KR20160112428A - Apparatus for controlling swerving of conveyer belt and method thereof - Google Patents

Apparatus for controlling swerving of conveyer belt and method thereof Download PDF

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Publication number
KR20160112428A
KR20160112428A KR1020150038148A KR20150038148A KR20160112428A KR 20160112428 A KR20160112428 A KR 20160112428A KR 1020150038148 A KR1020150038148 A KR 1020150038148A KR 20150038148 A KR20150038148 A KR 20150038148A KR 20160112428 A KR20160112428 A KR 20160112428A
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KR
South Korea
Prior art keywords
conveyor belt
sensor
cylinder
sensing signal
sensing
Prior art date
Application number
KR1020150038148A
Other languages
Korean (ko)
Inventor
이호상
Original Assignee
이호상
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Publication date
Application filed by 이호상 filed Critical 이호상
Priority to KR1020150038148A priority Critical patent/KR20160112428A/en
Publication of KR20160112428A publication Critical patent/KR20160112428A/en

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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
    • B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
    • 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
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • 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
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02—Control or detection
    • B65G2203/0266—Control or detection relating to the load carrier(s)
    • B65G2203/0283—Position of the load carrier
    • 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
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Control Of Conveyors (AREA)

Abstract

The present invention relates to a diagonal travel adjusting device for a conveyor belt, capable of adjusting diagonal travel of a conveyor belt in a simple structure and a simple method. The diagonal travel adjusting device for a conveyor belt includes: a conveyor belt (10); a pulley (20) rotating by the conveyor belt (10), wherein a first hinge unit (22) is formed on one side of a hinge shaft (21) of the pulley (20) using a fixing unit (S), and a second hinge unit (23) connected to a rod (31) of a cylinder (30) is formed on the other side of the hinge shaft (21); a first sensor (41) sensing a tilt when the conveyor belt (10) approaches within a predetermined distance while being tilted to the right; a second sensor (42) sensing the tilt when the conveyor belt approaches within the predetermined distance while being tilted to the left; and a control unit (50) outputting a command of moving a cylinder (30) forward when a sensing signal is input by the first sensor (41) and performing driving output for a short fixed time, wherein the control unit (50) outputs a command of moving the cylinder (30) backward when the sensing signal is input by the second sensor (42) and performs the driving output for the short fixed time.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a conveyor belt conveyor belt,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for adjusting the traveling of a conveyor belt, and more particularly, to a device for adjusting a traveling direction of a conveyor belt by a simple structure and method.

A number of techniques for preventing the conveyor belt from being skewed have been proposed.

Open Utility Model Publication No. 20-1998-43863 discloses a conveyor belt that smoothly adjusts the conveyor belt even when the conveyor belt advances in the forward direction as well as in the reverse direction. The conveyor belt is coupled to the upper portion of the base with a hinge on one side, A support plate provided with a roller, a bracket installed on one side of the base and adapted to move a support roller, and a guide roller protruding from one side of the support plate.

In addition, Japanese Patent Application Laid-Open No. 10-2001-0097746 discloses a conveyor which can easily adjust conveying of a conveyor in accordance with the conveying direction of the belt conveyor, that is, the forward or reverse conveyance, The present invention relates to a meander control device for a belt conveyor, which comprises a support block vertically and integrally coupled to both ends of a rotary block, a rotary member rotatably installed on the support block, a belt conveyor upper press roll installed between the rotary members, And a plurality of side guide rolls provided so as to face the rotating member.

The present applicant has accomplished the present invention which can be realized by a very simple structure and method while studying a product for preventing and correcting the meandering of the conveyor belt.

Published Utility Model Publication No. 20-1998-43863, Published Patent Application No. 10-2001-0097746

SUMMARY OF THE INVENTION It is an object of the present invention to provide a meandering device for a conveyor belt which can correct the meandering of the conveyor belt by a very simple structure and method.

According to another aspect of the present invention, there is provided a conveyor belt comprising: a conveyor belt; and a pulley rotatably driven by the conveyor belt, wherein a first hinge portion is formed at one side of the hinge axis of the pulley through a fixing portion, A second hinge portion connected to the rod of the cylinder is formed; A first sensor that senses when the conveyor belt is tilted to the right and approaches within a predetermined distance; A second sensor that senses when the conveyor belt is inclined to the left and approaches within a predetermined distance; And outputting a forward command of the cylinder when the sensing signal is input from the first sensor, performing a driving output for a very short period of time, outputting a backward command of the cylinder when the sensing signal is input from the second sensor, And a controller for performing driving output for a predetermined time.

