CN104668919A - Process for machining special winding gears for transformers with roll iron cores - Google Patents
Process for machining special winding gears for transformers with roll iron cores Download PDFInfo
- Publication number
- CN104668919A CN104668919A CN201510014978.8A CN201510014978A CN104668919A CN 104668919 A CN104668919 A CN 104668919A CN 201510014978 A CN201510014978 A CN 201510014978A CN 104668919 A CN104668919 A CN 104668919A
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- workpiece
- gears
- machining
- winding
- locator card
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
The invention discloses a process for machining special winding gears for transformers with roll iron cores. The process includes steps of selecting materials; machining outer circles and end surfaces; machining inner circles; drilling holes, tapping threads and milling the holes and grooves; hobbing gears; carrying out high-frequency induction heat treatment on the gears; grinding the gears; linearly cutting the gears; positioning, clamping and machining the gears, and the like. The process for machining the special winding gears for the transformers with the roll iron cores has the advantages that positioning triangles are arranged on workpieces, each workpiece is cut into halves, and accordingly the special winding gears and frameworks of winding machines can be conveniently mounted and conveniently assembled; T-shaped bosses are arranged on the workpieces by means of machining, low-voltage line holes and oblong slotted holes are formed in the workpieces by means of machining, and accordingly winding can be facilitated to a great extent; the integral workpieces are made of number-45 steel, high-frequency induction heat treatment and grinding treatment are combined with each other, accordingly, the hardness, the abrasion resistance and the precision of the integral gears can be guaranteed, and the gears are long in service life.
Description
Technical field
The present invention relates to reel iron core transformer Winder manufacture field, particularly relate to the special coiling Gearmaking Technology of a kind of reel iron core transformer.
Background technology
One of Wound iron-core transformer key technology how conveniently on the three dimensional wound core transformer closed, to carry out coil winding.Existing three dimensional wound core transformer coil winding technology is on the stem of three dimensional wound core, install the positioner of a band coiling gear, then on gear edge, places cardboard or epoxy fabric swatch.
Require higher when the shortcoming one of this winding method is mounting and positioning device, must ensure that the positioner concentricity at two is very high, otherwise the iron core that easily rubs when coiling, cause completing coiling, therefore the set-up time is longer.Shortcoming two is if when selecting cardboard as coiling inner support, and also easily stem friction occurs during coiling, cannot return coiling again if there is problem during coiling, whole coil will coiling again.And the easy deliquescing of cardboard in the environment that south is moister, cause gear to rotate, also can affect the coiling of coil, even cause scrapping of whole coil.Therefore the production efficiency of the method is not high, easily goes wrong and cause waste in winding process.
Therefore the key factor that how can the coiling of simple and fast have become three dimensional wound core transformer apply on the stem closed also is that transformer industry is paid close attention to always and urgently improves the major issue of solution!
Summary of the invention
The object of the present invention is to provide a kind of special coiling Gearmaking Technology of reel iron core transformer being convenient to assemble.
For reaching above object, the present invention adopts following technical scheme.
The special coiling Gearmaking Technology of a kind of reel iron core transformer, is characterized in that, comprise the following steps:
The first step is selected materials, and chooses suitable workpiece to be processed, determines the centre of location of workpiece to be processed, then at start drill fixing hole;
Second step processing excircles and end face, rough turned piece cylindrical, then fine turning outer circle on lathe, finally carry out thick and finish turning respectively to workpiece both sides end face;
3rd step processing inner circle, first first heavy boring workpiece inner circle on lathe, removes the surplus that workpiece is too much; Right boring workpiece inner circle again;
4th step drilling and tapping with and hole milling groove milling, comprise following four small steps, 1) hole in the clamp position of workpiece, be used for card low-voltage line, 2) boring tapping are carried out in position corresponding to the locator card screw of workpiece, 3) at the oval slotted eye of workpiece milling, card high-voltage line is used for, 4) groove milling is carried out in the locator card corresponding position of workpiece, so that the positioning sleeve after allowing is entered;
5th step gear hobbing, carries out gear hobbing to foreign round and forms teeth;
6th step High frequency induction hardening, carries out High frequency induction hardening to the flank of tooth, strengthens tooth face hardness and wearability;
7th step grinding, carries out roll flute process to teeth, to eliminate the distortion after heat treatment, and improves the accuracy of gear;
8th step Linear cut, comprises the following steps: 1) carry out Linear cut in the skeleton fixed position of workpiece, then inlayed into by orientation triangle, then spot welding is fixed, and forms orientation triangle;
2) carry out Linear cut in the low pressure head of the winding of workpiece and all positions of T word boss, then the spot welding of T word boss is fixed, and allow T word boss compress the low pressure head of winding;
3) workpiece there is T word boss and do not have T word boss double, both sides Linear cut to open;
4) inner circle is cut, form positioning rib.
