CN118751733B - Iron sheet barrel rolling device capable of detecting welded edge and rolling checking method thereof - Google Patents
Iron sheet barrel rolling device capable of detecting welded edge and rolling checking method thereof Download PDFInfo
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- CN118751733B CN118751733B CN202411237109.7A CN202411237109A CN118751733B CN 118751733 B CN118751733 B CN 118751733B CN 202411237109 A CN202411237109 A CN 202411237109A CN 118751733 B CN118751733 B CN 118751733B
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- frame
- roller
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 494
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 247
- 238000005096 rolling process Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000003466 welding Methods 0.000 claims description 45
- 238000003708 edge detection Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 5
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 230000003252 repetitive effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- 230000007306 turnover Effects 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2676—Cans or tins having longitudinal or helical seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2692—Manipulating, e.g. feeding and positioning devices; Control systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a roll-forming device of an iron sheet barrel capable of detecting welded edges and a roll-forming checking method thereof, relating to the technical field of iron sheet barrel preparation, comprising a roll-forming frame and a roll-forming mechanism, the rolling mechanism bends the iron sheet through three groups of rollers, and comprises an upper roller group assembly and a lower roller group assembly, wherein the upper roller group assembly comprises an upper shaft roller, and the lower roller group assembly comprises a lower shaft roller. According to the invention, the arc length of the welded edge area of the rolled iron sheet barrel is detected by an ultrasonic detector, the total arc length of two sides of the iron sheet is measured by arranging a measuring encoder and a pressure sensor on a lower shaft roller, the top opening perimeter and the bottom opening perimeter of the formed iron sheet barrel are obtained, and whether the top opening perimeter and the bottom opening perimeter of the formed iron sheet barrel meet the requirements is calculated according to the initial curvature of an iron sheet plate, so that the upper edge and the lower edge of the iron sheet are formed in the same plane, and the iron sheet barrel can be completely sealed by using a circular plate, thereby ensuring the sealing effect of the iron sheet barrel.
Description
Technical Field
The invention relates to the technical field of iron barrel preparation, in particular to an iron barrel rolling device capable of detecting welded edges and a rolling verification method thereof.
Background
The iron barrel is a vessel prepared by metal and is used for containing solid particles or liquid, the common iron barrel is used for materials such as grease, paint and the like, the iron barrel has the greatest advantages of firm structure and strong stability, the preparation process of the iron barrel is quite simple, the iron barrel of a flat plate can be bent by only rolling the iron barrel by a plate rolling machine, two ends of the iron barrel are welded or curled, and finally, a circular plate back cover is installed.
On the whole production line, the tightness of the iron sheet barrel is critical, and the sealing problem is caused by the defects of two processes before shaping, namely, whether the two ends of the iron sheet are completely butted when the iron sheet barrel is seamed after rolling, whether the upper edge and the lower edge of the iron sheet are in a flush state when rolling, if the butt joint of the two ends of the iron sheet is not completely sealed, liquid in the barrel body is easy to leak at the not completely sealed position, and if the upper edge and the lower edge of the iron sheet are not in the flush state in the rolling process, a notch exists when a circular plate is sealed, so that the bottom opening of the finally shaped iron sheet barrel is leaked.
When the diameters of the upper opening and the lower opening of the rolled iron sheet barrel are the same, the curvature consistency of the two sides of the iron sheet during rolling is ensured, and the upper edge and the lower edge of the rolled iron sheet can be in a flush state, but in the prior art, the rolling curvature of the two sides of the round table-shaped iron sheet barrel is inconsistent during production, the rolling curvature control difficulty of the iron sheet is high, and the formed iron sheet barrel bottom opening is easy to cause uneven, so that the leakage problem is generated.
Disclosure of Invention
The invention aims to provide a roll-forming device of a iron sheet barrel capable of detecting welded edges and a roll-forming verification method thereof, which are used for solving the problems that the roll-forming curvature of two sides of a round table-shaped iron sheet barrel is inconsistent in production, the roll-forming curvature of the iron sheet is difficult to control, and the bottom opening of the formed iron sheet barrel is uneven, so that leakage is generated in the prior art.
