Pipe chain conveyor for conveying powder materials

Abstract

The utility model discloses a pipe chain conveyor for powder material conveying, which comprises a material conveying pipe, a chain arranged in the material conveying pipe and a plurality of chain plates fixedly connected to the chain at equal intervals, the two sides of the chain plates are fixedly connected with connecting plates located outside the chain, the connecting plates are movably sleeved with rotatable turntables, and the turntables are fixedly connected with the material conveying pipe. A steel wire brush with bristles in contact with the material conveying pipe is fixed on the circumference of the outer wall of the turntable; a discharging hopper is arranged on the material conveying pipes, fixing discs are fixed to the positions, corresponding to the material conveying pipes on the two sides, of the inner wall of the discharging hopper, and a plurality of inclined scraping plates are vertically and fixedly connected to the inner walls of the fixing discs at equal intervals. The steel wire brushes in contact with the material conveying pipe are arranged on the two sides of the chain disc, in the process that the chain disc moves to convey materials, the steel wire brushes constantly sweep and brush the inner wall of the material conveying pipe when moving, so that the materials attached to the inner wall of the material conveying pipe can be cleaned in time, and accumulation and solidification are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to material conveying technical field, concretely is a kind of pipe chain conveyor for powder material conveying. BACKGROUND

[0002] Pipe chain conveyor is a kind of conveying equipment commonly used in powder material conveying, in closed pipeline, chain disc is moved by chain, and powder material is conveyed along pipeline by chain disc as transmission component.

[0003] Due to the clearance between chain disc and pipeline, in the process of powder material conveying, due to the influence of humidity of powder material, material properties and environmental temperature, etc., a small amount of powder material is solidified on the inner wall of pipeline, when the thickness of solidified material is less than the clearance between the chain disc, the solidified material cannot be removed by chain disc, and long-term accumulation leads to large solidification hardness, which is troublesome to clean up, and special treatment is needed to stop production, which is inconvenient for production. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a pipe chain conveyor for powder material conveying, to solve the problem that the pipe chain conveyor for powder material conveying is prone to material solidification on the inner wall of pipeline during use.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A pipe chain conveyor for powder material conveying, comprising a material conveying pipe, a chain arranged in the material conveying pipe and a plurality of chain discs fixedly connected to the chain at equal intervals, both sides of the chain disc are fixedly connected with connecting discs outside the chain, the connecting disc is movably sleeved with a rotatable rotating disc outside, and a steel wire brush with bristles contacting the material conveying pipe is fixed on the outer wall of the rotating disc;

[0007] A discharge hopper is arranged on the material conveying pipe, a fixed disc is fixed on the inner wall of the discharge hopper at a position corresponding to both sides of the material conveying pipe, a plurality of inclined scrapers are fixedly and vertically connected to the inner wall of the fixed disc at equal intervals, and the plurality of inclined scrapers are inclined to the clockwise direction or the counterclockwise direction at the same time on one side of the upstream of the material conveying pipe.

[0008] Preferably, the connecting disc is a flange disc, a flange is arranged on the inner wall of one side of the rotating disc away from the connecting disc, and the inner diameter of the flange at the corresponding position is equal to the inner diameter of the connecting disc.

[0009] Preferably, a guide disc with a sloping inner wall is fixed to the inner wall of the connecting disc, and the inner diameter of the guide disc on the side close to the chain disc is smaller than the inner diameter of the side away from the chain disc.

[0010] Preferably, the rotating disc is movably connected to the connecting disc by the steel balls rolling in the grooves circumferentially arranged on the inner wall of the connecting disc and the outer wall of the connecting disc.

[0011] Preferably, the bristles of the steel wire brush are in interference fit with the inner wall of the material conveying pipe, and the steel wire brush is multiple and fixedly connected to the rotating disc at equal intervals.

[0012] Preferably, the oblique scraper is beyond the inner wall of the material conveying pipe on the side close to the center of the fixed disc, and the exceeding distance is less than the distance between the chain disc and the inner wall of the material conveying pipe.

