CN105363778A - Two-roller cold rolling mill structure for copper rod - Google Patents
Two-roller cold rolling mill structure for copper rod Download PDFInfo
- Publication number
- CN105363778A CN105363778A CN201510842823.3A CN201510842823A CN105363778A CN 105363778 A CN105363778 A CN 105363778A CN 201510842823 A CN201510842823 A CN 201510842823A CN 105363778 A CN105363778 A CN 105363778A
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- China
- Prior art keywords
- roller
- lead
- copper bar
- block
- groove
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Classifications
-
- 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
- B21B1/16—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
- B21B39/165—Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a two-roller cold rolling mill structure for a copper rod. By using the two-roller cold rolling mill structure, the problem that trimming and crackling phenomena are easily generated in the rolling process of the copper rod by using the existing two-roller cold rolling mill structure for the copper rod can be solved, meanwhile, the problem of scratching the surface of the copper rod in the rolling process can be solved, and the machining quality is ensured. The two-roller cold rolling mill structure for the copper rod comprises a rack, a pair of roller devices and guide devices, wherein two rollers of the pair of roller devices are symmetrically arranged in the rack; the guide devices are set into two groups; the two groups of guide devices are symmetrically arranged at a copper rod inlet and a copper rod outlet of the rack; guide grooves are formed in the guide devices; roller half-grooves are formed in the peripheral surfaces of the rollers; and the two roller half-grooves of the two rollers are spliced to form a circumference-closed roller groove when two symmetric rollers are used for rolling the copper rod. The two-roller cold rolling mill structure for the copper rod is characterized in that the guide grooves and the roller groove are polygonal grooves which are same in shape and are axisymmetric.
Description
Technical field
The present invention relates to the cold rolling production equipment field of copper bar, be specially two roller copper bar cold-rolling mill structures.
Background technology
Two roller copper bar cold-rolling mills are generally used for the cold rolling processing of continuous multiple tracks of copper bar, and it has the features such as efficient, energy-conservation, refinement, strengthening copper bar texture, is road corollary equipment after the ideal of up-drawing method oxygen-free copper bar continuous casting line.General two roller copper bar cold-rolling mills roll by many groups are perpendicular the rolling completed successively with transverse rolling copper bar, each group is perpendicular roll or transverse rolling unit frame on all a pair roller is installed, for perpendicular milling train group, see Fig. 1, a pair roller about 2 symmetry is installed in frame 1, before frame, rear side is separately installed with one group of guide device 3, and before two groups of guide devices are arranged at roll respectively, rear side, guide device is provided with oval position guiding groove, roll is provided with oval knurling simultaneously, and the size of the more oval knurling of the size of oval position guiding groove is slightly large, see Fig. 2 and Fig. 3, when copper bar carries out roll, copper bar imports frame by the oval position guiding groove of bit preamble device, and derived in frame by the oval position guiding groove of rear guide device again after entering the oval knurling rolling of roll.Because the knurling of the position guiding groove on guide device, roll is ellipse, and because the size of position guiding groove is slightly large compared with the size of knurling, this just cause cross section be oval copper bar stressed after twist in position guiding groove, knurling, thus make copper bar in the operation of rolling, occur the mass defect such as overlap, crackling; Be sliding friction between copper bar and position guiding groove simultaneously, therefore also very easily abrade copper bar surface, affect copper bar surface quality.
Summary of the invention
For the problems referred to above, the invention provides two roller copper bar cold-rolling mill structures, it can solve copper bar that existing two roller copper bar cold-rolling mill structures exist and easily to set out in the operation of rolling problem of overlap, crackling phenomenon, can solve the scratch to copper bar surface in the operation of rolling simultaneously, guarantee crudy.
Its technical scheme is such,
Two roller copper bar cold-rolling mill structures, it comprises frame, a pair roller device and guide device, two roll symmetries of described a pair roller device are installed in described frame, described guide device is provided with two groups, described two groups of guide devices symmetry is installed on the Tong Gan import department of described frame, exit, described guide device is provided with position guiding groove, the outer peripheral face of described roll has roll half groove, the roll half groove split of two symmetrical roll two rolls when being rolled copper bar forms the knurling of a circumferential closure, it is characterized in that: described position guiding groove, knurling is the axisymmetric polygon groove of same shape, the fluting size being arranged at the position guiding groove on the guide device of frame Tong Gan import department is greater than the fluting size of described knurling, the fluting size of described knurling is greater than the fluting size of the position guiding groove be arranged on the copper bar exit guide device of described frame.
Preferably, described axisymmetric polygon groove is the polygon groove of even number of sides.
