CN113816072B - Unloading device of air cushion conveyor - Google Patents
Unloading device of air cushion conveyor Download PDFInfo
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- CN113816072B CN113816072B CN202111001307.XA CN202111001307A CN113816072B CN 113816072 B CN113816072 B CN 113816072B CN 202111001307 A CN202111001307 A CN 202111001307A CN 113816072 B CN113816072 B CN 113816072B
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- shovel body
- connecting rod
- arc
- air chamber
- air cushion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/08—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration the load-carrying surface being formed by a concave or tubular belt, e.g. a belt forming a trough
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a discharging device of an air cushion conveyor, which is arranged at the top of an air chamber of the air cushion conveyor, wherein an arc-shaped disc groove and a conveying belt are arranged at the lower part of the air chamber; the discharging device comprises a driving shaft, a driving piece, a connecting rod, a shovel body and a scraping plate, wherein the shovel body is connected with the lower end of the connecting rod and can be arranged in the air chamber in a lifting manner, the middle part of the shovel body is recessed backwards so that the shovel body can be in a first arc-shaped structure when seen from the side, and the edges of the two sides of the lower part of the shovel body are respectively provided with a first notch for outputting materials. According to the utility model, the discharging device is arranged in the air chamber, so that the shovel body is lowered when discharging is needed, and the shovel body is lifted when discharging is not needed, so that the normal use of the air chamber is not influenced, and the purpose of directly discharging under the condition that the air chamber is not disconnected is realized; the shovel body is arranged to be an arc structure which is identical with the arc of the disc groove, not only can be propped against the conveying belt to realize the unloading in the arc state and the air film supporting conveying state of the conveying belt, but also the shovel body is matched with the disc groove together, so that the stability of the conveying belt for conveying materials is improved.
Description
Technical Field
The utility model relates to the technical field of continuous conveying equipment, in particular to a discharging device of an air cushion conveyor.
Background
The air cushion belt conveyor is characterized in that an air chamber disc groove with holes is used for replacing a carrier roller of the carrier roller belt conveyor, when an air source supplies air with certain pressure and flow to the air chamber, the air in the air chamber escapes through small holes on the disc groove, a layer of air film with certain thickness is formed between the conveying belt and the disc groove, the corresponding conveying belt is supported, continuous air cushion support is formed, rolling friction between the conveying belt and the carrier roller is changed into fluid friction between the conveying belt and the air film, so that running resistance is reduced, and energy consumption is reduced.
For example, the chinese patent of patent No. CN212952514U (application No. CN 202021443961.7) discloses a structure comprising an air cushion conveying body, a driving roller, a driven roller, a conveying belt, a nose sealing housing and a tail sealing housing, wherein the orifice on the upper plate groove is only arranged in the middle of the upper plate groove, the conveyor further comprises an air supply fan, the air supply fan is supplied with compressed air to the upper air chamber, the air supply fan is communicated with the conveying layer chamber through an air suction channel, and air is sucked when the conveying belt conveys materials, so that the conveying layer chamber, the interior of the nose sealing housing and the interior of the tail sealing housing all form negative pressure chambers.
When the conventional air cushion belt conveyor is used for discharging, the conveyor belt is generally in a carrier roller transition method under the condition of disconnecting an air cushion machine air chamber, the belt of the air cushion machine is flattened firstly, and then materials are discharged from two sides through a plow discharger, so that the aim of multipoint discharging is fulfilled.
However, disconnecting the air cushion machine air chamber for unloading not only wastes material, but also reduces the conveying efficiency. Therefore, there is a need for further improvements in the discharge devices of current air cushion conveyors.
Disclosure of Invention
The utility model aims to solve the technical problem of the prior art, and provides the unloading device of the air cushion conveyor, which can realize unloading under the normal operation state of an air chamber, thereby avoiding material waste and improving conveying efficiency.
