Spiral feeding machine

Abstract

The utility model relates to the technical field of mine guniting material conveying, in particular to a spiral feeding machine which comprises a power source, a wear-resisting pipeline, a flexible spiral packing auger stockline and a tail shaft, the flexible spiral packing auger stockline is installed inside the wear-resisting pipeline, and the two ends of the flexible spiral packing auger stockline are fixedly connected with a power output shaft of the power source and the tail shaft respectively. A plurality of feeding ports are formed in one end of the wear-resistant pipeline, and the two ends of the wear-resistant pipeline are fixedly connected with the power source shell and the machine tail assembly respectively; the machine tail assembly comprises a material mixing pipe, a tail shaft connecting port and an aggregate feeding port are formed in the two ends of the material mixing pipe respectively, and a powder feeding port and a powder discharging port are formed in the upper side and the lower side of the material mixing pipe respectively. The problem that the mechanization degree of a plurality of procedures such as conveying, proportioning and stirring of guniting materials in a roadway under a mine is not high is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine shotcrete material conveying, and particularly relates to a spiral feeder. Background Art

[0002] The roadway space in the mine is relatively narrow. Generally, about 10 m of shotcrete materials are required per shift. 3 , the width of the roadway is about 5 m, and the belt conveyor occupies 1.5 m of the roadway width, resulting in a relatively long and narrow site for discharging and mixing materials in the mine. The environment around the shotcreting machine is relatively narrow. Moreover, before feeding, a variety of materials need to be mixed, which will occupy a certain space. At the same time, the granular materials are at a relatively long distance from the feeding port of the shotcreting machine, and the labor intensity of manual conveying is relatively large. Therefore, a spiral feeder is proposed for the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a spiral feeder to solve the problems that the environment around the shotcreting machine is relatively narrow, a variety of materials need to be mixed before feeding, which will occupy a certain space, at the same time, the granular materials are at a relatively long distance from the feeding port of the shotcreting machine, and the labor intensity of manual conveying is relatively large.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A spiral feeder includes a power source, a wear-resistant pipe, a flexible spiral auger feeding line and a tail shaft. The flexible spiral auger feeding line is installed inside the wear-resistant pipe. The two ends of the flexible spiral auger feeding line are respectively fixedly connected with the power output shaft of the power source and the tail shaft. A plurality of feeding ports are opened at one end of the wear-resistant pipe. The two ends of the wear-resistant pipe are respectively fixedly connected with the housing of the power source and the machine tail assembly. The machine tail assembly includes a mixing pipe. The two ends of the mixing pipe are respectively provided with a tail shaft connection port and an aggregate feeding port. The upper and lower sides of the mixing pipe are respectively provided with a powder feeding port and a discharge port. The inside of the mixing pipe is provided with a cavity. The tail shaft connection port, the aggregate feeding port, the powder feeding port and the discharge port are all communicated with the cavity. The powder feeding port arranged at the upper end of the machine tail assembly is connected with a powder hopper. A limiting groove for inserting a vibrating feeding mechanism is opened at the middle position of the upper end of the powder hopper. The vibrating feeding mechanism includes a pneumatic vibrator for providing power. The pneumatic vibrator is fixedly installed on one side of a mesh plate. The upper end of the vibrating feeding mechanism is provided with a powder hopper.

[0006] As a further optimized content of the present utility model, wherein: the powder hopper includes a housing, and a partition board is installed inside the housing.

[0007] As a further optimized content of the present utility model, wherein: the powder hopper includes a housing, and a partition board is fixedly connected inside the housing.

[0008] As a further optimized content of the present utility model, wherein: the wear-resistant pipeline is placed on the ground at one end of the feeding port, and the distance between the discharging port and the ground is 0.2 - 1.3 m.

[0009] As a further optimized content of the present utility model, wherein: the pneumatic vibrator can be replaced by a hydraulic vibrator or an electric vibrator, and the screen plate can be replaced by an orifice plate or a slot plate.