The iron sheet barrel rolling device comprises a rolling frame and a rolling mechanism, wherein the rolling mechanism bends an iron sheet through three groups of rollers, after the three groups of rollers are positioned according to the principle of three-point rounding, an iron sheet tangent to the side surfaces of the three groups of rollers is rolled to form an arc corresponding to the three groups of rollers, the rolling mechanism comprises an upper roller group assembly and a lower roller group assembly, the upper roller group assembly comprises an upper shaft roller, the lower roller group assembly comprises a lower shaft roller, two lower shaft rollers and an upper shaft roller form a rolling plate roller of a rolling mechanism, the iron sheet sequentially passes through the lower surface of the lower shaft roller, the upper surface of the upper shaft roller and the lower surface of the lower shaft roller, then forms an upward radian, one side of the upper roller group assembly and one side of the lower roller group assembly are provided with fixed sleeve frames, the other side of the upper roller group assembly and the lower roller group assembly is provided with a movable sleeve frame, the upper shaft roller and the lower shaft roller are positioned between the fixed sleeve frames and the movable sleeve frames, and the shaft shafts of the movable sleeve frames are positioned on one side of the fixed shaft and the movable sleeve frames;
The outer side wall of movable sleeve frame sets up radian adjustment mechanism, radian adjustment mechanism adjusts the position that rolls up board running roller in movable sleeve frame and locates to change the radian of bending of rolling up board running roller both sides, one side of rolling up the shape frame is provided with welding edge detection mechanism, welding edge detection mechanism includes the curb plate, hangs barrel holder and detection frame, curb plate and rolling up shape frame outer side wall fixed connection, hang barrel holder fixed connection on the outer side wall of curb plate, detection frame rotates to be connected on the outer side wall of curb plate, hang the barrel holder and be used for hanging the iron sheet bucket that the shape formed, the detection frame is used for detecting the thickness of iron sheet bucket inner wall.
Preferably, a third shaft sleeve and a fourth shaft sleeve are arranged in the movable sleeve frame, a first shaft sleeve and a second shaft sleeve are arranged in the fixed sleeve frame, a deflector rod is fixedly connected to the outer side wall of the detection frame, a ring groove is formed in the side wall of the side plate, and the deflector rod is in sliding connection with the inner side wall of the ring groove.
Preferably, one end fixedly connected with universal joint one of last shaft roller, the one end fixedly connected with shaft coupling one of universal joint one, shaft coupling one is connected with first axle sleeve transmission, the other end fixedly connected with universal joint two of last shaft roller, the one end and the third axle sleeve transmission of universal joint two are connected.
Preferably, one end of the lower shaft roller is fixedly connected with a third universal joint, one end of the third universal joint is fixedly connected with a second coupler, the second coupler is in transmission connection with a second shaft sleeve, and the other end of the lower shaft roller is in transmission connection with a fourth shaft sleeve.
Preferably, the radian adjustment mechanism comprises a expanding mechanism, the expanding mechanism comprises an electric cylinder I, an output end of the electric cylinder I is fixedly connected with a telescopic column, an outer side wall of the telescopic column is rotationally connected with a turnover rod, one end of the turnover rod is rotationally connected with a hinge, the turnover rod is rotationally connected with a fourth shaft sleeve through the hinge, two tension springs are arranged between the fourth shaft sleeves, an arc-shaped rail is fixedly connected with the upper surface of the movable sleeve frame, a sliding clamping block is slidingly connected inside the arc-shaped rail, and the sliding clamping block is fixedly connected with the fourth shaft sleeve.
Preferably, the radian adjustment mechanism further comprises a second electric cylinder, the second electric cylinder is installed at the center position of the top surface of the movable sleeve frame, a limiting frame is fixedly connected to the center position of the bottom end of the movable sleeve frame, the third shaft sleeve is in sliding connection with the inner side wall of the limiting frame, and the output end of the second electric cylinder penetrates through the bottom wall of the movable sleeve frame and is fixedly connected with the third shaft sleeve.
Preferably, the lateral wall of rolling up the shape frame is provided with actuating mechanism, actuating mechanism includes servo motor and speed reducer, servo motor's output transmission is connected with the drive belt, the other end of drive belt is connected with the input transmission of speed reducer, the equal fixedly connected with sprocket of lateral wall of second collar, the output and the sprocket fixed connection of speed reducer, two the transmission is connected with the chain belt between the sprocket.
