Powder material anti-arching feeding device

Abstract

The utility model discloses a powder material anti-arching feeding device which comprises a support, a storage bin and a spiral feeding machine are arranged on the support, the whole spiral feeding machine is obliquely arranged in a left-low right-high mode, and an inclined supporting rod is arranged between the right side of the support and the bottom of the right side of the spiral feeding machine. The storage bin comprises a left triangular plate, a right triangular plate, a front upper triangular plate, a front lower triangular plate, a rear upper triangular plate and a rear lower triangular plate. The lower vertex of the left triangular plate, the lower fixed point of the right triangular plate, the lower side edge of the front lower triangular plate and the lower side edge of the rear lower triangular plate are all connected with the outer side edge of a rectangular discharging port of a feeding pipe of the spiral feeding machine. The powder feeding device effectively solves the problem that powder (Chinese yam powder) with poor fluidity is prone to arching and blocking in the stock bin and cannot ensure the feeding and conveying efficiency, and has the advantages of being smooth in discharging, high in powder material conveying stability, stable in feeding amount, even in feeding, free of power consumption and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the processing technical field of Chinese yam powder, and particularly relates to a powder material anti-arching feeding device. BACKGROUND

[0002] The powder material feeding device is a commonly used equipment in the Chinese yam powder production process, and is used for feeding to the high feeding port of an equipment such as an extruder or a mixer, and the existing powder material anti-arching feeding device is shown in Figs. Figure 1 and Figure 2 The existing powder material anti-arching feeding device includes a support 1, a storage bin 2 and a spiral feeder 3 arranged on the support 1, the spiral feeder 3 is arranged in a left-low and right-high inclined manner, a diagonal brace 4 is arranged between the right side of the support 1 and the right side of the bottom of the spiral feeder 3, the lower end of the storage bin 2 is connected to the upper feeding port of the left side of the spiral feeder 3, and the powder material with good fluidity adopts a circular bin, for the Chinese yam powder with certain viscosity and poor fluidity, it is appropriate to adopt the storage bin 2 with a rectangular cross section and a four-pyramid shape, and the lower end of the storage bin 2 is a square discharge port 5 with the same diameter as the spiral shaft of the spiral feeder 3, and the storage bin 2 has the following disadvantages:

[0003] 1) The Chinese yam powder has certain viscosity, the four side panels of the storage bin 2 have the same inclination, and the length of the inclined surface of the side panel has great flow resistance to the Chinese yam powder.

[0004] 2) Inside the storage bin 2, the powder material is compacted due to the accumulation and weight of the powder material, the flowability of the Chinese yam powder is worse, the flowability is worse if a vibrating device is used to vibrate the bin wall, and the arching or mouse hole phenomenon often occurs, the powder material, especially the powder material at the bin wall, cannot flow out smoothly, and the powder material is accumulated thicker and thicker, which affects smooth discharging, and the powder material at the bin wall is often pushed to the center of the bin by manual work, which not only wastes manpower but also is unhygienic. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems in the prior art, the utility model provides a powder material anti-arching feeding device with scientific principle and simple structure, so as to avoid the arching phenomenon of the traditional square bin and ensure continuous and uniform feeding of the bin to the spiral feeder.

