CN110844545A - Active material-stirring type material distributing and discharging system - Google Patents

Active material-stirring type material distributing and discharging system Download PDF

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Publication number
CN110844545A
CN110844545A CN201911139641.4A CN201911139641A CN110844545A CN 110844545 A CN110844545 A CN 110844545A CN 201911139641 A CN201911139641 A CN 201911139641A CN 110844545 A CN110844545 A CN 110844545A
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China
Prior art keywords
belt
conveying line
material shifting
driving roller
discharging
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Granted
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CN201911139641.4A
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Chinese (zh)
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CN110844545B (en
Inventor
刘建坡
刘建涛
王成宪
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Zhengzhou Leizhan Technology Paper Machinery Co Ltd
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Zhengzhou Leizhan Technology Paper Machinery Co Ltd
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Publication of CN110844545A publication Critical patent/CN110844545A/en
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Publication of CN110844545B publication Critical patent/CN110844545B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34Devices for discharging articles or materials from conveyor 
    • B65G47/46Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points
    • B65G47/51Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination
    • B65G47/5195Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination for materials in bulk

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

The invention discloses an active material shifting type distributing and discharging system which comprises a conveying line for conveying materials, wherein charging containers are arranged beside the conveying line at intervals along the conveying direction, and distributing and discharging devices for guiding the materials on the conveying line to the charging containers are respectively arranged between the conveying line and the corresponding charging containers; the material distributing and discharging device comprises a movable rack transversely crossing the conveying line, an active material stirring mechanism is arranged on the movable rack, and the movable rack is downwards connected with a lifting driving mechanism for driving the movable rack to move up and down; the active material shifting mechanism comprises a material shifting belt which is transversely arranged, the material shifting belt is driven by a driving roller which is arranged on the rack, and the downward projection of the material shifting belt and the conveying line are arranged in a cross mode. The invention has the characteristics of reliable operation, small material dividing and discharging sections, high material dividing and discharging speed, wide material application range and the like, and can save equipment investment and reduce occupied area.

