CN117102279A - Steel strip leveling bridge guide device and conveying control method - Google Patents

Steel strip leveling bridge guide device and conveying control method Download PDF

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Publication number
CN117102279A
CN117102279A CN202311298806.9A CN202311298806A CN117102279A CN 117102279 A CN117102279 A CN 117102279A CN 202311298806 A CN202311298806 A CN 202311298806A CN 117102279 A CN117102279 A CN 117102279A
Authority
CN
China
Prior art keywords
bridge
section
opposite
photoelectric sensor
leveling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311298806.9A
Other languages
Chinese (zh)
Inventor
朱德勇
高海燕
朱德龙
刘昌安
蔡文雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Higers Automation Technology Co ltd
Original Assignee
Qingdao Higers Automation Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Higers Automation Technology Co ltd filed Critical Qingdao Higers Automation Technology Co ltd
Priority to CN202311298806.9A priority Critical patent/CN117102279A/en
Publication of CN117102279A publication Critical patent/CN117102279A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/021Control or correction devices in association with moving strips
    • B21D43/023Centering devices, e.g. edge guiding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

The invention relates to the technical field of plate leveling, and provides a steel strip leveling bridge guide device and a conveying control method. The bridge B section is provided with a layer of ribs, so that the contact area between the steel belt and the bridge B section is reduced, the resistance of the steel belt when the steel belt climbs in the B section is reduced, the steel belt climbs upwards due to the transition guide plate when the steel belt enters the bridge C section, and the steel belt can be tilted upwards when the steel belt is positioned in the bridge C section, and is pressed down by the baffle plate in the process to smoothly enter the punch. The invention is provided with a plurality of opposite-jet photoelectric sensors, and can detect whether the speed of the steel belt entering the punch is proper or not, if not, the production takt can be changed, so that the feeding speed area is stable.