Further, described guide device comprise lead position cover and two lead a block, described two lead a block pass through described in lead copper bar entrance point or the port of export that position is installed on described frame with overlapping mutual mirror symmetry, described two installation directions of leading a block are identical with the installation direction of described two rolls, lead a block side in opposite directions has and lead position half groove for described two, described two lead a block mirror symmetry split after described two lead a block lead position half flute profile described position guiding groove closed circumferentially.
Further, lead between a block and be fastenedly connected by connecting bolt for described two, described two lead a block pass described in lead position cover after stretch in described frame, described lead position cover and described lead between a block fastening by hold-down bolt, described in lead position cover be installed on the copper bar entrance point lateral wall of described frame or the lateral wall of the port of export by set bolt.
Further, described in lead a block be provided with circumference positive stop lug boss, described in lead a block and described lead position overlap between by described positive stop lug boss axial limiting.
Further, each is organized two of described guide device and leads in a block and have with described two roll mandrels to parallel roller installation cavity, describedly lead a block just to a side of copper bar having the aperture with described roller installation cavity UNICOM, described two apertures of leading a block are just right, by roller shaft, roller is installed in described roller installation cavity, the outer peripheral face of described roller has roller groove, the roller groove of described roller is just to described orifice position, and copper bar is copper bar and described roller rolling friction in time leading in a block for two of described guide device.
Further, described roller groove groove bottom to the distance d1 between copper bar center line, be greater than described in lead position half groove groove bottom to the distance d2 between copper bar center line.
Further, lead in a block described in described roller shaft two ends are installed on by bearing, described bearing is by jump ring axial location.
After adopting said structure of the present invention, it is by by the position guiding groove of guide device, knurling, the octagon groove be all set at least twists after effectively avoiding copper bar stressed in the operation of rolling in guide and guard groove, knurling, thus effectively ensure that the distortion that copper bar is stable in roll, guarantee the rolling quality of copper bar; And roller devices is set in guide device, by two parallel and just to arrange roller contact with copper bar, realize the rolling friction between copper bar and roller, thus avoid copper bar in existing structure and the sliding friction led between the position guiding groove in a block and abrade the problem on copper bar surface, ensure the surface quality of copper bar.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing two roller copper bar cold-rolling mills;
Fig. 2 is that the A of Fig. 1 sprocket bit device is to structural representation;
Fig. 3 be in Fig. 1 B-B to partial schematic diagram;
Fig. 4 is the structural representation of two roller copper bar cold-rolling mills of the present invention;
Fig. 5 is that the C of Fig. 4 sprocket bit device is to structural representation;
Fig. 6 be in Fig. 4 D-D to close-up schematic view;
Fig. 7 be in Fig. 4 E-E to structure for amplifying schematic diagram.
Description of reference numerals in above-mentioned accompanying drawing: 1-frame, 2-roll, 21-knurling, 21 '-oval knurling, 3-guide device, 31-leads position cover, and 32a-leads a block, and 32b-leads a block, 33-position guiding groove, 33 '-oval position guiding groove, 34-connecting bolt, 35-hold-down bolt, 36-set bolt, 37-positive stop lug boss, 4a-roller, 41a-roller shaft, 42a-roller groove, 4b-roller, 41b-roller shaft, 42b-roller groove, 43-bearing, 44-jump ring, 5-copper bar.
Detailed description of the invention
Two roller copper bar cold-rolling mill structures of the present invention, it comprises frame 1, a pair roller device and guide device 3, two rolls 2 in a pair roller device are installed in frame 1 according to transverse rolling in actual production or perpendicular requirement lateral symmetry of rolling or vertical symmetry, the present embodiment rolls form for perpendicular, therefore two vertical symmetries of roll 2 are installed in frame 1, see Fig. 4, guide device 3 is provided with two groups, and two groups of guide device 3 symmetries are installed on Tong Gan import department and the exit of frame 1, guide device 3 comprise lead position cover 31 and two lead a block 32a, 32b, lead a block 32a for two, 32b is by leading copper bar entrance point or the port of export of position cover 31 mutual mirror symmetry ground installation frame 1, lead a block 32a for two, the installation direction of 32b is identical with the installation direction of two rolls 2, lead a block 32a for two in the present embodiment, the vertical mirror symmetry of 32b is installed in frame, lead a block 32a for two, a 32b side in opposite directions has and leads position half groove, lead a block 32a for two, the split of 32b mirror symmetry latter two lead a block 32a, 32b leads the position guiding groove guide device 33 that position half flute profile closes circumferentially, the outer peripheral face of two rolls 2 all has roll half groove, the roll half groove split of two symmetrical roll 2 two rolls when being rolled copper bar forms the knurling 21 of a circumferential closure, position guiding groove 33, knurling 22 is the axisymmetric polygon groove of same shape, axisymmetric polygon groove can be rhombus groove, regular pentagon groove, regular hexagon groove etc., be preferably the polygon groove of even number of sides, it is axisymmetric octagon groove in the present embodiment, see Fig. 5 and Fig. 6, lead for two and to be fastenedly connected by connecting bolt 34 between block 32a, 32b, lead block 32a, 32b for two stretches in frame 1 after leading position cover 31, lead position cover 31 and lead fastening respectively by hold-down bolt 35 between block 32a, 32b, leading position cover 31 and be installed on the copper bar entrance point lateral wall of frame 1 or the lateral wall of the port of export by set bolt 36, lead block 32a, 32b be equipped with circumference positive stop lug boss 37, lead block 32a, 32b and lead position overlap 31 between respectively by positive stop lug boss 37 axial limiting.