Description

Active material-stirring type material distributing and discharging system
Technical Field
The invention belongs to the technical field of material conveying, and particularly relates to an active material poking type material distributing and discharging system.
Background
When materials are conveyed, a belt conveyor and a plurality of material separating and discharging devices are arranged on the belt conveyor to meet the working requirement that the belt conveyor can respectively convey the materials to a plurality of containers which are arranged in a straight line. Most of the traditional belt conveyor dividing and discharging adopts a scraper (equivalent to a guide plate) type structure, the scraper falls down when dividing and discharging, and materials are scraped down from the belt conveyor by utilizing the inclination angle of the scraper and the running direction of the belt. The separating and discharging device with the structure has the following disadvantages:
1. the included angle between the scraper and the running direction of the belt cannot be too large, so that the separating and discharging sections are too long;
2. when materials with low density (such as scattered waste paper, wheat straw and the like) are conveyed, the materials are easy to be piled in front of the scraper, and the materials are difficult to separate and unload.
Other forms of multipoint discharge systems are also disclosed in the prior art:
the invention of the publication number CN107934485A provides a sliding shoe type mobile discharging device for a belt conveyor, which comprises a mobile discharging hopper and sliding shoe devices, wherein the sliding shoe devices are arranged on two sides of the mobile discharging hopper, each sliding shoe device comprises a sliding shoe plate and a sliding shoe carrier roller group, the mobile discharging hopper is connected with the sliding shoe plate, the sliding shoe plates are matched with groove-shaped carrier roller groups, the groove-shaped carrier roller groups are arranged on a frame body, and the sliding shoe carrier roller groups are arranged on the sliding shoe plates. The invention has the advantages that: the multi-point or any point unloading can be realized by reciprocating movement, and the structure is simple, the flexibility is strong, and the arrangement is convenient; the equipment investment cost can be effectively saved; the two ends of the movable discharging hopper are hinged to be capable of adapting to the angle change of the belt conveyor, and discharging stability is guaranteed.
Utility model discloses a belt conveyor multiple spot discharge apparatus as notice number CN206265816U, including belt feeder frame (1), belt (2) and bearing roller (3), its characterized in that: a discharging device is arranged at the discharging position in the belt conveyor frame (1); the discharging device comprises an electric hoist (4), a jacking arm (5), a jacking belt guide wheel (6), a scraping plate (7) and a material baffle plate (8), wherein a fulcrum (9) is further arranged above the inner part of the belt conveyor frame (1); the jacking arm (5) is rotatably and movably connected with the fulcrum (9); the electric hoist (4) is connected with one end of the jacking arm (5); the other end of the jacking arm (5) is arranged below the belt (2) through a top belt guide wheel (6). The utility model discloses simple structure, simple to operate, low cost, the problem of unloading around can only be effectual the current band conveyer of solution improves band conveyer's the efficiency of unloading.
The utility model, as the publication number CN203473871U, relates to a multi-point discharging and distributing system for sludge conveying, which comprises a distributing belt conveyor (1), a discharging device and a sludge dewatering storage bin (6); the discharging devices are arranged on the material distribution belt conveyor (1) in a plurality, and the discharging devices are sequentially arranged along the running direction of the material distribution belt conveyor and are positioned above the material distribution belt conveyor (1); the sludge dewatering storage bin (6) is multiple and is arranged corresponding to the discharging device, and the sludge dewatering storage bin (6) is located below the material distribution belt conveyor (1). The utility model discloses the device can realize a little feeding, and the multiple spot is unloaded, has extended traditional a little feeding, the mode of unloading a little.
Utility model discloses a rubber belt conveyor with pressure belt multiple spot tripper like notice number CN202414738U, its constitution includes: the belt type material discharging device comprises an adhesive tape, a driving mechanism of the adhesive tape and an adhesive tape support, wherein belt type material discharging devices are distributed on the adhesive tape according to material discharging points. This product corresponds each unloading point at the rubber belt conveyor interlude and sets up and press the belt unloader, when the rubber belt conveyor need unload at a certain point, adopts elevating system to descend the conveyer belt oppression to suitable position, makes the gravity trickling of the material on the conveyer belt through grain itself to changing to the hopper, changes to hopper one side or both sides and has the discharge opening, and material accessible discharge opening trickles to the target location. No grain moves forward along with the conveyer belt, and the problem of back chipping is thoroughly solved. When the point finishes discharging, the lifting mechanism is adopted to lift the conveying belt to a proper position, so that the conveying belt is kept in a horizontal state, grains are conveyed to a next discharging opening, and when the rubber belt conveyor needs to discharge at another point, the operation is repeated, and the multi-point discharging operation is completed.
However, the above-mentioned patent publications adopt the same structure in the form of a deflector, and still only can realize passive material guiding, but cannot realize active material stirring during material separating and discharging operations.
Disclosure of Invention
The invention provides an active material poking type distributing and discharging system for overcoming the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
an active material shifting type material distributing and discharging system comprises a conveying line for conveying materials, wherein charging containers are arranged beside the conveying line at intervals along the conveying direction, and material distributing and discharging devices for guiding the materials on the conveying line to the charging containers are arranged between the conveying line and the corresponding charging containers respectively;