Description

Steel strip leveling bridge guide device and conveying control method
Technical Field
The invention relates to the technical field of plate leveling, in particular to a steel strip leveling bridge guide device and a conveying control method.
Background
For their convenience in transportation, steel products are typically manufactured into steel strips and wound into rolls for storage, which results in them having a variety of original curvatures. In the process of treating such steel strip, a multi-roll leveling and pressurizing method is generally adopted to generate alternating bending deformation so as to eliminate the non-uniformity of the original curvature, and then leveling is carried out step by step.
After leveling, the steel belt enters a punch to be punched, a guide device is required to be arranged in the process of moving the steel belt from a leveling machine to the punch, and in the process of moving the steel belt, the situation that the steel belt is piled up or conveyed too slowly to influence the processing efficiency frequently occurs due to mismatching of the action rates of the leveling machine and the punch, so that a bridge guide device is required to be designed in a targeted manner, the occurrence of the situation is reduced, and meanwhile, the potential safety hazard is reduced.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a steel strip leveling bridge guide device, which comprises a bridge A section, a bridge B section and a bridge C section, wherein:
the bridge-crossing section A and the bridge-crossing section C have the same structure, and are symmetrically arranged on two sides of the bridge-crossing section B;
the bridge-crossing section A and the bridge-crossing section C have cambered surface structures;
the bridge B section consists of inclined structures at two sides and a plane structure in the middle;
the cambered surface structure of the bridge crossing section A and the cambered surface structure of the bridge crossing section C are respectively connected with the bridge crossing section B by inclined surface structures at two sides;
the inclined plane structure of the bridge B section and the plane structure form an obtuse angle.
In the preferred scheme, a limited narrow column is arranged on the plane structure of the gap bridge B, and the limited narrow column consists of two upright columns with the distance larger than the width of the steel belt.
In the preferred scheme, a baffle for limiting the height is arranged above the gap bridge section C.
In the preferred scheme, a transition guide plate is arranged at the joint of the cambered surface structure of the bridge passing section C and the inclined surface structure of the bridge passing section B.
In the preferred scheme, the middle part of the bridge B section is provided with ribs.
In the preferred scheme, the inclined plane structures on two sides of the bridge B section are provided with strip-shaped holes along the steel strip conveying direction.
In the preferred scheme, a first correlation photoelectric sensor is arranged below the inclined plane structures at two sides of the bridge B section; the two first correlation photoelectric sensors are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes to reach the receiving end.
In the preferred scheme, a second correlation photoelectric sensor which is higher than the first correlation photoelectric sensor is arranged below the inclined plane structures on two sides of the gap bridge section B; the two second correlation photoelectric sensors are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes to reach the receiving end.
In the preferable scheme, the cambered surface structure of the bridge crossing section A and the cambered surface structure of the bridge crossing section C are provided with strip-shaped holes along the steel strip transmission direction; a third opposite-emission photoelectric sensor is arranged below the cambered surface structure of the bridge A section and below the cambered surface structure of the bridge C section; the mounting heights of the two third opposite-emission photoelectric sensors are consistent; the two first opposite-emission photoelectric sensors are respectively an emitting end and a receiving end, and light rays emitted by the emitting end penetrate through the strip-shaped holes to reach the receiving end.
A steel belt bridge conveying control method of a leveler is carried out according to the following steps:
s1, installing a steel strip leveling bridge guide device between a leveling machine and a punch press, wherein the leveling machine is provided with a feeding roller, a leveling roller and a discharging roller, the front end of the feeding roller is provided with an uncoiler, the rear end of the discharging roller is provided with a bridge A section, steel strip enters the leveling machine from the feeding roller after being uncoiled by the uncoiler, is leveled by the leveling roller, is conveyed to the steel strip leveling bridge guide device by the discharging roller, and respectively passes through the bridge A section, the bridge B section and the bridge C section, and then enters the punch press to be punched, and then is pulled by a traction mechanism to continuously travel;
s2, a fourth opposite-injection photoelectric sensor is arranged behind the discharging roller of the leveling machine, the fourth opposite-injection photoelectric sensor comprises a transmitting end and a receiving end which are respectively arranged on two sides of the steel belt, and when signals of the fourth opposite-injection photoelectric sensor are interrupted, the uncoiler, the leveling machine and the punching machine work normally; when the signal of the fourth opposite-injection photoelectric sensor is connected, the uncoiler, the leveler and the punch press stop running;
s3, opening a third opposite-shooting type photoelectric sensor, a second opposite-shooting type photoelectric sensor and a first opposite-shooting type photoelectric sensor, and when signals of the third opposite-shooting type photoelectric sensor, the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all connected, normally operating the uncoiler, the leveler and the punch;
