CN113718084A - Device and method for limiting height of materials in conveying groove - Google Patents
Device and method for limiting height of materials in conveying groove Download PDFInfo
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- CN113718084A CN113718084A CN202111044984.XA CN202111044984A CN113718084A CN 113718084 A CN113718084 A CN 113718084A CN 202111044984 A CN202111044984 A CN 202111044984A CN 113718084 A CN113718084 A CN 113718084A
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- 239000000463 material Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 99
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C2005/5288—Measuring or sampling devices
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a device and a method for limiting the height of materials in a conveying groove, and belongs to the field of material conveying. The limiting device comprises a conveying groove, a pressing unit, a driving unit and a detecting unit. The pressing unit is positioned at a set height, the height of the passing materials is restrained, the detection unit detects the state of the passing materials in the conveying groove in real time, and if few materials slightly exceed the set height, the materials do not exceed the set height when passing through the pressing unit through natural extrusion of the pressing unit; if more materials obviously exceed the set height or the jamming sign appears at the material pressing unit, the driving unit is started to drive the material pressing unit to press down the materials, so that the material height does not exceed the set height, and then the materials return to the set height. Avoids the phenomena of material blockage, blockage and the like from influencing normal production.
Description
Technical Field
The invention belongs to the field of material conveying, and relates to a device and a method for limiting the height of materials in a conveying groove.
Background
In the field of short-flow steelmaking of an electric arc furnace, a horizontal continuous feeding technology integrates the technologies of scrap steel preheating, flat molten pool smelting, foam slag submerged arc operation and the like, so that the production efficiency can be improved, and the energy consumption of molten steel can be reduced. The horizontal continuous feeding technology adopts a vibration groove to convey the scrap steel, and faults such as scrap steel blockage, blockage and the like frequently occur in the using process, so that the production continuity and reliability are influenced. The reason is that the scrap steel batching work is usually finished by a manually operated travelling crane, the height of a material layer in the conveying groove is completely controlled manually, and the height of the material layer sometimes exceeds the maximum allowable height, so that the material layer is blocked or blocked at a material inlet. When a fault occurs, manual material pressing or other processing is carried out, the efficiency is low, and the recovery time is long.
Disclosure of Invention
In view of this, the present invention provides a device and a method for limiting the height of a material in a conveying trough, which solve the problem that the height of the material layer in the conveying trough is completely controlled by a human, and sometimes exceeds the maximum allowable height, which causes jamming or blockage at a material inlet.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for limiting the height of materials in a conveying trough comprises the conveying trough, a pressing unit, a driving unit and a detecting unit; the material pressing unit is arranged right above the feeding port of the conveying groove and positioned at a set height or performs material pressing operation to enable materials in the conveying groove not to exceed the set height; the driving unit is connected with the material pressing unit and drives the material pressing unit to provide pressing power for the material pressing unit; the detection unit is arranged above the conveying groove and used for detecting the state of the materials in the conveying groove in real time.
Further, the device also comprises a control system which is in signal connection with the driving unit and the detection unit.
Further, the material pressing unit comprises more than one material pressing roller and a supporting arm, the axis of the material pressing roller is horizontally arranged and is vertical to the length direction of the conveying groove, the axial length of the material pressing roller does not exceed the width of the conveying groove, two ends of the material pressing roller are respectively connected with the supporting arm in a rotating mode, the material pressing roller freely rotates around the axis of the material pressing roller, and the material pressing roller and the supporting arm swing between the lowest material pressing position and the highest lifting position.
Further, the driving unit is an oil cylinder, and a piston rod of the oil cylinder is hinged with the pressing unit.
Further, the driving unit is provided with a pressure detection module.
Further, the detection unit is a non-contact contour detection sensor and adopts any one of a radar, a laser displacement sensor or an industrial camera.
Further, the pressing unit and the driving unit are mounted on the base.