The invention also discloses a roll forming verification method of the iron sheet barrel capable of detecting welded edges, which comprises the following steps:
step one, inputting curvature values of iron sheets, namely cutting the iron sheets into iron sheets with specific curvature by laser cutting equipment according to the shape of an iron sheet barrel to be prepared, and inputting the curvature values of the iron sheets into a rolling device while inputting the iron sheets;
Adjusting bending curvature of the rolling plate roller according to the bevel angle of the formed iron barrel, combining curvature values of the iron sheet, adjusting bending curvature of two sides of the iron sheet between the upper shaft roller and the lower shaft roller, and adjusting the distance of the rolling plate roller according to the data;
Measuring and calculating total arc lengths of the upper edge and the lower edge of the iron sheet, namely measuring contact time between two ends of the upper shaft roller and the lower shaft roller and the iron sheet when the iron sheet is rolled by the upper shaft roller and the lower shaft roller, and calculating the total arc lengths of the upper edge and the lower edge of the iron sheet to obtain central angles corresponding to the upper edge and the lower edge of the iron sheet;
detecting the repetition length of the welding edge, namely detecting the thickness of the iron sheet from the inner side wall of the iron sheet barrel by using a detection frame when the iron sheets in the welding edge area are overlapped and measuring the repetition length of the welding edge of the upper side and the lower side of the iron sheet barrel according to the numerical value difference obtained by ultrasonic detection, wherein the thickness of the iron sheet is larger than the initial thickness of the iron sheet;
And fifthly, calculating radians of the upper and lower plates of the coiled iron sheet, namely measuring the repeated arc length of a welding edge area in an ideal state according to the total arc length of the upper and lower edges of the iron sheet measured during coiling, and adjusting the coiled shape of the iron sheet barrel by combining with the actually measured repeated arc length of the welding edge to calculate whether the upper and lower openings of the iron sheet barrel of the coiled iron sheet are flush.
Preferably, the system also comprises an arc length measuring module, a welding edge detecting module, a microprocessor and a barrel edge curvature adjusting module;
The arc length measuring module comprises a measuring encoder and a pressure sensor, wherein the pressure sensor is used for measuring the contact between the iron sheet and the lower shaft roller, and the measuring encoder is used for measuring and calculating the moving distance of the iron sheet corresponding to the rotation of the lower shaft roller in the process so as to measure the total arc length of the upper edge and the lower edge of the iron sheet;
The welding edge detection module comprises an ultrasonic detector, and draws a fitting pattern of the welding edge of the iron sheet barrel by carrying out acoustic wave pattern fitting on data measured by the ultrasonic detector;
The barrel edge curvature adjusting module comprises a control encoder, and the control encoder is used for adjusting the strokes of the first electric cylinder and the second electric cylinder;
The microprocessor is used for calculating the arc length of the upper edge and the lower edge of the iron sheet and the repeated arc length of the welding edge, and adjusting the output power of the bucket edge radian adjusting module.
Preferably, the relation among the effective arc length of the iron sheet, the curvature value of the iron sheet and the bevel angle of the iron sheet barrel is as follows:
;
in the formula, Is the bevel angle of the iron sheet cylinder,Is the effective arc length of the rolled shape of the lower edge of the iron sheet,Is the curvature value of the iron sheet.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the arc length of the welded edge area of the rolled iron sheet barrel is detected by an ultrasonic detector, the total arc length of two sides of the iron sheet is measured by arranging a measuring encoder and a pressure sensor on a lower shaft roller, the top opening perimeter and the bottom opening perimeter of the formed iron sheet barrel are obtained, and whether the top opening perimeter and the bottom opening perimeter of the formed iron sheet barrel meet the requirements is calculated according to the initial curvature of an iron sheet plate, so that the upper edge and the lower edge of the iron sheet are formed in the same plane, and the iron sheet barrel can be completely sealed by using a circular plate, thereby ensuring the sealing effect of the iron sheet barrel.
2. According to the invention, the fixed shaft sleeve frame with the fixed shaft center is arranged at one end of the rolling roller, the movable sleeve frame with the adjustable shaft center is arranged at the other end of the rolling roller, when the iron sheet barrel to be rolled is in a round table shape, the shaft center position of the upper shaft roller or the lower shaft roller on the movable sleeve frame is properly adjusted, and when one shaft center position is changed, the curling curvature of the two lower shaft rollers and the upper shaft roller is correspondingly changed, so that the iron sheet plate is curled into the round table shape, and the iron sheet barrels with different shapes can be produced.
