CN116749631A - Manufacturing method of composite material belt - Google Patents
Manufacturing method of composite material belt Download PDFInfo
- Publication number
- CN116749631A CN116749631A CN202311058488.9A CN202311058488A CN116749631A CN 116749631 A CN116749631 A CN 116749631A CN 202311058488 A CN202311058488 A CN 202311058488A CN 116749631 A CN116749631 A CN 116749631A
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- Prior art keywords
- die
- material belt
- leveling
- flat
- strip
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- 239000002131 composite material Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 132
- 239000000853 adhesive Substances 0.000 claims abstract description 57
- 230000001070 adhesive effect Effects 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 25
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 13
- 238000001723 curing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 4
- 238000013007 heat curing Methods 0.000 claims 1
- 238000013329 compounding Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/0015—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid warp or curl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B2037/1253—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives curable adhesive
Abstract
The application discloses a manufacturing method of a composite material belt; the two material belts are respectively conveyed in a stepping mode, and are leveled in the conveying process to form a first flat material belt and a second flat material belt respectively; coating adhesive on the inner wall of the first flat material strip and the inner wall of the second flat material strip respectively; bonding the first and second flat material strips coated with the adhesive to each other and compounding the adhesive therebetween to achieve bonding of the first and second flat material strips to each other to form a composite material strip; the composite material belt enters between an upper die and a lower die of a blanking die, and is mutually matched with the upper die and the lower die of the blanking die to be blanked and formed into a product, or the composite material belt is rolled to form a coiled material belt. The thickness of the material belt after bonding and compounding the ultrathin material belt meets the blanking process condition, and the working efficiency of the motor can be ensured through the laminated iron core formed by the compound material belt.
Description
Technical Field
The application relates to the technical field of material forming for producing laminated iron cores for motors, in particular to a manufacturing method of a composite material belt.
Background
With the rapid market occupation of new energy automobiles, innovations are not broken, and the requirements on the performance of a driving motor are more and more severe. The main base material of the motor iron core is silicon steel sheet, and the thickness of the silicon steel sheet is an important factor for determining the performance, so that compared with the thicker silicon steel sheet, the thinner silicon steel sheet has higher resistivity and magnetic conductivity, and the energy loss can be reduced to the greatest extent. This is because the thinner the silicon steel sheet is, the smaller the hysteresis loss in the magnetic field is, the energy conversion efficiency of the silicon steel sheet is improved by reducing the hysteresis loss, and the efficiency and the service life of the motor equipment are improved; since the manufacture of motor cores has been a very demanding choice for the sheet of silicon steel, the thinner the better. The thickness of the silicon steel sheet is 0.2mm to 0.35mm, the thickness of the silicon steel sheet cannot meet the motor performance requirement of a new energy automobile, so that an ultrathin material belt with the thickness of 0.1mm is developed, the performance of a motor iron core formed by production in a motor can be further improved by the ultrathin material belt, but the ultrathin material has relatively high requirements on a production blanking process, and the thinner material has poorer rigidity, so that a motor iron core cannot be formed by adopting a high-speed blanking mode in a motor iron core production device for conventional feeding and guiding, the motor iron core can not be produced by adopting a plurality of production devices, and the production capacity and the production aging requirement can be met by simultaneously producing the single ultrathin material belt, so that the production cost is high.
Disclosure of Invention
The present application is directed to a method for manufacturing a composite material tape, which is designed to solve the above-described technical shortcomings, in the following manner.
The application relates to a manufacturing method of a composite material belt, which comprises the following specific steps:
s1, conveying two material belts with the thickness smaller than 0.2mm in a stepping mode respectively, and leveling in the conveying process to form a first flat material belt and a second flat material belt respectively;
s2, respectively coating adhesives on the inner wall of the first flat material conveying belt and the inner wall of the second flat material conveying belt in the process of the stepping material conveying belt;
s3, in the process of the step-by-step conveying belt, the first flat material strip and the second flat material strip coated with the adhesive are mutually attached, and the adhesives on the inner walls of the first flat material strip and the second flat material strip are mutually compounded, so that the first flat material strip and the second flat material strip are mutually adhered to form a composite material strip;
s4, in the process of conveying the material belt in a stepping manner, the composite material belt enters between an upper die and a lower die of a blanking die, and is subjected to the mutual matching blanking action of the upper die and the lower die of the blanking die to blanking and form a product, or
In the step-by-step feeding and feeding process, the composite material belt is wound to form a coiled material belt.
