Novel feeding mechanism of air conveying chute

Abstract

The novel feeding mechanism comprises an air chute body, a feeding bin is arranged on the upper portion of a feeding port of the air chute body, an intermittent discharging structure is arranged in the feeding bin, a middle bin is arranged at the top of the feeding bin, an impact scattering structure is arranged in the middle bin, and the air chute body is arranged in the middle bin. The utility model relates to the technical field of powdery material conveying in the cement production and manufacturing industry, powdery materials in the powder hopper firstly enter the middle bin, under the impact action of the impact scattering structure, cakes in the powder are scattered, the dispersion degree of the powder is improved, and the powder in the powder hopper is uniformly dispersed. The powder further enters the feeding bin, the discharging flow speed of the powder is adjusted by controlling the rotation speed of the intermittent discharging structure, the structure is simple, reliability is high, and normal operation of the air chute body and follow-up equipment is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of powder material conveying in cement production and manufacturing industry, in particular to a novel feeding mechanism of an air conveying chute. Background Art

[0002] The air conveying chute is a pneumatic conveying equipment widely used for conveying dry powdered materials. It is often used to convey cement and raw material powder in the cement industry. As a conveying equipment for fluidizing powdered materials, the main part of the air conveying chute has no transmission parts, and has a series of advantages such as low energy consumption, less wear, good sealing, easy maintenance, flexible layout, arbitrary change of conveying direction, and multi-point feeding and unloading. It is widely used. However, there are at least the following defects in the use of existing air chutes: 1. During the feeding process, the material cannot be broken up. If there are wet lumps in the fed material that cannot be fluidized, it will affect the normal conveying stability of the chute; 2. The direct feeding speed is too fast, and the falling flow rate is only adjusted by the gate valve, which has a poor effect and is easy to cause material accumulation, thereby affecting the conveying efficiency. In view of this, in-depth research on the above problems resulted in this case. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a novel feeding mechanism of an air conveying chute, which solves the problems raised in the background technology.

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a new type of air conveying chute feeding mechanism, including an air chute body, a feeding bin is arranged on the upper part of the feeding port of the air chute body, an intermittent discharge structure is arranged in the feeding bin, an intermediate bin is arranged on the top of the feeding bin, an impact breaking structure is arranged in the intermediate bin, and the upper part of the intermediate bin is connected with the discharge port of the powder hopper through a feeding pipe;

[0005] The impact breaking up structure includes fixed rollers arranged along a circular array on the inner wall of the intermediate bin and a rotary drive assembly arranged on the top of the intermediate bin. The output end of the rotary drive assembly is connected to a fixed shaft, which extends into the intermediate bin. The fixed shaft is provided with impact rollers, which are arranged alternately with the fixed rollers, and a vibrating assembly is installed at the lower end of the fixed shaft.

[0006] The rotary drive assembly comprises a rotary motor and a first reducer, wherein the input end of the rotary motor is connected to the output end of the first reducer, and the output end of the first reducer is connected to the fixed shaft.

[0007] The above-mentioned vibration assembly includes an annular seat, a compression spring and a V-shaped vibration rod. The annular seat is welded to the lower end of the fixed shaft, the compression spring is arranged on the side wall of the annular seat along an annular array, and the V-shaped vibration rod is installed on one end of the compression spring.

[0008] The intermittent material discharge structure includes a servo drive assembly, a rotating shaft and a material shifting assembly. The servo drive assembly is arranged on the side wall of the feed bin. The rotating shaft is rotatably inserted in the feed bin and one end is connected to the servo drive assembly. The material shifting assembly is arranged on the rotating shaft.

[0009] The servo drive assembly comprises a servo motor and a second reducer, the driving end of the servo motor is connected to the input end of the second reducer, and the output end of the second reducer is connected to the rotating shaft.

[0010] The material shifting assembly comprises a fixed sleeve and a material shifting baffle plate, wherein the fixed sleeve is sleeved on the rotating shaft, and the material shifting baffle plate is welded to the side wall of the fixed sleeve along a circular array.

[0011] The feed bin and the side walls of the intermediate bin are both provided with transparent observation windows.