3. According to the invention, the arc length of the welding edge area is detected by the ultrasonic detector, and whether the reserved length of the iron sheet can meet the requirement of sealing welding when the iron sheet is rolled into the iron sheet barrel is detected, so that enough filler is added to the side edge part of the iron sheet barrel, or the iron sheet is curled and sealed, the sealing effect is enhanced, and the sealing performance of the side edge of the iron sheet barrel is ensured.
4. According to the invention, when the arc length measuring module is used for winding the winding roller, the winding length is measured while winding, the thickness of metal is detected from the inner side of the iron sheet barrel through the welding edge detecting module, so that the range of the welding edge overlapping area is detected, the initial curvature of the iron sheet is combined, measured data is transmitted to the microprocessor, the theoretical winding curvature of the upper opening and the lower opening of the iron sheet barrel is obtained, the stroke of the electric cylinder is regulated through controlling the encoder, and therefore the winding curvature of the iron sheet barrel is corrected in real time, and the forming quality of the iron sheet barrel is improved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a roll-forming device of a tin drum capable of detecting welded edges;
FIG. 2 is a schematic diagram of a driving mechanism in a roll forming device of a tin drum capable of detecting welded edges;
FIG. 3 is a schematic structural view of a rolling mechanism in a roll forming device for iron sheet barrels, which can detect welded edges;
FIG. 4 is a schematic structural view of a expanding mechanism in a roll forming device of an iron sheet barrel capable of detecting welded edges;
FIG. 5 is a schematic diagram of the structure of an electric cylinder II in the iron barrel rolling device capable of detecting welded edges;
FIG. 6 is a flow chart of a roll forming device for a tin drum capable of detecting welded edges;
FIG. 7 is a schematic diagram showing a variation of a roll-up device according to a third embodiment of the present invention;
FIG. 8 is a simplified illustration of the effect of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic diagram showing a variation of a roll-up device according to a second embodiment of the present invention;
FIG. 10 is a simplified illustration of the effect of FIG. 9 in accordance with the present invention;
FIG. 11 is a schematic diagram of an arc sheet iron coil;
FIG. 12 is a schematic diagram II of an arc iron sheet coil;
FIG. 13 is a roll forming schematic view of a cylindrical sheet iron diagram;
FIG. 14 is a roll forming schematic view of a round table iron sheet;
FIG. 15 is a flow chart of a method for checking the rolling of a tin can with weld edge detection according to the present invention;
fig. 16 is a system block diagram of a method for checking the rolling of a tin can with welded edge detection according to the present invention.
The device comprises a coiling frame 1, a driving mechanism 21, a servo motor 22, a driving belt 23, a speed reducer 24, a chain wheel 25, a chain belt 3, a coiling mechanism 31, an upper roller assembly 311, an upper roller assembly 312, a coupling I, a coupling II, a coupling 32, a lower roller assembly 321, a lower roller assembly 322, a coupling II, a coupling 323, a coupling III, a 33, a fixed sleeve frame 331, a first shaft sleeve 332, a second shaft sleeve 34, a movable sleeve frame 341, a third shaft sleeve 342, a fourth shaft sleeve 343, a sliding clamping block 344, a tension spring 4, a limiting frame 5, a expanding mechanism 51, an electric cylinder I, a telescopic column 52, a turnover rod 54, a hinge 55, an arc-shaped rail 6, an electric cylinder II, a welding edge detection mechanism 7, a welding edge detection mechanism 71, a side plate 72, a barrel frame 73, a detection frame 74, a ring groove 75 and a deflector rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the embodiment I, as shown in figures 1-16, the iron sheet barrel rolling device capable of detecting welded edges comprises a rolling frame 1 and a rolling mechanism 3, wherein the rolling mechanism 3 bends an iron sheet through three groups of rollers, after the three groups of rollers are positioned according to the principle of three-point rounding, an iron plate tangent to the side surfaces of the three groups of rollers is rolled into an arc corresponding to the three groups of rollers, the rolling mechanism 3 comprises an upper roller group assembly 31 and a lower roller group assembly 32, the upper roller group assembly 31 comprises an upper shaft roller 311, the lower roller group assembly 32 comprises a lower shaft roller 321, and the two lower shaft rollers 321 and the upper shaft roller 311 form a rolling roller of the rolling mechanism 3;
a fixed sleeve frame 33 is arranged on one side of the upper roller set assembly 31 and the lower roller set assembly 32, a movable sleeve frame 34 is arranged on the other side of the upper roller set assembly 31 and the lower roller set assembly 32, the fixed sleeve frame 33 and the movable sleeve frame 34 are both arranged on the coil-shaped frame 1, an upper shaft roller 311 and a lower shaft roller 321 rotate between the fixed sleeve frame 33 and the movable sleeve frame 34, the shaft centers of the upper shaft roller 311 and the lower shaft roller 321 on one side of the fixed sleeve frame 33 are in fixed positions, and the shaft centers of the upper shaft roller 311 and the lower shaft roller 321 on one side of the movable sleeve frame 34 are adjustable;
