A material conveying pipeline turning guide structure of a pipe chain machine

Abstract

The utility model relates to the technical field of tube chain machines, and specifically to a turning guide structure of a material conveying pipeline of a tube chain machine, comprising a curved pipe arranged at the turning point of the material conveying pipeline of the tube chain machine and a circular box body adjacently connected to one side of the inner arc of the curved pipe, the circular box body and the adjacent connection of the curved pipe are interconnected, a rotating wheel assembly is arranged in the circular box body, the rotating wheel assembly comprises a core shaft and a rotating wheel fixed in the middle part of the core shaft, a pair of mutually coaxial supporting holes are respectively arranged at the central parts of both sides of the circular box body, the two ends of the core shaft are respectively rotatably arranged on the supporting holes, a circle of annular guide grooves are arranged on the outer circle of the rotating wheel, and the scraper plate on the chain of the tube chain machine contacts the annular guide groove on the outer circle of the rotating wheel when passing through the curved pipe position. The utility model can reduce the wear at the turning point of the material conveying pipeline and improve the service life of the material conveying pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of tube chain machines, in particular to a turning guide structure of a material conveying pipeline of a tube chain machine. Background Art

[0002] The pipe chain machine is a device that uses a chain as a traction tool to transport powdery materials, granular materials or block materials in a pipeline. The chain of the pipe chain machine is built into the pipeline, and a number of scraper plates are arranged at intervals on the chain. A space for material transportation is formed between two adjacent scraper plates. The pipeline is provided with a feeding node and a discharging node. Through the traction of the chain, the material can be transported from the feeding node to the discharging node.

[0003] The existing pipe chain machine also has the following disadvantages: the chain with the scraper plate will cause friction when passing through the bend of the conveying pipeline, resulting in increased wear, thereby greatly reducing the service life of the conveying pipeline.

[0004] Therefore, it is necessary to develop an automatic unloading device for a tube chain machine that can flexibly control the discharge amount at different discharge nodes in response to the above problems. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a turning guide structure for the conveying pipeline of a pipe chain machine, which aims to reduce the wear at the turning part of the conveying pipeline and increase the service life of the conveying pipeline. The specific technical solution is as follows:

[0006] A turning guide structure for a material conveying pipeline of a tube chain machine, comprising a curved pipe arranged at the turning point of the material conveying pipeline of the tube chain machine and a circular box body adjacently connected to one side of the inner arc of the curved pipe, the circular box body being connected to the adjacent connection of the curved pipe, a rotating wheel assembly being arranged in the circular box body, the rotating wheel assembly comprising a core shaft and a rotating wheel fixed at the middle part of the core shaft, a pair of coaxial supporting holes being respectively arranged at the central parts of both sides of the circular box body, the two ends of the core shaft being rotatably arranged on the supporting holes, a circle of annular guide grooves being arranged on the outer circle of the rotating wheel, and the scraper plate on the chain of the tube chain machine contacts the annular guide groove on the outer circle of the rotating wheel when passing through the curved pipe position.

[0007] Preferably, the bent pipe is formed by splicing a front Half bent pipe and a rear Half bent pipe and fixed by bolts, and the circular box body is formed by splicing a front Half circular box body and a rear Half circular box body and fixed by bolts; the front Half bent pipe and the front Half circular box body are integrally connected to form a front Half shell, and the rear Half bent pipe and the rear Half circular box body are integrally connected to form a rear Half shell; one of the pair of supporting holes is arranged at the center of the front Half circular box body on the front Half shell, and the other of the pair of supporting holes is arranged at the center of the rear Half circular box body on the rear Half shell.

[0008] Preferably, a sliding bearing is arranged in the support hole, and both ends of the core shaft are rotatably arranged in the inner hole of the sliding bearing respectively.

[0009] In the utility model, a transmission key is provided at the matching connection between the inner hole of the rotating wheel and the core shaft.

[0010] In the utility model, the two end openings of the inner hole of the rotating wheel are respectively provided with inner stoppers, and rear friction-reducing washers are installed in the inner stoppers, and the end surface of the sliding bearing is in contact with the friction-reducing washers.

[0011] Preferably, the anti-friction washer is a polytetrafluoroethylene anti-friction washer.

[0012] In the utility model, a cover plate for covering the supporting hole is arranged on the outer side of the circular box body, and a sealing ring is arranged on one side of the cover plate for covering the supporting hole.

[0013] In the utility model, the elbow is a 60-120 degree arc elbow.

[0014] Preferably, the elbow is a 90-degree arc elbow.

[0015] In the utility model, the rotating wheel includes a guide ring, a positioning hub arranged at the inner center of the guide ring, and a plurality of dispersed arc-shaped support ribs connected between the guide ring and the positioning hub. The core shaft is installed on the inner hole of the positioning hub.