According to the above-described method for manufacturing a composite material tape, a leveling and curing step is further included between step S3 and step S4, in which the composite material tape is fed between an upper leveling die and a lower leveling die of a leveling and curing apparatus, and the upper leveling die and the lower leveling die of the leveling and curing apparatus press upper and lower surfaces of the composite material tape, respectively, to perform leveling treatment on the upper and lower surfaces of the composite material tape, and in which an adhesive on the composite material tape is cured during leveling, so that the first and second flat material tapes are firmly adhered to each other.
According to the above method for manufacturing a composite tape, in the leveling and curing step, the adhesive is cured by providing a heating element on the upper leveling die and/or the lower leveling die, or
In the leveling and curing step, the adhesive is cured by arranging an accelerator spraying device at the material belt inlet or material belt output end of the adhesive spraying device, and the accelerator sprayed by the accelerator spraying device is compounded with the sprayed adhesive to perform normal-temperature curing treatment.
According to the above-mentioned method for manufacturing a composite material tape, in step S1, two material tapes are respectively output from two material tape rolls on a material rack, and after being output, the two material tapes are respectively fed into two sets of leveling machines for leveling treatment, and after leveling, the two material tapes are fed into step S2.
According to the above-described method for manufacturing a composite material tape, in step S2, the adhesive is sprayed from two spraying portions on the adhesive spraying apparatus to be coated on the inner wall of the first flat material tape and the inner wall of the second flat material tape, respectively, and the adhesive is applied and then the process proceeds to step S3.
According to one method of manufacturing a composite tape as described above, in step S3, the first and second flat tapes coated with the adhesive are simultaneously fed into the first feeder to cause the adhesive on the first flat tape and the adhesive on the second flat tape to be compounded with each other so that the first and second flat tapes are bonded together to form the composite tape.
According to the above-mentioned method for manufacturing a composite material belt, the step S4 of feeding the composite material belt directly between the upper die and the lower die of the blanking die further comprises a transition feeding step, and the flattened and solidified composite material belt is fed by the second feeder into the space between the upper die and the lower die of the blanking die during the step-wise feeding of the material belt.
According to the above-mentioned method for manufacturing a composite material belt, the method further comprises a material belt conveying buffer step before the transition feeding step, and the composite material belt sags in an arc shape to form a material belt buffer zone in the step-by-step material belt conveying process.
According to the above method for manufacturing a composite material strip, the blanking die is a scattered laminated iron core blanking die, each iron core sheet in the laminated iron core which is formed and discharged is in a scattered state, or
Buckle-joint type laminated iron core blanking forming die, and each iron core sheet in laminated iron core formed and discharged by the forming die is in a mutually buckled state, or
The punching forming die for the bonded laminated iron core and each iron core sheet in the laminated iron core formed and discharged by the punching forming die are in a mutually bonded state.
According to the manufacturing method of the composite material belt, the two material belts are both made of silicon steel; the adhesive thickness applied to the first and second flat strips was 0.003mm.
The application relates to a manufacturing method of a composite material belt, which has the following beneficial effects:
1. the two silicon steel sheet material belts smaller than 0.2mm are bonded by the adhesive and solidified to form the composite material belt, so that the thickness of the material belt after bonding and compounding the ultrathin material belt can meet the blanking process conditions, the working efficiency of the motor can be ensured by the laminated iron core formed by the composite material belt, in addition, the two material belts are blanked at one time during blanking and forming of the composite material belt, which is twice that of a single material belt, and the production efficiency is further improved, so that the production operation cost is reduced.
2. The thickness of the coating adhesive can be kept to be 0.003mm on two sides at present, so that the technical problem that the composite material belt is thicker due to the thickness of glue can be almost ignored, and the blanking technological condition requirement of high-speed production of the laminated iron core is further met.
