CN105280368B - Manufacturing method for laminated magnetic steel - Google Patents
Manufacturing method for laminated magnetic steel Download PDFInfo
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- CN105280368B CN105280368B CN201510651166.4A CN201510651166A CN105280368B CN 105280368 B CN105280368 B CN 105280368B CN 201510651166 A CN201510651166 A CN 201510651166A CN 105280368 B CN105280368 B CN 105280368B
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Abstract
The invention discloses a manufacturing method for laminated magnetic steel. The manufacturing method comprises the steps of gluing a corresponding surface of block-shaped magnetic steel to an upper surface of a steel plate by a binder, and cutting the block-shaped magnetic steel into N equal parts; completely cleaning a cut product by an acid wash, and encapsulating each cutting groove of the cut product with low-viscosity glue, standing the cut product after being encapsulated with the low-viscosity glue at the normal temperature until the low-viscosity glue encapsulated in each cutting groove is fully cured to obtain a cured product, wherein N magnetic steel small blocks in the cured product are glued together; heating the cured product to be t DEG C, wherein t is greater than the solution temperature of the binder and less than the solution temperature of the low-viscosity glue, and the binder is dissolved at the moment, the steel plate is separated from the N magnetic steel small blocks that are glued together; and cutting the N magnetic steel small blocks that are glued together into M laminated magnetic steels of the thicknesses of H by adopting a one-for-more process. The manufacturing method has the advantages of simple manufacturing process, low waste of the raw materials and lower manufacturing cost.
Description
Technical field
The present invention relates to a kind of manufacture method of magnet steel, more particularly, to a kind of manufacture method of lamination magnet steel.
Background technology
The technique for sticking of existing domestic outer magnetic assembly product, almost adopts glue coating processes, i.e., in product parts
Gluing of surfaces first apply last layer glue, then using external force or the suction of product itself, two products are compressed tightly against into one
Rise, under certain conditions, after glue curing.
It is mainly lamination magnet steel using more magnetic assembly product on pure electric automobile, lamination magnet steel is by multi-disc cuboid
The lamellar magnet steel of shape is formed by stacking.At present, carry out after being spliced using technique for sticking after lamination magnet steel is generally arranged by polylith magnet steel
Cutting is formed.The manufacture method of existing lamination magnet steel is mainly included the following steps that：First, block magnet steel is prepared using sintering process
Blank；2nd, each surface of block magnet steel blank is processed and obtains block magnet steel, the processing in block each face of magnet steel blank
Surplus is about 1mm, thus overcomes the difference of the sintering warpage of block magnet steel blank and material surface magnetic property；3rd, by block magnet steel
Block lamination magnet steel semi-finished product are spliced into by technique for sticking after arrangement；4th, block lamination magnet steel semi-finished product are machined out,
Length is about 0.5mm with the allowance in four faces of width, is processed into block lamination magnet steel finished product, thus overcomes each piece little
The dislocation of block magnet steel splicing affects；5th, go out Alternative using one, block lamination magnet steel finished product is cut into into multiple sizes less
Lamination magnet steel, now the lamination magnet steel include multi-disc lamellar magnet steel, in the method, each step product schematic diagram is as shown in Figure 1.
But, there is problems with the manufacture method of existing lamination magnet steel：First, traditional glue coating processes splicing block
During shape magnet steel, the gap between magnet steel and magnet steel is difficult to equal control, certain gap can be caused too big or too little, and glue cannot reach
To optimal adhesive property, the two panels bonding magnetic steel intensity for thus resulting in the gap is not enough, and the use for not reaching product will
Ask, finally make product rejection；It is at present main by using bead controlling the concordance in gap, but be the increase in lamination magnet steel
The complexity of making；2nd, in manufacturing process, needs are first processed to each surface of block magnet steel blank, it is ensured that certain
Precision, then these block magnet steel blanks could be spliced into block lamination magnet steel semi-finished product, hereafter be also needed to block folded
Piece magnet steel semi-finished product are machined out to overcome the dislocation of each piece of fritter magnet steel splicing to affect, and the waste of raw material is more, and plus
The operation of work is more, and processing cost is also higher.
The content of the invention
The technical problem to be solved is to provide a kind of processing technique simply, and the waste of raw material is less, processing
The manufacture method of lower-cost lamination magnet steel.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of manufacture method of lamination magnet steel, including
Following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel.
