Quantitative vertical rotary feeder

Abstract

The utility model particularly relates to a quantitative vertical rotary feeder which comprises a shell, the top and the bottom of the shell are respectively connected with a top plate and a bottom plate, the central position of the shell is rotatably connected with a vertically arranged shaft, the outside of the shaft is fixedly connected with a plurality of circumferentially distributed impellers, and a material distribution cavity is formed between every two adjacent impellers. The impeller is located in the shell, a gap adjusting device used for adjusting the gap between the top plate and the impeller is installed at the top of the shaft, a feeding port is formed in the top plate, a discharging port is formed in the bottom plate, the side portion of the top plate is communicated with a plurality of air inlet pipes, and a limiting mechanism is arranged between the clamping sleeve and the shaft. The distance between the rotor and the top plate is adjusted through the gap adjusting device, so that friction force is reduced.

Description

Technical Field

[0001] The utility model relates to the field of feeder equipment, in particular to a quantitative vertical rotary feeder. Background Art

[0002] A rotary feeder is a device that delivers materials in a continuous, quantitative manner. A motor drives the impellers, creating a cavity between each impeller and the housing. Material enters through the feed port and fills the cavity, achieving quantitative delivery. However, there are certain errors during feeder installation, which can easily lead to a lack of clearance between the impeller and the top and bottom plates. This creates significant friction, damages the impeller, and makes subsequent adjustments difficult. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the utility model provides a quantitative vertical rotary feeder.

[0004] The technical solution of the utility model is achieved as follows: a quantitative vertical rotary feeder includes a shell, the top and bottom of the shell are respectively connected to a top plate and a bottom plate, the center of the shell is rotatably connected to a vertically arranged shaft, the outside of the shaft is fixedly connected to a plurality of circumferentially distributed impellers, a material distribution chamber is formed between each two adjacent impellers, the impellers are located in the shell, and a gap adjustment device for adjusting the gap between the top plate and the impeller is installed on the top of the shaft. The gap adjustment device includes a clamping sleeve, the longitudinal section of the clamping sleeve is a convex structure, and the clamping sleeve The sleeve is mounted on the outside of the top of the shaft, and a bolt is threadedly connected to the center position of the top plate of the clamping sleeve. The bottom of the bolt abuts against the top of the shaft, and a fastening nut is threaded on the bolt. The side wall of the lower part of the clamping sleeve is fixedly connected to the top of the impeller. A feed port is provided on the top plate, a discharge port is provided on the bottom plate, and an auxiliary unloading device is provided on the side of the top plate. A limiting mechanism is provided between the clamping sleeve and the shaft. The limiting mechanism includes a limiting groove, which is symmetrically provided on the inner wall of the clamping sleeve. Limiting blocks are provided on both sides of the shaft, and the limiting blocks cooperate with the limiting grooves.

[0005] The gap between the outer end surface of the impeller and the inner side surface of the casing is 0.5 mm.

[0006] The auxiliary unloading device includes several air inlet pipes, which are connected to the side of the top plate. Several air vents are opened on the top of the top plate and connected to the air inlet pipes. The diameters of the air vents gradually increase, and the air vents are located above the discharge port.

[0007] The outside of the side wall of the upper part of the clamping sleeve is fixedly connected with a stirring blade.

[0008] The discharge port of the bottom plate is connected with a discharge pipe with a variable diameter.

[0009] The technical solution of the present invention has the following positive effects: an auxiliary unloading device is provided on the side of the top plate of the present invention, an inert gas is introduced into the air inlet pipe, and a vent is provided on the top plate, and the vent is located above the discharge port to accelerate the discharge of the material from the distribution chamber; the distance between the rotor and the top plate is adjusted by the gap adjustment device, thereby reducing friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the structural front view of the utility model.

[0011] Figure 2 It is a top view of the structure of the utility model.

[0012] Figure 3 for Figure 1 Cross-sectional view at KK in the figure.

[0013] Figure 4 This is a connection diagram of the clamping sleeve, shaft and bolt.

