CN214398770U - Corner conveyor - Google Patents

Abstract

The utility model discloses a corner conveyor, which comprises a conveying device, a conveying device and a control device, wherein the conveying device is used for conveying materials and changing the conveying direction of the materials; the cover is covered above the conveying device and is used for covering the materials and part of the conveying device; the cover is provided with a door body for cleaning accumulated materials. The utility model discloses a housing is established to the cover on conveyor, is equipped with a body on the housing, and the material that can protect the transportation does not receive external influence, avoids the material to be polluted, can in time clean accumulational material again, guarantees conveyor's normal operation, improves the transport efficiency of material.

Description

Corner conveyor

Technical Field

The utility model belongs to the technical field of the tobacco transportation, concretely relates to corner conveyer.

Background

Most automatic conveyor belt can only carry out the transport on the straight line when using, when needing the transportation of turning, often need two dystopy, or two mutually perpendicular's automatic conveyor belt operation of mutually supporting, two mutually perpendicular's automatic conveyor belt linking department can not smooth transition, can produce the transportation blind area, need the manual work to carry the product to another automatic conveyor belt from an automatic conveyor belt, or the product slides down to another automatic conveyor belt on from an automatic conveyor belt, however above-mentioned transportation causes the scratch easily to the product, the bruise, and it changes the material to need there to have the staff, reduce conveying efficiency and increased the human cost in a large number. Therefore, the 90-degree corner belt conveyor is more and more accepted by users in the industry due to the smooth transition of the corner, and the application is more and more extensive.

In the tobacco transportation process, in order to prevent the materials from being influenced and polluted by the external environment, the 90-degree corner belt conveyor is required to be covered with the cover, but the materials can be accumulated and the operation condition in the conveyor cannot be timely obtained due to the existence of the cover.

Chinese patent with application number CN202020317517.4 discloses a 90 degree turn conveyer, including fan-shaped frame, two setting are at the conical rollers at fan-shaped frame both ends, a fan-shaped belt for driving conical rollers pivoted power unit and parcel at two conical rollers surfaces, conical rollers includes the center pin, all fixed the sprocket that is equipped with on two conical rollers's the center pin, fixedly connected with drive chain on the fan-shaped belt, drive chain cooperatees with two sprockets, when power unit drive conical rollers rotates, the sprocket rotates and drives and sprocket matched with drive chain rotates, rotate in order to drive fan-shaped belt.

In the above scheme, although the fan-shaped frame is provided with the protective cover casing, the protective cover casing is not provided with the observation window for observing materials and the door body for cleaning the materials, so that the working personnel cannot observe the material operation condition in the protective cover casing in time and clean the accumulated materials.

The present application is particularly proposed in view of the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, provides a corner conveyer convenient to observe the material situation and clean the material that stores up.

In order to solve the technical problem, the utility model adopts the following basic concept:

a corner conveyor comprises a corner conveyor body and a corner conveyor belt, wherein,

the conveying device is used for conveying materials and changing the conveying direction of the materials;

the cover is covered above the conveying device and is used for covering the materials and part of the conveying device;

the cover is provided with a door body for cleaning accumulated materials.

By adopting the scheme, the housing can protect the transported materials from being influenced by the outside, so that the materials can be prevented from being polluted and blown away by the outside wind power. The door body is arranged on the housing, so that accumulated materials can be cleaned in time, normal operation of the conveying device can be guaranteed, and conveying efficiency of the materials can be improved.

Further, the conveying device comprises a fan-shaped frame;

the shape of the housing is matched and connected with that of the fan-shaped frame;

the housing comprises a cover shell, a first cover plate and a second cover plate,

the first cover body is covered above one end of the fan-shaped rack and covers a port formed by one end of the fan-shaped rack and the first cover body, and a feeding hole is formed in the upper wall of the first cover body and used for feeding;

the second cover body is connected with the first cover body and covers the other end of the fan-shaped rack;

the third cover body is connected with the second cover body and covers a port formed by the other end of the fan-shaped rack and the second cover body; a discharge hole is formed in the bottom wall of the third cover body;

the door body is arranged on the side wall, located at the first port, of the first cover body and/or on the side wall, opposite to the second port, of the third cover body.