Described step 5. in cleaning process be：
5. -1 a cleaning bag is taken, described cleaning bag includes the feeder for being arranged in order and being interconnected, cleaning part and goes out
Material portion, described cleaning part is left and right both ends open and hollow cuboid, the left and right two ends of described cleaning part respectively with
Feeder is connected with discharging portion, and described cleaning part is prepared from using elastomeric material；The inside dimensions of described cleaning part with
The external dimensions matching of cutting products；
5. -2 load cutting products in cleaning part after feeder, and now the steel plate in cutting products is located at lower section simultaneously
Contact with the bottom of cleaning part；
5. -3 which is made to fit with cleaning part internal cutting product to the top and both sides applying pressure of cleaning part；
5. -4 pickle is cleaned to cutting products under 5MPa～8MPa pressure from feeder press-in cleaning part,
Pickle is flowed out from discharging portion, and scavenging period is 40-50 minutes；
5. -5 the pressure that top and both sides to cleaning part apply is released, the cutting products after cleaning is taken out.
5. middle pickle is hydrochloric acid solution to described step, and hydrochloric acid solution is by hydrochloric acid HCl addition water H2Mix in O,
The concentration of hydrochloric acid solution is 15%～30%.
Described step 6. in the detailed process of embedding low viscosity glue in each grooving of cutting products be：It is flat one
Bottom container content enters low viscosity glue；Cutting products are vertically put into by the surface of the W2 × H2 of cutting products down low
Until being full of low viscosity glue in cutting products in viscosity glue, embedding is completed.
Compared with prior art, it is an advantage of the current invention that preparing cuboid according to design requirement using sintering process first
The block magnet steel blank of shape, carries out being surface-treated processing obtaining block magnet steel, by block to each surface of block magnet steel blank
In shape magnet steel, a corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent, upper surface and the bulk magnetic of steel plate
The surface size of steel is identical；Block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus by block magnetic
Steel N is divided into N number of fritter magnet steel, obtains cutting products, is cut with one in cutting products between every two neighboring fritter magnet steel
Groove；Again to embedding low viscosity glue in each grooving of cutting products after cleaned up by cutting products, make every
It is each filled with low viscosity glue in individual grooving, the viscosity of low viscosity glue is 500cp～25000cp, the dissolving temperature of low viscosity glue
Solution temperature of the degree higher than bonding agent；Cutting products after embedding low viscosity glue are stood at normal temperatures until in each grooving
The low viscosity glue of embedding is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；Will
After solidification, product is heated to t DEG C, wherein, solution temperature and solution temperature less than low viscosity glue of the t more than bonding agent, and now
Bonding agent dissolves, and steel plate is separated with N number of fritter magnet steel for bonding together；N number of fritter magnet steel for bonding together is thick along which
Degree direction adopt one go out Alternative be cut into M thickness for H lamination magnet steel；In the method for the invention, using dosing technology
Embedding glue in gap (i.e. grooving) between each fritter magnet steel produced to after cutting, thus can ensure between each fritter magnet steel
Gap be able to equal control, meet optimal adhesive strength during all fritter bonding magnetic steels and require, improve the qualified of product
Rate, at the same the method for the present invention by by block bonding magnetic steel on the steel plate after carry out cutting and obtain each fritter magnet steel, each fritter
The position of magnet steel is determined by steel plate in advance, will not produce splicing and misplace, it is not necessary to be additionally machined out and after embedding glue
Overcome the impact of splicing dislocation, processing technique is simple, and the waste of raw material is less, and processing cost is relatively low；
When the cleaning in cleaning process using feeder, cleaning part and the discharging portion for including being arranged in order and being interconnected
Bag, cleaning part is left and right both ends open and hollow cuboid, the left and right two ends of cleaning part respectively with feeder and discharging portion
Connection, cleaning part are prepared from using elastomeric material；The inside dimensions of cleaning part are matched with the external dimensions of cutting products；To cut
Cutting makes the steel plate in cutting products be located at lower section and contact with the bottom of cleaning part during product loads cleaning part after the feeder；
Applying pressure to the top and both sides of cleaning part makes which fit with cleaning part internal cutting product；Pickle is pressed in 5MPa～8MPa
Cutting products are cleaned from feeder press-in cleaning part under power, pickle is flowed out from discharging portion, and scavenging period is 40-50
Minute；The pressure that top and both sides to cleaning part apply is released, when the cutting products after cleaning are taken out, it is ensured that pickle
Be pressed in each grooving under stress and grooving cleaned, can effectively cleaning product surface it is especially miscellaneous in grooving
The foreign bodies such as matter, greasy dirt and oxide layer, cleaning performance are good；
When pickle is hydrochloric acid solution, hydrochloric acid solution is by hydrochloric acid HCl addition water H2Mix in O, hydrochloric acid solution it is dense
Spend for 15%～30% when, the surface oxide layer adhered in product surface and grooving can be fallen with thoroughly cleaning, further improve clear
Wash effect；
When step 6. in the detailed process of embedding low viscosity glue in each grooving of cutting products be：In a flat appearance
Load low viscosity glue in device；Cutting products are vertically put into into low viscosity by the surface of the W2 × H2 of cutting products down
Until being full of low viscosity glue in cutting products, when embedding is completed, grooving is equivalent to capillary tube one by one one by one in glue,
Grooving will rise along grooving always perpendicular to glue, glue, until glue is covered with whole grooving, in glue along on grooving
During rising, air drag suffered by glue is minimum, and now glue is easily accessible in grooving, it is ensured that each fritter magnet steel it
Between gap (grooving) filled by glue completely, optimal adhesive strength during all fritter bonding magnetic steels can be met and required, be carried
The qualification rate of high product.
