CN103056621B - Cold drawing processing technology of rocker support rod of spinning frame - Google Patents
Cold drawing processing technology of rocker support rod of spinning frame Download PDFInfo
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Abstract
The invention relates to a cold drawing processing technology of a rocker support rod of a spinning frame. The cold drawing processing technology includes steps of (1) cold drawing of a V-shaped slot for the first time; (2) annealing for the first time; (3) rough drawing of shape for the second time; (4) annealing for the second time; (5) fine drawing of the shape for the third time; (6) straightening; (7) fixed-length milling of a step; (8) hole drilling; (9) chambering; (10) deburring; and (11) surface treating. The cold drawing processing technology of the rocker support rod is simple in steps, high in automation degree, uniform in forming and stable in quality, and adopts special equipment, clamps and tools. Further, the cold-drawn rocker support rod is good in uniformity of an outer circle, and the 100-degree V-shaped slot is good in uniformity, provides the basis for accuracy and flexibility in positions of various components of a drafting part of the spinning frame, and is convenient to match with various rockers. The surface of the cold-drawn rocker support rod can be in various specifications, thereby being convenient to use by users.
Description
Technical field
The present invention relates to spinning frame rocker support rod field shaping technique, be specifically related to a kind of cold drawing process of spinning frame rocker support rod.
Background technology
Rocker support rod is the important kit of one in spinning frame drafting unit, it provides installation foundation and mechanics fulcrum for other vital parts in drafting unit, and drafting unit requires that rocker support rod has good linearity simultaneously, is shaped consistent, hardness is high, resistant to bending feature.These require to ensure when reel cage being installed and pressurizes that position is accurate, pressure stability.So the Forming Quality of rocker support rod directly affects the fit quality of spinning frame drafting unit.At present, the manufacturing procedure of existing preparation rocker support rod is: saw material, and------------------------surface treatment is zinc-plated in reaming---deburring---in boring for fixed length milling step for milling " V " shape groove for cylindrical grinding for turning for centering in alignment.There is following shortcoming in this process converted products: operation is long, and employment is many, and production efficiency is low; " V " type Slot shaping is poor and machined surface has knife mark, and notch forms sharp-pointed tough mouth, easy oarsman; Material surface hardness is low, forms the depth of cup during cradle pressure exerting at " V " type groove; Surface treatment galvanized anticorrosive erosion ability, easily produces electrostatic in the course of work.
Summary of the invention
The object of this invention is to provide a kind of not only convenient, efficient but also can meet the good linearity of rocker support rod, hardness is high, resistant to bending processing technology.
The technical solution used in the present invention: a kind of cold drawing process of spinning frame rocker support rod, comprises the following steps:
(1) the cold drawn V-type groove of first, the annealing of (2) first time, the rough profile of (3) second, the annealing of (4) second time, (5) the 3rd road finish draw profiles, (6) alignment, (7) fixed length milling step, (8) hole, (9) reaming, (10) deburring, (11) surface treatment.
Described first cold drawn V-type groove: pole blank is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
Described first time annealing, annealing temperature is: 680oC, and annealing time is: 4 hours;
The rough profile of described second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
Described second time annealing, annealing temperature is: 680oC, and annealing time is: 5 hours;
The 3rd described road finish draw profile: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
Described surface treatment adopts ability cathode electrophoresis to face coat on rocker support rod surface obtained for step (10), and described cathodic electrocoat thickness is 0.15mm-0.2mm.
Described surface treatment can also adopt zinc electroplating with iridescent yellow chromate conversion coating and hard chrome plating, and the coating layer thickness of zinc electroplating with iridescent yellow chromate conversion coating is 0.01mm-0.3mm, and chromed hardened coating layer thickness is 0.007mm-0.012mm.
The present invention compared with prior art has following beneficial effect: the more original processing method operation of this technique is simple, special equipment, special fixture, dedicated tool, and automaticity is high, unanimously shaping, steady quality; Secondly the uniformity of cold drawn rocker support rod cylindrical and 100 ° " V ", for spinning frame drafting unit each several part part position correct, lay a good foundation flexibly, be convenient to and the coordinating of all kinds of reel cage, be conducive to simultaneously maintenance operation convenient, adjust time saving and energy saving.Hardness HB135 ~ 145 of cold drawn rocker support rod material surface, during Pendulum Weighting Arm System, the impression in rocker support rod " V " shape groove reduces, and makes drafting system more stable, also extends the service life of rocker support rod, surperficial plurality of specifications, facilitate client to select.
