CN105799116A - Silicon steel sheet and machining method thereof - Google Patents
Silicon steel sheet and machining method thereof Download PDFInfo
- Publication number
- CN105799116A CN105799116A CN201610278133.4A CN201610278133A CN105799116A CN 105799116 A CN105799116 A CN 105799116A CN 201610278133 A CN201610278133 A CN 201610278133A CN 105799116 A CN105799116 A CN 105799116A
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- silicon steel
- type structure
- processing method
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
- B21D28/145—Dies with means for slug retention, e.g. a groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/22—Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a silicon steel sheet and a machining method thereof. The section of the silicon steel sheet is shaped like a Chinese character 'ri'. The silicon steel sheet comprises an E-shaped structure (5) and an I-shaped structure (4). The E-shaped structure (5) is composed of a long edge (1) and three short edges (2). The silicon steel sheet is characterized in that the length of the long edge (1) of the E-shaped structure is equal to the length of the I-shaped structure (4). A corrosion resistant layer is arranged on the outer surface of the silicon steel sheet. The machining method includes the steps of punching, lamination, nylon injection, winding of varnished wires and drying. According to the silicon steel sheet and the machining method thereof, materials can be well utilized in the production and cutting process, and no waste is caused; and besides, the machining method is simple, the working efficiency is high, the labor intensity of workers is low, the overall quality is good, and the insulating effect is good.
Description
Technical field
The present invention relates to a kind of silicon steel sheet and processing method thereof, particularly relate to silicon steel sheet and the processing method thereof of a kind of cutting time material saving, belong to field of electromechanical technology.
Background technology
Silicon steel sheet and processing method thereof are mainly used to make the iron core of various transformator, motor and electromotor.Traditional motor silicon steel sheet and processing method thereof, its shape of cross section is C type or E type, can not can well utilize material, cause a large amount of waste in producing cutting process.
It is gone out by common punch press by silicon steel sheet that traditional handicraft makes the method for generator unit stator, then passes through artificial superposition silicon steel sheet piecewise and insulation paper washer, more manually press-fit, the technique such as welding is made, last manual line, dipping lacquer, drying.It has the drawback that: 1, silicon steel sheet and insulation paper washer fit through superposition piecewise, and processing technique is loaded down with trivial details, complicated, inefficiency；2, by artificial, hand labor intensity is big, workman costly, thus improving processing cost；3, artificial lamination, quality is relatively difficult to ensure card, and insulation effect is poor.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that the silicon steel sheet of a kind of cutting time material saving and processing method thereof, processing method is simple, and work efficiency is high, and the labor intensity of workman is low, and total quality is good, and insulation effect is good.
The object of the present invention is achieved like this:
A kind of silicon steel sheet and processing method thereof, its cross sectional shape is day font, it includes E type structure and I type structure, described E type structure is made up of a long limit and three minor faces, the long limit of described E type structure is equal with the length of I type structure, and the outer surface of this silicon steel sheet and processing method thereof is provided with anticorrosive coat.
The processing method of a kind of silicon steel sheet of the present invention comprises the following steps:
Step one, punching press: adopt punch press high speed stamping multi-station progressive die, manufacture the iron core of automatic laminating structure；
Step 2, lamination: on every silicon steel sheet, have the lamination slot being evenly distributed, lamination slot is concave hole along the top in blanking direction, bottom is convex hole, a piece of silicon steel sheet lamination slot spill position under upper a piece of silicon steel sheet lamination slot convex position being embedded exactly on punching blanking station, when under the upper a piece of pressure being subject to punch, with under a piece of reach to be fastenedly connected by self-assembling formation interference；
Step 3, injection molding nylon: be placed on full-automatic injection mold by the silicon steel sheet that superposition is good, with high-precision mold the position nylon material high voltage precision injection mo(u)lding needing insulation, encase the core portion nylon material to insulate；
Step 4, around enamel-covered wire: the silicon steel sheet after injection molding nylon, on fully automatic wire winding machine adopt technique for coiling wind enamel-covered wire；
Step 5, drying: the silicon steel sheet winding enamel-covered wire is toasted employing vacuum technique on line at Full-automatic infrared tunnel type and does vacuum paint dipping, drying and processing.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can well utilize material in producing cutting process, does not result in waste；Processing method is simple, and work efficiency is high, and the labor intensity of workman is low, and total quality is good, and insulation effect is good.
Accompanying drawing explanation
Fig. 1 is silicon steel sheet of the present invention and processing method cutting schematic diagram thereof.
Fig. 2 is silicon steel sheet of the present invention and the schematic diagram of processing method E type structure thereof.
Wherein:
Long limit 1
Minor face 2
Rectangular configuration 3
I type structure 4
E type structure 5.
Detailed description of the invention
Referring to Fig. 1 and Fig. 2, a kind of silicon steel sheet that the present invention relates to and processing method thereof, its cross sectional shape is day font, including E type structure 5 and I type structure 4, described E type structure 5 is made up of a long limit 1 and three minor faces 2, the long limit 1 of described E type structure is equal with the length of I type structure 4, and the outer surface of this silicon steel sheet and processing method thereof is provided with anticorrosive coat.
