Bidirectional spiral feeding device for conveying powdery materials

Abstract

The utility model provides a bi-directional spiral feeding device for powdery material conveying, which comprises a driving component, a spiral shaft and spiral blades, the driving component is used for driving the spiral shaft to rotate, and two groups of spiral blades with opposite spiral directions are arranged on the spiral shaft along the axial direction. Materials are collected from the two ends of the spiral shaft to a discharging area between the two groups of spiral blades; at least one pushing blade is arranged between the two sets of spiral blades and installed on the spiral shaft, and the two ends of the pushing blade are connected with the two sets of spiral blades respectively. The two-way spiral feeding device for conveying the powdery materials is suitable for closed conveying of various powdery and granular materials with poor fluidity, the spiral shaft is driven to rotate through the driving assembly, the materials are collected from the two ends of the spiral shaft to the middle through the forward and reverse spiral blades, the blades are pushed to push the collected materials out of a discharging area, and therefore the materials are conveyed in a closed mode. Through the synergistic effect of the pushing blades and the spiral blades, it is ensured that materials can be smoothly pushed and conveyed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to conveying equipment technical field, especially a bidirectional spiral feeding device for powder material conveying. BACKGROUND

[0002] In the production process of metallurgical enterprises, the transmission of powder material depends on the forklift or crane grab to transport the material to the belt conveyor or transport vehicle. However, this method has many defects. First of all, the forklift and crane grab are mainly used for short-distance material handling and loading and unloading, and are inefficient in long-distance transportation. Secondly, its conveying capacity is limited, which is difficult to meet the needs of continuous feeding system. In addition, for loose powder and granular materials, the use of forklift or crane grab transportation is easy to cause material leakage and environmental pollution.

[0003] At present, the loose powder and granular material is usually transported by using a spiral feeding device, wherein two groups of spiral blades of the double-spiral feeding device are fixed on the same rotating shaft. In the process of gathering the material to the middle, the material is easy to accumulate between the two groups of spiral blades, which causes poor material conveying and affects the conveying efficiency. SUMMARY

[0004] In order to solve the problems existing in the prior art, the utility model aims at providing a bidirectional spiral feeding device for powder material conveying, which solves the problems of material accumulation in the discharge area of the existing double-spiral feeding device and poor material conveying.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A bidirectional spiral feeding device for powder material conveying, comprising a driving assembly, a spiral shaft and spiral blades, the driving assembly is used for driving the spiral shaft to rotate, two groups of spiral blades with opposite spiral directions are arranged on the spiral shaft in the axial direction, so that the material is gathered from both ends of the spiral shaft to the discharge area between the two groups of spiral blades;

[0007] At least one pushing blade for pushing the material out of the discharge area is arranged between the two groups of spiral blades, the pushing blade is installed on the spiral shaft, and the two ends of the pushing blade are connected with the two groups of spiral blades respectively.

[0008] Further, the number of the pushing blades is three, which are pushing blade one, pushing blade two and pushing blade three, and the three pushing blades are uniformly distributed in the circumferential direction of the spiral shaft.

[0009] Further, the lengths of the three pushing blades correspond to the distances between the adjacent ends of the two groups of spiral blades.

[0010] Further, the pushing blade is welded on the spiral shaft.

[0011] Further, the pushing blade and the spiral blade are both made of stainless steel plate, and the spiral shaft is made of stainless steel pipe.

[0012] Further, the driving assembly comprises a motor and a speed reducer, and an output end of the motor is connected with one end of the spiral shaft through the speed reducer.

[0013] Further, a conveying belt is arranged below the discharging area, and the angle between the conveying belt and the horizontal plane is not 0.

[0014] Further, the angle between the conveying belt and the horizontal plane is 5 degrees.