Description of the drawings
When Fig. 1 is to prepare lamination magnet steel using the method for prior art, each step product schematic diagram；
When Fig. 2 is to prepare lamination magnet steel using the method for the present invention, each step product schematic diagram；
Fig. 3 is the structure chart of the cleaning bag of the present invention；
Fig. 4 is that the cutting products of the present invention load the schematic diagram in cleaning bag；
Fig. 5 is the schematic diagram of embedding glue of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：A kind of manufacture method of lamination magnet steel, comprises the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；Block magnet steel blank is shown in 2-1 in Fig. 2；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；Block magnet steel is shown in 2-2 in Fig. 2；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel, and cutting is produced
Product are shown in 2-3 in Fig. 2；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；N number of fritter for bonding together
Magnet steel is shown in 2-4 in Fig. 2；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel, lamination magnet steel is shown in 2-5 in Fig. 2.
Embodiment two：A kind of manufacture method of lamination magnet steel, comprises the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；Block magnet steel blank is shown in 2-1 in Fig. 2；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；Block magnet steel is shown in 2-2 in Fig. 2；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel, and cutting is produced
Product are shown in 2-3 in Fig. 2；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；N number of fritter for bonding together
Magnet steel is shown in 2-4 in Fig. 2；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel, lamination magnet steel is shown in 2-5 in Fig. 2.
In the present embodiment, step 5. in cleaning process be：
5. -1 a cleaning bag is taken, as shown in figure 3, cleaning bag includes the feeder 1, cleaning part for being arranged in order and being interconnected
2 and discharging portion 3, cleaning part is left and right both ends open and hollow cuboid, the left and right two ends of cleaning part respectively with feeder
Connect with discharging portion, cleaning part is prepared from using elastomeric material；The inside dimensions of cleaning part and the external dimensions of cutting products
Matching；
5. -2 load cutting products in cleaning part after feeder, and now the steel plate in cutting products is located at lower section simultaneously
Contact with the bottom of cleaning part；As shown in Figure 4；
5. -3 which is made to fit with cleaning part internal cutting product to the top and both sides applying pressure of cleaning part；
5. -4 pickle is cleaned to cutting products under 5MPa～8MPa pressure from feeder press-in cleaning part,
Pickle is flowed out from discharging portion, and scavenging period is 40-50 minutes；
5. -5 the pressure that top and both sides to cleaning part apply is released, the cutting products after cleaning is taken out.
Embodiment three：A kind of manufacture method of lamination magnet steel, comprises the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；Block magnet steel blank is shown in 2-1 in Fig. 2；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；Block magnet steel is shown in 2-2 in Fig. 2；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel, and cutting is produced
Product are shown in 2-3 in Fig. 2；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；N number of fritter for bonding together
Magnet steel is shown in 2-4 in Fig. 2；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel, lamination magnet steel is shown in 2-5 in Fig. 2.
In the present embodiment, 5. middle pickle is hydrochloric acid solution to step, and hydrochloric acid solution is by hydrochloric acid HCl addition water H2Mix in O
Form, the concentration of hydrochloric acid solution is 15%～30%.
Example IV：A kind of manufacture method of lamination magnet steel, comprises the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；Block magnet steel blank is shown in 2-1 in Fig. 2；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；Block magnet steel is shown in 2-2 in Fig. 2；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel, and cutting is produced
Product are shown in 2-3 in Fig. 2；In this step, generally in 0.1mm or so, the size of grooving is to each for the grooving gap by produced by wire cutting
The widths affect of individual fritter magnet steel can be ignored, meanwhile, grooving is filled by low viscosity glue in follow-up embedding operation, right
The size of L2, W2 and H2 does not result in impact, on final lamination magnet steel L, W and H size without impact yet；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；N number of fritter for bonding together
Magnet steel is shown in 2-4 in Fig. 2；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel, lamination magnet steel is shown in 2-5 in Fig. 2.