The outer side wall of the movable sleeve frame 34 is provided with an radian adjusting mechanism, the radian adjusting mechanism adjusts the position of the rolling plate roller on the movable sleeve frame 34, so that bending radians of two sides of the rolling plate roller are changed, one side of the rolling frame 1 is provided with a welding edge detecting mechanism 7, the welding edge detecting mechanism 7 comprises a side plate 71, a barrel hanging frame 72 and a detecting frame 73, the side plate 71 is fixedly connected with the outer side wall of the rolling frame 1, the barrel hanging frame 72 is fixedly connected to the outer side wall of the side plate 71, the detecting frame 73 is rotatably connected to the outer side wall of the side plate 71, the barrel hanging frame 72 is used for hanging a rolled iron sheet barrel, and the detecting frame 73 is used for detecting the thickness of the inner wall of the iron sheet barrel.
In this embodiment, two lower shaft rollers 321 in the coil roller are disposed below, the upper shaft roller 311 is disposed above, and the iron sheet sequentially passes through the lower surface of the lower shaft roller 321, the upper surface of the upper shaft roller 311 and the lower surface of the other lower shaft roller 321, and then forms an upward arc, so as to form an arc plate by rolling a flat plate, and the positions of the upper shaft roller 311 and the lower shaft roller 321 at the position of the movable sleeve frame 34 can be adjusted according to different shapes of the iron sheet barrel to be processed.
Referring to fig. 13, when the iron barrel is cylindrical (i.e. the diameters of the upper opening and the lower opening of the iron barrel are the same), the iron barrel can be manufactured by adopting iron sheets with no radian on the upper edge and the lower edge, in the illustrationIs the effective length of the lower edge of the iron sheet,Is the effective length of the upper edge of the iron sheet,The width of the iron sheet is also the height of the formed iron sheet barrel, the effective arc length of the iron sheet is the arc length of the iron sheet for rolling the formed barrel, and the effective arc length is the partial arc length of the total arc length of the iron sheet except for the welding edge (hereinafter, the effective arc length refers to the arc length for rolling and is not repeated), and at the moment, the upper opening and the lower opening of the formed iron sheet barrel can be in a flush state only by ensuring that the rolling curvatures of the two sides are equal when the iron sheet is rolled on the rolling mechanism 3;
Referring to fig. 14, when the iron barrel is round (i.e. the diameter of the upper opening of the iron barrel is larger than that of the lower opening), the iron barrel is manufactured by using iron sheets with arc upper and lower edges, in the illustration Is the effective arc length of the lower edge of the iron sheet,Is the effective arc length of the upper edge of the iron sheet,The rolling curvature of two sides of the iron sheet is controlled according to the bevel angle of the formed iron sheet barrel (the included angle between the outer side surface and the ground on the largest vertical section of the iron sheet barrel when the iron sheet barrel is vertically placed), the rolling curvature of the two sides of the iron sheet is larger than that of the upper opening, the difference of the rolling curvatures of the two sides is determined by the bevel angle of the iron sheet, when the bevel angle approaches ninety degrees, the difference of the rolling curvatures of the two sides is minimum, and when the bevel angle is smaller, the difference of the rolling curvatures of the two sides is larger;
Referring to fig. 6, the process of forming the iron sheet barrel by the iron sheet roll comprises the steps of firstly inserting a planar iron sheet plate from one side of a roll forming mechanism 3, enabling a driving mechanism 2 to drive the roll forming mechanism 3 to rotate, bending the roll forming mechanism by utilizing the action of an upper shaft roller 311 and two lower shaft rollers 321, then rolling out the roll forming iron sheet from the other side of the roll forming mechanism 3, bending the roll forming iron sheet upwards and hanging the roll forming iron sheet on a barrel hanging frame 72, forming a cylindrical shape of the iron sheet plate after the iron sheet plate is fully rolled and hung on the barrel hanging frame 72, enabling overlapping parts of two ends of the iron sheet to be welding edge areas, arranging an ultrasonic detector below a detection frame 73, conducting ultrasonic detection on the iron sheet barrel by utilizing the ultrasonic detector, measuring the repetition length of the iron sheet at the welding edge, and solving the roll forming curvature of the iron sheet barrel in practice, and checking whether the roll forming curvature can meet the upper edge and the lower edge of the iron sheet barrel.