Through adopting above-mentioned scheme, because the material is deposited easily to feed end and discharge end, set up a body on the first cover body that is equipped with the feed inlet and the third cover body that is equipped with the discharge gate, be convenient for clear up the material that deposits up.

Furthermore, the second cover body is provided with a material poking assembly for leveling materials.

Through adopting above-mentioned scheme, dial the material subassembly and can stir and loose material, prevent that material part from piling up, conveyor atress is inhomogeneous, causes conveyor's local damage. In addition, the material shifting assembly is arranged on the second cover body positioned in the middle of the fan-shaped frame, so that the purpose of dispersing materials can be achieved, and the material inlet and outlet processes are not hindered.

Further, the material stirring component comprises a material stirring component,

the material stirring roller is rotatably arranged inside the second cover body, and two ends of the material stirring roller are respectively connected with two opposite side walls of the second cover body and are arranged along the radial direction of the fan-shaped frame;

and the material stirring part is arranged on the peripheral wall of the material stirring roller and used for stirring materials.

By adopting the scheme, the supporting effect on the material poking roller can be improved, and the connecting effect of the material poking roller and the second cover body is ensured; in addition, the material poking roller is rotationally arranged, so that the material poking effect of the material poking roller can be improved.

Furthermore, an observation window is arranged on the fan-shaped frame and used for observing the conveying condition of the materials and the operation and abrasion condition of the conveying device.

Further, the sector frame includes,

the bottom arc plate is in a fan shape with two arc edges, the two arc edges are opposite edges, and the plate surface faces upwards;

the inner arc plate is vertically arranged above the short arc edge of the bottom arc plate;

the outer arc plate is opposite to the surface of the inner arc plate and is vertically arranged above the long arc edge of the bottom arc plate, and the plate length of the outer arc plate is longer than that of the inner arc plate;

the three cover bodies are respectively and correspondingly connected with the edges of the three arc plates;

the observation window is arranged on the inner arc plate and/or the outer arc plate.

Furthermore, the conveying device also comprises a fan-shaped belt, the shape of the fan-shaped belt is matched with that of the bottom arc plate, and the fan-shaped belt is arranged between the inner arc plate and the outer arc plate;

the edge of one end, facing the outer arc plate, of the fan-shaped belt is provided with a rotating part, and a track matched with the rotating part is arranged on the outer arc plate along the running track of the rotating part;

the opening width of the track is smaller than the maximum length of the part of the rotating component, which is positioned in the track, in the opening width direction of the track;

the rotating component is matched with the track and used for tensioning and limiting the fan-shaped belt;

the observation window is arranged at the position, close to the track, of the outer arc plate and used for observing the running condition of the rotating part and the abrasion condition of the track.

By adopting the scheme, the fan-shaped belt can be prevented from deviating in the operation process, the tensioning state of the fan-shaped belt is ensured, and the transportation efficiency is improved. In addition, the arrangement of the observation window is convenient for observing the running conditions of the materials and the fan-shaped belt, the abrasion condition of the track can be observed, and the maintenance is convenient for the working personnel to maintain in time.

Furthermore, a blocking side belt is arranged at the joint of the housing and the fan-shaped frame and used for preventing material leakage. Further, the device also comprises a supporting device, wherein the supporting device comprises,

the two ends of the upper cross beam are respectively connected with the inner arc plate and the outer arc plate and are arranged along the radial direction of the fan-shaped frame;

the supporting plate is arranged on the upper cross beam and used for supporting the fan-shaped belt and ensuring that the fan-shaped belt is completely attached to the edge blocking belt.

By adopting the scheme, the supporting effect on the fan-shaped belt can be improved, and the material leakage from the edge joints of the three cover bodies and the three arc plates can be prevented.

Further, the housing and the sector frame are made of stainless steel.

Through adopting above-mentioned scheme, can reduce the frictional force of material and housing and fan-shaped frame, can improve the intensity of housing and fan-shaped frame again, can also make the outward appearance of conveyer more pleasing to the eye in addition.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. The housing can protect the transported materials from being influenced by the outside, so that the materials can be prevented from being polluted and blown away by the outside wind. The door body is arranged on the housing, so that accumulated materials can be cleaned in time, normal operation of the conveying device can be guaranteed, and the materials can be conveyed completely as far as possible.