Further illustrating as such scheme, it also comprises locator card procedure of processing, first selects one block of suitable blank to carry out thick finish turning to it, makes locator card end face bright and clean; Then Linear cut goes out shape needed for locator card and size, can pack into corresponding vallecular cavity; Finally, locator card being holed, preparing for locking the cut gear opening two halves.
Further illustrating as such scheme, described workpiece is No. 45 steel.
The special coiling Gearmaking Technology of a kind of reel iron core transformer provided by the invention, by arranging orientation triangle on workpiece, and half-and-half cutting workpiece, conveniently realizing the installation of special coiling gear and coil winding machine skeleton, easy to assembly.Meanwhile, by processing T word boss, low pressure string holes and oval slotted eye on workpiece, coiling is very convenient.In addition, a whole set of workpiece adopts No. 45 steel to make, and in conjunction with High frequency induction hardening and grinding process, ensure that the hardness of whole gear, abrasion resistance and precision, long service life.
Accompanying drawing explanation
Figure 1 shows that reel iron core transformer coiling Gearmaking Technology flow chart provided by the invention;
Figure 2 shows that the special coiling gear structure schematic diagram of machine-shaping;
Figure 3 shows that special coiling gear assembling assumption diagram.
Description of reference numerals:
1, low pressure string holes, 2, locating hole, 3, oval slotted eye, 4, orientation triangle, 5, T word boss, 6, positioning rib.
Detailed description of the invention
Understand essence of the present invention better for convenience of those of ordinary skill in the art, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1-Figure 3, the special coiling Gearmaking Technology of a kind of reel iron core transformer, comprises the following steps:
First step step1 selects materials, and first chooses No. 45 steel as workpiece to be processed, for operation is afterwards prepared according to part requirements.Then determine the centre of location, guarantee the requirement of size conforms workpiece; Last at start drill fixing hole, fixing use during processing work after being used for.
Second step step2 processing excircles and end face, rough turned piece cylindrical on lathe, removes the surplus that blank is too much.And then fine turning outer circle, for gear hobbing is prepared afterwards.For reaching purpose of design, also thick and finish turning are carried out respectively to workpiece both sides end face.
3rd step step3 processes inner circle, first heavy boring workpiece inner circle on lathe, removes the surplus that workpiece is too much; Right boring workpiece inner circle again, to reach design accuracy requirement.
4th step step4 drilling and tapping with and hole milling groove milling, comprise following four small steps, 1) brill low pressure string holes 1 is carried out in the clamp position of workpiece, be used for card low-voltage line, 2) brill locating hole 2 tapping are carried out in position corresponding to the locator card screw of workpiece, 3) at the oval slotted eye 3 of workpiece milling, card high-voltage line is used for, 4) groove milling is carried out in the locator card corresponding position of workpiece, so that the positioning sleeve after allowing is entered.
5th step step5 gear hobbing, carries out gear hobbing to foreign round and forms teeth.
6th step step6 High frequency induction hardening, carries out High frequency induction hardening to the flank of tooth, strengthens tooth face hardness and wearability.