As described above, the present invention provides an advantage that the conveyor belt can be straightened by a very simple structure and method, and the production cost can be reduced.

Brief Description of Drawings Fig. 1 is a structural view of a meander adjusting device for a conveyor belt according to the present invention,
Figs. 2A and 2B are diagrams for explaining the skew adjustment of the conveyor belt of the present invention,
3 is a control block diagram of a conveyor belt meandering device according to the present invention,
4 is a control flow chart of a meander adjusting device of a conveyor belt according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a configuration diagram of a meander adjusting device of a conveyor belt according to the present invention; Fig.

As shown in the drawing, the meandering adjustment device of the conveyor belt of the present invention comprises:

A conveyor belt 10 and a pulley 20 rotatably driven by the conveyor belt 10. The pulley 20 has a first hinge shaft 21 and a second hinge shaft 21, And a second hinge part 23 connected to the rod 31 of the cylinder 30 is formed on the other side of the hinge shaft 21. [

The cylinder 30 moves the hinge shaft 21 in an upward and downward direction about the first hinge portion 22 through the second hinge portion 23 by the forward and backward movements of the rod 23, The pulley 20 is also moved.

A first sensor 41 and a second sensor 42 are installed on the left and right sides of the conveyor belt 10 at a predetermined distance d and the sensors are proximity sensors for sensing an object within a certain distance The conveyor belt 10 senses the conveyor belt 10 approaching the conveyor belt 10 in the meander direction.

The first sensor 41 and the second sensor 42 do not sense any when the conveyor belt 10 is in a normal orbit conveying operation.

However, when the conveyor belt 10 is meandering and the conveyor belt 10 is inclined to the right as shown in FIG. 2A and positioned within the sensing range of the first sensor 41, the first sensor 41 senses the sensing signal Occurs.

Similarly, when the conveyor belt 10 is tilted to the left as shown in FIG. 2B and positioned within the sensing range of the second sensor 42, the second sensor 42 generates a sensing signal.

The cylinder 30 moves the rod 31 back and forth to change the position of the rotary roller 21 so as to correct the skew of the conveyor belt 10, It corrects the direction.

3 is a control block diagram of a meander control device of the conveyor belt of the present invention.

As shown in the drawing, the meandering adjustment device of the conveyor belt of the present invention includes a first sensor 41, a second sensor portion 42, a control portion 50, a hydraulic drive portion 60, and a cylinder 30 do.

When the conveyor belt 10 is inclined to the right and approaches within a predetermined distance, the first sensor 41 senses the conveyor belt 10 and transmits the sensed result to the controller 50.

When the conveyor belt 10 is inclined to the left and approaches within a predetermined distance, the second sensor 42 senses the conveyor belt 10 and transmits it to the controller 50.

The control unit 50 outputs an output control signal for driving the cylinder 30 forward and backward to the hydraulic drive unit 60 when a sensing signal is input through the first sensor 41 and the second sensor 42 .

The control unit 50 recognizes that the conveyor belt 10 is a rightward slanting signal when the sensing signal is inputted from the first sensor 41 and outputs a forward command of the cylinder 30 to the hydraulic driving unit 60 However, the driving output is performed for a very short period of time.

When the sensing signal is inputted from the second sensor 42, the control unit 50 recognizes that the conveyor belt 10 is a slanting signal leaning to the left and instructs the hydraulic driving unit 60 to execute a reverse command of the cylinder 30 And performs driving output for a very short period of time.

Here, a very short period of time is preferably 0.5 seconds, but is not limited thereto.

The hydraulic drive unit 60 drives the cylinder 30 forward and backward under the control of the output of the control unit 50 so that the pulley 20 is moved forward and backward of the cylinder rod 31 to correct meandering.

The overall operation of the present invention thus constructed will be described with reference to the control flow chart of Fig.

First, when the conveyor belt 10 is operated, the control unit 50 determines whether a detection signal is input through the first sensor 41. (S11)

If a sensing signal is input from the first sensor 41 in the determination step S11, the controller 30 outputs a command to advance the cylinder 30 to the hydraulic controller 60 so that the controller 30 operates for 0.5 seconds (S12)

Thus, the cylinder 30 advances the rod 31 for 0.5 seconds as shown in FIG. 2A.

At this time, the distance to which the rod advances is about 5 mm.

As the right side of the pulley 20 moves upwards in conjunction with the advancement of the rod 31, the conveyor belt 10 shifted to the right side is gradually transferred to the left side.