2. Because the material is deposited easily to feed end and discharge end, set up the door body on the first cover body that is equipped with the feed inlet and the third cover body that is equipped with the discharge gate, the material that the clearance of being convenient for is deposited guarantees normal business turn over material.

3. The material stirring assembly can stir and loosen materials, so that the materials are prevented from being locally accumulated, and the conveying device is not uniformly stressed to cause local damage to the conveying device.

4. The cooperation of the rotating part and the track can prevent the fan-shaped belt from deviating in the operation process, ensure the tensioning state of the fan-shaped belt and improve the transportation efficiency.

5. The observation window sets up in the orbital position that is close to of outer arc board, both is convenient for observe the operation conditions of material and fan-shaped belt, also can observe orbital wearing and tearing condition, and the staff of being convenient for in time maintains.

6. The supporting device can improve the supporting effect on the fan-shaped belt and can prevent materials from leaking from the joint of the housing and the fan-shaped frame.

7. The encloser and the fan-shaped frame are made of stainless steel, so that the friction force between materials and the encloser and the fan-shaped frame can be reduced, the strength of the encloser and the fan-shaped frame can be improved, and the appearance of the conveyor can be more attractive.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of the corner conveyor of the present invention;

FIG. 2 is another angular schematic view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic partial cross-sectional view of FIG. 1;

fig. 5 is a schematic view of the mounting structure of the material stirring roller of the present invention;

fig. 6 is a schematic view of the installation structure of the supporting device of the present invention;

fig. 7 is a schematic view of the mounting structure of the support device of the present invention with the support plate removed.

In the figure: 1. a fan-shaped frame; 11. a bottom arc plate; 12. an inner arc plate; 13. an outer arc plate; 131. an observation window; 2. a housing; 21. a first cover body; 211. a feed inlet; 22. a second cover body; 23. a third cover body; 232. A discharge port; 24. a side blocking belt; 25. a door body; 3. a material poking component; 31. a material stirring roller; 311. adjusting a rod; 32. a sliding plate; 33. a fastening section; 41. a rotating member; 42. a track; 51. an upper cross beam; 52. a lower cross beam; 521. a roller; 53. a support plate; 6. a tapered roller; 7. and (4) a bracket.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, the utility model relates to an angle conveyor, which comprises a conveying device for conveying materials and changing the conveying direction of the materials, and simultaneously keeping the materials in a flat state all the time; the housing 2 is covered above the conveying device and is used for covering materials and part of the conveying device; the housing 2 is provided with a door 25 for cleaning accumulated materials and observing the operation conditions of the materials and the conveying device.

The utility model discloses a material that housing 2 can protect the transportation does not receive external influence, can avoid the material to be polluted, can prevent again that the material from being blown away by external wind-force. The door body 25 is arranged on the housing 2, so that accumulated materials can be cleaned in time, normal operation of the conveying device can be guaranteed, and conveying efficiency of the materials can be improved.

As shown in fig. 1 and 2, the conveyor includes a fan-shaped frame 1; the shape of the housing 2 is matched and connected with that of the fan-shaped rack 1, the housing 2 comprises a first housing body 21, the first housing body is covered above one end of the fan-shaped rack 1 and covers a first port formed by one end of the fan-shaped rack 1 and the first housing body 21, and a feeding hole 211 is formed in the upper wall of the first housing body 21 and used for feeding; the second cover body 22 is connected with the first cover body 21 and covers the other end of the fan-shaped frame 1; the third cover body 23 is connected with the second cover body 22 and covers a second port formed by the other end of the fan-shaped frame 1 and the second cover body 22; and a discharge port 232 is formed in the bottom wall of the third cover body 23, and materials enter the next-stage process from the discharge port 232. The door 25 is provided on a side wall of the first cover 21 at the first port, and/or on a side wall of the third cover 23 opposite to the second port.

And a concave cavity is formed in the housing 2, covers the fan-shaped rack 1 and is matched with the fan-shaped rack 1 to form a cavity. The first cover body 21 covers the upper portion of one end of the fan-shaped frame 1 and is matched with the fan-shaped frame 1 to form a first port, the first cover body 21 comprises a cover plate, the first port is blocked and arranged at the first port, and the door body 25 is arranged on the cover plate.