In the present embodiment, as shown in figure 5, step 6. in embedding low viscosity glue in each grooving of cutting products tool
Body process is：Load low viscosity glue in a Flat bottom container；By the surface of the W2 × H2 of cutting products down vertically
Cutting products are put in low viscosity glue until full of low viscosity glue in cutting products, embedding is completed.
Embodiment five：A kind of manufacture method of lamination magnet steel, comprises the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as
H, lamination magnet steel are formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, adopt
The block magnet steel blank of rectangular shape is prepared with sintering process, the block magnet steel charge length is designated as L1, and width is designated as W1, it is thick
Degree is designated as H1, wherein L1=L+2 × d, and W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination
The discharging quantity of magnet steel, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, the value of d
For 1～1.5mm；Block magnet steel blank is shown in 2-1 in Fig. 2；
2. surface treatment processing being carried out to each surface of block magnet steel blank and obtaining block magnet steel, block magnet steel blank is every
The allowance in individual face is d, and the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L,
W2=N × W, H2=H × M；Block magnet steel is shown in 2-2 in Fig. 2；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent,
The upper surface of steel plate is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into
N number of fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel, and cutting is produced
Product are shown in 2-3 in Fig. 2；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue,
The viscosity of low viscosity glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity up to embedding in each grooving at normal temperatures
Glue is fully cured, product after being solidified, and after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, t is more than the solution temperature of bonding agent and less than low viscosity glue
Solution temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；N number of fritter for bonding together
Magnet steel is shown in 2-4 in Fig. 2；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for H
Lamination magnet steel, lamination magnet steel is shown in 2-5 in Fig. 2.
In the present embodiment, step 5. in cleaning process be：
5. -1 a cleaning bag is taken, as shown in figure 3, cleaning bag includes feeder, the cleaning part for being arranged in order and being interconnected
And discharging portion, cleaning part is left and right both ends open and hollow cuboid, the left and right two ends of cleaning part respectively with feeder and
Discharging portion is connected, and cleaning part is prepared from using elastomeric material；The inside dimensions of cleaning part and the external dimensions of cutting products
Match somebody with somebody；
5. -2 load cutting products in cleaning part after feeder, and now the steel plate in cutting products is located at lower section simultaneously
Contact with the bottom of cleaning part；As shown in Figure 4；
5. -3 which is made to fit with cleaning part internal cutting product to the top and both sides applying pressure of cleaning part；
5. -4 pickle is cleaned to cutting products under 5MPa～8MPa pressure from feeder press-in cleaning part,
Pickle is flowed out from discharging portion, and scavenging period is 40-50 minutes；
5. -5 the pressure that top and both sides to cleaning part apply is released, the cutting products after cleaning is taken out.
In the present embodiment, 5. middle pickle is hydrochloric acid solution to step, and hydrochloric acid solution is by hydrochloric acid HCl addition water H2Mix in O
Form, the concentration of hydrochloric acid solution is 15%～30%.
In the present embodiment, as shown in figure 5, step 6. in embedding low viscosity glue in each grooving of cutting products tool
Body process is：Load low viscosity glue in a Flat bottom container；By the surface of the W2 × H2 of cutting products down vertically
Cutting products are put in low viscosity glue until full of low viscosity glue in cutting products, embedding is completed.
At the grooving that the method for the present invention is cut and formed, each surface need not be reprocessed, if cutting generates five fritter magnetic
Steel, then have totally eight surfaces without the need for processing, to calculate by 1～1.5mm of each Surface Machining surplus, can save adding for 8～12mm altogether
Spare time measures, and prepares the lamination magnet steel (thickness such as monolithic lamellar magnet steel is 4mm or so) of same size, and the method for the present invention is relative
In existing method, 1-1 about 2～3 in Fig. 1 can be saved, that is, save 40% (2/5=40%)～60% (3/5=60%)
Master Cost.