s4, when the signals of the third opposite-shooting type photoelectric sensor are interrupted, starting arc suspension abnormality early warning when the signals of the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all connected, setting a time threshold value xi, and accelerating the feeding speed of the punch press until the state of S3 is restored when the duration exceeds xi;
s5, when signals of the third opposite-shooting type photoelectric sensor and the second opposite-shooting type photoelectric sensor are interrupted, starting an acceleration state when signals of the first opposite-shooting type photoelectric sensor are all connected, accelerating the feeding speed of a punching machine, reducing the discharging speed of an uncoiler and a leveler, and recovering to the state of S3;
and S6, when the signals of the third opposite-shooting type photoelectric sensor, the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all interrupted, stopping the operation of the uncoiler, the leveler and the punch, overhauling, and resetting the operation rates of the uncoiler, the leveler and the punch until the state of S3 is restored.
The beneficial effects of the invention are as follows:
the first, the invention has set up the bridge A section, bridge B section, bridge C section, the steel band is along the bridge A section and slipped down after the straightening machine levels, because the straightening machine is in the working condition all the time in this process, the steel band will creep forward further at this moment, the steel band will have a natural sagging to reach bridge B section, then reach the narrow post of limit, this device can limit the movable range of the steel band, make the steel band move in the range that can be detected by the photoelectric sensing device all the time.
The second, gap bridge section B has one deck rib, reduces the area of contact of steel band and gap bridge section B to reduce the resistance of steel band when section B climbs, have the transition baffle to make the steel band upwards climb when the steel band gets into gap bridge C, and the steel band will upwarp this in-process by the baffle with the steel band down make it get into the punch press smoothly when the steel band is in gap bridge C.
Thirdly, the invention is provided with a plurality of correlation photoelectric sensors, which can detect whether the speed of the steel belt entering the punch is proper or not, if not, the production takt can be changed, so that the feeding speed area is stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the left side view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 in use;
FIG. 4 is a schematic view of the correlation light and the arc of the steel strip of FIG. 3;
fig. 5 is an enlarged schematic view of the partial structure of fig. 4.
Reference numerals in the drawings:
1. a bridge crossing section A; 2. a steel strip; 3. a narrow limiting column; 4. a bridge C section; 5. a baffle; 6. a bridge crossing section B; 7. a first correlation type photoelectric sensor; 8. a second correlation type photoelectric sensor; 9. a third correlation type photoelectric sensor; 10. a leveler; 101. a feeding roller; 102. a leveling roller; 103. a discharge roller; 104. a fourth correlation type photoelectric sensor; 11. punching machine; 12. a transition guide plate; 13. ribs; 14. a bar-shaped hole; 15. an uncoiler; 16. and (5) punching.
Detailed Description
In order to facilitate understanding of the invention by those skilled in the art, a specific embodiment of the invention is described below with reference to the accompanying drawings.
Referring to fig. 1-5, a steel strip leveling bridge guide device comprises a bridge a section 1, a bridge B section 6 and a bridge C section 4, wherein: the bridge-crossing section A1 and the bridge-crossing section C4 have the same structure, and the bridge-crossing section A1 and the bridge-crossing section C4 are symmetrically arranged at two sides of the bridge-crossing section B6; the bridge-crossing section A1 and the bridge-crossing section C4 have cambered surface structures; the bridge B section 6 consists of inclined structures at two sides and a plane structure in the middle; the cambered surface structure of the bridge-crossing section A1 and the cambered surface structure of the bridge-crossing section C4 are respectively connected with the bridge-crossing section B6 by inclined surface structures at two sides. The inclined plane structure of the bridge B section 6 and the plane structure form an obtuse angle.
The plane structure of the bridge B is provided with a limited narrow column 3, and the limited narrow column 3 consists of two upright columns with the distance larger than the width of the steel belt 2. The steel belt 2 slides downwards along the bridge A section 1 after being leveled by the leveler, and the steel belt 2 is further crawled forwards at the moment because the leveler is always in a working state in the process, the steel belt 2 reaches the bridge B section 6 and has a natural sagging, and then reaches the narrow limiting column 3, and the device can limit the moving range of the steel belt 2, so that the steel belt 2 can move within the range which can be detected by the photoelectric sensing device all the time.
A baffle 5 for limiting the height is arranged above the bridge C section 4. The junction of the cambered surface structure of the bridge C section 4 and the inclined surface structure of the bridge B section 6 is provided with a transition guide plate 12. The middle part of the bridge-crossing section B6 is provided with ribs 13, so that the contact area between the steel belt 2 and the bridge-crossing section B6 is reduced, the resistance of the steel belt 2 when the bridge-crossing section B climbs is reduced, the transition guide plate 12 is arranged when the steel belt 2 enters the bridge-crossing section C4 to enable the steel belt 2 to climb upwards, and the steel belt 2 can tilt upwards when the steel belt 2 is positioned in the bridge-crossing section C4, and the baffle plate 5 presses the steel belt 2 down to enable the steel belt 2 to smoothly enter the punch 16.