Because the material is deposited easily to the feed end and the discharge end of fan-shaped frame 1, the utility model discloses a door body 25 is seted up on the first cover body 21 that is equipped with feed inlet 211 and the third cover body 23 that is equipped with discharge gate 232, is convenient for clear up the material that fan-shaped frame 1 deposited.

As shown in fig. 1 to 5, the second cover 22 is provided with a material poking component 3 for leveling the material.

As shown in fig. 1 and 2, the depth of the concave cavity of the second cover 22 is greater than the depth of the concave cavity of the first cover 21, and after the second cover 22 is arranged above the fan-shaped frame 1, the second cover 22 is higher than the first cover 21, and the concave cavity of the second cover 22 is enough to accommodate the kick-out assembly 3.

As shown in fig. 1 to 5, the material poking assembly 3 includes a material poking roller 31 rotatably disposed inside the second cover 22, and two ends of the material poking roller 31 are respectively connected to two opposite side walls of the second cover 22 and radially disposed along the fan-shaped frame 1; and the material stirring part is arranged on the peripheral wall of the material stirring roller 31 and used for stirring materials.

As shown in fig. 1, 2 and 5, the material stirring roller 31 includes adjusting rods 311 installed at two ends of the material stirring roller 31 and having a diameter length smaller than that of the material stirring roller 31, and the adjusting rods 311 respectively penetrate through two opposite side walls of the second cover 22. A mounting plate is fixedly mounted at the joint of the second cover body 22 and the adjusting rod 311, a sliding plate 32 capable of sliding up and down is mounted on the mounting plate, a limiting component matched with the sliding plate 32 is mounted on the mounting plate, the limiting component and the mounting plate are matched to form a limiting groove, and two ends of the sliding plate 32 slide up and down in the limiting groove and are used for adjusting the position of the material stirring roller 31 up and down.

A fastening part 33 is installed at the lower end of the sliding plate 32, and the fastening part 33 comprises a first installation protrusion and is vertically installed on the plate surface of the sliding plate 32; the second mounting protrusion is vertically mounted on the mounting plate and is positioned right below the first mounting protrusion; and the stud penetrates through the first mounting protrusion and the second mounting protrusion, and the second mounting protrusion of the first mounting protrusion is relatively fixed through the fastening of a nut. The first mounting protrusion is tightly arranged between the nut and the screw head, the second mounting protrusion is fixedly arranged between the two nuts, and the relative positions of the two mounting protrusions are adjusted to further adjust the relative positions of the sliding plate 32 and the second cover body 22, so that the vertical adjustment of the sliding plate 32 is realized, and the height of the material stirring roller 31 is changed.

The outer upper wall of the second cover body 22 is provided with a connecting rod, and two ends of the connecting rod are respectively connected with the upper ends of the two mounting plates on the second cover body 22 and used for supporting and fixing the mounting plates.

An adjusting rod 311 at one end of the material stirring roller 31 is connected with a speed reducing motor, and the speed reducing motor drives the adjusting rod 311 to drive the material stirring roller 31 to rotate along the circumferential direction.

The material stirring roller 31 drives the material stirring part to rotate, the material is stirred, and/or the material stirring roller 31 is fixed, and the material is contacted with the material stirring part in the process of running along the designated direction on the conveying device and stirred by the material stirring part. Preferably, the material poking part is a rake nail arranged on the outer peripheral wall of the material poking roller 31.

As shown in fig. 2, the fan-shaped frame 1 is provided with an observation window 131 for observing the conveying condition of the material and the operation and wear condition of the conveying device.

As shown in fig. 3 and 7, the fan-shaped frame 1 includes a bottom arc plate 11 having a fan shape with two arc sides, the two arc sides are opposite sides, and the plate surface faces upward; the inner arc plate 12 is vertically arranged above the short arc edge of the bottom arc plate 11; the outer arc plate 13 is opposite to the surface of the inner arc plate 12 and is vertically arranged above the long arc edge of the bottom arc plate 11, and the plate length of the outer arc plate 13 is longer than that of the inner arc plate 12; the three cover bodies are respectively connected with the edges of the three arc plates correspondingly, and the observation window 131 is arranged on the inner arc plate 12 and/or the outer arc plate 13.