7th step step7 grinding, carries out roll flute process to teeth, to eliminate the distortion after heat treatment, and improves the accuracy of gear.
8th step Sep8 Linear cut, comprising: 1) carry out Linear cut to skeleton fixed triangle position, then inlayed into by orientation triangle, then spot welding is fixed, and forms orientation triangle 4.
2) winding low pressure to be lifted one's head and Linear cut is carried out in all positions of T word boss 5, then the spot welding of T word boss 5 is fixed, and allow T word boss 5 compress to lift one's head.
3) gear is divided there is T word boss 5 and do not have T word boss 5 double, both sides Linear cut to open, drive skeleton to rotate to allow the gear card skeleton on coil winding machine.
4) cutting is carried out to inner circle and form positioning rib 6, be used for sticking the groove of skeleton edges, prevent skeleton from moving left and right.
9th step step9 locating and machining card 7, first selects one block of suitable blank to carry out thick finish turning to it, makes locator card end face bright and clean; Then Linear cut goes out shape needed for locator card and size, can pack into corresponding vallecular cavity; Finally, locator card being holed, preparing for locking the cut gear opening two halves.
In other embodiments, before locator card procedure of processing can be moved to the first step or in the first step and the 8th step between any two steps, the present embodiment is not limited to.
Above detailed description of the invention has been described in detail essence of the present invention, but can not limit protection scope of the present invention with this.Apparently, under the enlightenment of essence of the present invention, the art those of ordinary skill also can carry out many improvement and modification, it should be noted that these improve and modify and all drops within claims of the present invention.
Claims (3)
1. the special coiling Gearmaking Technology of reel iron core transformer, is characterized in that, comprise the following steps: the first step is selected materials, choose suitable workpiece to be processed, determine the centre of location of workpiece to be processed, then at start drill fixing hole;
Second step processing excircles and end face, rough turned piece cylindrical, then fine turning outer circle on lathe, finally carry out thick and finish turning respectively to workpiece both sides end face;
3rd step processing inner circle, first first heavy boring workpiece inner circle on lathe, removes the surplus that workpiece is too much; Right boring workpiece inner circle again;
4th step drilling and tapping with and hole milling groove milling, comprise following four small steps, 1) hole in the clamp position of workpiece, be used for card low-voltage line, 2) boring tapping are carried out in position corresponding to the locator card screw of workpiece, 3) at the oval slotted eye of workpiece milling, card high-voltage line is used for, 4) groove milling is carried out in the locator card corresponding position of workpiece, so that the positioning sleeve after allowing is entered;
5th step gear hobbing, carries out gear hobbing to foreign round and forms teeth;
6th step High frequency induction hardening, carries out High frequency induction hardening to the flank of tooth, strengthens tooth face hardness and wearability;
7th step grinding, carries out roll flute process to teeth, to eliminate the distortion after heat treatment, and improves the accuracy of gear; 8th step Linear cut, comprises the following steps: 1) carry out Linear cut in the skeleton fixed position of workpiece, then inlayed into by orientation triangle, then spot welding is fixed, and forms orientation triangle;
2) carry out Linear cut in the low pressure head of the winding of workpiece and all positions of T word boss, then the spot welding of T word boss is fixed, and allow T word boss compress the low pressure head of winding;
3) workpiece there is T word boss and do not have T word boss double, both sides Linear cut to open;
4) inner circle is cut, form positioning rib.
2. the special coiling Gearmaking Technology of a kind of reel iron core transformer according to claim 1, is characterized in that, also comprise locator card procedure of processing, first selects one block of suitable blank to carry out thick finish turning to it, makes locator card end face bright and clean; Then Linear cut goes out shape needed for locator card and size, can pack into corresponding vallecular cavity; Finally, locator card being holed, preparing for locking the cut gear opening two halves.
