Drying mechanism of dry type granulator

Abstract

The utility model relates to the technical field of granulators, and discloses a drying mechanism of a dry type granulator, which comprises a roller, the left side of the outer wall of the roller is fixedly connected with a gear ring, the upper end of the roller is provided with an impurity discharge port, the left end and the right end of the roller are rotatably connected with concave discs, the left end and the right end of each concave disc are rotatably connected with a connecting shaft, and the connecting shafts are fixedly connected with the gear ring. A first motor is fixedly connected to the top end of the concave disc on the left side, a common gear is fixedly connected to the right end of a driving shaft of the first motor, the bottom end of the common gear is connected to the outer wall of the gear ring in a meshed mode, and a screening barrel is arranged on the inner wall of the roller. According to the utility model, the motor drives the gear and the gear ring to rotate, so that the roller, the screening barrel, the lifting plate and the like are driven to screen granulation raw materials and remove impurities mixed in the raw materials, the granulation quality is improved, hot air is respectively blown from the inside and the outer wall of the screening barrel through the hot air blower, the multi-way pipe head and the like, and the drying effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of granulators, in particular to a drying mechanism for a dry granulator. Background Art

[0002] The dry granulator is one of the more common pharmaceutical equipment. It directly compresses the raw material powder into a sheet structure by mechanical extrusion. The sheet structure is cut and broken into blocks by a crushing system, and then falls into a granulation system to form into shape. The finally obtained granules can be used for the dosage form processing of pharmaceutical tablets and capsules, and no binder or liquid component is added disorderly during the whole process.

[0003] The existing granulation components do not have a drying mechanism before sieving the granules, so that the granules cannot be dried continuously before sieving. The granules after sieving may contain moisture, resulting in a short product storage time. In addition, impurities are mixed in the granulation raw materials. Granulating without removing these impurities will reduce the quality of the granules. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to provide a drying mechanism for a dry granulator. By setting a hot air blower, multi-way pipe heads, etc., the hot air is blown from the inside and the outer wall of the screening barrel respectively, combining drying with drum screening, which not only removes the impurities doped in the granulation raw materials, but also facilitates the uniform heating of the granulation raw materials, improving the drying effect.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A drying mechanism for a dry granulator includes a drum. A toothed ring is fixedly connected to the left side of the outer wall of the drum. A waste discharge port is arranged at the upper end of the drum. Concave discs are rotatably connected to both the left and right ends of the drum. Connecting shafts are rotatably connected to both the left and right ends of the concave discs. A first motor is fixedly connected to the top of the left concave disc. The right end of the driving shaft of the first motor is fixedly connected with a common gear. The bottom end of the common gear is meshed and connected to the outer wall of the toothed ring. A screening barrel is arranged on the inner wall of the drum. A plurality of material lifting plates are fixedly connected to the inner wall of the screening barrel. A hot air blower is arranged at the right end of the left concave disc. A ventilation pipe is fixedly connected to the middle of the opposite ends of the concave discs. A multi-way pipe head is arranged on the right side of the ventilation pipe. The right end of the ventilation pipe passes through the middle of the left concave disc and is fixedly connected to the right end of the hot air blower. A plurality of fixed pipes are fixedly connected to the connection ports on the outer wall of the multi-way pipe head. The fixed pipes are fixedly connected to the outer wall of the screening barrel. A plurality of air outlet nozzles are arranged at one end of the fixed pipe in contact with the screening barrel.

[0007] Furthermore, a discharge port is arranged at the bottom end of the left concave disc, and a feed port is arranged at the right end of the right concave disc.

[0008] Further, a bottom plate is provided below the drum, and sliding grooves are provided at the left ends of the front and rear sides of the bottom plate.

[0009] Further, movable brackets are movably connected inside the sliding grooves, and the opposite ends of the movable brackets are fixedly connected to the opposite ends of the left connecting shaft.