Detailed description of the invention
Embodiment 1
A cold drawing process for spinning frame rocker support rod, comprises the following steps:
(1) first cold drawn V-type groove: the A3 rod iron of Φ 32 is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
(2) first time annealing: carry out first time annealing after the process of first cold drawn V-type groove, annealing temperature is: 680oC, and annealing time is: 4 hours;
(3) the rough profile of second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
(4) second time annealing: carry out second time annealing after the rough profile process of second, annealing temperature is: 680oC, and annealing time is: 5 hours;
(5) the 3rd road finish draw profiles: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
(6) alignment: use straightener alignment, control linearity is 0.1mm;
(7) fixed length milling step; (8) hole; (9) reaming;
(10) deburring, two chamfers, the sanding of falling groove.
(11) surface treatment electrophoresis; Rocker support rod surface obtained for step (10) is adopted ability cathode electrophoresis, and to rocker support rod face coat, cathodic electrocoat thickness is 0.15mm.
Embodiment 2
A cold drawing process for spinning frame rocker support rod, comprises the following steps:
(1) first cold drawn V-type groove: the A3 rod iron of Φ 32 is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
(2) first time annealing: carry out first time annealing after the process of first cold drawn V-type groove, annealing temperature is: 680oC, and annealing time is: 4 hours;
(3) the rough profile of second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
(4) second time annealing: carry out second time annealing after the rough profile process of second, annealing temperature is: 680oC, and annealing time is: 5 hours;
(5) the 3rd road finish draw profiles: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
(6) alignment: use straightener alignment, control linearity is 0.1mm;
(7) fixed length milling step; (8) hole; (9) reaming;
(10) deburring, two chamfers, the sanding of falling groove.
(11) surface treatment electrophoresis; Rocker support rod surface obtained for step (10) is adopted ability cathode electrophoresis, and to rocker support rod face coat, cathodic electrocoat thickness is 0.18mm.
Embodiment 3
A cold drawing process for spinning frame rocker support rod, comprises the following steps:
(1) first cold drawn V-type groove: the A3 rod iron of Φ 32 is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
(2) first time annealing: carry out first time annealing after the process of first cold drawn V-type groove, annealing temperature is: 680oC, and annealing time is: 4 hours;
(3) the rough profile of second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
(4) second time annealing: carry out second time annealing after the rough profile process of second, annealing temperature is: 680oC, and annealing time is: 5 hours;
(5) the 3rd road finish draw profiles: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
(6) alignment: use straightener alignment, control linearity is 0.1mm;
(7) fixed length milling step; (8) hole; (9) reaming;
(10) deburring, two chamfers, the sanding of falling groove.
(11) surface treatment electrophoresis; Rocker support rod surface obtained for step (10) is adopted ability cathode electrophoresis, and to rocker support rod face coat, cathodic electrocoat thickness is 0.2mm.
Following table is the contrast table of the rocker support rod of processing technology of the present invention making and the rocker support rod aspect of performance of former processing method, in table 1.
Table 1
Visible, the hardness of the rocker support rod of this processing technology, " V " type groove uniformity, the performance of reel cage trial assembly surface scratch all increases significantly.
Embodiment 4
A cold drawing process for spinning frame rocker support rod, comprises the following steps:
(1) first cold drawn V-type groove: the A3 rod iron of Φ 32 is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
(2) first time annealing: carry out first time annealing after the process of first cold drawn V-type groove, annealing temperature is: 680oC, and annealing time is: 4 hours;
(3) the rough profile of second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
(4) second time annealing: carry out second time annealing after the rough profile process of second, annealing temperature is: 680oC, and annealing time is: 5 hours;
(5) the 3rd road finish draw profiles: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
(6) alignment: use straightener alignment, control linearity is 0.1mm;
(7) fixed length milling step; (8) hole; (9) reaming;
(10) deburring, two chamfers, the sanding of falling groove.
(11) surface treatment electrophoresis; Rocker support rod surface obtained for step (10) is adopted zinc electroplating with iridescent yellow chromate conversion coating, and to rocker support rod face coat, coating layer thickness is 0.15mm.
Embodiment 5
A cold drawing process for spinning frame rocker support rod, comprises the following steps:
(1) first cold drawn V-type groove: the A3 rod iron of Φ 32 is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
(2) first time annealing: carry out first time annealing after the process of first cold drawn V-type groove, annealing temperature is: 680oC, and annealing time is: 4 hours;
(3) the rough profile of second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
(4) second time annealing: carry out second time annealing after the rough profile process of second, annealing temperature is: 680oC, and annealing time is: 5 hours;
(5) the 3rd road finish draw profiles: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
(6) alignment: use straightener alignment, control linearity is 0.1mm;
(7) fixed length milling step; (8) hole; (9) reaming;
(10) deburring, two chamfers, the sanding of falling groove.