[0016] In the utility model, the two end pipe openings of the rear half bend are axially extended relative to the two end pipe openings of the front half bend; an arc-shaped pressure plate is provided at the extension position of the two end pipe openings of the rear half bend for fixing the docking part of the material conveying pipeline when the material conveying pipeline is docked with the material conveying pipeline turning guide structure.

[0017] In the utility model, three narrow ring sections whose width is smaller than the thickness of the guide ring are evenly distributed on the outer circle of the guide ring of the rotating wheel.

[0018] Preferably, the front half shell and the rear half shell are respectively provided with cleaning interfaces for facilitating internal cleaning, and the cleaning interfaces are threadedly connected with screw plugs.

[0019] The beneficial effects of the utility model are:

[0020] First, the utility model provides a turning guide structure for a feed pipe of a pipe chain machine, which realizes the redirection guidance of the chain movement by arranging a circular box body on one side of the inner arc of the curved pipe at the turning point of the feed pipe, and arranging a freely rotating guide wheel in the circular box body, thereby avoiding direct friction between the chain with a scraper plate and the curved pipe when passing through the turning point of the feed pipe, thereby improving the service life of the feed pipe.

[0021] Secondly, the turning guide structure of the feeding pipeline of the tube chain machine of the utility model has the advantages of simple structure and low cost, and is easy to clean and maintain and has good reliability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a turning guide structure of a conveying pipeline of a pipe chain machine of the utility model;

[0023] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure (the chain with the scraper plate is removed);

[0024] Figure 3 Yes Figure 2 The schematic diagram of the structure behind the front half shell and cover plate (the feed pipe is removed at one end);

[0025] Figure 4 yes Figure 3 A schematic diagram of a runner assembly in FIG.

[0026] Figure 5 It is a schematic diagram of the structure of the runner;

[0027] Figure 6 It is a schematic diagram of the assembly of the front and rear Hough shells.

[0028] In the figure: 05, chain, 30, scraper plate, 29, conveying pipe, 46, bolt;

[0029] In the figure: 51, feed pipeline turning guide structure, 52, elbow, 53, circular box body, 54, runner assembly, 55, mandrel, 56, runner, 57, support hole, 58, annular guide groove, 59, front half elbow, 60, rear half elbow, 61, front half circular box body, 62, rear half circular box body, 63, sliding bearing, 64, transmission key, 65, inner stop, 66, anti-friction washer, 67, cover plate, 68, sealing ring, 69, guide ring, 70, positioning hub, 71, arc-shaped support rib, 72, arc-shaped pressure plate, 73, extension part position. DETAILED DESCRIPTION

[0030] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0031] like Figures 1 to 6 The figure shows an embodiment of a turning guide structure of a material conveying pipeline of a tube chain machine of the utility model, comprising a curved pipe 52 arranged at the turning point of the material conveying pipeline 29 of the tube chain machine and a circular box body 53 adjacently connected to one side of the inner arc of the curved pipe 52, the circular box body 53 is communicated with the adjacent connection of the curved pipe 52, a rotating wheel assembly 54 is arranged in the circular box body 53, the rotating wheel assembly 54 comprises a core shaft 55 and a rotating wheel 56 fixed at the middle part of the core shaft 55, a pair of coaxial supporting holes 57 are respectively arranged at the central parts of both sides of the circular box body 53, the two ends of the core shaft 55 are respectively rotatably arranged on the supporting holes 57, a circle of annular guide grooves 58 are arranged on the outer circle of the rotating wheel 56, and the scraper plate 30 on the chain 05 of the tube chain machine contacts the annular guide groove 58 on the outer circle of the rotating wheel 56 when passing through the curved pipe 52.

[0032] Preferably, the curved pipe 52 is formed by splicing the front Half curved pipe 59 and the rear Half curved pipe 60 and fixed by bolts 46, and the circular box body 53 is formed by splicing the front Half circular box body 61 and the rear Half circular box body 62 and fixed by bolts; the front Half curved pipe 59 and the front Half circular box body 61 are integrally connected to form a front Half shell, and the rear Half curved pipe 60 and the rear Half circular box body 62 are integrally connected to form a rear Half shell; one of the pair of support holes 57 is arranged at the center of the front Half circular box body 61 on the front Half shell, and the other of the pair of support holes 57 is arranged at the center of the rear Half circular box body 62 on the rear Half shell.

[0033] Preferably, a sliding bearing 63 is disposed in the support hole 57 , and both ends of the core shaft 55 are rotatably disposed in the inner holes of the sliding bearing 63 .

[0034] In this embodiment, a transmission key 64 is provided at the fitting connection between the inner hole of the rotating wheel 56 and the core shaft 55 .