Claims (4)
1. a kind of manufacture method of lamination magnet steel, it is characterised in that comprise the following steps：
1. the length of the lamellar magnet steel of every rectangular shape in lamination magnet steel is designated as into L, width is designated as W, and thickness is designated as H, is folded
Piece magnet steel is formed by stacking by N piece lamellar magnet steel, and N is the integer more than or equal to 2；According to the dimensional requirement of lamination magnet steel, using burning
Knot technique prepares the block magnet steel blank of rectangular shape, and the block magnet steel charge length is designated as L1, and width is designated as W1, thickness note
For H1, wherein L1=L+2 × d, W1=N × W+2 × d, H1=H × M+2 × d, M represent block magnet steel blank output lamination magnet steel
Discharging quantity, M is the integer more than or equal to 1, and d represents the allowance on block each surface of magnet steel blank, and the value of d is 1
～1.5mm；
2. surface treatment processing is carried out to each surface of block magnet steel blank obtains block magnet steel, block each face of magnet steel blank
Allowance be d, the length of the block magnet steel for now obtaining is designated as L2, and width is designated as W2, and thickness is designated as H2, L2=L, W2=
N × W, H2=H × M；
3. L2 × the W2 of a block magnet steel corresponding surface is bonded on the upper surface of one block of steel plate using bonding agent, steel plate
Upper surface it is identical with the surface size of block magnet steel；
4. block magnet steel is cut by the width N deciles of block magnet steel using cutting equipment, thus block magnet steel N is divided into N number of
Fritter magnet steel, obtains cutting products, has a grooving in cutting products between every two neighboring fritter magnet steel；
5. cutting products are cleaned up using pickle；
6. to embedding low viscosity glue in each grooving of cutting products, make in each grooving, to be each filled with low viscosity glue, it is low viscous
The viscosity of degree glue is 500cp～25000cp, and the solution temperature of low viscosity glue is higher than the solution temperature of bonding agent；
7. the cutting products after embedding low viscosity glue are stood into the low viscosity glue up to embedding in each grooving at normal temperatures
It is fully cured, product after being solidified, after solidification, in product, N number of fritter bonding magnetic steel is together；
8. product after solidification is heated to into t DEG C, wherein, solution temperature and dissolving less than low viscosity glue of the t more than bonding agent
Temperature, now bonding agent dissolving, steel plate are separated with N number of fritter magnet steel for bonding together；
9. adopt one to go out Alternative along its thickness direction N number of fritter magnet steel for bonding together M thickness is cut into for the folded of H
Piece magnet steel.
2. a kind of lamination magnet steel manufacture method according to claim 1, it is characterised in that described step 5. in cleaning
Process is：
5. -1 a cleaning bag is taken, described cleaning bag includes feeder, cleaning part and the discharging portion for being arranged in order and being interconnected,
Described cleaning part is left and right both ends open and hollow cuboid, the left and right two ends of described cleaning part respectively with feeder
Connect with discharging portion, described cleaning part is prepared from using elastomeric material；The inside dimensions of described cleaning part are produced with cutting
The external dimensions matching of product；
5. cutting products are loaded in cleaning part after the feeder by -2, now the steel plate in cutting products be located at lower section and with it is clear
Wash the bottom contact in portion；
5. -3 which is made to fit with cleaning part internal cutting product to the top and both sides applying pressure of cleaning part；
5. -4 pickle is cleaned to cutting products under 5MPa～8MPa pressure from feeder press-in cleaning part, pickling
Liquid is flowed out from discharging portion, and scavenging period is 40-50 minutes；
5. -5 the pressure that top and both sides to cleaning part apply is released, the cutting products after cleaning is taken out.
3. a kind of lamination magnet steel manufacture method according to claim 1, it is characterised in that described step 5. middle pickle
For hydrochloric acid solution, hydrochloric acid solution is by hydrochloric acid HCl addition water H2Mix in O, the concentration of hydrochloric acid solution is 15%～30%.
4. a kind of lamination magnet steel manufacture method according to claim 1, it is characterised in that described step 6. in cutting
In each grooving of product, the detailed process of embedding low viscosity glue is：Load low viscosity glue in a Flat bottom container；To cut
The surface for cutting the W2 × H2 of product is vertically put into cutting products in low viscosity glue down until filling in cutting products
Full low viscosity glue, embedding are completed.
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| JP2005322759A (en) * | 2004-05-10 | 2005-11-17 | Tdk Corp | Manufacturing method and device of laminated core |
| CN104508955A (en) * | 2012-03-14 | 2015-04-08 | 金勒+施皮斯有限公司 | Stack of laminations and method for the production thereof |
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| CN101281239B (en) * | 2008-05-22 | 2012-02-08 | 中国科学院电工研究所 | Permanent magnetic body used for magnetic resonance imaging and manufacturing method thereof |
| KR101386524B1 (en) * | 2012-09-07 | 2014-04-21 | 한국세라믹기술원 | Manufacturing method of ferrite sheet for near-field communication |
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| JP2005322759A (en) * | 2004-05-10 | 2005-11-17 | Tdk Corp | Manufacturing method and device of laminated core |
| CN104508955A (en) * | 2012-03-14 | 2015-04-08 | 金勒+施皮斯有限公司 | Stack of laminations and method for the production thereof |
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