[0012] The utility model provides a new type of feeding mechanism for an air conveying chute. It has the following beneficial effects: the new type of feeding mechanism for an air conveying chute transforms the feeding end of the existing air chute main body, adds a feeding bin and an intermediate bin on the top of the feeding port, and the powdered material in the powder hopper first enters the intermediate bin, and under the impact of the impact breaking structure, the lumps in the powder are broken up to improve the dispersion of the powder, and the powder further enters the feeding bin, and the feeding flow rate of the powder is adjusted by controlling the rotation speed of the intermittent discharge structure, the structure is simple, the reliability is high, and the normal operation of the air chute main body and subsequent equipment is effectively guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the new air conveying chute feeding mechanism of the utility model.

[0014] Figure 2 It is a side structural schematic diagram of the novel air conveying chute feeding mechanism of the utility model.

[0015] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure.

[0016] Figure 4 For this utility model Figure 3 Schematic diagram of the top cross-sectional structure.

[0017] In the figure: 1. air chute body; 2. feed bin; 3. intermediate bin; 4. powder hopper; 5. fixed roller; 6. fixed shaft; 7. impact roller; 8. rotary motor; 9. first reducer; 10. annular seat; 11. compression spring; 12. V-shaped vibrating rod; 13. rotating shaft; 14. servo motor; 15. second reducer; 16. fixed sleeve; 17. material baffle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment: In conjunction with the specification Figure 1-4It can be seen that in order to solve the problem in the prior art that the material cannot be broken up during the feeding process of the air chute, if there are wet lumps in the fed material that cannot be fluidized, it will affect the normal conveying stability of the chute, and the feeding speed is too fast, which will easily cause the material to accumulate and affect the conveying efficiency, a new feeding mechanism of the air conveying chute is specifically designed, a feeding bin 2 is arranged on the upper part of the feeding port of the air chute main body 1, an intermittent discharging structure is arranged in the feeding bin 2, an intermediate bin 3 is arranged on the top of the feeding bin 2, an impact breaking structure is arranged in the intermediate bin 3, and the upper part of the intermediate bin 3 is passed through The feed pipe is connected to the discharge port of the powder hopper 4; the impact breaking structure includes fixed rollers 5 arranged on the inner wall of the intermediate bin 3 along the annular array and a rotary drive component arranged on the top of the intermediate bin 3, the output end of the rotary drive component is connected to a fixed shaft 6, the fixed shaft 6 extends into the intermediate bin 3, and an impact roller 7 is mounted on the fixed shaft 6. The impact roller 7 and the fixed roller 5 are arranged alternately, and a vibrating component is installed at the lower end of the fixed shaft 6; the above-mentioned rotary drive component includes a rotary motor 8 and a first reducer 9, the input end of the rotary motor 8 is connected to the output end of the first reducer 9 The output end of the first reducer 9 is connected to the fixed shaft 6, wherein the vibrating assembly includes an annular seat 10, a compression spring 11 and a V-shaped vibrating rod 12, the annular seat 10 is welded to the lower end of the fixed shaft 6, the compression spring 11 is arranged on the side wall of the annular seat 10 along the annular array, and the V-shaped vibrating rod 12 is installed on one end of the compression spring 11. The feed end of the existing air chute body 1 is modified, and a feed bin 2 and an intermediate bin 3 are added at the top of the feed port. The powdered material in the powder hopper 4 first enters the intermediate bin 3, the rotary motor 8 is started, and the first reducer is used to rotate the motor 8. The speed reducer 9 drives the fixed shaft 6 to rotate. During the rotation of the fixed shaft 6, the impact roller 7 cooperates with the fixed roller 5 to impact the powdery material, thereby breaking up the lumps in the material and improving the dispersion of the powdery material. At the same time, the V-shaped vibrating rod 12 at one end of the compression spring 11 at the lower part of the fixed shaft 6 rotates synchronously to disturb the powdery material, so that the powdery material can smoothly enter the lower feeding bin 2. By controlling the rotation speed of the intermittent discharging structure, the discharge flow rate of the powdery material is adjusted. The structure is simple and the reliability is high, which effectively ensures the normal operation of the air chute main body 1 and subsequent equipment.

