CN101284294B - Silicon steel sheet punching die blade blocks processing technique - Google Patents
Silicon steel sheet punching die blade blocks processing technique Download PDFInfo
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- CN101284294B CN101284294B CN2007100392987A CN200710039298A CN101284294B CN 101284294 B CN101284294 B CN 101284294B CN 2007100392987 A CN2007100392987 A CN 2007100392987A CN 200710039298 A CN200710039298 A CN 200710039298A CN 101284294 B CN101284294 B CN 101284294B
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Abstract
The invention discloses a stamping die edge block for silicon steel sheets and a processing technique thereof. The processing technique of the edge block comprises planning-milling and linear cuttingprocedures. In addition, in the whole process flow, the common dimensions of the edge block are firstly processed and then the critical dimensions of the edge block are processed. The stamping die edgeblock for silicon steel sheets has a wider main body in replacement of the long and narrow body of the prior edge block. In addition, the bland of the die edge block is proportioned in singe piece,th us reducing the release of the total stress and deformation correspondingly. The stamping die edge block for silicon steel sheets and the processing technique thereof can better solve the problem ofstress release and ensure the machining precision of the die edge block, thereby ensuring that high quality silicon steel sheets are produced through the die edge block.
Description
Technical field
The present invention relates to a kind of processing technology of diel of silicon steel sheet, more particularly, relate to a kind of processing technology of punching mould edge block of silicone steel sheet.
Background technology
In the diel field, one secondary mould generally is divided into punch and die, all contain the sword piece in punch and the die, punch sword piece and die sword piece coupling, punch moves downward, cooperate the raw material that will be placed on the die to be stamped into part by punch sword piece and die sword piece ground, this shows that the machining accuracy of sword piece (punch sword piece and die sword piece) of diel is of crucial importance for the part quality that punching out goes out.Some present motor the insides need electrode silicon steel sheet 1 (shown in Figure 1), and the precision of electrode silicon steel sheet 1 directly influences the quality of motor, and electrode silicon steel sheet 1 is exactly by the diel punching out, so the precision of the sword piece of this diel just seems important unusually.At present the punch of the diel of electrode silicon steel sheet 1 and die all by several mould sword pieces around be assembled (shown in Figure 2).Present electrode silicon steel sheet mould sword piece 5 (shown in Figure 5) and technology thereof have following correlated characteristic: 1) blanks of mould sword piece 5 is that (shown in Figure 3) joined by many companies; 2) mould sword piece 5 profiles are all finished by wire cutting machine; 3) mould sword piece 5 profiles are curved, and intermediate width is little; 4) cut critical size on the technology earlier, cut non-key size at last.
In production practices, 3 features with mold sword piece 5 and technology thereof have shown shortcoming, influenced its precision: 1) because the blanks of mould sword piece 5 is that many companies join, so the internal stress that produces when early stage machined, transportation and heat treatment all is not easy to discharge, together discharge when making the online cutting of too much stress, increased distortion.2) because mould sword piece 5 profiles are all finished by wire cutting machine,, be easy to generate distortion so stress release does not have rule; 3) because mould sword piece 5 profiles are curved, intermediate width is little, and workpiece is a thin-and-long, and the distortion meeting that stress release produces in the process is more a lot of greatly than the distortion that non-long and narrow workpiece produces, and is difficult to solve by processing technology.4), cause stress release, cutting critical size distortion before making during the non-key size of cutting after the institute because first cutting critical size on the technology cuts non-key size at last.
Summary of the invention
The present invention aims to provide a kind of processing technology of punching mould edge block of silicone steel sheet, can solve the stress release problem preferably, guarantees the machining accuracy of described mould sword piece, thereby guarantees to produce high-quality silicon steel sheet.