When cutting, owing to general silicon steel sheet and processing method raw material cross section thereof are rectangular configuration 3, it is possible to first cut out two I type structures 4 by internal for rectangular configuration 3, then remainder is cut into two E type structures 5.
The processing method of a kind of silicon steel sheet of the present invention comprises the following steps:
Step one, punching press: adopt punch press high speed stamping multi-station progressive die, manufacture the iron core of automatic laminating structure；
Step 2, lamination: on every silicon steel sheet, have the lamination slot being evenly distributed, lamination slot is concave hole along the top in blanking direction, bottom is convex hole, a piece of silicon steel sheet lamination slot spill position under upper a piece of silicon steel sheet lamination slot convex position being embedded exactly on punching blanking station, when under the upper a piece of pressure being subject to punch, with under a piece of reach to be fastenedly connected by self-assembling formation interference；
Step 3, injection molding nylon: be placed on full-automatic injection mold by the silicon steel sheet that superposition is good, with high-precision mold the position nylon material high voltage precision injection mo(u)lding needing insulation, encase the core portion nylon material to insulate；
Step 4, around enamel-covered wire: the silicon steel sheet after injection molding nylon, on fully automatic wire winding machine adopt technique for coiling wind enamel-covered wire；
Step 5, drying: the silicon steel sheet winding enamel-covered wire is toasted employing vacuum technique on line at Full-automatic infrared tunnel type and does vacuum paint dipping, drying and processing.
The present invention adopts punch press high speed stamping multi-station progressive die, manufacture the iron core of automatic laminating structure, every silicon steel sheet has the lamination slot being evenly distributed, lamination slot is concave hole along the top in blanking direction, bottom is convex hole, a piece of silicon steel sheet lamination slot spill position under upper a piece of silicon steel sheet lamination slot convex position being embedded exactly on punching blanking station, when under the upper a piece of pressure being subject to punch, with under a piece of self-assembling formation interference is reached the purpose being fastenedly connected, thus realizing automatic laminating；Thus obtain a piece of suffering a piece of arrangement, the same direction of burr and there is certain folded thick neat ferrum core, the position nylon material high voltage precision injection mo(u)lding that the iron core folded is insulated needs with high-precision mold on full-automatic injection mold, the core portion nylon material to insulate is encased, realize the insulation between the enamel-covered wire of motor and lead-out wire and iron core, effectively reduce winding copper loss, then the iron core injection formed adopts the technique for coiling to wind enamel-covered wire on fully automatic wire winding machine, last baking at Full-automatic infrared tunnel type adopts vacuum technique to do vacuum paint dipping on line, drying and processing.
Claims (2)
1. a silicon steel sheet and processing method thereof, its cross sectional shape is day font, it includes E type structure (5) and I type structure (4), described E type structure (5) is made up of a long limit (1) and three minor faces (2), it is characterized in that the long limit (1) of described E type structure is equal with the length of I type structure (4), the outer surface of this silicon steel sheet and processing method thereof is provided with anticorrosive coat.
2. the processing method of an a kind of silicon steel sheet as claimed in claim 1, it is characterised in that: described processing method comprises the following steps:
Step one, punching press: adopt punch press high speed stamping multi-station progressive die, manufacture the iron core of automatic laminating structure；
Step 2, lamination: on every silicon steel sheet, have the lamination slot being evenly distributed, lamination slot is concave hole along the top in blanking direction, bottom is convex hole, a piece of silicon steel sheet lamination slot spill position under upper a piece of silicon steel sheet lamination slot convex position being embedded exactly on punching blanking station, when under the upper a piece of pressure being subject to punch, with under a piece of reach to be fastenedly connected by self-assembling formation interference；
Step 3, injection molding nylon: be placed on full-automatic injection mold by the silicon steel sheet that superposition is good, with high-precision mold the position nylon material high voltage precision injection mo(u)lding needing insulation, encase the core portion nylon material to insulate；
Step 4, around enamel-covered wire: the silicon steel sheet after injection molding nylon, on fully automatic wire winding machine adopt technique for coiling wind enamel-covered wire；
Step 5, drying: the silicon steel sheet winding enamel-covered wire is toasted employing vacuum technique on line at Full-automatic infrared tunnel type and does vacuum paint dipping, drying and processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278133.4A CN105799116A (en) | 2016-05-03 | 2016-05-03 | Silicon steel sheet and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278133.4A CN105799116A (en) | 2016-05-03 | 2016-05-03 | Silicon steel sheet and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105799116A true CN105799116A (en) | 2016-07-27 |
Family
ID=56458006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610278133.4A Pending CN105799116A (en) | 2016-05-03 | 2016-05-03 | Silicon steel sheet and machining method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105799116A (en) |
-
2016
- 2016-05-03 CN CN201610278133.4A patent/CN105799116A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160727 |