A kind of special coiling Gearmaking Technology of reel iron core transformer
The present invention relates to reel iron core transformer Winder manufacture field, more particularly, to a kind of reel iron core transformer special around
Line gear processing technology.
How conveniently enterprising in the three dimensional wound core transformer of closing one of Wound iron-core transformer key technology is
Row coil winding.Existing three dimensional wound core transformer coil winding technology be install on the stem of three dimensional wound core band around
The positioner of line gear, then places cardboard or epoxy fabric swatch on gear edge.
The shortcoming one of this winding method is that during mounting and positioning device, requirement is higher, it is necessary to assure the positioner at two is concentric
Degree is very high, and otherwise easily rub iron core in coiling, leads to not complete coiling, the therefore set-up time is longer.Shortcoming two be as
When fruit selects cardboard as coiling inner support, also it is susceptible to stem friction during coiling, cannot move back if there is problem during coiling
Go back coiling again, whole coil will coiling again.And the easy deliquescing of cardboard in the moister environment in south, lead to tooth
Wheel cannot rotate, and also can affect the coiling of coil, or even cause scrapping of whole coil.Therefore the method production efficiency not
Height, easily goes wrong in winding process and causes to waste.
Therefore how on the stem of closing, can the coiling of simple and fast have become three dimensional wound core transformer promote
One key factor of application, is also the major issue that solution was paid close attention to and urgently improved to transformer industry always！
Content of the invention
It is an object of the invention to provide a kind of reel iron core transformer special coiling Gearmaking Technology being easy to assemble.
For reaching object above, the present invention adopts the following technical scheme that.
A kind of special coiling Gearmaking Technology of reel iron core transformer is it is characterised in that comprise the following steps：
First step sorting, chooses suitable workpiece to be processed, determines the centre of location of workpiece to be processed, then in positioning
The heart bores a fixing hole；
Second step processing excircles and end face, on lathe, rough turned piece is cylindrical, then fine turning outer circle, finally to workpiece both sides
End face carries out thick and smart car respectively；
Three-step process inner circle, first first heavy boring workpiece inner circle on lathe, removes the excessive surplus of workpiece；Right boring workpiece again
4th step drilling and tapping with and hole milling groove milling, include below four small steps, 1) carry out in the clamp position of workpiece
Boring, for card low-voltage line, 2) boring tapping are carried out in position corresponding to the locator card screw of workpiece, 3) oval in workpiece milling
Slotted eye, for card high-voltage line, 4) carry out groove milling 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；
Teeth are carried out roll flute process by the 7th step grinding, to eliminate the deformation after heat treatment, and improve the accuracy of gear；
8th step wire cutting, comprises the following steps：1) carry out wire cutting in the skeleton fixed position of workpiece, then three will be positioned
Angle is inlayed into, and then spot welding is fixed, and forms orientation triangle；
2) the winding low pressure in workpiece lift one's head and all positions of T word boss at carry out wire cutting, then by T word boss spot welding
Fixing, and allow T word boss compression winding low pressure to lift one's head；
3) workpiece there is is T word boss and do not have double wire cutting in T word boss both sides to open；
4) inner circle is cut, form positioning rib.
Further illustrating as such scheme, it also includes locator card procedure of processing, selects one block of suitable blank first
Coarse-fine car is carried out to it, makes locator card end face bright and clean；Then the form and dimension needed for wire cutting goes out locator card is so as to can pack into
Corresponding vallecular cavity；Finally, locator card is holed, prepare for the cut gear opening two halves of locking.
Further illustrating as such scheme, described workpiece is No. 45 steel.
A kind of reel iron core transformer special coiling Gearmaking Technology that the present invention provides, by setting positioning on workpiece
Triangle, and workpiece is cut in half, conveniently realize the special installation around line gear and coil winding machine skeleton, easy to assembly.Meanwhile, lead to
Cross processing T word boss, low pressure string holes and oval slotted eye on workpiece, coiling is very convenient.Additionally, a whole set of workpiece adopts No. 45 steel
Making, and combine High frequency induction hardening and grinding processes it is ensured that the hardness of whole gear, abrasion resistance and precision, using the longevity
Fig. 1 show the reel iron core transformer coiling Gearmaking Technology flow chart of present invention offer；
Fig. 2 show the special coiling gear structure schematic diagram of machine-shaping；
Fig. 3 show special coiling gear assembling assumption diagram.
Description of reference numerals：
1st, low pressure string holes, 2, location hole, 3, oval slotted eye, 4, orientation triangle, 5, T word boss, 6, positioning rib.
More fully understand the essence of the present invention for convenience of those of ordinary skill in the art, below in conjunction with the accompanying drawings to the present invention's
Specific embodiment is described in detail.
As shown in Figure 1-Figure 3, a kind of special coiling Gearmaking Technology of reel iron core transformer, comprises the following steps：
The sorting of first step step1, chooses No. 45 steel as workpiece to be processed according to part requirements, first for operation afterwards
Prepare.It is then determined that the centre of location is it is ensured that size meets workpiece requirement；Finally in one fixing hole of start drill, it is used for
Process fixing during workpiece using afterwards.
Second step step2 processing excircles and end face, on lathe, rough turned piece is cylindrical, removes the excessive surplus of blank.So
Fine turning outer circle more afterwards, prepares for gear hobbing afterwards.For reaching purpose of design, also workpiece both sides end face is carried out respectively thick and smart
3rd step step3 processing inner circle, first heavy boring workpiece inner circle on lathe, remove the excessive surplus of workpiece；Right boring again
Workpiece inner circle, to reach design accuracy requirement.
4th step step4 drilling and tapping with and hole milling groove milling, include below four small steps, 1) in the clamp position of workpiece
Carry out boring low pressure string holes 1, for card low-voltage line, 2) carry out boring location hole 2 and attacking in position corresponding to the locator card screw of workpiece
Silk, 3) in the oval slotted eye of workpiece milling 3, for card high-voltage line, 4) carry out groove milling in the locator card corresponding position of workpiece, so that it can be allowed
Positioning sleeve afterwards 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 resistance to
Teeth are carried out roll flute process by the 7th step step7 grinding, to eliminate the deformation after heat treatment, and improve gear essence
8th step Sep8 wire cutting, including：1) carry out wire cutting at skeleton fixed triangle position, then orientation triangle is inlayed
Imbed, then spot welding is fixed, form orientation triangle 4.
2) winding low pressure is lifted one's head and all positions of T word boss 5 at carry out wire cutting, then by the 5 points of solid weldings of T word boss
Fixed, and allow T word boss 5 compression to lift one's head.
3) dividing gear has T word boss 5 and does not have double wire cutting in T word boss 5 both sides to open, to allow gear card on coil winding machine
Skeleton drives skeleton to rotate.
4) inner circle is carried out with cutting and form positioning rib 6, for sticking the groove of skeleton edges, prevent skeleton from moving left and right.
9th step step9 locating and machining card 7, selects one block of suitable blank to carry out coarse-fine car to it first, makes locator card end
Face is bright and clean；Then the form and dimension needed for wire cutting goes out locator card is so as to corresponding vallecular cavity can be packed into；Finally, to locator card
Holed, prepared for the cut gear opening two halves of locking.
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, it is not limited to the present embodiment.
Above specific embodiment has been described in detail to the essence of the present invention, but can not be come to the present invention's with this
Protection domain is limited.It should be evident that under the enlightenment of present invention essence, the art those of ordinary skill also can enter
Row is many improve and modify it should be noted that these improve and modify all fall the present invention claims it