When the operation (S12) is completed, the controller 50 stops driving the cylinder 30 for a predetermined time (e.g., 3 seconds) (S13)

When the driving stopping step S13 is completed, it is determined whether a sensing signal is inputted again through the first sensor 41. (S14)

The reason for having such a pause time is to give a time for the conveyor belt 10 to move.

If the sensing signal is input in the determining step S14, the conveyor belt 10 is still in the sensing range of the first sensor 41. This recognizes that the conveyor belt 10 is tilted to the right, S12 and S13 are repeated.

However, if the sensing signal of the first sensor 41 is not inputted or the sensing signal of the first sensor 41 is not input in the step S11, (S15). ≪ RTI ID = 0.0 >

If the sensing signal is not inputted from the second sensor 42 in the determining step S15, the conveyor belt 10 is in a normal state orbit that is outside the detection range of the first sensor 41 and the second sensor 42 And stops the operation of the cylinder 30. (S16)

However, when the sensing signal is inputted from the second sensor 42 in the determination step S15, the hydraulic driving unit 60 outputs the backward command to the hydraulic motor 60 so that it operates for 0.5 seconds (S17)

Thus, the cylinder 30 moves back the rod 31 for 0.5 seconds as shown in FIG. 2B.

At this time, the distance to which the rod advances is about 5 mm.

The right side of the pulley 20 is moved downward in conjunction with the backward movement of the rod 31 and the conveyor belt 10 shifted to the left side is gradually transferred to the right side.

When the operation (S17) is completed, the controller 50 stops driving the cylinder 30 for a predetermined time (e.g., 3 seconds) (S18)

When the driving stopping step S18 is completed, it is determined whether a sensing signal is inputted again through the second sensor 42. (S19)

If the sensing signal is input in the determining step S19, the conveyor belt 10 is still in the sensing range of the second sensor 42. This recognizes that the conveyor belt 10 is tilted to the left, Step S17 and step S18 are repeated.

However, if the sensing signal of the second sensor 42 is not input in the determination step S19, the control unit 40 proceeds to step S11 to determine whether the first sensor 41 is sensed, and sequentially performs program control.

Here, the cylinder stop for 3 seconds in the steps S13 and S18 is intended to allow a time for the conveyor belt 10 to be corrected.

10: Conveyor belt 20: Pulley
21: hinge shaft 22: first hinge part
23: second hinge portion 30: cylinder
31: load 41: first sensor
42: second sensor 50:
60: Hydraulic drive

Claims (1)

A conveyor belt (10), and a pulley (20) rotationally driven by said conveyor belt (10)
A first hinge portion 22 is formed on one side of the hinge shaft 21 of the pulley 20 through a fixing portion S and a second hinge portion 22 is formed on the other side of the hinge shaft 21 on the rod 31 of the cylinder 30 A second hinge portion 23 to be connected is formed;
A first sensor 41 for sensing when the conveyor belt 10 is tilted to the right and within a predetermined distance;
A second sensor (42) for sensing when the conveyor belt (10) is tilted to the left and approaches within a certain distance; And
When a sensing signal is inputted from the first sensor 41, a command for advancing the cylinder 30 is outputted and a driving output is performed for a very short period of time. When a sensing signal is inputted from the second sensor 42, And a control unit (50) for outputting a reverse command of the conveyor belt (30) and performing driving output for a very short period of time.
KR1020150038148A 2015-03-19 2015-03-19 Apparatus for controlling swerving of conveyer belt and method thereof KR20160112428A (en)

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KR1020150038148A KR20160112428A (en) 2015-03-19 2015-03-19 Apparatus for controlling swerving of conveyer belt and method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180002926U (en) * 2017-04-03 2018-10-12 주식회사 엘지화학 Electrode Lamination Device Comprising Feeding Conveyor
KR101980616B1 (en) * 2018-09-13 2019-05-21 주식회사 한국가스기술공사 Cargo conveying conveyor device for ship
CN112249601A (en) * 2020-09-29 2021-01-22 焦作大学 Belt conveyor deviation-rectifying cleaning robot and deviation-rectifying method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980043863U (en) 1996-12-26 1998-09-25 김종진 Conveyor belt meandering device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980043863U (en) 1996-12-26 1998-09-25 김종진 Conveyor belt meandering device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180002926U (en) * 2017-04-03 2018-10-12 주식회사 엘지화학 Electrode Lamination Device Comprising Feeding Conveyor
KR101980616B1 (en) * 2018-09-13 2019-05-21 주식회사 한국가스기술공사 Cargo conveying conveyor device for ship
CN112249601A (en) * 2020-09-29 2021-01-22 焦作大学 Belt conveyor deviation-rectifying cleaning robot and deviation-rectifying method

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