The invention is provided with a plurality of opposite-jet photoelectric sensors, can detect whether the speed of the steel belt 2 entering the punch 16 is proper or not, if not, the production takt can be changed, so that the feeding speed area is stable, and specifically comprises the following steps: the inclined structures on the two sides of the bridge B section 6 are provided with strip-shaped holes 14 along the transmission direction of the steel strip 2.
A first correlation photoelectric sensor 7 is arranged below the inclined plane structures at the two sides of the bridge B section 6; the two first opposite-emission photoelectric sensors 7 are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes 14 to reach the receiving end.
A second opposite-shooting type photoelectric sensor 8 which is higher than the first opposite-shooting type photoelectric sensor 7 is arranged below the inclined plane structures on two sides of the bridge B section 6; the two second opposite-emission photoelectric sensors 8 are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes 14 to reach the receiving end.
The cambered surface structure of the bridge A section 1 and the cambered surface structure of the bridge C section are respectively provided with a strip-shaped hole 14 along the transmission direction of the steel strip 2; a third correlation photoelectric sensor 9 is arranged below the cambered surface structure of the bridge A section 1 and below the cambered surface structure of the bridge C section; the mounting heights of the two third opposite-emission photoelectric sensors 9 are consistent; the two first opposite-emission photoelectric sensors 7 are respectively an emitting end and a receiving end, and light rays emitted by the emitting end penetrate through the strip-shaped holes 14 to reach the receiving end.
In the aspect of height arrangement, the distance between the first correlation photoelectric sensor 7 and the highest point of the cambered surface structure of the gap bridge A section 1 is about 50 cm; the distance between the second correlation photoelectric sensor 8 and the highest point of the cambered surface structure of the gap bridge A section 1 is about 30 cm; the distance between the third correlation photoelectric sensor 9 and the highest point of the cambered surface structure of the gap bridge A section 1 is about 15 cm.
If the signal transmitted by the transmitting end of the correlation photoelectric sensor is blocked by the steel belt, the receiving end can not receive the signal, and if the signal is not blocked, the receiving end can receive the signal, so that the sagging degree of the steel belt in the bridge B section can be judged.
When the steel strip leveling machine is used, S1, a steel strip 2 leveling bridge guide device is arranged between a leveling machine 10 and a punch 16, the leveling machine 10 is provided with a feeding roller 101, a leveling roller 102 and a discharging roller 103, the front end of the feeding roller 101 is provided with an uncoiler 15, the rear end of the discharging roller 103 is provided with a bridge A section 1, the steel strip 2 enters the leveling machine 10 through the feeding roller 101 after being uncoiled by the uncoiler 15, is conveyed to the steel strip 2 leveling bridge guide device through the discharging roller 103 after being leveled by the leveling roller 102, and respectively enters the punch 16 to continuously travel after being stamped by a traction mechanism after passing through the bridge A section 1, the bridge B section 6 and the bridge C section 4;
s2, a fourth opposite-jet photoelectric sensor 104 is arranged behind a discharging roller 103 of the leveling machine 10, the fourth opposite-jet photoelectric sensor 104 comprises a transmitting end and a receiving end which are respectively arranged on two sides of the steel belt 2, and when signals of the fourth opposite-jet photoelectric sensor 104 are interrupted, the uncoiler 15, the leveling machine 10 and the punching machine 16 work normally; when the signal of the fourth correlation photoelectric sensor 104 is on, the uncoiler 15, the leveler 10 and the punch 16 stop running;
s3, a third opposite-shooting type photoelectric sensor 9, a second opposite-shooting type photoelectric sensor 8 and a first opposite-shooting type photoelectric sensor 7 are opened, and when signals of the third opposite-shooting type photoelectric sensor 9, the second opposite-shooting type photoelectric sensor 8 and the first opposite-shooting type photoelectric sensor 7 are all connected, the uncoiler 15, the leveler 10 and the punch 16 work normally;
s4, when signals of the third correlation type photoelectric sensor 9 are interrupted, when signals of the second correlation type photoelectric sensor 8 and the first correlation type photoelectric sensor 7 are all connected, starting arc suspension abnormality early warning, setting a time threshold value xi, and when the duration exceeds xi, accelerating the feeding speed of the punch 16 until the state is restored to S3;
s5, when signals of the third opposite-jet photoelectric sensor 9 and the second opposite-jet photoelectric sensor 8 are interrupted, and signals of the first opposite-jet photoelectric sensor 7 are all connected, starting an acceleration state, accelerating the feeding speed of the punch 16, reducing the discharging speeds of the uncoiler 15 and the leveler 10 until the state is restored to S3;
and S6, when the signals of the third correlation type photoelectric sensor 9, the second correlation type photoelectric sensor 8 and the first correlation type photoelectric sensor 7 are interrupted, the uncoiler 15, the leveler 10 and the punch 16 stop running, and the running speeds of the uncoiler 15, the leveler 10 and the punch 16 are overhauled and reset until the state of S3 is restored.
According to the invention, whether the speed of the steel belt 2 entering the punch 16 is proper or whether the steel belt needs to be stopped is detected through a plurality of opposite-jet photoelectric sensors, if not, the production takt can be changed, so that the feeding speed area is stable; if the potential safety hazard is found, stopping the machine to readjust the operation parameters, so that the safety accident is avoided.
The above embodiments of the present invention do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention as set forth in the appended claims.