the material distributing and discharging device comprises a movable rack transversely crossing the conveying line, an active material stirring mechanism is arranged on the movable rack, and the movable rack is downwards connected with a lifting driving mechanism for driving the movable rack to move up and down;
the active material shifting mechanism comprises a material shifting belt which is transversely arranged, the material shifting belt is driven by a driving roller which is arranged on the movable rack, and the downward projection of the material shifting belt and the conveying line are arranged in a cross mode.
And an included angle between the conveying direction of the material shifting belt and the conveying direction of the conveying line is an obtuse angle.
And the working surface of the material shifting belt is provided with a material shifting toothed plate.
The driving roller comprises a driving roller and a driven roller which are respectively arranged on two sides of the conveying line.
The width side of the material shifting belt is provided with an integrated V-shaped belt, the V-shaped belt protrudes towards the driving roller, a V-shaped groove corresponding to the V-shaped belt is formed in the driving roller, and the V-shaped belt is embedded in the V-shaped groove.
The lifting driving mechanism comprises a lifting guide sliding rail and a lifting cylinder which are vertically arranged, and the lifting guide sliding rail and the lifting cylinder are both arranged on a fixed rack which is lower than the conveying line; the movable frame is in sliding fit with the lifting guide sliding rail, and the piston end of the lifting cylinder is connected with the movable frame.
The movable rack comprises a cross brace positioned above and a support frame positioned below and fixedly connected with the cross brace, and installation parts for installing the driving roller are respectively formed at the two transverse ends of the support frame and the corresponding cross brace part.
The bottom sides of the mounting parts are fixedly provided with limiting blocks, and the fixed rack is provided with a bottom dead center positioning block at a position corresponding to the limiting blocks; when the stopper contacts with the lower dead center locating piece, the downside and the transfer chain parallel and level of dialling the material belt.
A material shifting belt tensioning mechanism is arranged between one of the driving rollers and the corresponding mounting part, the material shifting belt tensioning mechanism comprises a transverse long groove arranged at the transverse end part of the support frame and the transverse support part, the two axial ends of the driving roller are respectively mounted in the corresponding transverse long grooves, one axial end of the driving roller is connected with a transverse adjusting screw, and the adjusting screw penetrates through the transverse end part of the support frame and is connected with the axial end part of the driving roller.
The both sides of transfer chain are equipped with the backplate of arranging along direction of delivery, and the backplate corresponds the department with dividing discharge apparatus and is equipped with the breach, and breach department is equipped with adjustable fender.
The invention has the beneficial effects that:
1. the material distributing and discharging device is used for realizing material distributing and discharging, the conveyed material can be immediately conveyed into the material container by the material shifting belt at the moment when the conveyed material is collided with the material shifting belt, the passive material guide (flow guide) is changed into the active material shifting, and the material distributing and discharging device has the characteristics of short material distributing and discharging area, wide material application range and the like.
2. The invention is provided with the charging containers arranged at intervals along the conveying direction beside the conveying line, and the branch discharging devices guiding the materials on the conveying line to the charging containers are respectively arranged between the conveying line and the corresponding charging containers, thereby realizing multi-point arbitrary active branch discharging.
3. The invention designs the material shifting toothed plate on the working surface of the material shifting belt, and aims to prevent materials from slipping on the material shifting belt and improve the material grabbing and shifting efficiency of the material shifting belt.
4. According to the invention, the V-shaped belt is integrally arranged on the width side of the material shifting belt, the V-shaped belt protrudes towards the driving roller and the driven roller, the driving roller and the driven roller are provided with the V-shaped grooves corresponding to the V-shaped belt, and the V-shaped belt is embedded in the V-shaped grooves, so that the combination of the flat belt and the V-shaped belt is realized, the material shifting belt has double effects of conveying the flat belt and the V-shaped transmission belt, and the material shifting belt can be prevented from deviating.
5. The invention has the characteristics of reliable operation, small material dividing and discharging sections, high material dividing and discharging speed, wide material application range, one belt conveyor with multiple purposes and the like.
Drawings
FIG. 1 is a schematic plan view of an active kick-off type material distribution and discharge system in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a sub-discharging device in an embodiment of the invention;
FIG. 3 is a top plan view of the portion of the kickoff belt of FIG. 2;
fig. 4 is an enlarged view at a in fig. 2.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings, wherein a is an arrow in fig. 1 showing a material moving direction, and b is an arrow in a material discharging direction.
As shown in fig. 1 to 4, the embodiment discloses an active material stirring type material distributing and discharging system, which includes a conveying line 1 for conveying materials, wherein the conveying line 1 can be a belt conveyor, the side of the conveying line 1 is provided with charging containers 2 arranged in a straight line at intervals along the conveying direction, and the charging containers 2 are a # 1 charging container, a # 2 charging container, a # 3 charging container … … N-1# charging container and a # N charging container in sequence along the conveying direction.
The material distributing and discharging device 3 for guiding the materials on the conveying line 1 to the charging containers 2 is arranged between each corresponding charging container 2 on the conveying line 1, and the material distributing and discharging device 3 sequentially comprises a 1# material distributing and discharging device, a 2# material distributing and discharging device, a 3# material distributing and discharging device … … N-1# material distributing and discharging device and an N # material distributing and discharging device along the conveying direction.