[0013] Preferably, the utility model also comprises a cover plate fixed to the top of the lower hopper, a connecting hopper fixedly connected to the lower end of the lower hopper, and a lower conveying pipe fixedly connected to the bottom of the connecting hopper.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1), the utility model discloses a steel wire brush is arranged on the both sides of the chain disc and contacts the material conveying pipe, in the process of moving of the chain disc and conveying materials, the steel wire brush is always constantly brushing the inner wall of the material conveying pipe when moving, so that the material adhered to the inner wall of the material conveying pipe can be cleaned in time, avoids the accumulation and produces consolidation, need not stop processing, brings the convenience to use, reaches the effect of improving the powder material conveying efficiency, improves production efficiency, solves the problem that the pipe chain conveyor for powder material conveying in the prior art is prone to material consolidation in the inner wall of the pipeline in the use.

[0016] (2), the utility model discloses a steel wire brush is rotatably installed on the connecting disc through the rotating disc, when the bristles of the steel wire brush are pushed by the oblique scraper, not only can the material on the bristles be cleaned, but also can the rotating disc and the steel wire brush be rotated, avoids the same steel wire brush being always in the lower part, reduces the abrasion of the steel wire brush, reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the material conveying pipe of the utility model;

[0019] Figure 3 It is the local structure schematic diagram of the corresponding position of the chain disc of the utility model;

[0020] Figure 4 It is the local front view of the corresponding position of the chain disc of the utility model;

[0021] Figure 5 It is the side view of the rotating disc and the steel wire brush of the utility model;

[0022] Figure 6The utility model discloses a fixed disc and oblique scraper side view.

[0023] In the figure: 1, material conveying pipe; 2, chain; 3, chain disc; 4, connecting disc; 5, rotary disc; 501, flange; 6, steel wire brush; 7, hopper; 8, fixed disc; 9, oblique scraper; 10, material guide disc; 11, steel ball; 12, cover plate; 13, connecting hopper; 14, discharging pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1-6 shown, the utility model provides a kind of technical scheme: a kind of powder material conveying pipe chain conveyor, including material conveying pipe 1, chain 2 being arranged in material conveying pipe 1 and multiple chain discs 3 being equidistantly fixedly connected on chain 2, both sides of chain disc 3 are fixedly connected with the connecting disc 4 located outside chain 2, the inner wall of connecting disc 4 is fixed with the material guide disc 10 with inner wall slope, the inner diameter of material guide disc 10 close to chain disc 3 side is less than the inner diameter of side away from chain disc 3, avoid when discharging, material is accumulated in connecting disc 4 and cannot be discharged to affect material conveying efficiency;

[0026] Rotary disc 5 can be rotatably movably sleeved and installed outside connecting disc 4, connecting disc 4 is flange disc, the inner wall of side away from connecting disc 4 of rotary disc 5 is provided with flange 501, the inner diameter of corresponding position of flange 501 is equal to the inner diameter of connecting disc 4, prevent material from entering gap during conveying material, protect internal steel ball 11;

[0027] Steel ball 11 movably clamped in connecting disc 4 by the groove inside wall and connecting disc 4 outer wall circumferentially arranged rolling connection, rotary disc 5 can rotate when being subjected to circumferential external force, because being subjected to gravity, the contact pressure of lower steel wire brush 6 and material conveying pipe 1 is greater, rotary disc 5 rotates to avoid that certain steel wire brush 6 is always in lower position and causes brush wear too fast, fixed position wear affects the cleaning of residual material in material conveying pipe 1 inner wall, simultaneously increases steel wire brush 6 replacement maintenance frequency, increases workload;

[0028] The outer wall circumference of rotary disc 5 is fixed with steel wire brush 6 with bristle contacting material conveying pipe 1, the bristle of steel wire brush 6 is interference fit with the inner wall of material conveying pipe 1, steel wire brush 6 has multiple and is equidistantly fixedly connected on rotary disc 5, individual steel wire brush 6 can be locally replaced, maintenance is simple, reduces use cost;

[0029] The material conveying pipe 1 is provided with a lower hopper 7, the inner wall of the lower hopper 7 is fixed with a fixed disc 8 at positions corresponding to both sides of the material conveying pipe 1, a plurality of inclined scrapers 9 are fixedly and vertically connected on the inner wall of the fixed disc 8 at equal intervals, the plurality of inclined scrapers 9 correspond to one side of the upstream of the material conveying pipe 1 and simultaneously tilt in the clockwise direction or the counterclockwise direction, the side of the inclined scraper 9 close to the center of the fixed disc 8 exceeds the inner wall of the material conveying pipe 1 and the exceeding distance is less than the distance between the chain disc 3 and the inner wall of the material conveying pipe 1, the inclined scraper 9 is in contact with the bristles of the steel wire brush 6, which can drive the bristles of the steel wire brush 6 to clean the material on the steel wire brush 6 and provide an external force for the rotating disc 5;