[0035] In this embodiment, both end openings of the inner hole of the rotating wheel 56 are respectively provided with inner stoppers 65 , and rear friction-reducing washers 66 are installed in the inner stoppers 65 . The end surface of the sliding bearing 63 abuts against the friction-reducing washers 66 .

[0036] Preferably, the anti-friction washer 66 is a polytetrafluoroethylene anti-friction washer.

[0037] In this embodiment, a cover plate 67 for covering the supporting hole is disposed on the outer side of the circular box body 53 , and a sealing ring 68 is disposed on one side of the cover plate 67 for covering the supporting hole 57 .

[0038] In this embodiment, the curved pipe 52 is a 60-120 degree curved pipe.

[0039] Preferably, the elbow 52 is a 90-degree arc elbow.

[0040] In this embodiment, the rotating wheel 56 includes a guide ring 69, a positioning hub 70 arranged in the central part of the guide ring 69, and a plurality of dispersed arc-shaped support ribs 71 connected between the guide ring 69 and the positioning hub 70, and the core shaft 55 is installed on the inner hole of the positioning hub 70.

[0041] In this embodiment, the two end pipe openings of the rear half bend 60 are axially extended relative to the two end pipe openings of the front half bend 59; an arc-shaped pressure plate 72 is provided at the extension position 73 of the two end pipe openings of the rear half bend 60 for fixing the docking part of the material conveying pipeline 29 when the material conveying pipeline 29 is docked with the material conveying pipeline turning guide structure 51.

[0042] In this embodiment, three narrow ring segments whose width is smaller than the thickness of the guide ring 69 are evenly spaced on the outer circle of the guide ring 69 of the rotating wheel 56 .

[0043] Preferably, the front half shell and the rear half shell are respectively provided with cleaning interfaces for facilitating internal cleaning, and the cleaning interfaces are threadedly connected with screw plugs (not shown in the figure).

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A turning guide structure for a conveying pipeline of a pipe chain machine, characterized in that: It includes a curved pipe arranged at the bend of the conveying pipeline of the tube chain machine and a circular box body adjacent to the inner arc side of the curved pipe, the circular box body is connected to the adjacent connection of the curved pipe, a rotating wheel assembly is arranged in the circular box body, the rotating wheel assembly includes a core shaft and a rotating wheel fixed in the middle part of the core shaft, a pair of coaxial supporting holes are respectively arranged at the central parts of both sides of the circular box body, the two ends of the core shaft are respectively rotatably arranged on the supporting holes, a circle of annular guide grooves are arranged on the outer circle of the rotating wheel, and the scraper plate on the chain of the tube chain machine contacts the annular guide groove on the outer circle of the rotating wheel when passing through the curved pipe position.

2. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1 is characterized in that: The bent pipe is formed by splicing the front half bent pipe and the rear half bent pipe and fixed by bolts, and the circular box body is formed by splicing the front half circular box body and the rear half circular box body and fixed by bolts; the front half bent pipe is integrally connected with the front half circular box body to form a front half shell, and the rear half bent pipe is integrally connected with the rear half circular box body to form a rear half shell; One of the pair of supporting holes is arranged at the center of the front half circular box body on the front half shell, and the other of the pair of supporting holes is arranged at the center of the rear half circular box body on the rear half shell.

3. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1, characterized in that: A sliding bearing is arranged in the supporting hole, and two ends of the core shaft are rotatably arranged in the inner hole of the sliding bearing respectively.

4. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1, characterized in that: A transmission key is provided at the matching connection between the inner hole of the rotating wheel and the core shaft.

5. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 3, characterized in that: The two end openings of the inner hole of the rotating wheel are respectively provided with inner stoppers, and rear friction-reducing washers are installed in the inner stoppers. The end surface of the sliding bearing is in contact with the friction-reducing washers.

6. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 5, characterized in that: The anti-friction washer is a polytetrafluoroethylene anti-friction washer.

7. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1, characterized in that: A cover plate for covering the supporting hole is arranged on the outer side of the circular box body, and a sealing ring is arranged on one side of the cover plate for covering the supporting hole.

8. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1, characterized in that: The elbow is a 60-120 degree arc elbow.

9. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 1, characterized in that: The rotating wheel comprises a guide ring, a positioning hub arranged at the inner center of the guide ring, and a plurality of dispersedly arranged arc-shaped support ribs connected between the guide ring and the positioning hub. The core shaft is installed on the inner hole of the positioning hub.

10. The turning guide structure of the conveying pipeline of the pipe chain machine according to claim 2, characterized in that: The two end pipe openings of the rear half bend are axially extended relative to the two end pipe openings of the front half bend; an arc-shaped pressure plate is provided at the extension position of the two end pipe openings of the rear half bend for fixing the docking part of the material conveying pipeline when the material conveying pipeline is docked with the material conveying pipeline turning guide structure.

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