[0006] To solve the above technical problems, the utility model discloses the following technical scheme: powder material anti-arching feeding device, including support, be equipped with storage bin and spiral feeder on the support, spiral feeder whole left low right high inclination setting, be equipped with inclined strut between the right bottom of right spiral feeder of right side of support, the storage bin includes left triangular plate, right triangular plate, front upper triangular plate, front lower triangular plate, rear upper triangular plate and rear lower triangular plate, left triangular plate left high right low inclination setting, right triangular plate left low right high inclination setting, left triangular plate front side edge is connected with the left side edge of front lower triangular plate, left triangular plate rear side edge is connected with the left side edge of rear lower triangular plate, right triangular plate front side edge is connected with the right side edge of front upper triangular plate, right triangular plate rear side edge is connected with the right side edge of rear upper triangular plate, the upper side edge of front upper triangular plate, front lower triangular plate is connected with the upper side edge of rear lower triangular plate, and the lower side edge of rear upper triangular plate, the lower side edge of rear lower triangular plate is connected, the upper side edge of left triangular plate, right triangular plate, front upper triangular plate, front lower triangular plate is located on the same horizontal plane and forms rectangular open, and the left upper portion of the feeding pipe of spiral feeder is provided with rectangular discharge port, and the lower vertex of left triangular plate, the lower fixed point of right triangular plate, the lower side edge of front lower triangular plate and the lower side edge of rear lower triangular plate are all connected with the outside edge of the rectangular discharge port of the feeding pipe of spiral feeder.

[0007] The included angle between the front upper triangular plate and the front lower triangular plate is obtuse, and the obtuse angle is located outside the storage bin.

[0008] The left triangular plate is perpendicular to the center line of the spiral feeder, and the included angle between the right triangular plate and the vertical plane is smaller than the included angle between the left triangular plate and the vertical plane.

[0009] The width of the rectangular discharge port is equal to the inner diameter of the feeding pipe of the spiral feeder, and the length of the rectangular discharge port is at least 2 times the inner diameter of the feeding pipe.

[0010] The lower vertex of the left triangular plate and the lower fixed point of the right triangular plate are both circular arc groove structures that are butt-jointed with the outer circle of the feeding pipe of the spiral feeder.

[0011] By adopting the above technical scheme, compared with the prior art, the utility model has the following beneficial effects:

[0012] 1) The discharge port at the bottom of the storage bin is changed from the existing square shape to a rectangular discharge port, the length direction of the rectangular discharge port is lengthened along the axial direction of the spiral feeder, and the lengthening is to three to four times the diameter of the spiral shaft, thereby improving the feeding efficiency.

[0013] 2) The left triangular plate on the left side wall of the storage bin and the right triangular plate on the right side wall are still planes, but their shapes and setting angles are changed (the surface area is reduced and the angle is increased), because the rectangular discharge port is lengthened along the axial direction of the spiral feeder, so the included angle between the left triangular plate and the right triangular plate and the vertical plane is closer to 90°, and the plane area is reduced, so that the resistance of the left triangular plate and the right triangular plate to the powder is greatly reduced.

[0014] 3) the front and rear sidewalls of the storage bin are changed from the existing flat surface to the folded surface protruding into the bin, i.e. the front sidewall is changed into the front upper triangular plate and the front lower triangular plate with obtuse included angle, and the rear sidewall is changed into the rear upper triangular plate and the rear lower triangular plate with obtuse included angle, the front and rear sidewalls of the storage bin are changed in shape and angle, so that the flowability of the powder changes at the fold line (the connecting line of the lower side of the front upper triangular plate and the upper side of the front lower triangular plate, and the connecting line of the lower side of the rear upper triangular plate and the lower side of the rear lower triangular plate), the upper part of the fold line is reduced in resistance to the powder, and the powder material is effectively guided and controlled in the bin, and has the effect of dispersing the pressure of the powder, preventing the powder in the bin from arching and flowing out smoothly from the bottom of the bin, and ensuring the stability and uniformity of the feeding of the screw feeder.

[0015] In summary, the present application has the advantages of ingenious design, simple structure, and effectively solving the problem of arching and blocking of the slightly poor flowability powder (shanyao powder) in the bin, ensuring the feeding and conveying efficiency, smooth discharging, stable conveying of powder material, stable feeding amount, uniform feeding, and no power consumption. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the prior art;

[0017] Figure 2 is a top view of Figure 1

[0018] Figure 3 is a structural schematic diagram of the present application;

[0019] Figure 4 is a top view of the storage bin in Figure 3

[0020] Figure 5 is a left view of Figure 3 DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in detail below in combination with the drawings and examples.