A method for defining the height of materials in a conveying trough adopts the device for defining the height of the materials in the conveying trough, and comprises the following steps:
the pressing unit is positioned at a set height, the height of the passing materials is restrained, the detection unit detects the state of the passing materials in the conveying groove in real time, and if few materials slightly exceed the set height, the materials do not exceed the set height when passing through the pressing unit through natural extrusion of the pressing unit; if more materials obviously exceed the set height or the jamming sign appears at the material pressing unit, the driving unit is started to drive the material pressing unit to press down the materials, so that the material height does not exceed the set height, and then the materials return to the set height.
Further, the detection unit transmits the state of the materials in the conveying groove to the control system, the control system automatically sends out a command, the control driving unit drives the material pressing unit to execute material pressing operation, or the control system reminds an operator to start the driving unit, and then the material pressing unit is driven to execute material pressing operation.
Further, in the process of pressing the material by the material pressing unit, the pressure detection module of the driving unit detects the downward pressure of the driving unit in real time, and stops pressing the material and gives an alarm when the downward pressure exceeds a limit value, so that the safety of equipment is ensured.
The invention has the beneficial effects that:
the automatic material pressing device can automatically limit the height of materials in the conveying groove, the material pressing unit is positioned at a set height, a small amount of materials with height exceeding the difference are forced to change states when passing through the material pressing unit, and the materials pass through the material pressing unit when not exceeding the set height; the detection unit detects the material state at the material pressing unit in real time, and if the material is too high or the material pressing unit has a blockage sign below the material pressing unit, the driving unit acts, the material pressing unit presses downwards to enable the height of the material to be compressed or dispersed all around, and the material layer height can be ensured to smoothly pass through the feeding port of the conveying groove. The occurrence of shutdown accidents caused by serious blockage and blockage of the feeding port of the material is avoided, and the production continuity and stability are ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the general arrangement of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the connection between the pressing unit and the driving unit;
FIG. 4 is a schematic diagram of a material pressing operation;
fig. 5 is a schematic view of the material pressing unit located at the working position.
Reference numerals: the automatic feeding device comprises a conveying groove 1, a batching section 11, a preheating section 12, a feeding port 13, a pressing unit 2, a pressing roller 21, a supporting arm 22, a rotating center 210, a driving unit 3, a detection unit 4, a material 5 and a base 6.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, a device for limiting the height of a material 5 in a conveying trough 1 includes a conveying trough 1, a pressing unit 2, a driving unit 3, a detecting unit 4, and a control system in signal connection with the driving unit 3 and the detecting unit 4.
The conveying trough 11 is functionally divided into a batching section 11 and a preheating section 12, a feeding port 13 is arranged at the joint between the two sections, and materials 5 (such as scrap steel) are firstly added into the batching section 11 of the conveying trough 1, then enter the preheating section 12 through the feeding port 13 and finally enter an electric furnace (not shown in the figure) for smelting.
The material pressing unit 2 is arranged right above the feeding port 13 of the conveying groove 1 and is positioned at a set height or performs material pressing operation so that the material 5 in the conveying groove 1 does not exceed the set height. The nip unit 2 comprises nip rolls 21 and support arms 22, one nip roll 21 is provided, the axis of the nip roll 21 is horizontally arranged and is vertical to the length direction of the conveying groove 1, the axial length of the nip roll 21 is slightly smaller than the width of the conveying groove 1, two ends of the nip roll 21 are respectively rotatably connected with the support arms 22, the nip roll 21 freely rotates around the axis (the rotation center 210) thereof, and the nip roll 21 and the support arms 22 swing between the lowest nip position and the highest lifting position. The number of the material pressing rollers 21 can be multiple, and the material pressing rollers are arranged according to a spatial array, so that the material 5 height or material pressing effect can be better limited.
The driving unit 3 is an oil cylinder, a piston rod of the oil cylinder is hinged with the axial middle part of the material pressing roller 21, and the oil cylinder drives the material pressing unit 2 to provide pressing power for the material pressing unit 2. The drive unit 3 is provided with a pressure detection module.