[0014] Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle. DETAILED DESCRIPTION

[0015] like Figure 1-5As shown, a quantitative vertical rotary feeder comprises a shell 1, the top and bottom of the shell 1 are respectively connected to a top plate 2 and a bottom plate 3, the center position of the shell 1 is rotatably connected to a vertically arranged shaft 4, the shaft 4 is connected to a driving motor, the driving motor is the prior art and is not described here in detail, the outside of the shaft 4 is fixedly connected to a plurality of circumferentially distributed impellers 5, and a distributing chamber 6 is formed between each two adjacent impellers 5, the impeller 5 is located in the shell 1, and a gap adjustment device for adjusting the gap between the top plate 2 and the impeller 5 is installed on the top of the shaft 4, the gap adjustment device comprises a clamping sleeve 7, the longitudinal section of the clamping sleeve 7 is a convex structure, the clamping sleeve 7 is sleeved on the outside of the top of the shaft 4, a bolt 8 is passed through the center position of the top plate of the clamping sleeve 7, the bottom of the bolt 8 is in contact with the top of the shaft 4, the bolt 8 is threadedly connected to a fastening nut 9 at the top of the clamping sleeve 7, the side wall of the lower part of the clamping sleeve 7 is fixedly connected to the top of the impeller 5, and an inlet is opened on the top plate 2 The material inlet 11 and the discharge port 12 are provided on the bottom plate 3, and an auxiliary unloading device is provided on the side of the top plate 2. A limiting mechanism is provided between the clamping sleeve 7 and the shaft 4, and the limiting mechanism includes a limiting groove 16. The limiting groove 16 is symmetrically provided on the inner wall of the clamping sleeve 7, and limiting blocks 17 are provided on both sides of the shaft 4, and the limiting blocks 17 cooperate with the limiting groove 16; specifically, the material enters from the feed port 11 of the top plate 2 and enters the distribution chamber 6, and the driving motor drives the shaft 4 to rotate, and the impeller 5 connected to the shaft 4 rotates, thereby rotating the material in the distribution chamber 6 to the discharge port 12; the step of adjusting the gap is to adjust the position of the fastening nut 9, rotate the bolt 8, and the limiting block 17 cooperates with the limiting groove 16, so that the clamping sleeve 7 moves up and down along the bolt 8, and the impeller fixedly connected to the clamping sleeve 7 also moves up and down. After the clamping sleeve 7 is adjusted, the fastening nut 9 is pressed against the clamping sleeve 7; the limiting mechanism causes the clamping sleeve 7 to move up and down without rotating.

[0016] The gap between the outer end surface of the impeller 5 and the inner side surface of the housing 1 is 0.5 mm. Specifically, the impeller 5 rotates, and there is a certain interval between the impeller 5 and the housing 1 when the impeller 5 rotates to reduce friction.

[0017] The auxiliary unloading device includes several air inlet pipes 13, which are connected to the side of the top plate 2. Several air vents 14 are opened on the top of the top plate 2 and connected to the air inlet pipes 13. The diameter of the air vents 14 gradually increases; specifically, inert gas is introduced into the air inlet pipes 13, and the gas goes out from the air vents 14, accelerating the material to quickly go out of the distribution chamber 6 from the discharge port 12.

[0018] A stirring blade 10 is fixedly connected to the outside of the side wall of the upper portion of the clamping sleeve 7 , and the stirring blade 10 is located above the top plate 2 ; the material entering the top plate 2 enters the feed port 11 through the stirring blade 10 .

[0019] A variable diameter discharge pipe 15 is connected to the discharge port 12 of the bottom plate 3 ; the diameter of the discharge pipe 15 decreases from top to bottom, which can reduce blockage.

Claims

1. A quantitative vertical rotary feeder, characterized by: The cam is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, and a plurality of camshafts are provided on the top of the camshaft to adjust the gap between the top plate and the impeller.

2. A quantitative vertical rotary feeder according to claim 1, characterized in that: The gap between the outer end surface of the impeller and the inner side surface of the casing is 0.5 mm.

3. The quantitative vertical rotary feeder according to claim 1, characterized in that: The auxiliary unloading device includes several air inlet pipes, which are connected to the side of the top plate. Several air vents are opened on the top of the top plate and connected to the air inlet pipes. The diameters of the air vents gradually increase, and the air vents are located above the discharge port.

4. The quantitative vertical rotary feeder according to claim 1, characterized in that: The outside of the side wall of the upper part of the clamping sleeve is fixedly connected with a stirring blade.

5. The quantitative vertical rotary feeder according to claim 1, characterized in that: The discharge port of the bottom plate is connected with a discharge pipe with a variable diameter.

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