[0022] As Figures 3-5 ​​​The utility model discloses a powder material anti-arching feeding device, which comprises a support 1, a storage bin and a spiral feeder 3 are arranged on the support 1, the spiral feeder 3 is arranged in a left-low and right-high inclined mode as a whole, a diagonal brace 4 is arranged between the right side of the support 1 and the right side of the bottom of the spiral feeder 3, the storage bin comprises a left triangular plate 6, a right triangular plate 7, a front upper triangular plate 8, a front lower triangular plate 9, a rear upper triangular plate 10 and a rear lower triangular plate 11, the left triangular plate 6 is arranged in a left-high and right-low inclined mode, the right triangular plate 7 is arranged in a left-low and right-high inclined mode, the front side of the left triangular plate 6 is connected with the left side of the front lower triangular plate 9, the rear side of the left triangular plate 6 is connected with the left side of the rear lower triangular plate 11, the front side of the right triangular plate 7 is connected with the right side of the front upper triangular plate 8, the rear side of the right triangular plate 7 is connected with the right side of the rear upper triangular plate 10, the lower side of the front upper triangular plate 8 is connected with the upper side of the front lower triangular plate 9, the lower side of the rear upper triangular plate 10 is connected with the lower side of the rear lower triangular plate 11, the upper sides of the left triangular plate 6, the right triangular plate 7, the front upper triangular plate 8 and the front lower triangular plate 9 are located on the same horizontal plane and form a rectangular opening, a rectangular discharge port 12 is formed in the upper left part of the feeding pipe of the spiral feeder 3, the lower vertex of the left triangular plate 6, the lower fixed point of the right triangular plate 7, the lower side of the front lower triangular plate 9 and the lower side of the rear lower triangular plate 11 are all connected with the outer side of the rectangular discharge port 12 of the feeding pipe of the spiral feeder 3.

[0023] The included angle between the front upper triangular plate 8 and the front lower triangular plate 9 is obtuse, the obtuse angle is located on the outer side of the storage bin, the rear upper triangular plate 10 and the front upper triangular plate 8 are arranged in a front-rear symmetrical mode, and the rear lower triangular plate 11 and the front lower triangular plate 9 are arranged in a front-rear symmetrical mode.

[0024] The left triangular plate 6 is perpendicular to the center line of the spiral feeder 3, and the included angle between the right triangular plate 7 and the vertical plane is smaller than the included angle between the left triangular plate 6 and the vertical plane.

[0025] The width of the rectangular discharge port 12 is equal to the inner diameter of the feeding pipe of the spiral feeder 3, and the length of the rectangular discharge port 12 is at least 2 times larger than the inner diameter of the feeding pipe.

[0026] The lower vertex of the left triangular plate 6 and the lower fixed point of the right triangular plate 7 are both circular arc groove structures 13 which are butt-jointed with the outer circle of the feeding pipe of the spiral feeder 3.

[0027] The utility model has the following beneficial effects:

[0028] 1) The discharge port at the bottom of the storage bin is changed from the existing square shape to a rectangular discharge port 12, the length direction of the rectangular discharge port 12 is lengthened along the axial direction of the spiral feeder 3, and the lengthening is up to three to four times of the diameter of the spiral shaft, so that the feeding efficiency is improved.

[0029] 2) The left triangular plate 6 of the left side wall and the right triangular plate 7 of the right side wall of the storage bin are still flat, but their shape and setting angle are changed (the surface area is reduced and the angle is increased), and because the rectangular discharge port 12 is lengthened along the axial direction of the screw feeder 3, the included angle of the left triangular plate 6 and the right triangular plate 7 with the vertical plane is closer to 90°, and the flat area is reduced, so that the resistance of the left triangular plate 6 and the right triangular plate 7 to the powder is greatly reduced.