(11) surface treatment electrophoresis; Rocker support rod surface obtained for step (10) is adopted hard chrome plating, and to rocker support rod face coat, coating layer thickness is 0.01mm.
Claims (1)
1. a cold drawing process for spinning frame rocker support rod, is characterized in that comprising the following steps:
(1) the cold drawn V-type groove of first, the annealing of (2) first time, the rough profile of (3) second, the annealing of (4) second time, (5) the 3rd road finish draw profiles, (6) alignment, (7) fixed length milling step, (8) hole, (9) reaming, (10) deburring, (11) surface treatment;
Described first cold drawn V-type groove: pole blank is placed in two roller cold drawing die and carries out the process of first cold drawn V-type groove, select the protruding 5.5mm of cold drawn mould top roll, shaping 100o, by the process of first cold drawn V-type groove, obtains the V-type groove of groove depth 5.5mm, shaping 100o on pole blank cylindrical;
Described first time annealing: annealing temperature is 680oC, and annealing time is 4 hours;
The rough profile of described second: select mould internal diameter Φ 30 mm, interior circular top part is provided with 5.5mm, the cold drawing die of shaping 100o projection carries out the rough profile process of second; Obtain the rocker support rod a of V-type groove of external diameter Φ 30mm, groove depth 5.5mm, shaping 100o;
Described second time annealing: annealing temperature is 680oC, and annealing time is 5 hours;
The 3rd described road finish draw profile: select mould internal diameter Φ 28 mm, the 3rd road finish draw profile process is carried out with the cold drawing die of 5.5mm, shaping 100o projection in inner circle top; Obtain the rocker support rod b of V-type groove of external diameter Φ 28mm, groove depth 5.5mm, shaping 100o;
Described surface treatment adopts ability cathode electrophoresis to face coat on rocker support rod surface obtained for step (10), and cathodic electrocoat thickness is 0.15mm-0.2mm.
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| CN201310002297.0A CN103056621B (en) | 2013-01-06 | 2013-01-06 | Cold drawing processing technology of rocker support rod of spinning frame |
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| CN201310002297.0A CN103056621B (en) | 2013-01-06 | 2013-01-06 | Cold drawing processing technology of rocker support rod of spinning frame |
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| CN103056621B true CN103056621B (en) | 2015-02-11 |
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| CN108421889B (en) * | 2018-04-20 | 2024-03-19 | 晋中经纬冷拉型钢机械制造有限公司 | Preparation method of cradle support rod cold extrusion V-shaped groove and cold extrusion grooving equipment |
| CN111715726A (en) * | 2019-03-18 | 2020-09-29 | 佛山市科鸿美威电器有限公司 | Equal-diameter three-way hole drawing and poking process and implementation method thereof |
| CN113601166B (en) * | 2021-08-09 | 2023-04-25 | 湖北唯思凌科装备制造有限公司 | Assembling device for cradle sub-assembly of spinning frame |
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| US6173495B1 (en) * | 1999-05-12 | 2001-01-16 | Trw Inc. | High strength low carbon air bag quality seamless tubing |
| TW200526350A (en) * | 2004-02-13 | 2005-08-16 | Kabo Tool Co | Manufacturing process of wrench |
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| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
| CN102773674A (en) * | 2012-08-11 | 2012-11-14 | 安徽省小小科技实业有限责任公司 | Hot forging, cold drawing composite molding process of bowl-shaped piece |
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2013
- 2013-01-06 CN CN201310002297.0A patent/CN103056621B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696805A (en) * | 1979-12-29 | 1981-08-05 | Fuji Electric Co Ltd | Manufacture of electromagnetic iron core |
| US6173495B1 (en) * | 1999-05-12 | 2001-01-16 | Trw Inc. | High strength low carbon air bag quality seamless tubing |
| TW200526350A (en) * | 2004-02-13 | 2005-08-16 | Kabo Tool Co | Manufacturing process of wrench |
| CN101829880A (en) * | 2009-03-10 | 2010-09-15 | 孙江强 | Production process for silicon bronze bar for railway electrification |
| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
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Effective date of registration: 20160406 Address after: 030601 130 Jingwei Road, Yuci District, Shanxi, Jinzhong Patentee after: JINZHONG JINGWEI YUXIN MACHINERY CO., LTD. Address before: 030601 130 Jingwei Road, Yuci District, Shanxi, Jinzhong Patentee before: Three Plants, Shanxi Jingwei Heli Machinofacture Co., Ltd. |