[0030] It also comprises a cover plate 12 fixed on the top of the lower hopper 7, a connecting hopper 13 fixedly connected at the lower end of the lower hopper 7 and a lower discharge pipe 14 fixedly connected at the bottom of the connecting hopper 13, and the material conveyed to the position of the lower hopper 7 can be directly discharged under the action of gravity.

[0031] Working principle:

[0032] The chain 2 and the chain disc 3 move in the material conveying pipe 1, the material in the material conveying pipe 1 is pushed to move for feeding by the chain disc 3, when the chain disc 2 moves, the steel wire brushes 6 on both sides of the chain disc 2 constantly brush the inner wall of the material conveying pipe 1, so that the material adhered to the inner wall of the material conveying pipe 1 can be cleaned in time to avoid accumulation and solidification; when reaching the position of the lower hopper 7 for discharging, the bristles of the steel wire brush 6 are in contact with the inclined scraper 9 and are driven by the inclined scraper 9 to clean the material on the bristles, at the same time, an external force is provided for the steel wire brush 6 along the circumference to promote the rotating disc 5 and the steel wire brush 6 to rotate around the connecting disc 5, so that the plurality of steel wire brushes 6 can rotate to change positions in turn, thereby reducing local wear.

[0033] It should be noted that in this text, terms such as "including", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tubular chain conveyor for powder material conveying, comprising a material conveying tube (1), a chain (2) arranged in the material conveying tube (1), and a plurality of chain discs (3) fixedly connected at equal distances to the chain (2), characterized in that: Both sides of the chain disc (3) are fixedly connected with connecting discs (4) outside the chain (2), the connecting discs (4) are movably sleeved with rotatable rotating discs (5) outside, the outer wall circumferences of the rotating discs (5) are fixedly connected with steel wire brushes (6) in contact with the material conveying pipe (1). The material conveying pipe (1) is provided with a lower hopper (7), the inner wall of the lower hopper (7) is fixedly connected with fixed discs (8) corresponding to the positions of the two sides of the material conveying pipe (1), the inner wall of the fixed disc (8) is fixedly connected with a plurality of inclined scraping plates (9) at equal intervals and vertically, and the plurality of inclined scraping plates (9) correspond to one side of the upstream of the material conveying pipe (1) and are inclined to the clockwise direction or the counterclockwise direction at the same time.

2. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: The connecting disc (4) is a flange disc, the inner wall of the side, away from the connecting disc (4), of the rotating disc (5) is provided with a flange (501), and the inner diameter of the flange (501) at the corresponding position is equal to the inner diameter of the connecting disc (4).

3. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: The inner wall of the connecting disc (4) is fixedly connected with a guide disc (10) with a sloping inner wall, and the inner diameter of the side, close to the chain disc (3), of the guide disc (10) is smaller than the inner diameter of the side, away from the chain disc (3).

4. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: The rotating disc (5) is movably clamped on the connecting disc (4) through the steel balls (11) rolling connected in the grooves circumferentially arranged on the inner wall of the rotating disc (5) and the outer wall of the connecting disc (4).

5. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: The bristles of the steel wire brush (6) are in interference fit with the inner wall of the material conveying pipe (1), the steel wire brush (6) is a plurality of and fixedly connected on the rotating disc (5) at equal intervals.

6. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: The side, close to the center of the fixed disc (8), of the inclined scraping plate (9) exceeds the inner wall of the material conveying pipe (1) and the exceeding distance is less than the distance between the chain disc (3) and the inner wall of the material conveying pipe (1).

7. A tubular chain conveyor for powder material conveying according to claim 1, characterized in that: It also comprises a cover plate (12) fixed on the top of the lower hopper (7), a connecting hopper (13) fixedly connected on the lower end of the lower hopper (7), and a lower discharging pipe (14) fixedly connected on the bottom of the connecting hopper (13).

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