CN113305147A - Multi-process machining device and method for rolling wide copper plate by copper bar - Google Patents
Multi-process machining device and method for rolling wide copper plate by copper bar Download PDFInfo
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- CN113305147A CN113305147A CN202110621342.5A CN202110621342A CN113305147A CN 113305147 A CN113305147 A CN 113305147A CN 202110621342 A CN202110621342 A CN 202110621342A CN 113305147 A CN113305147 A CN 113305147A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/021—Rolls for sheets or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to a multi-process processing device and a method for rolling a wide copper plate by a copper bar, wherein the device comprises a guiding-straightening mechanism, a multi-pass axial splitting forming rolling mechanism, a multi-pass special-shaped roller widening rolling mechanism and a flat roller rolling mechanism; the guiding-straightening mechanism, the multi-pass axial splitting forming rolling mechanism, the multi-pass special-shaped roller widening rolling mechanism and the flat roller rolling mechanism are respectively and uniformly spaced and are sequentially arranged on the same horizontal straight line; the method comprises the steps of a guiding-straightening process, a multi-pass axial splitting forming rolling process, a multi-pass special-shaped roller widening rolling process, a flat roller rolling process and the like. The invention can flatten the copper bar which is rolled by the multi-pass axial splitting and forming rolling procedure and is split and formed by the multi-pass axial splitting and forming rolling procedure one by one, and widen the spreading along the direction vertical to the feeding of the copper bar, thereby ensuring the width and the processing utilization area of the final rolled copper plate, and saving the number of rollers and the rolling pass frequency required in the rolling process as much as possible.
Description
Technical Field
The invention relates to the technical field of copper bar rolling, in particular to a multi-process machining device and method for rolling a wide copper plate by using a copper bar.
Background
With the wide application of non-ferrous metal rolling products, the technical optimization and breakthrough in the non-ferrous metal rolling field are more and more urgent. Currently, it is an urgent need to solve the problem of how to roll a copper bar into a copper plate with better quality by using a cold rolling method. Wherein, the requirement that the copper plate obtained by rolling the copper bar has enough width is a necessary condition for ensuring the excellent quality of the copper plate product. A reliable solution is needed to control the direction in which the required elongation is needed during the rolling of copper bars.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a multi-process processing apparatus and method for rolling a wide copper plate from a copper bar, wherein the roll shape of the profile roll is used to control the extending direction of the copper bar during the rolling process, and the extending direction is perpendicular to the feeding direction of the copper bar as much as possible, so that the rolled copper plate has a larger width and an effective processing area while ensuring the surface quality of the copper plate.
The technical scheme adopted by the invention is as follows:
the invention provides a multi-process processing device for rolling a wide copper plate by a copper bar, which comprises a guiding-straightening mechanism, a multi-pass axial splitting forming rolling mechanism, a multi-pass special-shaped roller widening rolling mechanism and a flat roller rolling mechanism, wherein the guiding-straightening mechanism is used for guiding the wide copper plate to be rolled; the guiding-straightening mechanism, the multi-pass axial splitting forming rolling mechanism, the multi-pass special-shaped roller widening rolling mechanism and the flat roller rolling mechanism are respectively and uniformly spaced and are sequentially arranged on the same horizontal straight line;
the guide-straightening mechanism comprises three rack guide rollers, a horizontal straightening roller set and a vertical straightening roller set; the three-rack guide rollers, the horizontal straightening roller set and the vertical straightening roller set are sequentially arranged on the same horizontal straight line, the three-rack guide rollers are respectively arranged on the upper side and the lower side of the same horizontal straight line, the horizontal straightening roller set is positioned on the rear side of the three-rack guide rollers and respectively arranged on the left side and the right side of the same horizontal straight line, and the vertical straightening roller set is positioned on the rear side of the horizontal straightening roller set and respectively arranged on the upper side and the lower side of the same horizontal straight line;
the multi-pass axial splitting forming rolling mechanism comprises two groups of nine-rack wedge-shaped splitting forming rollers; the two groups of nine-rack wedge-shaped splitting forming rollers are positioned at the rear side of the vertical straightening roller set and are symmetrically arranged at the upper side and the lower side of the same horizontal straight line;
the widening rolling mechanism of the multi-pass special-shaped roller comprises two groups of ten-rack spindle-shaped special-shaped rollers; the two groups of ten-rack spindle-shaped special rollers are respectively positioned at the rear sides of the two groups of nine-rack wedge-shaped splitting forming rollers and are symmetrically arranged at the upper side and the lower side of the same horizontal straight line;
the flat roll rolling mechanism is composed of a single-frame flat roll.