According to the second embodiment, as shown in fig. 1,3, 5, 9 and 10, a third shaft sleeve 341 and a fourth shaft sleeve 342 are arranged in the movable sleeve frame 34, a first shaft sleeve 331 and a second shaft sleeve 332 are arranged in the fixed sleeve frame 33, a deflector rod 75 is fixedly connected to the outer side wall of the detection frame 73, a ring groove 74 is formed in the side wall of the side plate 71, and the deflector rod 75 is in sliding connection with the inner side wall of the ring groove 74;
One end fixedly connected with universal joint one 313 of last roller 311, the one end fixedly connected with shaft coupling one 312 of universal joint one 313, shaft coupling one 312 and first axle sleeve 331 transmission connection, the other end fixedly connected with universal joint two 314 of last roller 311, the one end and the third axle sleeve 341 transmission connection of universal joint two 314, radian adjustment mechanism still includes electronic jar two 6, electronic jar two 6 are installed in the top surface central point department of movable sleeve frame 34, the bottom central point department fixedly connected with spacing frame 4 of movable sleeve frame 34, third axle sleeve 341 is at the inside wall sliding connection of spacing frame 4, the output of electronic jar two 6 runs through the diapire of movable sleeve frame 34 and with third axle sleeve 341 fixed connection.
In this embodiment, there are various ways of adjusting the rolling curvatures of the two sides of the rolling roller set, referring to the illustration in fig. 10, when the second electric cylinder 6 is used to drive the third sleeve 341 to move in the vertical direction, the third sleeve 341 is adjusted to be located at the position inside the limiting frame 4, the rolling curvatures formed at the two ends of the rolling mechanism 3 are also changed, the positions of the upper shaft roller 311 and the two lower shaft rollers 321 near the axle center of one end of the fixed sleeve frame 33 are unchanged, the rolling curvatures of the iron sheet at the end are also unchanged, and the lower opening of the iron sheet barrel is formed;
When the rolling curvature is adjusted by changing the axial position of the upper shaft roller 311, in order to keep the stability of the rotation of the roller wheel when the upper shaft roller 311 is offset, one side of the upper shaft roller 311 is connected by a first universal joint 313, the other side of the upper shaft roller 311 is connected by a second universal joint 314, and in a set angle range, the upper shaft roller 311 can rotate between the fixed sleeve frame 33 and the movable sleeve frame 34 no matter how the axial direction of the upper shaft roller 311 is adjusted, and vibration noise caused by the deflection of the upper shaft roller 311 is reduced by a first coupling 312.
According to the third embodiment, as shown in fig. 1,3, 4, 7 and 8, a third shaft sleeve 341 and a fourth shaft sleeve 342 are arranged in the movable sleeve frame 34, a first shaft sleeve 331 and a second shaft sleeve 332 are arranged in the fixed sleeve frame 33, one end of the lower shaft roller 321 is fixedly connected with a third universal joint 323, one end of the third universal joint 323 is fixedly connected with a second coupling 322, the second coupling 322 is in transmission connection with the second shaft sleeve 332, and the other end of the lower shaft roller 321 is in transmission connection with the fourth shaft sleeve 342;
The radian adjustment mechanism comprises a expanding mechanism 5, the expanding mechanism 5 comprises an electric cylinder I51, the output end of the electric cylinder I51 is fixedly connected with a telescopic column 52, the outer side wall of the telescopic column 52 is rotationally connected with a turnover rod 53, one end of the turnover rod 53 is rotationally connected with a hinge 54, the turnover rod 53 is rotationally connected with a fourth shaft sleeve 342 through the hinge 54, a tension spring 344 is arranged between the two fourth shaft sleeves 342, the upper surface of the movable sleeve frame 34 is fixedly connected with an arc-shaped rail 55, the inside of the arc-shaped rail 55 is slidingly connected with a sliding clamping block 343, and the sliding clamping block 343 is fixedly connected with the fourth shaft sleeve 342.