The both sides of transfer chain 1 are equipped with the backplate of arranging along direction of delivery, play the effect of protecting the material of sending. The corresponding parts of the guard plate and the material distributing and discharging device 3 are provided with notches, and the notches are provided with movable baffles 12.
The specific structure of the material separating and discharging device 3 is as follows:
the material distributing and discharging device 3 comprises a movable rack 4 transversely crossing the conveying line, a driving material stirring mechanism is arranged on the movable rack 4, and the movable rack 4 is downwards connected with a lifting driving mechanism for driving the movable rack to move up and down.
The active material shifting mechanism comprises a material shifting belt 5 which is transversely arranged, and a material shifting toothed plate 50 is arranged on the working surface of the material shifting belt 5, so that materials do not slip on the material shifting belt, and the material grabbing and shifting efficiency of the material shifting belt is improved.
The material shifting belt 5 is driven by a driving roller arranged on the movable frame 4. The driving roller comprises a driving roller 51 and a driven roller 52, the driving roller 51 and the driven roller 52 are respectively arranged at two sides of the conveying line 1, the driving roller 51 is connected with a driving motor 13, and the driving motor 13 is also arranged on the movable rack 4.
The downward projection of the material shifting belt 5 is crossed with the conveying line 1, and the included angle α between the conveying direction of the material shifting belt 5 and the conveying direction of the conveying line is an obtuse angle, preferably 135 degrees.
In this embodiment, the width side of the material shifting belt 5 is provided with an integrated V-shaped belt 53, the V-shaped belt 53 protrudes towards the driving roller, the driving roller is provided with a V-shaped groove corresponding to the V-shaped belt 53, and the V-shaped belt 53 is embedded in the V-shaped groove, so that the combination of the flat belt and the V-shaped belt is realized, the material shifting belt has the dual effects of conveying the flat belt and the V-shaped driving belt, and the material shifting belt can be prevented from deviating.
The lifting driving mechanism comprises a lifting guide sliding rail 6 and a lifting cylinder 7 which are vertically arranged, and the lifting guide sliding rail 6 and the lifting cylinder 7 are both arranged on a fixed rack 8 which is lower than the conveying line 1 and are arranged at two sides of the conveying line 1 in parallel; the movable frame 4 is in sliding fit with the lifting guide slide rail 6, and the piston end of the lifting cylinder 7 is connected with the movable frame 4.
In this embodiment, the movable frame 4 includes a cross brace 41 located above and a supporting frame 42 located below and fixedly connected to the cross brace 41, and the two transverse ends of the supporting frame 42 and the corresponding portions of the cross brace 41 respectively form mounting portions for mounting the driving roller.
The bottom sides of the mounting parts are fixedly provided with limiting blocks 9, and the fixed rack 8 is provided with a bottom dead center positioning block 10 at a position corresponding to the limiting blocks 9; when the stopper 9 contacts with the lower dead point locating piece 10, the downside of dialling material belt 5 is parallel and level with transfer chain 1. As shown in fig. 2, the sub-discharging device is at the high point of the lifting stroke L.
In this embodiment, the two ends of the cross brace 41 of the movable frame 4 and the limiting block 9 are slidably connected to the corresponding lifting guide slide rails 6, and the piston end of the lifting cylinder 7 is connected to the two ends of the cross brace 41 of the movable frame 4.
In this embodiment, a material shifting belt tensioning mechanism is arranged between the driven roller 52 and the corresponding mounting portion, the material shifting belt tensioning mechanism includes a transverse long groove arranged at the transverse end portion of the support frame 42 and the cross brace 41, two axial ends of the driven roller 52 are respectively mounted in the corresponding transverse long grooves, one axial end of the driven roller 52 is connected with a transverse adjusting screw 11, the adjusting screw 11 penetrates through the transverse end portion of the support frame 42 and is connected with the axial end portion of the driven roller 52, and the transverse position of the driven roller 52 is adjusted by adjusting the position of the adjusting screw 11, so that price expansion adjustment of the material shifting belt 5 is realized.
The material distributing and discharging device is realized through the material distributing and discharging device, when conveyed materials touch the material shifting belt 5, the materials are immediately shifted into the material loading container 2 by the material shifting belt 5, passive material guiding (flow guiding) is changed into active material shifting, and the material distributing and discharging device has the characteristics of short material distributing and discharging area, wide material application range and the like.
The invention can actively divide and unload materials at multiple points at will, when the device works, the material is fed to the N # charging container in advance, the former dividing and unloading device of the N # can be lifted to the high point of the lifting stroke, the movable baffles corresponding to two sides of the conveying line of the former dividing and unloading device of the N # are closed, the movable baffle at the position of the N # dividing and unloading device is opened, the N # dividing and unloading device is controlled to fall to the lower dead point, the N # dividing and unloading device is started to operate, and the material can be fed to the N # charging container, and the material can be fed to other charging containers in the same way.
The invention can also carry out remote automatic control on each movable baffle, the material distributing and discharging device and the like through the control module, thereby realizing automatic operation.
The invention has the characteristics of reliable operation, small material dividing and discharging sections, high material dividing and discharging speed, wide material application range, multiple purposes of the belt conveyor and the like, saves equipment investment and reduces floor area.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "front", "rear", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those 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 and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