[0010] Further, fixing frames are fixedly connected to the right ends of the front and rear sides of the bottom plate, screws are rotatably connected to the middle parts of the fixing frames, and movable blocks are movably connected inside the fixing frames.

[0011] Further, a first bevel gear is fixedly connected to the bottom end of the screw, and the outer wall of the screw is threadedly connected to the middle part of the movable block.

[0012] Further, a double-shaft motor is fixedly connected to the middle of the right side of the upper surface of the bottom plate, second bevel gears are fixedly connected to the opposite ends of the drive shafts of the double-shaft motor, and the upper ends of the second bevel gears are meshed and connected to the outer wall of the first bevel gear.

[0013] Further, a fixing rod is fixedly connected to the middle of the left end of the fixing frame, and the left end of the fixing rod penetrates and is slidably connected to the middle of the movable bracket.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the motor drives the gear and the toothed ring to rotate, thereby driving the drum, the screening barrel, the material lifting plate, etc. to screen the granulation raw materials, removing the impurities mixed in the raw materials, and improving the quality of granulation.

[0016] 2. In the utility model, by arranging the hot air blower, the multi-way pipe head, etc., the hot air is blown from the inside and the outer wall of the screening barrel respectively, which is convenient for the granulation raw materials to be heated evenly and improves the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the drum of a drying mechanism of a dry granulator proposed by the utility model;

[0018] Figure 2 is a schematic diagram of the screening barrel of a drying mechanism of a dry granulator proposed by the utility model;

[0019] Figure 3 is a schematic diagram of the material lifting plate of a drying mechanism of a dry granulator proposed by the utility model;

[0020] Figure 4 is a schematic diagram of the multi-way pipe head of a drying mechanism of a dry granulator proposed by the utility model;

[0021] Figure 5Schematic diagram of the overall front structure of a drying mechanism of a dry granulator proposed by the present utility model;

[0022] Figure 6 Schematic diagram of a hot air blower of a drying mechanism of a dry granulator proposed by the present utility model.

[0023] Legend:

[0024] 1. Drum; 2. Tooth ring; 3. Concave disc; 4. Connecting shaft; 5. First motor; 6. Ordinary gear; 7. Screening barrel; 8. Material lifting plate; 9. Vent pipe; 10. Multi-way pipe head; 11. Fixed pipe; 12. Air outlet head; 13. Hot air blower; 14. Impurity discharge port; 15. Discharge port; 16. Feed port; 17. Bottom plate; 18. Slide groove; 19. Movable support; 20. Fixed frame; 21. Screw; 22. First bevel gear; 23. Movable block; 24. Biaxial motor; 25. Second bevel gear; 26. Fixed rod. Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Refer to Figures 1-4 , an embodiment provided by the present utility model: A drying mechanism of a dry granulator includes a drum 1. A tooth ring 2 is fixedly connected to the left side of the outer wall of the drum 1. An impurity discharge port 14 is arranged at the upper end of the drum 1. Both the left and right ends of the drum 1 are rotatably connected to a concave disc 3. Both the left and right ends of the concave disc 3 are rotatably connected to a connecting shaft 4. The top end of the left concave disc 3 is fixedly connected to a first motor 5. The right end of the driving shaft of the first motor 5 is fixedly connected to an ordinary gear 6. The bottom end of the ordinary gear 6 is meshed and connected to the outer wall of the tooth ring 2. A screening barrel 7 is arranged inside the drum 1. A plurality of material lifting plates 8 are fixedly connected to the inner wall of the screening barrel 7. A hot air blower 13 is arranged at the right end of the left concave disc 3. A vent pipe 9 is fixedly connected to the middle of the opposite ends of the concave disc 3. A multi-way pipe head 10 is arranged on the right side of the vent pipe 9. The right end of the vent pipe 9 penetrates through the middle of the left concave disc 3 and is fixedly connected to the right end of the hot air blower 13. A plurality of fixed pipes 11 are fixedly connected to the connection ports on the outer wall of the multi-way pipe head 10. The fixed pipes 11 are fixedly connected to the outer wall of the screening barrel 7. A plurality of air outlet heads 12 are arranged at one end of the fixed pipe 11 in contact with the screening barrel 7. An outlet port 15 is arranged at the bottom end of the left concave disc 3. A feed port 16 is arranged at the right end of the right concave disc 3.