[0010] Compared with the prior art, the beneficial effects of the present utility model are:

[0011] In the present utility model, the problem that multiple materials need to be mixed before feeding and it will occupy a certain space is effectively solved. During the material conveying process, the labor intensity and labor cost are greatly reduced. The problems of lack of mechanization in multiple processes such as material unloading, conveying, proportioning, and stirring in the narrow space of the mine roadway are solved. At the same time, by adjusting the vibration amplitude of the pneumatic vibrator and the number of holes inside the screen plate, the feeding speed of the powder can be adjusted to improve the accuracy of material proportioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is an exploded view of the overall structure of the present utility model;

[0014] Figure 3 is the present utility model Figure 2 schematic diagram of the structure at position A;

[0015] Figure 4 is a schematic diagram of the short pipe structure of the present utility model;

[0016] Figure 5 is a sectional view of the pipe body of the present utility model;

[0017] Figure 6 is a schematic diagram of the powder hopper structure of the present utility model;

[0018] Figure 7 is a schematic diagram of the vibrating feeding mechanism structure of the present utility model.

[0019] In the figure: 1, power source; 2, feeding port; 3, wear-resistant pipeline; 4, flexible spiral auger feeder line;

[0020] 5, tail assembly; 51, mixing pipe; 52, powder feeding port; 53, discharging port; 54, tail shaft connection port; 55, aggregate feeding port;

[0021] 6, tail shaft; 7, powder hopper; 71, housing; 72, partition;

[0022] 8. Vibration feeding mechanism; 81. Pneumatic vibrator; 82. Mesh plate;

[0023] 9. Limit groove. Detailed implementation manners

[0024] 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 in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] It should be noted that the terms used here are only for describing the specific implementation manners and are not intended to limit the exemplary implementation manners according to the present application. As used here, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "comprise" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] Please refer to Figure 1-7 , the present utility model provides a technical solution:

[0027] A spiral feeder includes a power source 1, a wear-resistant pipe 3, a flexible spiral auger feeder line 4 and a tail shaft 6. The flexible spiral auger feeder line 4 is installed inside the wear-resistant pipe 3, and both ends of the flexible spiral auger feeder line 4 are fixedly connected to the power output shaft of the power source 1 and the tail shaft 6 respectively. A plurality of feeding ports 2 are provided at one end of the wear-resistant pipe 3, and both ends of the wear-resistant pipe 3 are fixedly connected to the housing of the power source 1 and the machine tail assembly 5 respectively; the machine tail assembly 5 includes a mixing pipe 51. Tail shaft connection ports 54 and aggregate feeding ports 55 are respectively provided at both ends of the mixing pipe 51. Powder feeding ports 52 and discharge ports 53 are respectively provided on the upper and lower sides of the mixing pipe 51. The inside of the mixing pipe 51 is provided with a cavity, and the tail shaft connection port 54, the aggregate feeding port 55, the powder feeding port 52 and the discharge port 53 are all communicated with the cavity; the powder feeding port 52 provided at the upper end of the machine tail assembly 5 is connected to the powder hopper 7, and a limit groove 9 for inserting the vibration feeding mechanism 8 is provided at the middle position of the upper end of the powder hopper 7; the vibration feeding mechanism 8 includes a pneumatic vibrator 81 for providing power. The pneumatic vibrator 81 is fixedly installed on one side of the mesh plate 82, and the vibration feeding mechanism 8 is installed at the upper end of the powder hopper 7.

[0028] As a further implementation of this solution, the power source 1 can be designed as a servo motor, a variable frequency motor, a hydraulic motor independently supporting or selecting a speed reducer for use, and can realize automatic or intelligent control by using appropriate control technologies;

[0029] As a further implementation of this solution, the powder hopper 7 includes a housing 71, and a partition 72 is installed inside the housing 71, which is convenient for separating two different powders, namely cement and accelerator, and the ratio of cement and accelerator can be independently controlled by adjusting the number and size of the holes on the screen plate 82;