The technical scheme adopted for solving the technical problems is as follows: the unloading device of the air cushion conveyor is connected to the top of the air cushion conveyor and can be arranged at any position of the air cushion conveyor, and the lower part of the air cushion conveyor is provided with an arc-shaped disc groove and a conveying belt positioned on the upper side of the disc groove;
the method is characterized in that: the discharging device comprises
The driving shaft is rotatably arranged through the top of the air chamber, and the axial direction of the driving shaft is perpendicular to the feeding direction of the conveying belt;
the driving piece is arranged outside the air chamber, and the output end of the driving piece is connected with the driving shaft and is used for driving the driving shaft to rotate;
the upper end of the connecting rod is connected with the driving shaft and rotates along with the rotation of the driving shaft, and the lower end of the connecting rod extends obliquely downwards;
the shovel body is connected with the lower end of the connecting rod so as to be arranged in the air chamber in a lifting manner, the middle part of the shovel body is recessed backwards so as to form a first arc-shaped structure when seen from the side, the two side edges of the lower part of the shovel body are respectively provided with a first notch for outputting materials, the lower edge of the shovel body forms a second arc-shaped structure which is gradually inclined inwards and downwards from the first notch, and in a discharging state, the shovel body descends to the second arc-shaped structure to be abutted against the conveying belt; the back of the shovel body is fixed with a wear-resistant lining board through a screw; and
and the scraping plate is arranged at the rear side of the shovel body and is used for sweeping out materials which are missed through the shovel body in a discharging state.
In order to facilitate assembly and connection, the back of the shovel body is provided with a support frame which is transversely arranged, and the lower end of the connecting rod is rotationally connected with the support frame.
Preferably, the connecting rod include first connecting rod, second connecting rod, the upper end of first connecting rod is connected with the drive shaft, the lower extreme of first connecting rod is rotated with the support frame and is connected, the air chamber top is provided with the first support arm that downwardly extending to drive shaft front side, the upper end of second connecting rod is rotated with this first support arm and is connected, the lower extreme of second connecting rod is rotated with the support frame and is connected the front side that the junction is located first connecting rod lower extreme and support frame junction. Above-mentioned first connecting rod mainly is as power transmission structure, drives the shovel body and goes up and down, and the second connecting rod then plays the effect of strengthening shovel body connection stability on the one hand, and on the other hand makes the shovel body remain the support frame level throughout at the lift in-process, keeps first arc structure for the angle maintenance invariable of conveyer belt promptly to make the state of unloading remain stable.
In the scheme, the top of the air chamber is provided with the I-steel, and the top of the first supporting arm is fixed on the I-steel; the I-steel is also provided with a second supporting arm, and the lower end of the second supporting arm is provided with a shaft hole for the driving shaft to pass through.
The upper end of the scraper blade is connected to the support frame in a vertically floating mode through the buffer mechanism, and in a discharging state, the lower edge of the scraper blade always keeps the trend of abutting against the conveying belt. This structure is favorable to improving the accuracy of unloading.
Preferably, the buffer mechanism comprises a bolt, a spring and a nut, wherein the bolt passes through the support frame to be arranged, the lower end of the bolt is connected with the scraping plate through the support, the spring is sleeved on the bolt, the upper end of the spring abuts against the bottom wall of the support frame, and the nut is connected to the lower end of the bolt, and the upper end of the nut abuts against the lower end of the spring. The structure can enable the lower end of the scraping plate to always lean against the conveying belt in the unloading state.
Further preferably, a buffer cushion is further arranged on the support frame, and the buffer cushion is located between the support frame and the upper end of the spring.
In the utility model, the first arc structure forms the upper part of the shovel body, the lower part of the shovel body is a flat plate tangentially connected with the first arc structure, the lower part of the scraping plate gradually extends from back to front to form a third arc structure, and the third arc structure is arranged corresponding to the back of the flat plate. The structure can improve the contact area of the shovel body and the conveyer belt and improve the unloading precision.
Preferably, in the unloading state, the lower edge of the third arc-shaped structure is located below the lower edge of the flat plate. The structure is favorable for cleaning materials which are not cleaned, and clean unloading is realized.
