Pulsation screw mechanism of vertical dryer

Abstract

The utility model relates to a pulsating screw mechanism of a vertical dryer, which is characterized in that a main shaft is arranged in the dryer, the main shaft is in transmission connection with a motor through a crank mechanism so that the main shaft can rotate forwards or reversely, a push rod is arranged at a relative position on the main shaft, the front end of the push rod can be folded and reset, and a lead angle track is arranged around the main shaft. A conveying belt is laid on the spiral lead angle track, ascends and descends along the spiral lead angle track, the conveying belt is composed of a plurality of turning plates, one end of each turning plate automatically turns over to unload materials under the action of gravity, a plurality of baffles are arranged at the bottom of the conveying belt, and a push rod pushes the baffles through forward rotation of a main shaft. And the push rod is reset to the initial position through reverse rotation of the main shaft and makes contact with the baffle again. According to the utility model, in the drying process, materials always stand on the conveying belt to run without being extruded, and the drying device is simple in structure and high in working efficiency.

Description

Technical Field

[0001] The utility model relates to a pulsating spiral mechanism of a vertical drying machine. Background Technology

[0002] The more common vertical dryers on the market can be roughly divided into tower dryers and rake dryers. For drying of extrusion-resistant grain materials, tower dryers are mostly used in vertical dryers. Its working principle is that the material is loaded into the feed port and falls into the silo at the bottom of the tower. It is squeezed upward by the spiral blades and sent to the upper part of the silo. The material falls loosely, and the hot air in the silo heats and dehydrates the scattered material. After the material falls to the bottom of the silo, it is squeezed up by the spiral blades again and falls loosely, and the operation is cyclically repeated. For drying some materials that are afraid of extrusion, rake dryers are used. Its working principle is that the material is sent to the top of the rake dryer by the conveyor and falls into the first-layer disc. The rake plate in the disc rotates 360 degrees to push the material to the next layer. Contents of utility model

[0003] The utility model is a pulsating spiral mechanism of a vertical dryer, which has the advantages of small footprint and high degree of automation. The material is heated evenly and the heating time is long and applicable to a wide range, which greatly improves the production efficiency and product quality.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A pulsating spiral mechanism of a vertical dryer, characterized in that: a main shaft is arranged in the dryer, and the main shaft is connected to the motor through a crank mechanism for the main shaft to rotate forward or reversely, a push rod is arranged at a relative position on the main shaft, and the front end of the push rod can be folded and reset, a spiral rise angle track is arranged around the main shaft, a conveyor belt is laid on the spiral rise angle track, and the conveyor belt rises and falls along the spiral rise angle track, the conveyor belt is composed of a plurality of flaps, one end of the flap is automatically turned over by gravity to unload materials, a plurality of baffles are arranged at the bottom of the conveyor belt, the push rod pushes the baffle through the forward rotation of the main shaft, and the conveyor belt rotates and rises along the spiral rise angle track, and the push rod is reset to the initial position through the reverse rotation of the main shaft and contacts the baffle again.

[0006] The pulsating spiral mechanism of the vertical dryer, wherein: the outer wall of the dryer is provided with a feed inlet, a discharge port and an air inlet in sequence, and the air inlet is a shutter;

[0007] A top notch is provided at the top of the spiral rise angle track for the conveyor belt to unload materials. A detachable first track is provided at the inlet of the spiral rise angle track for the conveyor belt to unload materials. A detachable second track is provided at the outlet of the spiral rise angle track for the conveyor belt to unload materials.

[0008] The beneficial effects of the utility model: small footprint, high degree of automation, uniform heating of materials and a wide range of application for a long heating time, which greatly improves production efficiency and product quality. Brief Description of the Figures

[0009] Figure 1 This is the structural diagram of the pulsating spiral mechanism of the vertical dryer.

[0010] Figure 2 、 Figure 3 This is the structural diagram of the pulsating spiral mechanism of the vertical dryer when the main shaft rotates in the positive direction.

[0011] Figure 4 、 Figure 5 This is a structural diagram of the vertical dryer's pulsating spiral mechanism when the main shaft rotates in the opposite direction.

[0012] Description of reference numerals: 1-material; 2-conveyor belt; 3-push rod; 4-baffle; 5-spindle; 6-spiral rise angle track; 7-first track; 8-second track; 9-feeding port; 10-discharging port; 11-air inlet; 12-dryer; 13-top notch. Specific implementation method