The invention provides a kind of processing technology of punching mould edge block of silicone steel sheet, may further comprise the steps:
A. process each plane of described sword piece with planer and milling machine, and process plane of orientation;
B. with the described plane of orientation of a step location, described sword piece is positioned on the surface grinding machine, described surface grinding machine is processed the last lower plane of described sword piece;
C. the described lower plane of going up that processes of described plane of orientation that processes with a step and b step is made plane of orientation, described sword piece is positioned on the pincers bed numbering of described pincers bed processing corresponding hole of described sword piece and described sword piece;
D. the described lower plane of going up that processes of described plane of orientation that processes with a step and b step is made plane of orientation, and described sword piece is positioned on the vertical knee-type milling machine, and described vertical knee-type milling machine is processed the last lower plane and the controlling dimension of described sword piece;
E. described sword piece is heat-treated;
F. will be positioned on the numerical control plane grinding machine the last lower plane of the described sword piece of described numerical control plane grinding machine fine finishining and through heat treated described sword piece according to the final thickness size Control dimensional tolerance of sword piece;
G. described sword piece is positioned on the pincers bed, described pincers bed is divided into molded lines and removes hot disposal of garbage on described sword piece;
H. described sword piece is positioned on the wire cutting machine, described wire cutting machine is to the cutting edge of described sword piece, and abandon seam face and pin-and-hole size are cut and the controlling dimension tolerance;
I. described sword piece is positioned on the pincers beds, described pincers bed to described sword piece buy oil, cleaning and polishing.
The cutting edge of sword piece in the described h step, abandon seam face and pin-and-hole size are repeatedly cut through described wire cutting machine.
The hole of described c step processing comprises the line cutting through wires hole of described sword piece.
Described sword piece hardness range in the described e step after the heat treatment is HRC62-64.
Adopt the processing technology of a kind of punching mould edge block of silicone steel sheet of the present invention, because described mould sword piece has been carried out HOMOGENEOUS BROADENING, add man-hour sword piece like this and be out of shape because of stress with regard to being not easy; Processing key size, situation like this after the common size of described processing technology elder generation's processing with regard to having prevented that critical size is out of shape because of other processing; Blank batching for described mould sword piece adopts the single-piece batching in addition, has reduced the release of total stress like this, is out of shape also corresponding minimizing.The described mould sword piece precision that processes like this is very high, distortion seldom, percent defective is very low, meets the needs of production fully and has reduced cost.
Description of drawings
Fig. 1 is described silicon steel sheet schematic diagram;
Fig. 2 is the punch and the die schematic diagram of described silicon steel sheet mould;
Fig. 3 is that schematic diagram is joined by many companies of the blank raw material of present punching mould edge block of silicone steel sheet;
Fig. 4 is the processing technology schematic diagram of punching mould edge block of silicone steel sheet of the present invention;
Fig. 5 is present silicon steel sheet punching die punch sword piece schematic diagram;
Fig. 6 is a silicon steel sheet punching die punch sword piece schematic diagram of the present invention.
The specific embodiment
The invention provides a kind of processing technology of punching mould edge block of silicone steel sheet, the processing technology with silicon steel sheet punching die punch sword piece 6 illustrates below, with reference to figure 4 and Fig. 6, may further comprise the steps:
A. process 6a with planer and milling machine, 6b, 6c, 6d, 6e, six faces of 6f, and finished machined 6b, 6d, 6e, four faces of 6f are as locating surface.
B. with 6b, 6d, 6e, four faces of 6f are positioned at sword piece 6 on the surface grinding machine as locating surface, the last lower plane 6g1 and the 6g2 of described surface grinding machine processing sword piece 6;
C. make locating surface with the respective planes that processes in a and the b step, sword piece 6 is positioned on the pincers bed, the pin-and-hole 6h1 on the described pincers bed processing sword piece 6,6h2,6h3, the line cutting through wires hole of the line cutting through wires hole of 6h4 and the profile of sword piece 6, described in addition pincers bed also will be stamped the numbering of sword piece 6;
D. make locating surface with the respective planes that processes in a and the b step, sword piece 6 is positioned on the vertical knee-type milling machine, described vertical knee-type milling machine is further processed last lower plane 6g1 and the 6g2 and the controlling dimension of sword piece 6;
E. counter blade piece 6 is heat-treated, and the hardness range of the sword piece 6 after the assurance heat treatment is HRC62-64;
F. will be positioned on the numerical control plane grinding machine through heat treated sword piece 6, last lower plane 6g1 and the 6g2 and the controlling dimension of described numerical control plane grinding machine fine finishining sword piece 6, the final thickness size of sword piece 6 is consistent, and makes the last lower plane 6g1 of sword piece 6 and the flatness and the depth of parallelism of 6g2 reach requirement;
I. sword piece 6 is positioned on the pincers beds, a described pincers counter blade piece 6 is bought oil, cleaning and polishing;
F step in the above step is the processing step of processing key size, the last lower plane 6g1 and the 6g2 of the sword piece 6 of f step processing, and the thickness of last lower plane 6g1 and 6g2 and sword piece 6 belongs to fitted position, so the precision prescribed height.