[0030] As a further implementation of this solution, the wear-resistant pipe 3 is placed on the ground at one end of the feeding port 31, and the distance between the discharging port 53 and the ground is 0.2 - 1.3 m. The height of the discharging port 53 from the ground can be adjusted according to the height of the shotcreting machine or the feeding requirement, which is suitable for discharging requirements at different heights. The height adjustment is achieved by bending the wear-resistant pipe 3 with flexible settings and the bending degree of the flexible spiral auger feeder line 4;

[0031] As a further implementation of this solution, the pneumatic vibrator 81 can be replaced by a hydraulic vibrator or an electric vibrator, and the screen plate 82 can be replaced by an orifice plate or a slot plate. The feeding speed of the powder can be adjusted by adjusting the vibration amplitude of the pneumatic vibrator 81.

[0032] Working process: During the process of feeding the shotcreting machine through the equipment, first, the yellow sand and stones required for mine shotcreting are premixed in proportion in advance and stored in a hopper, a material pool, a material box or a ton bag above the feeding port 2 of the feeder. The shotcreting aggregate is transported through the wear-resistant pipe 3 and the flexible spiral auger feeder line 4, and is mixed with powders such as cement and accelerator from the powder hopper in the mixing chamber at the tail assembly 5. The mixed material is pushed to the discharging port 53 after being stirred by the flexible spiral auger feeder line 4;

[0033] During this process, the power of the flexible spiral auger feeder line 4 is provided by the power source 1. The power source can be a combination of a hydraulic motor or an electric motor and a speed reduction gearbox. And during the process of supplying the powder from the powder hopper 7, the feeding speed of the powder can be adjusted by adjusting the vibration amplitude of the pneumatic vibrator 81 and the number of holes inside the screen plate 82, so as to improve the accuracy of the material ratio;

[0034] The above settings greatly reduce the labor intensity and labor cost during the material transportation process, and solve the problem of low mechanization degree in multiple processes such as shotcreting material transportation, ratio, and stirring in the mine roadway.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw feeder, comprising a power source (1), a wear-resistant pipe (3), a flexible screw auger feed line (4) and a tail shaft (6), characterized in that: The flexible spiral auger feed line (4) is installed inside the wear-resistant pipe (3), and the two ends of the flexible spiral auger feed line (4) are respectively fixedly connected to the power output shaft of the power source (1) and the tail shaft (6), and a plurality of feed ports (2) are opened at one end of the wear-resistant pipe (3), and the two ends of the wear-resistant pipe (3) are respectively fixedly connected to the housing of the power source (1) and the tail assembly (5); The tail assembly (5) comprises a mixing tube (51), and the two ends of the mixing tube (51) are respectively provided with a tail shaft connection port (54) and an aggregate inlet port (55), and the upper and lower sides of the mixing tube (51) are respectively provided with a powder feed port (52) and a discharge port (53), and the interior of the mixing tube (51) is arranged as a cavity, and the tail shaft connection port (54), the aggregate inlet port (55), the powder feed port (52) and the discharge port (53) are all connected to the cavity; The powder feed port (52) disposed at the upper end of the tail assembly (5) is connected to the powder hopper (7), and a limiting groove (9) for inserting the vibrating feeder mechanism (8) is provided at the middle position of the upper end of the powder hopper (7); The vibrating feeding mechanism (8) comprises a pneumatic vibrator (81) for providing power, wherein the pneumatic vibrator (81) is fixedly mounted on one side of a mesh plate (82), and a powder hopper (7) is mounted on the upper end of the vibrating feeding mechanism (8).

2. A screw feeder according to claim 1, characterized in that: The powder hopper (7) comprises a shell (71), and a partition plate (72) is installed inside the shell (71).

3. A screw feeder according to claim 1, characterized in that: The wear-resistant pipe (3) is placed close to the ground at one end of the feed port (31), and the distance between the discharge port (53) and the ground is 0.2 ～ 1.3m.

4. A screw feeder according to claim 1, characterized in that: The pneumatic vibrator (81) can be replaced by a hydraulic vibrator or an electric vibrator, and the mesh plate (82) can be replaced by a perforated plate or a slotted plate.

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