A multi-process method for rolling a wide copper plate from a copper bar, said method comprising the steps of:
s1, a guiding-straightening process: the copper bar coiled on the winch is sequentially drawn, led out and straightened through continuous rolling of the three-rack guide roll, the horizontal straightening roll set and the vertical straightening roll set;
s2, multi-pass axial cutting forming rolling procedure: rolling the straightened copper bar axis to a target thickness by a nine-frame wedge-shaped cutting and parting roller continuous rolling and symmetrically extruding materials to two sides of the copper bar axis;
s3, widening and rolling process of the multi-pass special-shaped roller: extruding and flattening the materials on the two sides of the axis of the copper bar by each pass through continuous rolling of a spindle-shaped special roller with ten frames;
s4, flat rolling process: and completely rolling the copper plate by using a single-frame flat roll, and rolling the coiled copper rod into a wide copper plate.
Further, the nine-rack wedge-shaped splitting and forming roller comprises a first rack wedge-shaped splitting and forming roller, a second rack wedge-shaped splitting and forming roller, a third rack wedge-shaped splitting and forming roller, a fourth rack wedge-shaped splitting and forming roller, a fifth rack wedge-shaped splitting and forming roller, a sixth rack wedge-shaped splitting and forming roller, a seventh rack wedge-shaped splitting and forming roller, an eighth rack wedge-shaped splitting and forming roller and a ninth rack wedge-shaped splitting and forming roller which are sequentially arranged in a straight line.
Further, the cross section outline of the working area of the first frame wedge-shaped cutting forming roller is an arc with the radius of 6 mm, and the distance between the arc top of the arc and the neutral plane of the copper rod is 10.5 mm;
the cross section outline of the working area of the second frame wedge-shaped splitting forming roller consists of a bottom outline and a top outline; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 7.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the third rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 7.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the fourth machine frame consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the fifth rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the sixth rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 1.5 mm;
the cross section profile of the working area of the seventh frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 1.5 mm;
the cross section profile of the working area of the eighth frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 5 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 0.5 mm;
the cross section profile of the working area of the ninth frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 0.5 mm;
furthermore, two sides of the bottom of the cross section of the working area of the first frame to the ninth frame wedge-shaped cutting forming roller are respectively provided with a symmetrical flange with the width of 8 mm, and the distance between the upper surface of the flange and the bottom of the cross section of the working area of the profile roller is 1 mm.
Further, the ten-frame spindle-shaped special rollers comprise a first frame spindle-shaped special roller, a second frame spindle-shaped special roller, a third frame spindle-shaped special roller, a fourth frame spindle-shaped special roller, a fifth frame spindle-shaped special roller, a sixth frame spindle-shaped special roller, a seventh frame spindle-shaped special roller, an eighth frame spindle-shaped special roller, a ninth frame spindle-shaped special roller and a tenth frame spindle-shaped special roller which are sequentially arranged in a straight line.
Further, the cross section outline of the working area of the spindle-shaped special-shaped roller of the first frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid of the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the second frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the third rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 1.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the fourth frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 1.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the fifth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the sixth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.2 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the seventh rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.05 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the eighth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and a dome arc is 0.01 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the ninth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid of which the base angle is far smaller than 60 degrees, the top outline is an arc with the radius of 6 mm, the arc is tangent to two sides of the trapezoid of the bottom outline, and the vertical distance between the tangent point and the top of the arc is 0.002 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the tenth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle far smaller than 60 degrees, the top outline is an arc with the radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between the tangent point and the top of the arc is 0.0001 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm, and the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass.
Furthermore, matched supporting rollers are arranged on the outer sides of the spindle-shaped special rollers of the tenth rack, and the supporting rollers are tightly attached to the outer surfaces of the spindle-shaped special rollers of the tenth rack so as to resist the roll bending deformation of the spindle-shaped special rollers of the tenth rack in the rolling process.
Furthermore, the single-frame flat roll is a smooth cylindrical flat roll, and a supporting roll is arranged on the outer side of the smooth cylindrical flat roll.