Also roller devices is installed in guide device 3, roller devices comprises two rollers 4a, 4b, lead in block 32a, 32b for two of guide device 3, respectively by roller shaft 41a, 41b, roller 4a, 4b are installed, the outer peripheral face of two rollers 4a, 4b has roller groove 42a, 42b, two rollers 4a, 4b are be arranged in parallel by respective roller shaft 41a, 41b and make roller groove 42a, 42b of two rollers just right, and two rollers 4a, 4b are axially parallel with two rolls 2; Distance d1 between the groove bottom of roller groove 42a, 42b to copper bar center line, be greater than the distance d2 led between position half groove to copper bar center line, roller shaft 41a, 41b two ends are installed on respectively by bearing 43 leads in a block, and bearing 43 is by jump ring 44 axial location.
In Fig. 1 and Fig. 4, F is to the cold rolling lead for copper bar 5 in the present embodiment, and its mid frame right-hand end is copper bar entrance point, and frame left-hand end is the copper bar port of export.
Because copper bar is carefully formed through multiple tracks rolling by roughing, thus the roller groove of frame Tong Gan import department and the fluting size of position guiding groove is positioned at bigger relative to the outlet fluting size of front road roll, the roller groove of frame Tong Gan import department and the fluting size of position guiding groove bigger relative to the fluting size of knurling, thus make copper bar after roll rolling, smoothly by the guide device in exit.
Claims (8)
1. two roller copper bar cold-rolling mill structures, it comprises frame, a pair roller device and guide device, two roll symmetries of described a pair roller device are installed in described frame, described guide device is provided with two groups, described two groups of guide devices symmetry is installed on the Tong Gan import department of described frame, exit, described guide device is provided with position guiding groove, the outer peripheral face of described roll has roll half groove, the roll half groove split of two symmetrical roll two rolls when being rolled copper bar forms the knurling of a circumferential closure, it is characterized in that: described position guiding groove, knurling is the axisymmetric polygon groove of same shape.
2. two roller copper bar cold-rolling mill structures according to claim 1, is characterized in that: described axisymmetric polygon groove is the polygon groove of even number of sides.
3. two roller copper bar cold-rolling mill structures according to claim 1 and 2, it is characterized in that: described guide device comprise lead position cover and two lead a block, described two lead a block pass through described in lead copper bar entrance point or the port of export that position is installed on described frame with overlapping mutual mirror symmetry, described two installation directions of leading a block are identical with the installation direction of described two rolls, lead a block has and lead position half groove for described two, described two lead a block mirror symmetry split after described two lead a block lead position half flute profile described position guiding groove closed circumferentially.
4. according to the two roller copper bar cold-rolling mill structures that claim 3 is stated, it is characterized in that: lead between a block and be fastenedly connected by connecting bolt for described two, described two lead a block pass described in lead position cover after stretch in described frame, described lead position cover and described lead between a block fastening by hold-down bolt, described in lead position cover be installed on the copper bar entrance point lateral wall of described frame or the lateral wall of the port of export by set bolt.
5. two roller copper bar cold-rolling mill structures according to claim 4, is characterized in that: described in lead a block be provided with circumference positive stop lug boss, described in lead a block and described lead position overlap between by described positive stop lug boss axial limiting.
6. two roller copper bar cold-rolling mill structures according to claim 4 or 5, it is characterized in that: each is organized two of described guide device and leads in a block and have with described two roll mandrels to parallel roller installation cavity, describedly lead a block just to a side of copper bar having the aperture with described roller installation cavity UNICOM, described two apertures of leading a block are just right, by roller shaft, roller is installed in described roller installation cavity, the outer peripheral face of described roller has roller groove, the roller groove of described roller is just to described orifice position, copper bar is copper bar and described roller rolling friction in time leading in a block for two of described guide device.