The detection unit 4 is arranged above the conveying trough 1 and detects the state of the materials 5 in the conveying trough 1 in real time. The detection unit 4 is a non-contact contour detection sensor, and adopts any one of a radar, a laser displacement sensor or an industrial camera.
The cylinder body of the oil cylinder is fixed on the base 6, the supporting arm 22 is rotatably connected with the base 6, and the base 6 is correspondingly arranged at the feeding port 13 of the conveying groove 1.
The embodiment also provides a method for limiting the height of the material 5 in the conveying trough 1, and by adopting the limiting device, the method comprises the following steps:
the nip roll 21 is positioned at a set height, the height of the passing material 5 is restrained, the detection unit 4 detects the state of the material 5 passing through the nip roll 21 in the conveying groove 1 in real time and transmits the state to the control system, and if a small amount of the material 5 slightly exceeds the set height, the material 5 does not exceed the set height when passing through the nip roll 21 through natural extrusion of the nip roll 21; if more materials 5 obviously exceed the set height or the jamming sign appears at the position of the nip roll 21, the control system automatically sends a command to control the driving unit 3 to drive the nip roll 21 to execute the nip operation, or the control system reminds an operator to start the driving unit 3 to drive the nip roll 21 to execute the nip operation, so that the height of the materials 5 does not exceed the set height, and then the materials return to the set height. In the process of pressing the material by the material pressing unit 2, the pressure detection module of the driving unit 3 detects the downward pressure of the driving unit 3 in real time, and stops pressing the material and gives an alarm when the downward pressure exceeds the limit value, so that the safety of equipment is ensured.
The automatic height limiting device can automatically limit the height of the materials 5 in the conveying groove 1, the material pressing roller 21 is positioned at a set height, a small amount of materials 5 with height exceeding the set height are forced to change states when passing through the material pressing roller 21, and the materials pass through the material pressing roller when not exceeding the set height; the state of the material 5 at the material pressing unit 2 is detected in real time, if the material is too high or the driving unit 3 acts when the jamming is shown below the material pressing roller 21, the material pressing roller 21 presses down to compress the height of the material 5 or disperse the material to the periphery, and the material layer height can smoothly pass through the material inlet 13. The occurrence of shutdown accidents caused by serious blockage and blockage of the material feeding port 13 by the material 5 is avoided, and the production continuity and stability are ensured.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A device for limiting the height of materials in a conveying trough is characterized in that: the device comprises a conveying groove, a pressing unit, a driving unit and a detection unit; the material pressing unit is arranged right above the feeding port of the conveying groove and positioned at a set height or performs material pressing operation to enable materials in the conveying groove not to exceed the set height; the driving unit is connected with the material pressing unit and drives the material pressing unit to provide pressing power for the material pressing unit; the detection unit is arranged above the conveying groove and used for detecting the state of the materials in the conveying groove in real time.
2. A device for defining the level of material in a trough according to claim 1, wherein: the device also comprises a control system in signal connection with the driving unit and the detection unit.
3. A device for defining the level of material in a trough according to claim 1, wherein: the material pressing unit comprises more than one material pressing roller and a supporting arm, the axis of the material pressing roller is horizontally arranged and is vertical to the length direction of the conveying groove, the axial length of the material pressing roller does not exceed the width of the conveying groove, two ends of the material pressing roller are respectively connected with the supporting arm in a rotating mode, the material pressing roller freely rotates around the axis of the material pressing roller, and the material pressing roller and the supporting arm swing between the lowest material pressing position and the highest lifting position.
4. A device for defining the level of material in a trough according to claim 1, wherein: the driving unit is an oil cylinder, and a piston rod of the oil cylinder is hinged with the pressing unit.
5. A device for defining the level of material in a trough according to claim 1, wherein: the driving unit is provided with a pressure detection module.
6. A device for defining the level of material in a trough according to claim 1, wherein: the detection unit is a non-contact contour detection sensor and adopts any one of a radar, a laser displacement sensor or an industrial camera.