[0013] If Figures 1 to 5 The pulsating spiral mechanism of a vertical dryer is characterized in that: a feed port 9, a discharge port 10 and an air inlet 11 are arranged on the outer wall of the dryer 12 in sequence, the air inlet 11 is a shutter, a main shaft 5 is arranged in the dryer 12, the main shaft 5 is connected to the motor through a crank mechanism, and the main shaft 5 is rotated in the forward or reverse direction, a push rod 3 is arranged at a relative position on the main shaft 5, the front end of the push rod 3 can be folded and reset, and a spiral rise angle track 6 is arranged around the main shaft 5, and the spiral rise angle track A conveyor belt 2 is laid on the track 6, and the conveyor belt 2 rises and falls along the spiral angle track 6. The conveyor belt 2 is composed of a plurality of flaps, and one end of the flaps automatically flips over due to gravity to unload the material 1. A plurality of baffles 4 are arranged at the bottom of the conveyor belt 2. The push rod 3 pushes the baffle 4 through the positive rotation of the main shaft 5, so that the conveyor belt 2 rotates and rises along the spiral angle track 6. The push rod 3 is reset to the initial position through the reverse rotation of the main shaft 5 and contacts the baffle 4 again.

[0014] A top notch 13 is provided at the top of the spiral lift angle track 6 for the conveyor belt 2 to unload the material 1. A detachable and removable first track 7 is provided at the inlet 9 of the spiral lift angle track 6 for the conveyor belt 2 to unload the material 1. A detachable and removable second track 8 is provided at the outlet 10 of the spiral lift angle track 6 for the conveyor belt 2 to unload the material 1.

[0015] In the embodiment, the material 1 is poured onto the conveyor belt 2 through the inlet 9. The motor is started. The motor drives the main shaft 5 to rotate forward, and at the same time drives the push rod 3 to rotate. The push rod 3 moves horizontally and pushes the baffle 4. The baffle 4 drives the conveyor belt 2 to move upward along the spiral lift angle track 6. After the conveyor belt 2 moves upward to a certain extent, the push rod 3 separates from the baffle 4. At this time, the conveyor belt 2 loses power and temporarily stops moving upward. The main shaft 5 is driven to rotate in the opposite direction and contacts the baffle 4 again. Since the front end of the push rod 3 can be folded, it passes under the baffle 4. The push rod 3 returns to its initial position. The motor drives the main shaft 5 to rotate forward again. Through such a repeated upward process, the material 1 on the conveyor belt 2 is gradually lifted to the top of the equipment. A top notch 13 is provided at the top of the spiral lift angle track 6. The flap of the conveyor belt 2 automatically flips due to the top notch 13, and the material 1 falls onto the conveyor belt 2 moving downward along the spiral lift angle track 6. The first track 7 is detached from the spiral lift angle track 6. When the conveyor belt 2 moving downward reaches the first track 7, the flap of the conveyor belt 2 automatically flips due to the absence of the first track 7, and the material 1 falls onto the conveyor belt 2 moving upward along the spiral lift angle track 6. The material 1 rises again with the conveyor belt 2, forming a cycle in turn. The heating device is turned on to bake the material.

[0016] After baking the material 1, the removed first track 7 is reinstalled in place. The second track 8 is detached from the spiral lift angle track 6. When the conveyor belt 2 moving downward reaches the second track 8, the flap of the conveyor belt 2 automatically flips due to the absence of the second track 8. After baking, the material 1 is conveyed out of the dryer 12 through the outlet 10.

[0017] The above description is illustrative rather than restrictive to the present invention. Those of ordinary skill in the art understand that without departing from the spirit and scope defined by the claims, many modifications, variations or equivalents can be made, but all will fall within the protection scope of the present invention.

Claims

1. A pulsating spiral mechanism of a vertical dryer, characterized in that: A main shaft (5) is arranged in the dryer (12), and the main shaft (5) is connected to the motor through a crank mechanism so that the main shaft (5) can rotate in the forward or reverse direction. A push rod (3) is arranged at a relative position on the main shaft (5), and the front end of the push rod (3) can be folded and reset. A spiral rise angle track (6) is arranged around the main shaft (5), and a conveyor belt (2) is laid on the spiral rise angle track (6). The conveyor belt (2) rises and falls along the spiral rise angle track (6). The conveyor belt (2) is composed of a plurality of flaps, one end of which is automatically turned over by gravity to unload the material (1). A plurality of baffles (4) are arranged at the bottom of the conveyor belt (2). The push rod (3) pushes the baffle (4) by the positive rotation of the main shaft (5) so that the conveyor belt (2) rotates and rises along the spiral rise angle track (6). The push rod (3) is reset to the initial position by the reverse rotation of the main shaft (5) and contacts the baffle (4) again.

2. A pulsating spiral mechanism for a vertical dryer as claimed in claim 1, characterized in that: An inlet (9), an outlet (10) and an air inlet (11) are sequentially arranged on the outer wall of the drying machine (12), and the air inlet (11) is a shutter; A top notch (13) is provided at the top of the spiral angle track (6) for the conveyor belt (2) to unload the material (1); a detachable first track (7) is provided at the inlet (9) of the spiral angle track (6) for the conveyor belt (2) to unload the material (1); and a detachable second track (8) is provided at the outlet (10) of the spiral angle track (6) for the conveyor belt (2) to unload the material (1).

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