[0015] Compared with the prior art, the bidirectional spiral feeding device for powder material conveying has the following advantages:

[0016] The bidirectional spiral feeding device for powder material conveying is suitable for closed conveying of various poor flowability powder and granular materials, the spiral shaft is driven to rotate through the driving assembly, the forward and reverse spiral blades collect the materials from both ends of the spiral shaft to the middle, the pushing blades push the collected materials out of the discharging area, through the cooperation of the pushing blades and the spiral blades, the materials can be smoothly pushed and conveyed, the materials are loosened and stirred, efficient and stable conveying of the materials is realized, the device has good material adaptability, can reduce labor and material loss, and improves conveying efficiency and stability. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0018] Fig. 1 The overall structure front view is provided for the embodiments of the present application;

[0019] Fig. 2 The overall structure rear view is provided for the embodiments of the present application;

[0020] Fig. 3 The overall structure schematic view is provided for the embodiments of the present application.

[0021] Explanation of reference signs:

[0022] 1, driving assembly; 11, motor; 12, speed reducer; 2, spiral shaft; 3, forward spiral blade; 4, reverse spiral blade; 5, pushing blade; 51, pushing blade one; 52, pushing blade two; 53, pushing blade three. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] As shown in Figs. 1 to 3 A bidirectional spiral feeding device for powder material conveying, comprising a driving assembly 1, a spiral shaft 2, a forward spiral blade 3 and a reverse spiral blade 4, the driving assembly 1 is used for driving the spiral shaft 2 to rotate, two groups of spiral blades with opposite spiral directions are arranged on the spiral shaft 2 in the axial direction, and the discharge area is between the two groups of spiral blades, so that the material is collected from both ends of the spiral shaft 2 to the middle and output from the discharge area, and the two groups of spiral blades are respectively the forward spiral blade 3 and the reverse spiral blade 4.

[0028] At least one pushing blade 5 for pushing the material output is arranged between the two groups of spiral blades, the pushing blade 5 is installed on the spiral shaft 2, and the two ends are respectively connected with the two groups of spiral blades.

[0029] The bidirectional spiral feeding device drives the rotation of the spiral shaft 2 through the driving assembly 1, and the forward spiral blade 3 and the reverse spiral blade 4 collect the materials from both ends of the spiral shaft to the middle, and the pushing blade 5 pushes the collected materials out of the discharging area, so that the materials are efficiently and stably conveyed, the material adaptability is good, the labor and material loss can be reduced, and the conveying efficiency and stability are improved.

[0030] In a preferred embodiment of the utility model, the number of pushing blades 5 is three, which are pushing blade one 51, pushing blade two 52 and pushing blade three 53, and the three pushing blades 5 are evenly distributed in the circumferential direction of the spiral shaft 2.

[0031] Specifically, the three pushing blades are evenly distributed, which can adapt to the conveying of various powdery and granular materials, especially for materials with poor fluidity, through the synergistic effect of the pushing blade and the spiral blade, the materials can be smoothly pushed and conveyed, and the application range of the device is expanded. At the same time, it plays the role of loosening, stirring and conveying materials, enhances the overall stability, optimizes the material distribution efficiency, and meets the material conveying demand under different working conditions.

[0032] In a preferred embodiment of the utility model, the lengths of the three pushing blades 5 correspond to the distances between the adjacent ends of the two groups of spiral blades.

[0033] Specifically, the lengths of the three pushing blades correspond to the distances between the adjacent ends of the two groups of spiral blades, which ensures that the pushing blades can accurately contact the materials collected by the spiral blades, realizes accurate material pushing, and avoids material residue and accumulation in the discharging area. The width of the pushing blade 5 can be set according to the actual situation.

[0034] In a preferred embodiment of the utility model, the pushing blade 5 is welded on the spiral shaft 2. The welding ensures that the pushing blade 5 can stably rotate with the spiral shaft 2 during the material conveying process, and the loosening or falling off does not occur, so as to ensure the reliable operation of the equipment and reduce the downtime caused by connection problems.