As shown in fig. 1, the lower edge of the first cover 21 is screwed to the upper edges of the inner arc plate 12 and the outer arc plate 13, the lower edge of the side wall of the second cover 22 facing the side of the first cover 21 is screwed to the upper edge of the first cover 21, and the lower edge of the second cover 22 is screwed to the upper edges of the inner arc plate 12 and the outer arc plate 13. The port of the third cover 23 faces the second cover 22, and is connected with the edge of the port of the second cover 22 and the edge of the end of the inner arc plate 12 and the end of the outer arc plate 13 by screws.

As shown in fig. 7, two conical rolls 6 are arranged at two ends of the fan-shaped frame 1, the large end of each conical roll 6 is rotatably connected with the outer arc plate 13, the small end of each conical roll is rotatably connected with the inner arc plate 12, the conical rolls are arranged along the radial direction of the fan-shaped frame 1, and the upper arc surfaces of the conical rolls 6 are horizontally arranged. The conical roller 6 is connected with a driving device and used for driving the conical roller 6 to rotate.

Further, the conveying device also comprises a fan-shaped belt, the shape of the fan-shaped belt is matched with that of the bottom arc plate 11, and the fan-shaped belt is arranged between the inner arc plate 12 and the outer arc plate 13; the fan-shaped belt wraps the outer surfaces of the two conical rollers 6, and the conical rollers 6 are used for driving the fan-shaped belt to run in the designated direction.

A rotating part 41 is arranged at the edge of one end of the fan-shaped belt facing the outer arc plate 13, and a track 42 matched with the rotating part 41 is arranged on the outer arc plate 13 along the running track of the rotating part 41; the opening width of the track 42 is smaller than the maximum length of the part of the rotating part 41 in the track 42 along the opening width direction of the track 42, and the rotating part 41 is matched with the track 42 to tension and limit the fan-shaped belt.

Preferably, the rotating member 41 is a rolling bearing. The inner ring of the rolling bearing is relatively fixedly connected with the sector belt, and the outer ring rotates along the track 42 along with the inner ring to advance in the operation process of the sector belt.

As shown in fig. 2, the observation window 131 is disposed at a position of the outer arc plate 13 close to the rail 42 for observing the operation condition of the rotating member 41 and the wear condition of the rail 42.

The utility model discloses a rotating part 41 and track 42 cooperation can prevent that fan-shaped belt from walking partially at the operation in-process, guarantee fan-shaped belt's tensioning state, improve conveying efficiency. In addition, the arrangement of the observation window 131 is convenient for observing the running conditions of the materials and the fan-shaped belt, and can also observe the abrasion condition of the track 42, so that the maintenance is convenient for the staff in time.

As shown in fig. 4, a flange 24 is provided at the connection between the casing 2 and the fan frame 1 to prevent material leakage. The door 25 is used for cleaning materials accumulated on the edge retaining belt 24 of the third cover body 23.

As shown in fig. 6 and 7, the conveying device further includes a plurality of supporting devices, each of the supporting devices includes an upper cross beam 51, and two ends of the upper cross beam 51 are respectively connected to the inner arc plate 12 and the outer arc plate 13 and arranged along the radial direction of the fan-shaped frame 1; and the supporting plate 53 is arranged on the upper cross beam 51 and positioned below the upper section belt of the fan-shaped belt, and is used for supporting the upper section belt of the fan-shaped belt and ensuring that the fan-shaped belt is completely attached to the edge blocking belt 24.

The supporting device further comprises a lower cross beam 52 arranged below the upper cross beam 51, wherein two ends of the lower cross beam 52 are respectively connected with the inner arc plate 12 and the outer arc plate 13 and are arranged along the surface trend of the lower belt of the fan-shaped belt. The periphery of the lower cross beam 52 is rotatably sleeved with a roller 521, the roller 521 is in contact with the lower surface of the lower belt of the fan-shaped belt, the lower belt of the fan-shaped belt is supported, and the lower belt of the fan-shaped belt is prevented from being suspended. The roller 521 is made of rubber, and preferably, the roller 521 is made of ultra-high molecular polyethylene.

Furthermore, the housing 2 and the fan-shaped frame 1 are made of stainless steel materials, so that the friction force between materials and the housing 2 and the fan-shaped frame 1 can be reduced, the strength of the housing 2 and the fan-shaped frame 1 can be improved, and the appearance of the conveyor is more attractive.