In this embodiment, the rolling curvature of the iron barrel is controlled in another way, referring to the illustration in fig. 8, when the electric cylinder one 51 is used to drive the telescopic column 52 to move, so that the telescopic column 52 adjusts the telescopic length under the limit, the telescopic column 52 drives the turning rod 53 to deflect, the turning rod 53 is used to open the fourth shaft sleeve 342 to two sides, the opening distance of the axis of the lower shaft roller 321 is changed, when the opening angle of the two fourth shaft sleeves 342 is larger, the curvature of the upper opening of the iron barrel rolled by the upper shaft roller 311 and the lower shaft roller 321 is smaller, the lower opening of the iron barrel is rolled by the upper shaft roller 311 and the lower shaft roller 321 close to one side of the fixed sleeve frame 33, the rolling curvature of the lower opening of the iron barrel is unchanged, and the slope angle formed by the barrel is changed by adjusting the curvature of the upper opening of the iron barrel;
When the pushing effect of the first electric cylinder 51 is achieved, the fourth shaft sleeve 342 slides under the limit of the arc-shaped rail 55, the arc-shaped rail 55 is located on an arc track with one end of the lower shaft roller 321 as a circle center, the fourth shaft sleeve 342 is directly connected with the lower shaft roller 321 through a bearing, no matter how the fixing position of the fourth shaft sleeve 342 in the arc-shaped rail 55 is changed, the plane of the fourth shaft sleeve 342 is vertical to the axis of the lower shaft roller 321, the third universal joint 323 is arranged at the other end of the lower shaft roller 321, the axis of the lower shaft roller 321 can be regulated within a certain range by the third universal joint 323, vibration caused by the deviation between the axis of the lower shaft roller 321 and the axis of the second shaft sleeve 332 is eliminated through the second coupling 322, and noise in transmission is reduced.
According to the fourth embodiment, as shown in fig. 1,2 and 3, a driving mechanism 2 is arranged on the outer side wall of the coiled frame 1, the driving mechanism 2 comprises a servo motor 21 and a speed reducer 23, the output end of the servo motor 21 is in transmission connection with a transmission belt 22, the other end of the transmission belt 22 is in transmission connection with the input end of the speed reducer 23, the outer side wall of a second shaft sleeve 332 is fixedly connected with chain wheels 24, the output end of the speed reducer 23 is fixedly connected with the chain wheels 24, and a chain belt 25 is in transmission connection between the two chain wheels 24.
In this embodiment, the driving mechanism 2 is disposed at one end of the winding frame 1, when two lower shaft rollers 321 are required to be driven to rotate for winding, the servo motor 21 is started, the servo motor 21 is utilized to drive the driving belt 22 to drive, the driving belt 22 drives the sprocket 24 to rotate at a low speed through the speed reducer 23, the second sleeves 332 connected with the two lower shaft rollers 321 are connected with one sprocket 24, the two sprockets 24 are driven by the chain belt 25, and the two sprockets 24 can keep the effect of rotating at a low speed, so as to provide driving force for fixing the winding of the iron sheet barrel.
11-16, The roll forming checking method of the iron barrel capable of detecting welding edges comprises the following steps of:
1) Inputting curvature values of iron sheets, namely cutting the iron sheets into iron sheets with specific curvature by laser cutting equipment according to the shape of the iron sheet barrel to be prepared, and inputting the curvature values of the iron sheets into a rolling device at the same time;
2) Adjusting bending curvature of the rolling plate roller, namely adjusting bending curvature between the upper shaft roller 311 and the lower shaft roller 321 on two sides of the iron sheet according to the bevel angle of the formed iron sheet barrel and combining the curvature value of the iron sheet, and adjusting the distance between the rolling plate roller according to the data;
3) Measuring the contact time between the two ends of the upper shaft roller 311 and the lower shaft roller 321 and the iron sheet when the iron sheet is rolled by the upper shaft roller 311 and the lower shaft roller 321, and calculating the total arc length of the upper and lower edges of the iron sheet to obtain the corresponding central angles of the upper and lower edges of the iron sheet;
4) Detecting the repetition length of the welding edge, namely detecting the thickness of the iron sheet from the inner side wall of the iron sheet barrel by using a detection frame 73 when the iron sheets in the welding edge areas are overlapped, and measuring the repetition length of the welding edge of the upper side and the lower side of the iron sheet barrel according to the numerical value difference obtained by ultrasonic detection;
5) And (3) checking the radian of the upper edge and the lower edge of the coiled iron sheet, namely measuring the repeated arc length of a welding edge area in an ideal state according to the total arc length of the upper edge and the lower edge of the iron sheet measured during coiling, and checking whether the upper opening and the lower opening of the coiled iron sheet barrel are flush or not according to the actually measured welding edge repeated arc length, and adjusting the coiled shape of the iron sheet barrel.