[0035] In a preferred embodiment of the utility model, the pushing blade 5 is made of wear-resistant stainless steel plate. The spiral blade is made of wear-resistant stainless steel plate. The spiral shaft 2 is made of wear-resistant stainless steel pipe. During the material conveying process, the spiral blade and the pushing blade directly contact with the powdery and granular materials and bear a large friction force. The use of wear-resistant stainless steel material can significantly improve the wear resistance of these components and reduce the wear caused by material friction, thereby prolonging the service life of the equipment.

[0036] In a preferred embodiment of the utility model, the driving assembly 1 includes motor 11 and speed reducer 12, the output end of motor 11 is connected with one end of spiral shaft 2 through speed reducer 12. Motor 11 is used as power source, provides necessary power for the operation of whole spiral feeding device, ensures that spiral shaft 2 can rotate stably, thereby drives spiral blade and push blade to work, realizes the conveying of material. By adjusting speed reducer 12, the rotating speed of spiral shaft 2 can be controlled, and then the conveying speed of material is controlled to adapt to different production requirements and material characteristics.

[0037] In a preferred embodiment of the utility model, the discharge area is provided below with a conveying belt, and the included angle between the conveying belt and the horizontal plane is not 0, preferably 5 degrees in the embodiment. The conveying belt is arranged at a certain inclination angle, which can make the material naturally slide under the action of gravity, and realize the continuous conveying of material in combination with the pushing action of spiral blade. This design fully utilizes the gravity of material, reduces power consumption and improves conveying efficiency.

[0038] The inclination angle can be adjusted according to actual production requirements to adapt to the material conveying requirements of different heights, so that the device has better versatility and flexibility.

[0039] The working process of a bidirectional spiral feeding device for powder material conveying:

[0040] The two sides of the bidirectional spiral feeding device are feeding ports, and the lower part is a discharge port. Motor 11 drives spiral shaft 2 to rotate, and the material is collected from both ends of spiral shaft 2 to the discharge area through forward spiral blade 3 and reverse spiral blade 4, and push blade 5 rotates to push the material in the discharge area out of the discharge port. The conveying belt arranged at a certain inclination angle is arranged below the discharge port, and the material pushed out by push blade 5 is conveyed to the designated area through the belt.

[0041] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A bidirectional screw feeding device for powder material conveying, comprising a driving assembly, a screw shaft and screw blades, the driving assembly being used to drive the screw shaft to rotate, two groups of screw blades with opposite directions being arranged on the screw shaft in the axial direction, and the material being gathered from both ends of the screw shaft to a discharge area between the two groups of screw blades, characterized in that: at least one pushing blade for pushing the material out of the discharge area is arranged between the two groups of screw blades, the pushing blade is mounted on the screw shaft, and the two ends of the pushing blade are connected with the two groups of screw blades respectively. The number of the pushing blades is three, which are pushing blade one, pushing blade two and pushing blade three, and the three pushing blades are uniformly distributed in the circumferential direction of the screw shaft.

2. The bidirectional screw feeder for conveying powdery material according to claim 1, characterized in that: The lengths of the three pushing blades correspond to the distances between the adjacent ends of the two groups of screw blades respectively.

3. The bidirectional screw feeder for conveying a powdery material according to claim 2, characterized in that: The pushing blades are welded on the screw shaft.

4. The bidirectional screw feeder for conveying powdery material according to claim 1, characterized in that: The driving assembly comprises a motor and a speed reducer, and the output end of the motor is connected with one end of the screw shaft through the speed reducer.

5. The bidirectional screw feeder for conveying powdery material according to claim 1, characterized in that: A conveying belt is arranged below the discharge area, and the angle between the conveying belt and the horizontal plane is not 0.

6. The bidirectional screw feeder for conveying powdery material according to claim 1, characterized in that: The angle between the conveying belt and the horizontal plane is 5 degrees.

7. The bidirectional screw feeder for conveying a powdery material according to claim 6, characterized in that: ​

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