Preferably, the two sides of the scraping plate are provided with second gaps for outputting materials, the lower edge of the third arc-shaped structure is propped against the tangential direction of the conveying belt in the unloading state, and the front side surface of the third arc-shaped structure and the second gaps form an output structure for outputting residual materials together. The structure is beneficial to improving the unloading cleanliness.
Compared with the prior art, the utility model has the advantages that: according to the utility model, the discharging device is directly contacted with the conveying belt on the air chamber, so that the shovel body is lowered when discharging is needed, and is lifted when discharging is not needed, and the normal operation of the conveying belt is not affected, so that the direct discharging is realized under the condition that the air chamber is not disconnected, the material waste is avoided, and the conveying efficiency is improved; the shovel body is arranged to be an arc structure which is identical with the arc of the disc groove, not only can be propped against the conveying belt to realize the unloading in the arc state and the air film supporting conveying state of the conveying belt, but also the shovel body is matched with the disc groove together, so that the stability of the conveying belt for conveying materials is improved.
Drawings
FIG. 1 is a schematic view of the back structure of a discharge device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a front structure of a discharging device according to an embodiment of the present utility model;
FIG. 3 is an assembly view of a shovel body, a support frame, a scraper, and a buffer mechanism according to an embodiment of the present utility model;
FIG. 4 is a front view of a shovel according to an embodiment of the present utility model;
FIG. 5 is a top view of a shovel according to an embodiment of the present utility model;
fig. 6 is a front view of a screed according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, the unloading device of the air cushion conveyor of the present embodiment is disposed in the air chamber 70 of the air cushion conveyor and connected to the top of the air chamber 70, and an arc-shaped tray groove and a conveyor belt 100 disposed on the upper side of the tray groove are disposed at the lower part of the air chamber 70.
The discharging device of the embodiment comprises a driving shaft 12, a driving piece 11, a connecting rod, a shovel body 5, a scraping plate 9 and a buffer mechanism.
Wherein the driving shaft 12 can rotatably pass through the top of the air chamber 70, and the axial direction of the driving shaft 12 is perpendicular to the feeding direction of the conveying belt 100; the driving member 11 is a motor, and is disposed outside the air chamber 70, and has an output end connected to the driving shaft 12 for driving the driving shaft 12 to rotate. The upper end of the connecting rod is connected with the driving shaft 12 and rotates along with the rotation of the driving shaft 12, and the lower end extends obliquely downwards.
The shovel body 5 is connected with the lower end of the connecting rod so as to be arranged in the air chamber 70 in a lifting manner, the middle part of the shovel body 5 is recessed backwards so as to form a first arc-shaped structure 51 when seen from the side, the two side edges of the lower part of the shovel body 5 are respectively provided with a first notch 52 for outputting materials, the lower edge of the shovel body 5 forms a second arc-shaped structure 53 which is gradually inclined inwards and downwards from the first notch 52, and in a discharging state, the shovel body 5 descends to the second arc-shaped structure 53 to be abutted against the conveying belt 100. The back of the shovel body 5 is fixed with a wear-resistant lining plate 54 through screws. The scraping plates 9 are arranged at intervals on the rear side of the shovel body 5, and are used for sweeping out materials which are missed through the shovel body 5 in a discharging state.
In order to facilitate assembly and connection, the back of the shovel body 5 is provided with a support frame 10 which is transversely arranged, and the lower end of the connecting rod is rotatably connected with the support frame 10.
Specifically, the connecting rod includes a first connecting rod 61 and a second connecting rod 62, the upper end of the first connecting rod 61 is connected with the driving shaft 12, the lower end of the first connecting rod 61 is rotatably connected with the supporting frame 10, a first supporting arm 63 extending downwards to the front side of the driving shaft 12 is arranged at the top of the air chamber 70, the upper end of the second connecting rod 62 is rotatably connected with the first supporting arm 63, the lower end of the second connecting rod 62 is rotatably connected with the supporting frame 10, and the connecting position is positioned at the front side of the connecting position of the lower end of the first connecting rod 61 and the supporting frame 10. The first connecting rod 61 is mainly used as a power transmission structure to drive the shovel 5 to lift, while the second connecting rod 62 serves to enhance the connection stability of the shovel 5, and on the other hand, the shovel 5 always maintains the support frame 10 horizontal during the lifting process, i.e. maintains the angle of the first arc structure 51 relative to the conveyor belt 100 constant, so as to maintain the unloading state stable.