Claims (10)

1. The utility model provides an unloading system is divided to initiative stirring material formula, includes the transfer chain that is used for carrying the material, its characterized in that: the feeding containers which are arranged at intervals along the conveying direction are arranged beside the conveying line, and a material distributing and discharging device which guides the materials on the conveying line to the feeding containers is respectively arranged between the conveying line and the corresponding feeding containers;
the material distributing and discharging device comprises a movable rack transversely crossing the conveying line, an active material stirring mechanism is arranged on the movable rack, and the movable rack is downwards connected with a lifting driving mechanism for driving the movable rack to move up and down;
the active material shifting mechanism comprises a material shifting belt which is transversely arranged, the material shifting belt is driven by a driving roller which is arranged on the movable rack, and the downward projection of the material shifting belt and the conveying line are arranged in a cross mode.
2. The active kick-off type material distribution and discharge system of claim 1, wherein: and an included angle between the conveying direction of the material shifting belt and the conveying direction of the conveying line is an obtuse angle.
3. The active kick-off type material distribution and discharge system of claim 1, wherein: and the working surface of the material shifting belt is provided with a material shifting toothed plate.
4. The active kick-off type material distribution and discharge system of claim 1, wherein: the driving roller comprises a driving roller and a driven roller which are respectively arranged on two sides of the conveying line.
5. The active kick-off type material distribution and discharge system of claim 1, wherein: the width side of the material shifting belt is provided with an integrated V-shaped belt, the V-shaped belt protrudes towards the driving roller, a V-shaped groove corresponding to the V-shaped belt is formed in the driving roller, and the V-shaped belt is embedded in the V-shaped groove.
6. The active kick-off type material distribution and discharge system according to any one of claims 1 to 5, wherein: the lifting driving mechanism comprises a lifting guide sliding rail and a lifting cylinder which are vertically arranged, and the lifting guide sliding rail and the lifting cylinder are both arranged on a fixed rack which is lower than the conveying line; the movable frame is in sliding fit with the lifting guide sliding rail, and the piston end of the lifting cylinder is connected with the movable frame.
7. The active kick-off type material distribution and discharge system of claim 6, wherein: the movable rack comprises a cross brace positioned above and a support frame positioned below and fixedly connected with the cross brace, and installation parts for installing the driving roller are respectively formed at the two transverse ends of the support frame and the corresponding cross brace part.
8. The active kick-off type material distribution and discharge system of claim 7, wherein: the bottom sides of the mounting parts are fixedly provided with limiting blocks, and the fixed rack is provided with a bottom dead center positioning block at a position corresponding to the limiting blocks; when the stopper contacts with the lower dead center locating piece, the downside and the transfer chain parallel and level of dialling the material belt.
9. The active kick-off type material distribution and discharge system of claim 7, wherein: a material shifting belt tensioning mechanism is arranged between one of the driving rollers and the corresponding mounting part, the material shifting belt tensioning mechanism comprises a transverse long groove arranged at the transverse end part of the support frame and the transverse support part, the two axial ends of the driving roller are respectively mounted in the corresponding transverse long grooves, one axial end of the driving roller is connected with a transverse adjusting screw, and the adjusting screw penetrates through the transverse end part of the support frame and is connected with the axial end part of the driving roller.
10. The active kick-off type material distribution and discharge system of claim 1, wherein: the both sides of transfer chain are equipped with the backplate of arranging along direction of delivery, and the backplate corresponds the department with dividing discharge apparatus and is equipped with the breach, and breach department is equipped with adjustable fender.
CN201911139641.4A 2019-11-20 2019-11-20 Active material-stirring type material distributing and discharging system Active CN110844545B (en)