3. the special coiling Gearmaking Technology of a kind of reel iron core transformer according to claim 1, is characterized in that, described workpiece is No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014978.8A CN104668919B (en) | 2015-01-12 | 2015-01-12 | Process for machining special winding gears for transformers with roll iron cores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014978.8A CN104668919B (en) | 2015-01-12 | 2015-01-12 | Process for machining special winding gears for transformers with roll iron cores |
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| CN104668919A true CN104668919A (en) | 2015-06-03 |
| CN104668919B CN104668919B (en) | 2017-02-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735484A (en) * | 2016-12-20 | 2017-05-31 | 哈尔滨电气动力装备有限公司 | Shield electric machine stator core tooth support end milling groove processing technology |
| CN108098277A (en) * | 2017-12-29 | 2018-06-01 | 德阳天和机械制造有限责任公司 | A kind of method using cold screw cutter processing screw thread in diamond |
| CN108453482A (en) * | 2018-05-15 | 2018-08-28 | 上海普锐赛司实业有限公司 | The processing method for sliding belt wheel |
| CN112917111A (en) * | 2021-03-05 | 2021-06-08 | 山东华成中德传动设备有限公司 | Method for machining split crankshaft gear for diesel engine |
| CN113814680A (en) * | 2021-09-26 | 2021-12-21 | 中信重工机械股份有限公司 | Manufacturing method of asymmetric large-modulus single-web thin-wall split large gear |
| CN114951712A (en) * | 2022-05-27 | 2022-08-30 | 湖北宜都宜运机电工程有限公司 | Method for processing and manufacturing crosshead shoe coupling sleeve |
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| CN203300438U (en) * | 2013-06-04 | 2013-11-20 | 广东华力通变压器有限公司 | Framework for winding transformer coil |
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| CN1190243A (en) * | 1997-02-04 | 1998-08-12 | 株式会社金田制作所 | Wound-core-type transformer and apparatus for manufacture thereof |
| JP2001295913A (en) * | 2000-04-12 | 2001-10-26 | Shin Kobe Electric Mach Co Ltd | Resin gear and method of manufacturing the same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735484A (en) * | 2016-12-20 | 2017-05-31 | 哈尔滨电气动力装备有限公司 | Shield electric machine stator core tooth support end milling groove processing technology |
| CN108098277A (en) * | 2017-12-29 | 2018-06-01 | 德阳天和机械制造有限责任公司 | A kind of method using cold screw cutter processing screw thread in diamond |
| CN108098277B (en) * | 2017-12-29 | 2019-05-31 | 德阳天和机械制造有限责任公司 | A method of screw thread is processed using screw cutter cold in diamond |
| CN108453482A (en) * | 2018-05-15 | 2018-08-28 | 上海普锐赛司实业有限公司 | The processing method for sliding belt wheel |
| CN108453482B (en) * | 2018-05-15 | 2023-09-19 | 上海普锐赛司实业有限公司 | Processing method of sliding belt wheel |
| CN112917111A (en) * | 2021-03-05 | 2021-06-08 | 山东华成中德传动设备有限公司 | Method for machining split crankshaft gear for diesel engine |
| CN113814680A (en) * | 2021-09-26 | 2021-12-21 | 中信重工机械股份有限公司 | Manufacturing method of asymmetric large-modulus single-web thin-wall split large gear |
| CN114951712A (en) * | 2022-05-27 | 2022-08-30 | 湖北宜都宜运机电工程有限公司 | Method for processing and manufacturing crosshead shoe coupling sleeve |
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| CN104668919B (en) | 2017-02-22 |
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Address after: 528244 Workshop No. 2, Shunfu East Road, Lishui Town, Nanhai District, Foshan City, Guangdong Province, No. 5, 1st and 2nd floors (residence declaration) Patentee after: Huali Voltage Transformer Co., Ltd., Guangdong Prov. Address before: 528248 Huangqi Zhonglian Cable Factory, Nanhai District, Foshan City, Guangdong Province Patentee before: Huali Voltage Transformer Co., Ltd., Guangdong Prov. |