7. two roller copper bar cold-rolling mill structures according to claim 6, is characterized in that: the distance d1 between the groove bottom of described roller groove to copper bar center line, be greater than described in lead position half groove groove bottom to the distance d2 between copper bar center line.
8. two roller copper bar cold-rolling mill structures according to claim 7, is characterized in that: lead in a block described in described roller shaft two ends are installed on by bearing, described bearing is by jump ring axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510842823.3A CN105363778B (en) | 2015-11-29 | 2015-11-29 | Two roller copper bar cold-rolling mill structures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510842823.3A CN105363778B (en) | 2015-11-29 | 2015-11-29 | Two roller copper bar cold-rolling mill structures |
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| Publication Number | Publication Date |
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| CN105363778A true CN105363778A (en) | 2016-03-02 |
| CN105363778B CN105363778B (en) | 2019-05-21 |
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| CN201510842823.3A Active CN105363778B (en) | 2015-11-29 | 2015-11-29 | Two roller copper bar cold-rolling mill structures |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069302A (en) * | 2019-12-19 | 2020-04-28 | 合肥东方节能科技股份有限公司 | Position guide device structure of rolling mill capable of correcting deviation |
| CN115921526A (en) * | 2022-11-15 | 2023-04-07 | 正威(东阳)新材料科技有限公司 | High-efficient copper pole rolling mill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805475A1 (en) * | 1988-02-22 | 1989-08-31 | Schloemann Siemag Ag | DEVICE FOR ROLLING GOODS BETWEEN THE ROLLS OF A ROLLING DEVICE |
| CN2601757Y (en) * | 2003-01-24 | 2004-02-04 | 中国人民解放军海军上海工程机械厂 | Two roller copper baf cold rolling machine |
| CN200939466Y (en) * | 2006-06-16 | 2007-08-29 | 青岛钢铁控股集团有限责任公司 | Intake pilot guard for hot rolled circular steel products |
| CN201140224Y (en) * | 2007-12-25 | 2008-10-29 | 合肥市百胜科技发展有限公司 | Rolling outlet guide panel with matched groove shape and rolled piece hole shape |
| CN201275557Y (en) * | 2008-09-18 | 2009-07-22 | 江苏明璐不锈钢有限公司 | Spring compacting type hot-rolling high-speed ellipse wire rolled piece inlet guide |
| CN104607462A (en) * | 2015-02-04 | 2015-05-13 | 抚顺特殊钢股份有限公司 | Design of large round hole pattern and guide device for blooming mill with single machine frame |
| CN205183322U (en) * | 2015-11-29 | 2016-04-27 | 无锡超洲科技有限公司 | Two roller copper pole cold rolling mill structures |
-
2015
- 2015-11-29 CN CN201510842823.3A patent/CN105363778B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805475A1 (en) * | 1988-02-22 | 1989-08-31 | Schloemann Siemag Ag | DEVICE FOR ROLLING GOODS BETWEEN THE ROLLS OF A ROLLING DEVICE |
| CN2601757Y (en) * | 2003-01-24 | 2004-02-04 | 中国人民解放军海军上海工程机械厂 | Two roller copper baf cold rolling machine |
| CN200939466Y (en) * | 2006-06-16 | 2007-08-29 | 青岛钢铁控股集团有限责任公司 | Intake pilot guard for hot rolled circular steel products |
| CN201140224Y (en) * | 2007-12-25 | 2008-10-29 | 合肥市百胜科技发展有限公司 | Rolling outlet guide panel with matched groove shape and rolled piece hole shape |
| CN201275557Y (en) * | 2008-09-18 | 2009-07-22 | 江苏明璐不锈钢有限公司 | Spring compacting type hot-rolling high-speed ellipse wire rolled piece inlet guide |
| CN104607462A (en) * | 2015-02-04 | 2015-05-13 | 抚顺特殊钢股份有限公司 | Design of large round hole pattern and guide device for blooming mill with single machine frame |
| CN205183322U (en) * | 2015-11-29 | 2016-04-27 | 无锡超洲科技有限公司 | Two roller copper pole cold rolling mill structures |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069302A (en) * | 2019-12-19 | 2020-04-28 | 合肥东方节能科技股份有限公司 | Position guide device structure of rolling mill capable of correcting deviation |
| CN115921526A (en) * | 2022-11-15 | 2023-04-07 | 正威(东阳)新材料科技有限公司 | High-efficient copper pole rolling mill |
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| Publication number | Publication date |
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| CN105363778B (en) | 2019-05-21 |
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