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Application Number Priority Date Filing Date Title
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CN110844545B CN110844545B (en) 2021-11-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113636271A (en) * 2021-08-18 2021-11-12 成都工贸职业技术学院 Logistics loading and unloading operation equipment based on intelligent rail transport device
CN113716992A (en) * 2021-09-18 2021-11-30 机科发展科技股份有限公司 Vertical material descending device for multilayer composting system
CN115231239A (en) * 2022-06-30 2022-10-25 安徽百特机电工程有限公司 Multipoint discharging type feeder

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KR20070064916A (en) * 2005-12-19 2007-06-22 주식회사 포스코 Brush turning device for a conveyor belt surface in a branding line
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CN205201655U (en) * 2015-10-22 2016-05-04 颍上县皖奇食品有限公司 Bean vermicelli cutting device
CN208199700U (en) * 2018-04-26 2018-12-07 福建省光辉东升食品有限公司 Fish ball distributing conveying machine structure

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Publication number Priority date Publication date Assignee Title
JPH09263325A (en) * 1996-03-27 1997-10-07 Sumitomo Metal Ind Ltd Mixed loading type conveyor facility and method for modifying conveyor facility
KR20070064916A (en) * 2005-12-19 2007-06-22 주식회사 포스코 Brush turning device for a conveyor belt surface in a branding line
CN201824208U (en) * 2010-09-19 2011-05-11 安徽金寨将军磁业有限公司 Dual-end surface automatic turning machine
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CN205201655U (en) * 2015-10-22 2016-05-04 颍上县皖奇食品有限公司 Bean vermicelli cutting device
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113636271A (en) * 2021-08-18 2021-11-12 成都工贸职业技术学院 Logistics loading and unloading operation equipment based on intelligent rail transport device
CN113636271B (en) * 2021-08-18 2023-01-13 成都工贸职业技术学院 Logistics loading and unloading operation equipment based on intelligent rail transport device
CN113716992A (en) * 2021-09-18 2021-11-30 机科发展科技股份有限公司 Vertical material descending device for multilayer composting system
CN113716992B (en) * 2021-09-18 2024-04-16 机科发展科技股份有限公司 Material vertical falling device for multilayer composting system
CN115231239A (en) * 2022-06-30 2022-10-25 安徽百特机电工程有限公司 Multipoint discharging type feeder
CN115231239B (en) * 2022-06-30 2024-01-16 安徽百特机电工程有限公司 Multi-point discharging type feeder

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