H step in the above step is the processing step of processing key size, that the h step is processed is the cutting edge part (6a of sword piece 6,6b, 6c, 6d face) cut silicon steel sheet so be critical size owing to cutting, seam face (6d abandons, the 6f face) and pin-and-hole part (6h1,6h2,6h3, be that fitted position is so the precision prescribed height is critical size 6h4).
The present invention also provides a kind of punching mould edge block of silicone steel sheet, and with reference to figure 6, mould sword piece 6 totally is trapezoidal shape, comprises pin-and-hole 6h1,6h2,6h3 and 6h4, cutting edge 6a, 6b, 6c and 6d face, sword piece 6 main bodys keep the width of broad, and body width keeps uniformity.The stress release that produces in the process is not easy to cause main body to keep sword piece 6 distortion of broad width like this.
Because diel divides punch-die, so mould sword piece 6 comprises punch sword piece and the die sword piece that mates with described punch sword piece, shown in Figure 6 is punch sword piece.The cutting edge of punch sword piece outwardly, the cutting edge of die sword piece is inwardly.
The batching of the blank of mould sword piece 6 is the single-piece batching, and promptly the only corresponding mould sword piece 6 of each batching has changed many batching situations in the past, has reduced stress release.
The pin-and-hole of mould sword piece 6 is 4 dowel hole 6h1,6h2, and 6h3 and 6h4, these four dowel hole counter blade pieces 6 are implemented accurately location.
Punching mould edge block of silicone steel sheet 6 of the present invention (comprising punch sword piece and die sword piece) is assembled into punch and die like that according to Fig. 2, just can be used for the described silicon steel sheet 1 of punching out.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (4)
1. the processing technology of a punching mould edge block of silicone steel sheet is characterized in that may further comprise the steps:
A. process each plane of described sword piece with planer and milling machine, and process plane of orientation;
B. with the described plane of orientation of a step location, described sword piece is positioned on the surface grinding machine, described surface grinding machine is processed the last lower plane of described sword piece;
C. the described lower plane of going up that processes of described plane of orientation that processes with a step and b step is made plane of orientation, described sword piece is positioned on the pincers bed numbering of described pincers bed processing corresponding hole of described sword piece and described sword piece;
D. the described lower plane of going up that processes of described plane of orientation that processes with a step and b step is made plane of orientation, and described sword piece is positioned on the vertical knee-type milling machine, and described vertical knee-type milling machine is processed the last lower plane and the controlling dimension of described sword piece;
E. described sword piece is heat-treated;
F. will be positioned on the numerical control plane grinding machine the last lower plane of the described sword piece of described numerical control plane grinding machine fine finishining and through heat treated described sword piece according to the final thickness size Control dimensional tolerance of sword piece;
G. described sword piece is positioned on the pincers bed, described pincers bed is divided into molded lines and removes hot disposal of garbage on described sword piece;
H. described sword piece is positioned on the wire cutting machine, described wire cutting machine is to the cutting edge of described sword piece, and abandon seam face and pin-and-hole size are cut and the controlling dimension tolerance;
I. described sword piece is positioned on the pincers beds, described pincers bed to described sword piece buy oil, cleaning and polishing.
2. the processing technology of mould sword piece as claimed in claim 1 is characterized in that, the cutting edge of sword piece in the described h step, and abandon seam face and pin-and-hole size are repeatedly cut through described wire cutting machine and are formed.
3. the processing technology of mould sword piece as claimed in claim 1 is characterized in that, the hole of described c step processing comprises the line cutting through wires hole of described sword piece.
4. the processing technology of mould sword piece as claimed in claim 1 is characterized in that, the described sword piece hardness range in the described e step after the heat treatment is HRC62-64.
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CN2007100392987A CN101284294B (en) | 2007-04-10 | 2007-04-10 | Silicon steel sheet punching die blade blocks processing technique |
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CN2009101684407A Division CN101648238B (en) | 2007-04-10 | 2007-04-10 | Punching mould edge block of silicone steel sheet |
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CN101284294B true CN101284294B (en) | 2010-04-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102009331A (en) * | 2010-06-11 | 2011-04-13 | 勋龙精密模具(昆山)有限公司 | Method of forming large-area through-hole in large-scale workpiece |
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CN111002060B (en) * | 2019-12-17 | 2021-06-01 | 四川科思精密模具有限公司 | Machining method of metal die with cutting edge |
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