Claims (10)

1. The steel strip leveling bridge-crossing guiding device is characterized by comprising a bridge-crossing section A, a bridge-crossing section B and a bridge-crossing section C, wherein:
the bridge-crossing section A and the bridge-crossing section C have the same structure, and are symmetrically arranged on two sides of the bridge-crossing section B;
the bridge-crossing section A and the bridge-crossing section C have cambered surface structures;
the bridge B section consists of inclined structures at two sides and a plane structure in the middle;
the cambered surface structure of the bridge crossing section A and the cambered surface structure of the bridge crossing section C are respectively connected with the bridge crossing section B by inclined surface structures at two sides;
the inclined plane structure of the bridge B section and the plane structure form an obtuse angle.
2. A steel strip leveling bridge guide as defined in claim 1, wherein: the plane structure of the bridge B is provided with a limited narrow column, and the limited narrow column consists of two upright columns with the distance larger than the width of the steel belt.
3. A steel strip leveling bridge guide as defined in claim 1, wherein: a baffle plate for limiting the height is arranged above the bridge C section.
4. A steel strip leveling bridge guide as defined in claim 1, wherein: the junction of the cambered surface structure of the bridge C section and the inclined plane structure of the bridge B section is provided with a transition guide plate.
5. A steel strip leveling bridge guide as defined in claim 1, wherein: the middle part of the bridge B section is provided with ribs.
6. A steel strip leveling bridge guide as defined in claim 1, wherein: the inclined plane structures on two sides of the bridge B section are provided with strip-shaped holes along the steel strip transmission direction.
7. A steel strip leveling bridge guide as defined in claim 6, wherein: a first correlation photoelectric sensor is arranged below the inclined plane structures at the two sides of the bridge B section; the two first correlation photoelectric sensors are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes to reach the receiving end.
8. A steel strip leveling bridge guide as defined in claim 7, wherein: a second opposite-type photoelectric sensor which is higher than the first opposite-type photoelectric sensor is arranged below the inclined plane structures on two sides of the bridge B section; the two second correlation photoelectric sensors are respectively a transmitting end and a receiving end, and light rays emitted by the transmitting end penetrate through the strip-shaped holes to reach the receiving end.
9. A steel strip leveling bridge guide as defined in claim 8, wherein: the arc surface structure of the bridge A section and the arc surface structure of the bridge C section are provided with strip-shaped holes along the steel strip transmission direction; a third opposite-emission photoelectric sensor is arranged below the cambered surface structure of the bridge A section and below the cambered surface structure of the bridge C section; the mounting heights of the two third opposite-emission photoelectric sensors are consistent; the two first opposite-emission photoelectric sensors are respectively an emitting end and a receiving end, and light rays emitted by the emitting end penetrate through the strip-shaped holes to reach the receiving end.
10. A method for controlling the bridge conveying of a leveler steel strip, which is characterized in that the method adopts the steel strip leveling bridge guide device according to claim 9, and comprises the following steps:
s1, installing a steel strip leveling bridge guide device between a leveling machine and a punch press, wherein the leveling machine is provided with a feeding roller, a leveling roller and a discharging roller, the front end of the feeding roller is provided with an uncoiler, the rear end of the discharging roller is provided with a bridge A section, steel strip enters the leveling machine from the feeding roller after being uncoiled by the uncoiler, is leveled by the leveling roller, is conveyed to the steel strip leveling bridge guide device by the discharging roller, and respectively passes through the bridge A section, the bridge B section and the bridge C section, and then enters the punch press to be punched, and then is pulled by a traction mechanism to continuously travel;
s2, a fourth opposite-injection photoelectric sensor is arranged behind the discharging roller of the leveling machine, the fourth opposite-injection photoelectric sensor comprises a transmitting end and a receiving end which are respectively arranged on two sides of the steel belt, and when signals of the fourth opposite-injection photoelectric sensor are interrupted, the uncoiler, the leveling machine and the punching machine work normally; when the signal of the fourth opposite-injection photoelectric sensor is connected, the uncoiler, the leveler and the punch press stop running;
s3, opening a third opposite-shooting type photoelectric sensor, a second opposite-shooting type photoelectric sensor and a first opposite-shooting type photoelectric sensor, and when signals of the third opposite-shooting type photoelectric sensor, the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all connected, normally operating the uncoiler, the leveler and the punch;
s4, when the signals of the third opposite-shooting type photoelectric sensor are interrupted, starting arc suspension abnormality early warning when the signals of the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all connected, setting a time threshold value xi, and accelerating the feeding speed of the punch press until the state of S3 is restored when the duration exceeds xi;
s5, when signals of the third opposite-shooting type photoelectric sensor and the second opposite-shooting type photoelectric sensor are interrupted, starting an acceleration state when signals of the first opposite-shooting type photoelectric sensor are all connected, accelerating the feeding speed of a punching machine, reducing the discharging speed of an uncoiler and a leveler, and recovering to the state of S3;
and S6, when the signals of the third opposite-shooting type photoelectric sensor, the second opposite-shooting type photoelectric sensor and the first opposite-shooting type photoelectric sensor are all interrupted, stopping the operation of the uncoiler, the leveler and the punch, overhauling, and resetting the operation rates of the uncoiler, the leveler and the punch until the state of S3 is restored.
CN202311298806.9A 2023-10-09 2023-10-09 Steel strip leveling bridge guide device and conveying control method Pending CN117102279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311298806.9A CN117102279A (en) 2023-10-09 2023-10-09 Steel strip leveling bridge guide device and conveying control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311298806.9A CN117102279A (en) 2023-10-09 2023-10-09 Steel strip leveling bridge guide device and conveying control method

Publications (1)

Publication Number Publication Date
CN117102279A true CN117102279A (en) 2023-11-24

Family

ID=88804096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311298806.9A Pending CN117102279A (en) 2023-10-09 2023-10-09 Steel strip leveling bridge guide device and conveying control method

Country Status (1)

Country Link
CN (1) CN117102279A (en)

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