In the above scheme, the top of the air chamber 70 is provided with the i-steel 4, and the top of the first supporting arm 63 is fixed on the i-steel 4; the i-steel 4 is further provided with a second supporting arm 41, and the lower end of the second supporting arm 41 is provided with a shaft hole for the driving shaft 12 to pass through.
In the present embodiment, the upper end of the scraper 9 is connected to the supporting frame 10 by a buffer mechanism so as to be capable of floating up and down, and in the discharging state, the lower edge of the scraper 9 always keeps a tendency to abut against the conveyor belt 100. This structure is favorable to improving the accuracy of unloading. The buffer mechanism comprises a bolt 101, a spring 102 and a nut 103, wherein the bolt 101 passes through the support frame 10, the lower end of the bolt 101 is connected with the scraping plate 9 through the support 14, the spring 102 is sleeved on the bolt 101, the upper end of the spring is abutted against the bottom wall of the support frame 10, and the nut 103 is connected to the lower end of the bolt 101, and the upper end of the nut is abutted against the lower end of the spring 102. The above structure can make the lower end of the scraper 9 always lean against the conveyer belt 100 in the unloading state. The support frame 10 is further provided with a cushion 15, which cushion 15 is located between the support frame 10 and the upper end of the spring 102.
The first arc structure 51 of this embodiment forms an upper portion of the shovel body 5, the lower portion of the shovel body 5 is a flat plate 55 tangentially connected with the first arc structure 51, the lower portion of the scraper 9 gradually extends from back to front to form a third arc structure 91, and the third arc structure 91 is arranged corresponding to the back of the flat plate 55. This structure can improve the contact area of the shovel body 5 and the conveyor belt 100 and improve the discharging accuracy. In the discharge state, the lower edge of the third arc-shaped structure 91 is located below the lower edge of the flat plate 55, which is beneficial to cleaning the uncleaned material out, and realizing clean discharge.
The scraping plate 9 has second notches 92 for outputting materials on two sides, and in the unloading state, the lower edge of the third arc-shaped structure 91 tangentially abuts against the conveyor belt 100, and the front side surface of the third arc-shaped structure 91 and the second notches 92 together form an output structure for outputting residual materials. The structure is beneficial to improving the unloading cleanliness.
In the embodiment, the discharging device is arranged in the air chamber 70, when the discharging is needed, the shovel body 5 is lowered, and when the discharging is not needed, the shovel body 5 is lifted up, so that the normal use of the air chamber 70 is not influenced, and the direct discharging is realized under the condition that the air chamber 70 is not disconnected; the shovel body 5 is set to the arc structure identical with the arc of the disc groove, under the unloading state, the materials are output from the side of the first notch 52, a small amount of materials which are missed after passing through the shovel body 5 are output from the second notch 92 under the action of the scraping plate 9, the shovel body 5 not only can be propped against the conveying belt 100, the unloading under the arc state and the air film supporting conveying state of the conveying belt 100 is realized, but also the shovel body 5 is matched with the disc groove together, and the stability of the conveying belt 100 for conveying the materials is improved.
In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.