Compared with the prior art, the invention has the following beneficial effects:
1. the combination of the multi-pass axial splitting forming rolling procedure and the multi-pass special-shaped roller widening rolling procedure in the invention enables the metal material of the copper rod to extend along the direction vertical to the feeding direction in the rolling process as much as possible, thereby ensuring the width of the produced copper plate and improving the machinable utilization area of the copper plate;
2. the two sides of the surface profile of the working area of the wedge-shaped splitting forming roller are provided with the symmetrical flanges, so that the copper rod plays a role in centering and centering in the process of rolling and forming, and the stability in the rolling process is ensured;
3. the invention effectively saves the number of rollers and the rolling times of the copper plate rolling process of the copper rod.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing the structure of the guide-straightening process;
FIG. 3 is a schematic structural diagram of a multi-pass axial slicing forming rolling process;
FIG. 4 is a schematic structural diagram of a widening rolling process of a multi-pass special-shaped roll and a flat rolling process;
FIG. 5 is a schematic structural view showing the cross-sectional profile dimensions and relative positions of the working area and the copper bar of the wedge-cut forming rolls of the first to ninth frames;
FIG. 6 is a schematic cross-sectional deformation diagram of a copper bar formed by multi-pass axial cutting and rolling in each pass;
FIG. 7 is a schematic view showing the dimensions and relative positions of the working zones of the first to fourth frame spindle profile rolls and the cross-section of the copper bar;
FIG. 8 is a schematic view showing the dimensions and relative positions of the working zones of the fifth to eighth frame spindle-shaped profile rolls and the cross-section of the copper bar;
fig. 9 is a schematic diagram of the sizes and relative positions of the working zones of the ninth and tenth frame spindle profile rolls and the cross section of the copper bar.
Wherein, the reference numbers: 101-coiled copper rod; 102-a winch; 103-a guide roll; 104-horizontal straightening roller group; 105-vertical straightening roll-set; 201-a copper bar to be cut and formed after straightening; 202-a first frame wedge-shaped cutting forming roller; 203-a second frame wedge-shaped cutting forming roller; 204-a wedge-shaped splitting and forming roller of a third frame; 205-a wedge-shaped splitting and forming roller of a fourth frame; 206-a fifth frame wedge-shaped splitting and forming roller; 207-a sixth frame wedge-shaped cutting forming roller; 208-a seventh frame wedge-shaped splitting and forming roller; 209-an eighth frame wedge-shaped cutting forming roller; 210-a ninth frame wedge-shaped cutting forming roller; 301-cutting the formed copper bar to be widened and rolled; 302-a first frame spindle-type profiled roll; 303-a second frame spindle-type profiled roll; 304-a third frame spindle-type profiled roll; 305-a fourth frame spindle-type profiled roll; 306-a fifth frame spindle-type profiled roll; 307-sixth frame spindle-type profiled roll; 308-a seventh frame spindle-type profile roll; 309-eighth frame spindle-type profiled roll; 310-a ninth frame spindle-type profiled roll; 311-tenth frame spindle-type special-shaped roll; 312-support roll of tenth frame spindle-type profile roll; 313-smooth cylindrical flat rolls; 314-back-up rolls of smooth cylindrical flat rolls; 315-copper sheet coil.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.
Referring to the drawings, a concrete structure of an embodiment of a multi-process machining apparatus for rolling a wide copper plate from a copper bar and a method thereof according to the present invention is shown. The device comprises a guiding-straightening mechanism, a multi-pass axial splitting forming rolling mechanism, a multi-pass special-shaped roller widening rolling mechanism and a flat roller rolling mechanism; the guiding-straightening mechanism, the multi-pass axial splitting forming rolling mechanism, the multi-pass special-shaped roller widening rolling mechanism and the flat roller rolling mechanism are respectively and uniformly spaced and are sequentially arranged on the same horizontal straight line;
the guide-straightening mechanism comprises three frame guide rollers 103, a horizontal straightening roller set 104 and a vertical straightening roller set 105; the three-frame guide rollers 103, the horizontal straightening roller set 104 and the vertical straightening roller set 105 are sequentially arranged on the same horizontal straight line, the three-frame guide rollers 103 are respectively arranged at the upper side and the lower side of the same horizontal straight line, the horizontal straightening roller set 104 is positioned at the rear side of the three-frame guide rollers 103 and is respectively arranged at the left side and the right side of the same horizontal straight line, and the vertical straightening roller set 105 is positioned at the rear side of the horizontal straightening roller set 104 and is respectively arranged at the upper side and the lower side of the same horizontal straight line;
the multi-pass axial splitting forming rolling mechanism comprises two groups of nine-rack wedge-shaped splitting forming rollers; the two groups of nine-rack wedge-shaped splitting forming rollers are positioned at the rear side of the vertical straightening roller set 105 and are symmetrically arranged at the upper side and the lower side of the same horizontal straight line.
