat-sensitive solid organic peroxides, comprising a freeze drying machine body (1), characterized in that: The outer side of the freeze dryer body (1) is fixedly connected to a discharge pipe (2), one end of the discharge pipe (2) away from the freeze dryer body (1) is fixedly connected to a disc (5), the outer side of the freeze dryer body (1) is fixedly connected to a bottom plate (3), the top of the bottom plate (3) is fixedly equipped with a support plate (4), the inner wall of the support plate (4) is rotatably connected to a vibrating screen (6), the outer side of the vibrating screen (6) is fixedly connected to a sealing cover (7), the outer side of the sealing cover (7) is fixedly equipped with a driving wheel (8), the outer edge of the driving wheel (8) is sleeved with a belt (9), the inner wall of the belt (9) is sleeved with a driven wheel (10), the top of the bottom plate (3) is fixedly equipped with a motor (11), the outer side of the driving wheel (8) is fixedly equipped with a motor (12), and the outer side of the driving wheel (8) is fixedly equipped with a motor (13). An L-shaped plate (12) is installed, a motor (13) is fixedly installed on the inner side of the L-shaped plate (12), a gear (14) is fixedly installed on the power output shaft of the motor (13), the gear (14) is meshed with a gear (15), a rotating rod (16) is fixedly connected to the outer side of the gear (15), one end of a connecting rod (17) is fixedly connected to the outer edge of the rotating rod (16), a scraper (18) is fixedly connected to the other end of the connecting rod (17), a plurality of exhaust holes (19) are provided on the side of the scraper (18) away from the connecting rod (17), an air pump (20) is fixedly installed on the side of the gear (15) away from the rotating rod (16), and an air pipe (21) is fixedly connected to the output end of the air pump (20).

2. The device for freeze-drying a thermosensitive solid organic peroxide according to claim 1, characterized in that: The power output shaft of the motor (11) is fixedly connected to a driven wheel (10), the driven wheel (10) and the driving wheel (8) are in the same cross section, and the driving wheel (8) and the driven wheel (10) are jointly sleeved with a belt (9).

3. The device for freeze-drying a thermosensitive solid organic peroxide according to claim 1, characterized in that: The side of the vibrating screen (6) close to the disc (5) is rotatably connected to the inner wall of the disc (5), the number of the support plates (4) is two, and the two support plates (4) are symmetrically arranged at the top of the bottom plate (3), the top of the support plate (4) is in an arc shape and fits the outer edge of the vibrating screen (6), and the end of the discharge pipe (2) close to the vibrating screen (6) is connected to the vibrating screen (6).

4. The device for freeze-drying a thermosensitive solid organic peroxide according to claim 1, characterized in that: One end of the air pipe (21) away from the air pump (20) is fixedly connected to the inner wall of the rotating rod (16), and the air pipe (21), the rotating rod (16), the connecting rod (17) and the plurality of exhaust holes (19) are all connected.

5. The device for freeze-drying heat-sensitive solid organic peroxide according to claim 1, characterized in that: The side of the scraper (18) close to the exhaust hole (19) is in contact with the inner side of the vibrating screen (6), and the scraper (18) is made of rubber.

6. The device for freeze-drying heat-sensitive solid organic peroxide according to claim 1, characterized in that: A storage box (22) is provided on the top of the bottom plate (3), and the storage box (22) is arranged below the vibrating screen (6). A plurality of material leakage holes are evenly provided on the outer edge of the vibrating screen (6).

7. The device for freeze-drying heat-sensitive solid organic peroxide according to claim 1, characterized in that: The gear 1 (14) and the gear 2 (15) are both rotatably connected to the outer side of the driving wheel (8), and the rotating rod (16) is rotatably connected to the inner wall of the driving wheel (8) and the sealing cover (7) on the side close to the gear 2 (15).

8. The device for freeze-drying heat-sensitive solid organic peroxide according to claim 1, characterized in that: The inner wall of the vibrating screen (6) is fixedly equipped with a positioning ring, and the end of the rotating rod (16) away from the second gear (15) is rotatably connected to the inner wall position of the limiting ring.

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