[0020] In the specific implementation process, as a preferred setting, the intermittent discharge structure includes a servo drive component, a rotating shaft 13 and a material-digging component. The servo drive component is arranged on the side wall of the feed bin 2, the rotating shaft 13 is rotatably inserted in the feed bin 2 and one end is connected to the servo drive component, and the material-digging component is arranged on the rotating shaft 13, wherein the servo drive component includes a servo motor 14 and a second reducer 15, the driving end of the servo motor 14 is connected to the input end of the second reducer 15, and the output end of the second reducer 15 is connected to the rotating shaft 13; the material-digging component includes a fixed sleeve 16 and a material-digging baffle 17, the fixed sleeve 16 It is mounted on the rotating shaft 13, and the material-discharging baffle 17 is welded on the side wall of the fixed sleeve 16 along the annular array. When in use, the servo motor 14 is started, and the speed of the servo motor 14 is controlled according to the material unloading demand. The output end of the servo motor 14 rotates and drives the second reducer 15 to move, so as to adjust the speed of the rotating shaft 13. During the rotation of the rotating shaft 13, the material-discharging baffle on the fixed sleeve 16 is driven to move. The accommodating space formed by the adjacent material-discharging baffles and the side wall of the feed bin 2 can temporarily store the powder, and it is put into the lower air chute body 1 during the rotation. The feeding speed is controllable, which can effectively avoid the accumulation of powder.

[0021] In the specific implementation process, as a preferred setting, the side walls of the above-mentioned feed bin 2 and the intermediate bin 3 are provided with transparent observation windows, which can observe the material feeding status at any time and adjust the feeding speed of the intermittent discharge structure according to actual conditions.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel feeding mechanism of an air conveying chute, comprising an air chute body, characterized in that: A feed bin is provided above the feed port of the air chute body, an intermittent discharge structure is provided in the feed bin, an intermediate bin is provided on the top of the feed bin, an impact breaking structure is provided in the intermediate bin, and the upper part of the intermediate bin is connected to the discharge port of the powder hopper through a feed pipe; The impact breaking up structure includes fixed rollers arranged along a circular array on the inner wall of the intermediate bin and a rotary drive assembly arranged on the top of the intermediate bin. The output end of the rotary drive assembly is connected to a fixed shaft, which extends into the intermediate bin. The fixed shaft is provided with impact rollers, which are arranged alternately with the fixed rollers, and a vibrating assembly is installed at the lower end of the fixed shaft.

2. The novel air conveying chute feeding mechanism according to claim 1 is characterized in that: The rotary drive assembly includes a rotary motor and a first reducer, the input end of the rotary motor is connected to the output end of the first reducer, and the output end of the first reducer is connected to the fixed shaft.

3. The novel air conveying chute feeding mechanism according to claim 1 is characterized in that: The vibrating assembly includes an annular seat, a compression spring and a V-shaped vibrating rod. The annular seat is welded to the lower end of the fixed shaft, the compression spring is arranged on the side wall of the annular seat along an annular array, and the V-shaped vibrating rod is installed on one end of the compression spring.

4. The novel air conveying chute feeding mechanism according to claim 1 is characterized in that: The intermittent material discharge structure includes a servo drive component, a rotating shaft and a material shifting component. The servo drive component is arranged on the side wall of the feed bin. The rotating shaft is rotatably inserted in the feed bin and one end is connected to the servo drive component. The material shifting component is arranged on the rotating shaft.

5. The novel air conveying chute feeding mechanism according to claim 4 is characterized in that: The servo drive assembly includes a servo motor and a second reducer, the driving end of the servo motor is connected to the input end of the second reducer, and the output end of the second reducer is connected to the rotating shaft.

6. The novel air conveying chute feeding mechanism according to claim 4 is characterized in that: The material shifting assembly comprises a fixed sleeve and a material shifting baffle plate, wherein the fixed sleeve is sleeved on the rotating shaft, and the material shifting baffle plate is welded on the side wall of the fixed sleeve along a ring array.

7. The novel air conveying chute feeding mechanism according to any one of claims 1 to 6, characterized in that: The side walls of the feed bin and the intermediate bin are both provided with transparent observation windows.

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