The nine-rack wedge-shaped cutting and forming roller comprises a first rack wedge-shaped cutting and forming roller 202, a second rack wedge-shaped cutting and forming roller 203, a third rack wedge-shaped cutting and forming roller 204, a fourth rack wedge-shaped cutting and forming roller 205, a fifth rack wedge-shaped cutting and forming roller 206, a sixth rack wedge-shaped cutting and forming roller 207, a seventh rack wedge-shaped cutting and forming roller 208, an eighth rack wedge-shaped cutting and forming roller 209 and a ninth rack wedge-shaped cutting and forming roller 210 which are sequentially arranged in a straight line;
the cross-sectional profile of the working area of the first frame wedge-shaped cutting forming roll 202 is an arc with the radius of 6 mm, and the distance between the arc top of the arc and the neutral surface of the copper bar is 10.5 mm.
The cross section profile of the working area of the second frame wedge-shaped splitting forming roller 203 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 7.5 mm.
The working area cross-sectional profile of the third frame wedge-cut profiled roll 204 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 7.5 mm.
The working area cross-sectional profile of the fourth frame wedge-cut profiled roll 205 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm.
The working area cross-sectional profile of the fifth frame wedge-slit forming roll 206 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm.
The working area cross-sectional profile of the sixth frame wedge-cut profiled roll 207 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 1.5 mm.
The working area cross-sectional profile of the seventh frame wedge-cut profiled roll 208 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 1.5 mm.
The working area cross-sectional profile of the eighth stand wedge-cut profiled roll 209 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 5 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm.
The working area cross-sectional profile of the ninth frame wedge-cut profiled roll 210 consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm.
In this embodiment, two sides of the bottom of the cross-sectional profile of the working area of the first to ninth frame wedge-shaped split forming rollers 202 to 210 are provided with symmetric flanges with a width of 8 mm, and the distance between the upper surface of each flange and the bottom of the cross-sectional profile of the working area of the forming roller is 1 mm.
The widening rolling mechanism of the multi-pass special-shaped roller comprises two groups of ten-rack spindle-shaped special-shaped rollers; the two groups of ten-frame spindle-shaped special rollers are respectively positioned at the rear side of the ninth frame wedge-shaped cutting-into-type roller 210 and symmetrically arranged at the upper side and the lower side of the same horizontal straight line.
The widening and rolling mechanism for the multi-pass special-shaped roller comprises a first rack spindle-shaped special-shaped roller 302, a second rack spindle-shaped special-shaped roller 303, a third rack spindle-shaped special-shaped roller 304, a fourth rack spindle-shaped special-shaped roller 305, a fifth rack spindle-shaped special-shaped roller 306, a sixth rack spindle-shaped special-shaped roller 307, a seventh rack spindle-shaped special-shaped roller 308, an eighth rack spindle-shaped special-shaped roller 309, a ninth rack spindle-shaped special-shaped roller 310 and a tenth rack spindle-shaped special-shaped roller 311 which are sequentially arranged in a straight line;
the cross section outline of the working area of the first frame spindle-shaped special-shaped roller 302 consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller 303 of the second rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller 304 of the third frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 1.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller 305 of the fourth frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between the tangent point and the top of the arc is 1.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the fifth frame spindle-shaped special-shaped roller 306 consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller 307 of the sixth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.2 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the seventh frame spindle-shaped special-shaped roller 308 consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.05 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the eighth frame spindle-shaped special-shaped roller 309 consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and a dome arc is 0.01 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller 310 of the ninth frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle far smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.002 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the tenth frame spindle-shaped special-shaped roller 311 consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle far smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.0001 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm, and the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass; and a supporting roller 312 of a tenth frame spindle-shaped special-shaped roller is arranged at the outer side of the tenth frame spindle-shaped special-shaped roller 311, the supporting roller 312 is tightly attached to the outer surface of the tenth frame spindle-shaped special-shaped roller 311 to resist the roll bending deformation of the tenth frame spindle-shaped special-shaped roller 311 in the rolling process.