Claims (10)
1. The unloading device of the air cushion conveyor is arranged at any position of an air chamber of the air cushion conveyor and connected to the top of the air chamber, and an arc-shaped disc groove and a conveying belt positioned on the upper side of the disc groove are arranged at the lower part of the air chamber;
the method is characterized in that: the unloading device of the air cushion conveyor comprises
The driving shaft is rotatably arranged through the top of the air chamber, and the axial direction of the driving shaft is perpendicular to the feeding direction of the conveying belt;
the driving piece is arranged outside the air chamber, and the output end of the driving piece is connected with the driving shaft and is used for driving the driving shaft to rotate;
the upper end of the connecting rod is connected with the driving shaft and rotates along with the rotation of the driving shaft, and the lower end of the connecting rod extends obliquely downwards;
the shovel body is connected with the lower end of the connecting rod so as to be arranged in the air chamber in a lifting manner, the middle part of the shovel body is recessed backwards so as to form a first arc-shaped structure when seen from the side, the two side edges of the lower part of the shovel body are respectively provided with a first notch for outputting materials, the lower edge of the shovel body forms a second arc-shaped structure which is gradually inclined inwards and downwards from the first notch, and in a discharging state, the shovel body descends to the second arc-shaped structure to be abutted against the conveying belt; and
and the scraping plate is arranged at the rear side of the shovel body and is used for sweeping out materials which are missed through the shovel body in a discharging state.
2. The discharge apparatus of an air cushion conveyor of claim 1, wherein: the back of the shovel body is provided with a supporting frame which is transversely arranged, and the lower end of the connecting rod is rotationally connected with the supporting frame.
3. The discharge apparatus of an air cushion conveyor of claim 2, wherein: the connecting rod include first connecting rod, second connecting rod, the upper end of first connecting rod is connected with the drive shaft, the lower extreme of first connecting rod is connected with the support frame rotation, the air chamber top is provided with the first support arm that downwardly extending to drive shaft front side, the upper end of second connecting rod is connected with this first support arm rotation, the lower extreme of second connecting rod is connected with the support frame rotation and junction is located the front side of first connecting rod lower extreme and support frame junction.
4. A discharge apparatus for an air cushion conveyor as claimed in claim 3 wherein: the top of the air chamber is provided with I-steel, and the top of the first supporting arm is fixed on the I-steel; the I-steel is also provided with a second supporting arm, and the lower end of the second supporting arm is provided with a shaft hole for the driving shaft to pass through.
5. The discharge device of an air cushion conveyor according to any one of claims 2 to 4, wherein: the upper end of the scraper blade can be connected to the support frame in a vertically floating mode through the buffer mechanism, and the lower edge of the scraper blade always abuts against the conveying belt in a discharging state.
6. The air cushion conveyor discharge apparatus of claim 5 wherein: the buffer mechanism comprises a bolt, a spring and a nut, wherein the bolt penetrates through the supporting frame to be arranged, the lower end of the bolt is connected with the scraping plate through the support, the spring is sleeved on the bolt, the upper end of the spring abuts against the bottom wall of the supporting frame, and the nut is connected to the lower end of the bolt, and the upper end of the nut abuts against the lower end of the spring.
7. The air cushion conveyor discharge apparatus of claim 6 wherein: and a buffer cushion is further arranged on the support frame and is positioned between the support frame and the upper end of the spring.
8. The discharge device of an air cushion conveyor according to any one of claims 1 to 4, wherein: the first arc structure forms the upper portion of the shovel body, shovel body lower part is the dull and stereotyped with first arc structure tangential connection, the scraper blade lower part extends from back forward gradually and forms the third arc structure, and this third arc structure corresponds the back of dull and stereotyped and arranged.
9. The air cushion conveyor discharge apparatus of claim 8 wherein: in the unloading state, the lower edge of the third arc-shaped structure is positioned below the lower edge of the flat plate.
10. The air cushion conveyor discharge apparatus of claim 8 wherein: the scraper blade both sides have the second breach that supplies the material output, under the state of unloading, the lower limb of third arc structure offsets with the conveyer belt tangential, the leading flank of third arc structure forms the output structure that supplies the output of residual material with the second breach jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001307.XA CN113816072B (en) | 2021-08-30 | 2021-08-30 | Unloading device of air cushion conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001307.XA CN113816072B (en) | 2021-08-30 | 2021-08-30 | Unloading device of air cushion conveyor |
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| CN113816072A CN113816072A (en) | 2021-12-21 |
| CN113816072B true CN113816072B (en) | 2023-05-05 |
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| CN202111001307.XA Active CN113816072B (en) | 2021-08-30 | 2021-08-30 | Unloading device of air cushion conveyor |
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