[0027] Specifically, the first motor 5 drives the ordinary gear 6 to rotate. The ordinary gear 6 drives the overall rotation of the drum 1 through cooperation with the toothed ring 2. The screening bucket 7 rotates following the drum 1. The hot air blower 13 sends hot air into the interior of the screening bucket 7 through the multi-pass pipe head 10. The lifting plates 8 on the inner wall of the screening bucket 7 flip and disperse the granulation raw materials to facilitate uniform heating. In addition, part of the hot air is shunted from the multi-pass pipe head 10 into the fixed pipe 11, and then the hot air is sent into the interior of the screening bucket 7 from the outer wall of the screening bucket 7, which is beneficial to accelerating the drying efficiency. In addition, the screened impurities first enter the inner wall of the drum 1. When the discharge port 14 rotates to the bottommost end, the impurities are discharged from the discharge port 14 under the action of gravity.

[0028] Refer to Figure 5 and Figure 6 , a bottom plate 17 is arranged below the drum 1. The left ends of the front and rear sides of the bottom plate 17 are both provided with sliding grooves 18. The inner parts of the sliding grooves 18 are both movably connected with movable brackets 19. The opposite ends of the movable brackets 19 are fixedly connected to the opposite ends of the left connecting shaft 4. The right ends of the front and rear sides of the bottom plate 17 are both fixedly connected with fixed frames 20. The middle parts of the fixed frames 20 are both rotatably connected with screw rods 21. The inner parts of the fixed frames 20 are both movably connected with movable blocks 23. The bottom ends of the screw rods 21 are fixedly connected with first bevel gears 22. The outer walls of the screw rods 21 are threadedly connected to the middle parts of the movable blocks 23. The middle part of the upper surface of the bottom plate 17 is fixedly connected with a double-shaft motor 24. The opposite ends of the drive shafts of the double-shaft motor 24 are both fixedly connected with second bevel gears 25. The upper ends of the second bevel gears 25 are both meshed and connected to the outer walls of the first bevel gears 22. The middle part of the left end of the fixed frame 20 is fixedly connected with a fixed rod 26. The left end of the fixed rod 26 penetrates through and is slidably connected to the middle part of the movable bracket 19.

[0029] Specifically, when the double-shaft motor 24 is started, the double-shaft motor 24 drives the second bevel gear 25 to rotate. The second bevel gear 25 cooperates with the first bevel gear 22 to drive the movable block 23 to rotate, thereby lifting the movable block 23 upward, causing the overall inclination of the drum 1, which is beneficial to accelerating the discharging speed. The upward lifting of the right end of the drum 1 will drive the left end of the drum 1 to move to the right. By arranging the sliding grooves 18, movable brackets 19 and fixed frames 20, the overall stability of the left end of the drum 1 is improved during the process of assisting in lifting the right end of the drum 1.