The flat roll rolling mechanism is composed of a single-frame flat roll, the single-frame flat roll is a smooth cylindrical flat roll 313, and a supporting roll 314 of the smooth cylindrical flat roll is arranged on the outer side of the smooth cylindrical flat roll 313.
A multi-process method for rolling a wide copper plate from a copper bar, said method comprising the steps of:
s1, a guiding-straightening process: as shown in fig. 2, the copper bar 101 coiled on the winch 102 is drawn out by the three-stand guide roll 103 and is guided and conveyed to the horizontal straightening roll set 104 and the vertical straightening roll set 105 respectively, and the coiled copper bar 101 is straightened respectively in the horizontal direction and the vertical direction in the process to ensure the strip passing property and the centering property, so as to prepare for the subsequent rolling process;
s2, multi-pass axial cutting forming rolling procedure: as shown in fig. 3, the straightened copper bar 201 to be cut and formed is firstly rolled symmetrically on the upper and lower surfaces of the straightened copper bar by a first stand wedge-shaped cutting and forming roller 202 to form a groove with a curvature radius of 6 mm, then rolled by a second stand wedge-shaped cutting and forming roller 203 to form a groove with a wedge angle of 60 degrees along the grooves on the upper and lower sides of the former rolling and forming roller, the bottom curvature radius of which is less than 6 mm, and the wedge edge of the groove is tangent to the arc shape of the groove of the former, then the straightened copper bar 201 to be cut and formed is widened by a third stand wedge-shaped cutting and forming roller 304 along the wedge groove rolled by the former, the wedge angle is not changed, the curvature radius of the groove bottom is 6 mm, and then the straightened copper bar 201 is further rolled deeper by a fourth stand wedge-shaped cutting and forming roller 205 in a manner similar to the second stand wedge-shaped cutting and forming roller, the radius of curvature of the bottom of the groove is smaller, and in the same way, the copper bar 201 to be straightened and subjected to splitting molding sequentially passes through a fifth frame wedge-shaped splitting molding roller 206, a sixth frame wedge-shaped splitting molding roller 207, a seventh frame wedge-shaped splitting molding roller 208, an eighth frame wedge-shaped splitting molding roller 209 and a ninth frame wedge-shaped splitting molding roller 210, the radius of curvature of the bottom arc of the wedge-shaped groove on the upper surface and the lower surface of the copper bar is widened to 6 mm by the even frame wedge-shaped splitting molding roller, the radius of curvature of the bottom arc of the groove on the upper surface and the lower surface of the copper bar is rolled to be smaller by the odd frame wedge-shaped splitting molding roller, and the bottom of the groove is rolled to be deeper. As shown in fig. 5, the sizes and relative positions of the working area of the wedge-shaped split forming rolls 202 of the first stand and the cross-sectional profile of the copper bar 201, both sides of the rolling working surface profile of the wedge-shaped split forming rolls of all stands are provided with flanges in the process of the axial split forming process to ensure the centering property and the symmetry of the cross-sectional profile of the copper bar 201 to be split and formed after being straightened in the rolling process. The thickness of the axis of the copper rod 201 to be cut and formed after straightening is rolled to the thickness of the copper plate to be produced through the process, and the rest metal materials are symmetrically rolled to the two sides of the axis of the copper rod to prepare for the next rolling procedure;
s3, widening and rolling process of the multi-pass special-shaped roller: as shown in fig. 4, the copper bar 301 to be subjected to split forming and widening rolling first passes through a first frame spindle-shaped special-shaped roller 302, the shape of the outer surface profile of the working area of the first frame spindle-shaped special-shaped roller 302 is similar to the outer surface profile of the working area of the ninth frame wedge-shaped split forming roller 210, but the wedge angle is greater than 60 degrees, so that the metal materials on two sides of the axis of the copper bar 301 to be subjected to split forming and widening rolling can be extruded along the direction perpendicular to the axis of the copper bar by rolling through the first frame spindle-shaped special-shaped roller 302. Similarly, the thickness of the axis of the copper bar 301 to be widened after the copper bar is cut and formed is still not changed after the copper bar is rolled by the spindle-shaped profile roller 303 of the second frame, and the metal materials on the two sides of the copper bar are extruded continuously along the direction vertical to the feeding direction. By analogy, after rolling by the third frame spindle-shaped special-shaped roller 304, the fourth frame spindle-shaped special-shaped roller 305, the fifth frame spindle-shaped special-shaped roller 306, the sixth frame spindle-shaped special-shaped roller 307, the seventh frame spindle-shaped special-shaped roller 308, the eighth frame spindle-shaped special-shaped roller 309, the ninth frame spindle-shaped special-shaped roller 310 and the tenth frame spindle-shaped special-shaped roller 311, the thickness of the position of the axis of the copper bar 301 to be widened and rolled after cutting and forming is kept at the thickness of the copper plate to be produced, and the metal materials on two sides of the axis gradually extend in the direction vertical to the axis and are thinned to be close to a flat plate. Rolling the smooth cylindrical flat roll 313 in the flat roll rolling process to finally obtain a flat thin copper plate as wide as possible;
s4, flat rolling process: the copper plate is rolled completely by rolling with smooth cylindrical flat rolls 313 to roll the coiled copper rod 101 into a wide copper plate.