7. A device for defining the level of material in a trough according to claim 1, wherein: the pressing unit and the driving unit are installed on the base.
8. A method for limiting the height of materials in a conveying trough is characterized in that: the device for limiting the height of the materials in the conveying trough according to any one of claims 1 to 7 is adopted, and comprises the following steps:
the pressing unit is positioned at a set height, the height of the passing materials is restrained, the detection unit detects the state of the passing materials in the conveying groove in real time, and if few materials slightly exceed the set height, the materials do not exceed the set height when passing through the pressing unit through natural extrusion of the pressing unit; if more materials obviously exceed the set height or the jamming sign appears at the material pressing unit, the driving unit is started to drive the material pressing unit to press down the materials, so that the material height does not exceed the set height, and then the materials return to the set height.
9. A method of defining a level of material in a conveyor trough according to claim 8, characterized by: when the device for limiting the height of the material in the conveying chute as claimed in claim 2 is adopted, the detection unit transmits the state of the material in the conveying chute to the control system, the control system automatically sends out a command to control the driving unit to drive the material pressing unit to perform material pressing operation, or the control system reminds an operator to start the driving unit to drive the material pressing unit to perform material pressing operation.
10. A method of defining a level of material in a conveyor trough according to claim 8, characterized by: when the device for limiting the height of the materials in the conveying chute as claimed in claim 5 is adopted, the pressure detection module of the driving unit detects the downward pressure of the driving unit in real time in the pressing action process of the pressing unit, and stops the pressing action and gives an alarm when the downward pressure exceeds the limit value, so that the safety of equipment is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111044984.XA CN113718084A (en) | 2021-09-07 | 2021-09-07 | Device and method for limiting height of materials in conveying groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111044984.XA CN113718084A (en) | 2021-09-07 | 2021-09-07 | Device and method for limiting height of materials in conveying groove |
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| Publication Number | Publication Date |
|---|---|
| CN113718084A true CN113718084A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111044984.XA Pending CN113718084A (en) | 2021-09-07 | 2021-09-07 | Device and method for limiting height of materials in conveying groove |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931643A1 (en) * | 1998-01-26 | 1999-07-28 | LELY WELGER Maschinenfabrik GmbH | Baling press, in particular for cardboard waste, paper foils and the like |
| CN110282386A (en) * | 2019-07-15 | 2019-09-27 | 武汉摩林翰机电设备有限公司 | Belt conveyor bulk material detection device and its control method |
| DE102018111120A1 (en) * | 2018-05-09 | 2019-11-14 | J. Wagner Gmbh | Method for operating a conveying device and conveying device |
| CN111731784A (en) * | 2020-05-28 | 2020-10-02 | 杭州杭氧填料有限公司 | Automatic detection, transferring, overturning and stacking device for ultrathin strip-shaped pore plate corrugated plate and using method |
| CN212988027U (en) * | 2020-09-04 | 2021-04-16 | 河南太行全利重工股份有限公司 | Material pressing mechanism for scrap steel feeding |
-
2021
- 2021-09-07 CN CN202111044984.XA patent/CN113718084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931643A1 (en) * | 1998-01-26 | 1999-07-28 | LELY WELGER Maschinenfabrik GmbH | Baling press, in particular for cardboard waste, paper foils and the like |
| DE102018111120A1 (en) * | 2018-05-09 | 2019-11-14 | J. Wagner Gmbh | Method for operating a conveying device and conveying device |
| CN110282386A (en) * | 2019-07-15 | 2019-09-27 | 武汉摩林翰机电设备有限公司 | Belt conveyor bulk material detection device and its control method |
| CN111731784A (en) * | 2020-05-28 | 2020-10-02 | 杭州杭氧填料有限公司 | Automatic detection, transferring, overturning and stacking device for ultrathin strip-shaped pore plate corrugated plate and using method |
| CN212988027U (en) * | 2020-09-04 | 2021-04-16 | 河南太行全利重工股份有限公司 | Material pressing mechanism for scrap steel feeding |
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Application publication date: 20211130 |