As shown in fig. 1, the utility model relates to a corner conveyor, still include support 7, support and be in the below of fan-shaped frame 1 is located fan-shaped frame 1's both ends. The both ends of end arc board 11 respectively with support 7 is connected, inner arc board 12 and outer arc board 13 erect on support 7, have the clearance between end arc board 11 and inner arc board 12 and the outer arc board 13, do not connect.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention still fall within the scope of the present invention.

Claims (10)

1. An angle conveyor, which is characterized by comprising,

the conveying device is used for conveying materials and changing the conveying direction of the materials;

the cover is covered above the conveying device and is used for covering the materials and part of the conveying device;

the cover is provided with a door body for cleaning accumulated materials.

2. The corner conveyor of claim 1, wherein the conveyor means comprises a fan frame;

the shape of the housing is matched and connected with that of the fan-shaped frame;

the housing comprises a cover shell, a first cover plate and a second cover plate,

the first cover body is covered above one end of the fan-shaped rack and covers a first port formed by one end of the fan-shaped rack and the first cover body, and a feeding hole is formed in the upper wall of the first cover body and used for feeding;

the second cover body is connected with the first cover body and covers the other end of the fan-shaped rack;

the third cover body is connected with the second cover body and covers a second port formed by the other end of the fan-shaped frame and the second cover body; a discharge hole is formed in the bottom wall of the third cover body;

the door body is arranged on the side wall, located at the first port, of the first cover body and/or on the side wall, opposite to the second port, of the third cover body.

3. The corner conveyor according to claim 2, wherein the second housing has a kick-off assembly for leveling the material.

4. The corner conveyor of claim 3, wherein the kickoff assembly comprises,

the material stirring roller is rotatably arranged inside the second cover body, and two ends of the material stirring roller are respectively connected with two opposite side walls of the second cover body and are arranged along the radial direction of the fan-shaped frame;

and the material stirring part is arranged on the peripheral wall of the material stirring roller and used for stirring materials.

5. The corner conveyor according to claim 2, wherein the fan-shaped frame is provided with an observation window for observing the conveying condition of the materials and the operation and wear condition of the conveying device.

6. The corner conveyor of claim 5, wherein the sector frame comprises,

the bottom arc plate is in a fan shape with two arc edges, the two arc edges are opposite edges, and the plate surface faces upwards;

the inner arc plate is vertically arranged above the short arc edge of the bottom arc plate;

the outer arc plate is opposite to the surface of the inner arc plate and is vertically arranged above the long arc edge of the bottom arc plate, and the plate length of the outer arc plate is longer than that of the inner arc plate;

the three cover bodies are respectively and correspondingly connected with the edges of the three arc plates;

the observation window is arranged on the inner arc plate and/or the outer arc plate.

7. The corner conveyor according to claim 6, wherein the conveyor further comprises a fan-shaped belt, which is matched with the bottom arc plate in shape and is arranged between the inner arc plate and the outer arc plate;

the edge of one end, facing the outer arc plate, of the fan-shaped belt is provided with a rotating part, and a track matched with the rotating part is arranged on the outer arc plate along the running track of the rotating part;

the opening width of the track is smaller than the maximum length of the part of the rotating component, which is positioned in the track, in the opening width direction of the track;

the rotating component is matched with the track and used for tensioning and limiting the fan-shaped belt;

the observation window is arranged at the position, close to the track, of the outer arc plate and used for observing the running condition of the rotating part and the abrasion condition of the track.

8. The corner conveyor according to claim 6, wherein the connection between the housing and the fan-shaped frame is provided with a flange belt for preventing material leakage.

9. The corner conveyor of claim 8, further comprising a support device, the support device comprising,

the two ends of the upper cross beam are respectively connected with the inner arc plate and the outer arc plate and are arranged along the radial direction of the fan-shaped frame;

the supporting plate is arranged on the upper cross beam and used for supporting the fan-shaped belt and ensuring that the fan-shaped belt is completely attached to the edge blocking belt.

10. A corner conveyor according to any one of claims 2 to 9, wherein the housing and the fan frame are made of stainless steel.

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