The working principle of the invention is as follows: when guiding and straightening are carried out on a coiled copper bar 101 on a winch 102, the coiled copper bar is continuously rolled by a three-frame guide roller 103 and is conveyed to the whole rolling process, and then is respectively rolled by a horizontal straightening roller group 104 and a vertical straightening roller group 105 for straightening; the copper bar comprises nine frames for continuous rolling when being cut and formed, wherein the upper side and the lower side of a straightened copper bar 201 are rolled into symmetrical grooves with the curvature radius of 6 mm by a first frame wedge-shaped cutting and forming roller 202 with a circular arc roller shape with the radius of 6 mm, and then a second frame wedge-shaped cutting and forming roller 203 with the wedge angle of 60 degrees and the radian of 3 mm continuously rolls deeper wedge-shaped grooves with the curvature radius of the bottom smaller along the position of the groove rolled in the previous step; by analogy, the curvature radius of the grooves at the bottom of the upper and lower surfaces of the odd-numbered copper bars is 6 mm, the rolling depth is unchanged, the curvature radius of the grooves at the bottom of the upper and lower surfaces of the even-numbered copper bars is reduced, and the grooves are rolled deeply; the wedge angle of the profile roll in all the passes is 60 degrees, and two sides of the working surface of the profile roll are provided with flanges so as to keep the centering and positioning effect on the copper bar in the rolling process; repeating the nine passes of the process until the thickness of the central axis position of the copper rod is rolled to the thickness of the copper rod to be produced; when the copper bar is subjected to widening rolling, the copper bar is continuously rolled by ten frames, the surface profile of the working area of the first frame spindle special-shaped roller 302 is basically the same as that of the working area of the wedge-shaped cutting type roller 210 of the ninth frame, but the wedge angle is larger, and the copper bar is subjected to widening extension rolling along a groove milled in the previous rolling pass; by analogy, each group of the spindle-shaped special-shaped rollers rolls along the wedge-shaped groove rolled by the previous pass, the roll shapes of the spindle-shaped special-shaped rollers are circular arcs with the radius of 6 mm, and the size of the wedge angle is gradually increased from pass to pass; after ten passes of rolling in this way, the surface profile of the working area of the tenth frame spindle-shaped profile roll 311 is close to that of a flat roll, and then the copper bar is finally rolled into a flat plate shape by rolling with a single frame smooth cylindrical flat roll 313 in the flat roll rolling process, and finally rolled into a copper plate coil 315 in the curling stage.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a multiple operation processingequipment of bar copper rolling broad copper, its characterized in that: the device comprises a guiding-straightening mechanism, a multi-pass axial splitting forming rolling mechanism, a multi-pass special-shaped roller widening rolling mechanism and a flat roller rolling mechanism; the guiding-straightening mechanism, the multi-pass axial splitting forming rolling mechanism, the multi-pass special-shaped roller widening rolling mechanism and the flat roller rolling mechanism are respectively and uniformly spaced and are sequentially arranged on the same horizontal straight line;
the guide-straightening mechanism comprises three rack guide rollers, a horizontal straightening roller set and a vertical straightening roller set; the three-rack guide rollers, the horizontal straightening roller set and the vertical straightening roller set are sequentially arranged on the same horizontal straight line, the three-rack guide rollers are respectively arranged on the upper side and the lower side of the same horizontal straight line, the horizontal straightening roller set is positioned on the rear side of the three-rack guide rollers and respectively arranged on the left side and the right side of the same horizontal straight line, and the vertical straightening roller set is positioned on the rear side of the horizontal straightening roller set and respectively arranged on the upper side and the lower side of the same horizontal straight line;