[0030] 3) The front side wall and the rear side wall of the storage bin are changed from the existing flat surface to the convex fold surface towards the inside of the bin, that is, the front side wall becomes the front upper triangular plate 8 and the front lower triangular plate 9 with obtuse included angles, and the rear side wall becomes the rear upper triangular plate 10 and the rear lower triangular plate 11 with obtuse included angles. Due to the change of the shape and angle of the front side wall and the rear side wall of the storage bin, the flowability of the powder changes at the fold line (the connecting line of the lower side of the front upper triangular plate 8 and the upper side of the front lower triangular plate 9, and the connecting line of the lower side of the rear upper triangular plate 10 and the lower side of the rear lower triangular plate 11), the flat surface on the upper part of the fold line reduces the resistance to the powder, and the powder material is effectively guided and controlled in the bin, and has the effect of dispersing the pressure of the powder, preventing the powder in the bin from arching and flowing smoothly from the bottom of the bin, and ensuring the stability and uniformity of the feeding of the screw feeder 3.

[0031] The above examples illustrate the basic principles and characteristics of the present application, but the above only illustrates the preferred embodiments of the present application, and is not limited by the described embodiments. Those skilled in the art can make many formal deformations and improvements under the inspiration of this patent without departing from the scope of the present application and the protection scope of the claims. Therefore, the present application patent and the protection scope should be subject to the appended claims.

Claims

1. A powder material anti-arching feeding device, comprising a support, a storage bin and a screw feeder are arranged on the support, the screw feeder is arranged in a whole left-low right-high inclined manner, and a diagonal support rod is arranged between the right side of the right screw feeder and the bottom of the right side of the support, characterized in that: The storage bin comprises a left triangular plate, a right triangular plate, a front upper triangular plate, a front lower triangular plate, a rear upper triangular plate and a rear lower triangular plate, the left triangular plate is arranged obliquely with the left side being higher than the right side, the right triangular plate is arranged obliquely with the left side being lower than the right side, the front side of the left triangular plate is connected with the left side of the front lower triangular plate, the rear side of the left triangular plate is connected with the left side of the rear lower triangular plate, the front side of the right triangular plate is connected with the right side of the front upper triangular plate, the rear side of the right triangular plate is connected with the right side of the rear upper triangular plate, the lower side of the front upper triangular plate is connected with the upper side of the front lower triangular plate, the lower side of the rear upper triangular plate is connected with the lower side of the rear lower triangular plate, the upper sides of the left triangular plate, the right triangular plate, the front upper triangular plate and the front lower triangular plate are located on the same horizontal plane and form a rectangular opening, a rectangular discharge port is arranged on the left upper part of the feeding pipe of the screw feeder, the lower vertex of the left triangular plate, the lower vertex of the right triangular plate, the lower side of the front lower triangular plate and the lower side of the rear lower triangular plate are connected with the outer side of the rectangular discharge port of the feeding pipe of the screw feeder.

2. The powder material arching prevention feeding device according to claim 1, wherein: The included angle between the front upper triangular plate and the front lower triangular plate is obtuse, the obtuse angle is located on the outside of the storage bin, the rear upper triangular plate and the front upper triangular plate are arranged in front and back symmetry, and the rear lower triangular plate and the front lower triangular plate are arranged in front and back symmetry.

3. The powder material arching prevention feeding device according to claim 1, wherein: The left triangular plate is perpendicular to the center line of the screw feeder, and the included angle between the right triangular plate and the vertical plane is smaller than the included angle between the left triangular plate and the vertical plane.

4. The powder material arching prevention feeding device according to claim 1, wherein: The width of the rectangular discharge port is equal to the inner diameter of the feeding pipe of the screw feeder, and the length of the rectangular discharge port is at least 2 times of the inner diameter of the feeding pipe.

5. The arching prevention powder feeding device according to claim 1, wherein: The lower vertex of the left triangular plate and the lower vertex of the right triangular plate are both circular arc groove structures which are butt-jointed with the outer circle of the feeding pipe of the screw feeder.

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