[0030] Working principle: When in use, pour the granulation raw materials into the inside of the screening barrel 7 from the feed inlet 16, start the first motor 5, the first motor 5 drives the ordinary gear 6 to rotate, the ordinary gear 6 cooperates with the toothed ring 2 to drive the roller 1 to rotate, the rotation of the roller 1 drives the internal screening barrel 7 to rotate so as to drive the screening barrel 7 to perform rotary screening. The screened impurities first enter the inner wall of the roller 1. When the impurity discharge port 14 rotates to the bottom end, under the action of gravity, the impurities are discharged from the impurity discharge port 14. At the same time, start the hot air blower 13, and the hot air blower 13 conveys the hot air into the inside of the screening barrel 7 through the air pipe 9. There is also part of the hot air that is shunted from the multi-way pipe head 10 and blows inwards from the outer wall of the screening barrel 7 to dry the granulation raw materials inside the screening barrel 7. Finally, start the double-shaft motor 24, the double-shaft motor 24 drives the second bevel gear 25 to rotate, the second bevel gear 25 cooperates with the first bevel gear 22 to drive the movable block 23 to lift so as to raise the right end of the roller 1, and the screening barrel 7 arranged inside the roller 1 is inclined, causing the raw materials inside it to move to the left and be discharged from the discharge port 15 arranged at the bottom of the left concave disc 3.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A drying mechanism of a dry granulator, characterized in that: The invention comprises a drum (1), wherein a toothed ring (2) is fixedly connected to the left side of the outer wall of the drum (1), a debris discharge port (14) is arranged at the upper end of the drum (1), a concave plate (3) is rotatably connected to the left and right ends of the drum (1), a connecting shaft (4) is rotatably connected to the left and right ends of the concave plate (3), a first motor (5) is fixedly connected to the top end of the left concave plate (3), a common gear (6) is fixedly connected to the right end of the driving shaft of the first motor (5), the bottom end of the common gear (6) is meshingly connected to the outer wall of the toothed ring (2), a screening barrel (7) is arranged on the inner wall of the drum (1), and the inner wall of the screening barrel (7) is fixedly connected to the A plurality of lifting plates (8) are connected, a hot air blower (13) is arranged at the right end of the left concave disc (3), a ventilation pipe (9) is fixedly connected to the middle of the opposite end of the concave disc (3), a multi-way pipe head (10) is arranged on the right side of the ventilation pipe (9), the right end of the ventilation pipe (9) passes through the middle of the left concave disc (3) and is fixedly connected to the right end of the hot air blower (13), a plurality of fixed pipes (11) are fixedly connected to the outer wall connection port of the multi-way pipe head (10), the fixed pipes (11) are fixedly connected to the outer wall of the screening barrel (7), and a plurality of air outlet pipe heads (12) are arranged at the end of the fixed pipe (11) that contacts the screening barrel (7).

2. A drying mechanism for a dry granulator according to claim 1, characterized in that: A discharge port (15) is arranged at the bottom end of the left concave disc (3), and a feed port (16) is arranged at the right end of the right concave disc (3).

3. The drying mechanism of the dry granulator according to claim 1, characterized in that: A bottom plate (17) is provided below the drum (1), and sliding grooves (18) are provided at the left ends of both the front and rear sides of the bottom plate (17).

4. A drying mechanism of a dry granulator according to claim 3, characterized in that: The interior of the slide groove (18) is movably connected to a movable bracket (19), and the opposite ends of the movable bracket (19) are fixedly connected to the opposite ends of the left connecting shaft (4).

5. The drying mechanism of the dry granulator according to claim 3, characterized in that: The right ends of both the front and rear sides of the bottom plate (17) are fixedly connected to a fixing frame (20), the middle of the fixing frame (20) is rotatably connected to a screw rod (21), and the interior of the fixing frame (20) is movably connected to a movable block (23).

6. A drying mechanism for a dry granulator according to claim 5, characterized in that: The bottom end of the screw rod (21) is fixedly connected to a first bevel gear (22), and the outer wall of the screw rod (21) is threadedly connected to the middle part of the movable block (23).

7. The drying mechanism of the dry granulator according to claim 3, characterized in that: A dual-axis motor (24) is fixedly connected to the middle right side of the upper surface of the bottom plate (17), and the opposite ends of the driving shafts of the dual-axis motor (24) are fixedly connected to second bevel gears (25), and the upper ends of the second bevel gears (25) are meshedly connected to the outer wall of the first bevel gear (22).

8. The drying mechanism of a dry granulator according to claim 5, characterized in that: A fixing rod (26) is fixedly connected to the middle of the left end of the fixing frame (20), and the left end of the fixing rod (26) passes through and is slidably connected to the middle of the movable bracket (19).

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