the multi-pass axial splitting forming rolling mechanism comprises two groups of nine-rack wedge-shaped splitting forming rollers; the two groups of nine-rack wedge-shaped splitting forming rollers are positioned at the rear side of the vertical straightening roller set and are symmetrically arranged at the upper side and the lower side of the same horizontal straight line;
the widening rolling mechanism of the multi-pass special-shaped roller comprises two groups of ten-rack spindle-shaped special-shaped rollers; the two groups of ten-rack spindle-shaped special rollers are respectively positioned at the rear sides of the two groups of nine-rack wedge-shaped splitting forming rollers and are symmetrically arranged at the upper side and the lower side of the same horizontal straight line;
the flat roll rolling mechanism is composed of a single-frame flat roll.
2. A multi-step process for rolling a wide copper plate from a copper bar using the apparatus of claim 1, comprising the steps of:
s1, a guiding-straightening process: the copper bar coiled on the winch is sequentially drawn, led out and straightened through continuous rolling of the three-rack guide roll, the horizontal straightening roll set and the vertical straightening roll set;
s2, multi-pass axial cutting forming rolling procedure: rolling the straightened copper bar axis to a target thickness by a nine-frame wedge-shaped cutting and parting roller continuous rolling and symmetrically extruding materials to two sides of the copper bar axis;
s3, widening and rolling process of the multi-pass special-shaped roller: extruding and flattening the materials on the two sides of the axis of the copper bar by each pass through continuous rolling of a spindle-shaped special roller with ten frames;
s4, flat rolling process: and completely rolling the copper plate by using a single-frame flat roll, and rolling the coiled copper rod into a wide copper plate.
3. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 1, wherein: the nine-rack wedge-shaped splitting forming roller comprises a first rack wedge-shaped splitting forming roller, a second rack wedge-shaped splitting forming roller, a third rack wedge-shaped splitting forming roller, a fourth rack wedge-shaped splitting forming roller, a fifth rack wedge-shaped splitting forming roller, a sixth rack wedge-shaped splitting forming roller, a seventh rack wedge-shaped splitting forming roller, an eighth rack wedge-shaped splitting forming roller and a ninth rack wedge-shaped splitting forming roller which are sequentially arranged in a straight line.
4. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 3, wherein: the cross section outline of the working area of the first machine frame wedge-shaped cutting forming roller is an arc with the radius of 6 mm, and the distance between the arc top of the arc and the neutral surface of the copper rod is 10.5 mm;
the cross section outline of the working area of the second frame wedge-shaped splitting forming roller consists of a bottom outline and a top outline; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 7.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the third rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 7.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the fourth machine frame consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the fifth rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 4.5 mm;
the cross section profile of the working area of the wedge-shaped splitting and forming roller of the sixth rack consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 3 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 1.5 mm;
the cross section profile of the working area of the seventh frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 1.5 mm;
the cross section profile of the working area of the eighth frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 5 mm, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper rod is 0.5 mm;
the cross section profile of the working area of the ninth frame wedge-shaped splitting forming roller consists of a bottom profile and a top profile; the bottom profile is an isosceles trapezoid with a base angle of 60 degrees, the top profile is an arc with a radius of 6 millimeters, and the arc is tangent to the waist of the isosceles trapezoid; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm.
5. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 4, wherein: and symmetrical flanges with the width of 8 mm are arranged on two sides of the bottom of the cross section of the working area of the first to ninth frame wedge-shaped cutting forming rollers, and the distance from the upper surfaces of the flanges to the bottom of the cross section of the working area of the profile roller is 1 mm.
6. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 1, wherein: the ten-frame spindle-shaped special-shaped roller comprises a first frame spindle-shaped special-shaped roller, a second frame spindle-shaped special-shaped roller, a third frame spindle-shaped special-shaped roller, a fourth frame spindle-shaped special-shaped roller, a fifth frame spindle-shaped special-shaped roller, a sixth frame spindle-shaped special-shaped roller, a seventh frame spindle-shaped special-shaped roller, an eighth frame spindle-shaped special-shaped roller, a ninth frame spindle-shaped special-shaped roller and a tenth frame spindle-shaped special-shaped roller which are sequentially arranged in a straight line.
7. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 6, wherein: the cross section outline of the working area of the spindle-shaped special-shaped roller of the first frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the second frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 2.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the third rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 1.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the fourth frame consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 1.0 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the fifth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.5 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the sixth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.2 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the seventh rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a bottom angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and the top of the arc is 0.05 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the eighth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle smaller than 60 degrees, the top outline is an arc with a radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between a tangent point and a dome arc is 0.01 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the ninth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid of which the base angle is far smaller than 60 degrees, the top outline is an arc with the radius of 6 mm, the arc is tangent to two sides of the trapezoid of the bottom outline, and the vertical distance between the tangent point and the top of the arc is 0.002 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm; the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass;
the cross section outline of the working area of the spindle-shaped special-shaped roller of the tenth rack consists of a bottom outline and a top outline, the bottom outline is an isosceles trapezoid with a base angle far smaller than 60 degrees, the top outline is an arc with the radius of 6 mm, the arc is tangent to two sides of the trapezoid with the bottom outline, and the vertical distance between the tangent point and the top of the arc is 0.0001 mm; the distance between the arc top of the arc and the neutral plane of the copper bar is 0.5 mm, and the total width of the working area of the roller is larger than the width of the rolled copper bar in the rolling process of the pass.
8. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 7, wherein: and supporting rollers matched with the spindle-shaped special-shaped rollers are arranged on the outer sides of the tenth rack spindle-shaped special-shaped rollers, and the supporting rollers are tightly attached to the outer surfaces of the spindle-shaped special-shaped rollers of the tenth rack so as to resist the roll bending deformation of the spindle-shaped special-shaped rollers of the tenth rack in the rolling process.
9. The multi-process machining apparatus for rolling a wide copper plate from a copper bar as claimed in claim 1, wherein: the single-frame flat roll is a smooth cylindrical flat roll, and a supporting roll is arranged on the outer side of the smooth cylindrical flat roll.
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| US5638714A (en) * | 1994-04-20 | 1997-06-17 | Fintube Limited Partnership | Process for making a strip from a rod |
| CN1530184A (en) * | 2003-03-13 | 2004-09-22 | 水城钢铁（集团）有限责任公司 | Four line divided bar rolling process |
| CN201150930Y (en) * | 2008-01-18 | 2008-11-19 | 河北理工大学 | Forced spread pass structure for strip milling |
| CN102615491A (en) * | 2011-01-31 | 2012-08-01 | 肖克建 | Processing method for copper material |
| CN103028601A (en) * | 2011-10-09 | 2013-04-10 | 北方工业大学 | Continuous rolling and continuous roller forming method and device thereof |
| CN102909218A (en) * | 2012-09-29 | 2013-02-06 | 河北唐银钢铁有限公司 | Medium- and finish-rolling pass structure for four-strand slitting in continuous rolling of phi12 deformed bars |
| CN103722009A (en) * | 2014-01-06 | 2014-04-16 | 攀枝花钢城集团有限公司 | Bar continuous rolling production line |
| CN105032936A (en) * | 2015-06-29 | 2015-11-11 | 四川省达州钢铁集团有限责任公司 | Slitting rolling technology |
| CN207288350U (en) * | 2017-09-22 | 2018-05-01 | 九江萍钢钢铁有限公司 | A kind of pass schedule of bar five-slitting rolling |
| CN109647879A (en) * | 2018-11-20 | 2019-04-19 | 宿迁南钢金鑫轧钢有限公司 | A kind of rolling device of symmetrical flat-bulb steel and its production technology of symmetrical flat-bulb steel |
| CN112792136A (en) * | 2021-01-29 | 2021-05-14 | 中冶华天南京工程技术有限公司 | Multi-segmentation rolling variable-aperture segmentation roller, multi-segmentation rolling variable-aperture segmentation rolling mill and rolling process |
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