The roll-forming checking system comprises an arc length measuring module, a welding edge detecting module, a microprocessor and a barrel edge curvature adjusting module, wherein the arc length measuring module comprises a measuring encoder and a pressure sensor, the pressure sensor is used for measuring the contact between an iron sheet and a lower shaft roller 321, the measuring encoder is used for measuring and calculating the total arc length of the upper edge and the lower edge of the iron sheet in the process, the lower shaft roller 321 rotates to correspond to the moving distance of the iron sheet, the welding edge detecting module comprises an ultrasonic detector, the ultrasonic detector is used for carrying out acoustic wave graph fitting on data measured by the ultrasonic detector to draw a fitting graph of the welding edge of the iron sheet barrel, the barrel edge curvature adjusting module comprises a control encoder, the control encoder is used for adjusting the strokes of a first electric cylinder 51 and a second electric cylinder 6, and the microprocessor is used for calculating the arc length of the upper edge and the lower edge of the iron sheet and the repeated arc length of the welding edge and adjusting the output power of the barrel edge radian adjusting module. The relation among the effective arc length of the iron sheet, the curvature value of the iron sheet and the bevel angle of the iron sheet barrel is as follows:
;
in the formula, Is the bevel angle of the iron sheet cylinder,Is the effective arc length of the rolled shape of the lower edge of the iron sheet,Is the curvature value of the iron sheet.
In this embodiment, as can be seen from the description of FIGS. 11-14, there is a mathematical relationship in which the central angle is equal to the product of arc length and curvature, i.e., there isThe central angle of the iron sheet before rolling isWhereinIs a complete ring formed after the rolling, which is the central angle corresponding to the notch part before the rolling, thus having;
As can be seen from the graphical relationship of fig. 12: Wherein, the method comprises the steps of, Is the diameter of the arc iron sheet before the rolling shape,Is the diameter of the arc iron sheet after being rolled.
Meanwhile, when the iron sheet plate forms the iron sheet barrel, the diameter of the upper opening and the diameter of the lower opening of the iron sheet barrel can be known, and the diameter of the upper opening is as followsThe diameter of the lower opening isIt can be seen that the relation with bevel angle is that after the maximum vertical section of the iron barrelTo sum up, the bevel angle of the iron barrel can be obtainedAnd the effective arc length of the rolled shape of the lower edge of the iron sheetCurvature value of iron sheetIs a relationship of (2);
When the core correcting iron sheet is flat or not in rolling, the upper edge total arc length and the lower edge total arc length of the iron sheet are measured, the upper edge arc length and the lower edge arc length can be obtained by measuring the upper edge total arc length and the lower edge arc length by using the detection frame 73, the effective arc length of the upper edge rolling shape and the effective arc length of the lower edge rolling shape of the iron sheet can be known by subtracting the repeated arc length of the welding edge area from the total arc length of the iron sheet, and the obtained effective arc length of the upper edge rolling shape and the obtained theoretical arc length of the upper edge of the iron sheet are used for measuring the upper edge rolling shape And the theoretical arc length of the lower edgeIn contrast, the coil checking system can be used for feedback adjustment of the coil roller to check whether the upper opening and the lower opening of the coil are kept flush, and when the total arc length of the upper edge and the total arc length of the lower edge of the iron sheet are measured by using the arc length measuring module, the repeated arc length of the welding edge area is measured by using the welding edge detecting module, and the positions of the shaft sleeves in the movable sleeve frame 34 are adjusted according to the calculation result.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
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