Drawings
Fig. 1 is a schematic diagram of the overall manufacturing flow of the combination of the first embodiment and the third embodiment.
Fig. 2 is a schematic overall manufacturing flow chart of the second embodiment.
In the figure: 1. a material rack; 10. a coil of stock strip; 11. a first flat material strip; 12. a second flattening belt; 13. a composite material belt; 2. a leveler; 21. a leveling roller set; 211. a leveling roller is arranged on the upper surface; 212. a lower leveling roller; 3. an adhesive spraying device; 31. a nozzle; 4. a first feeder; 41. a first upper feed roll set; 42. a first lower feed roll set; 411. a feed roller; 5. leveling and curing device; 51. a leveling die is arranged on the upper part; 52. a lower leveling die; 6. a collection rack; 61. a winding shaft; 7. a second feeder; 71. a second upper feed roll set; 72. a second lower feed roll set; 8. blanking a die; 81. an upper die; 82. a lower die;
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
Embodiment one:
as shown in fig. 1 and 2, the method for manufacturing a composite material belt according to the embodiment includes the following specific steps:
s1, respectively outputting two material belts with the thickness smaller than 0.2mm from two material belt rolls 10 on a material frame 1, respectively conveying the two material belts in a stepping mode, leveling in the conveying process, respectively feeding the two material belts after output into two groups of leveling machines 2 for leveling treatment, and outputting and entering a step S2 after leveling; wherein each of the leveling machines 2 may be constituted by at least two sets of leveling roller sets 21, each leveling roller set 21 including an upper leveling roller 211 and a lower leveling roller 212, so that the outputted material tape is leveled by being pressed by the upper leveling roller 211 and the lower leveling roller 212, thereby forming the first leveling material tape 11 and the second leveling material tape 12, respectively. Wherein, two material area are the material area of silicon steel material.
S2, respectively coating adhesives on the inner wall of the first flat material conveying belt 11 and the inner wall of the second flat material conveying belt 12 in the process of stepping type material conveying belt; wherein the adhesive is sprayed from two spraying parts on the adhesive spraying device 3 to be coated on the inner wall of the first flat material strip 11 and the inner wall of the second flat material strip 12, respectively, and the adhesive is output and proceeds to step S3 after being coated. The positions of the two spraying positions are mutually corresponding so that the inner wall at the same position on the two flat material belts passing through the adhesive spraying equipment 3 can be coated with adhesive, the two spraying positions are all the nozzles 31, the nozzles 31 are provided with two groups and are oppositely arranged, the nozzles 31 in each group are arranged in a plurality, the arranged nozzles 31 are arranged in a straight line shape along the advancing direction of the material belts, the inner wall of the material belt to be sprayed is positioned at the side of each nozzle 31 during spraying, and each nozzle 31 is vertically arranged with the material belt so as to ensure that the adhesive is accurately sprayed on the inner wall of the material belt, and the thickness of the adhesive coated on the first flat material belt 11 and the second flat material belt 12 is 0.003mm.
Preferably, a material belt supporting structure is arranged in front of each spraying part, the first flat material belt 11 is positioned between one spraying part and one material belt supporting structure, and the material belt supporting structure is supported on the back surface of the first flat material belt 11; a second flat strip 12 is located between the other spray section and the other strip support structure, and the strip support structure is supported on the back of the second flat strip 12; the material belt supporting structure positioned on the back of the first flat material belt 11 is a magnetic attraction piece, and the magnetic attraction piece can be arranged at the left end and the right end above the adhesive spraying equipment 3 or can be arranged in the middle part above the adhesive spraying equipment 3 (the area of the middle magnetic attraction piece is larger) so as to suspend the part of the first flat material belt 11 above the adhesive spraying equipment 3; the material belt support structure on the back of the second flat material belt 12 is a support roller set or a magnetic attraction member.
S3, in the process of conveying the material belts in a stepping mode, the first flat material belt 11 and the second flat material belt 12 coated with the adhesive simultaneously enter the first material conveyor 4 to press the outer walls of the first flat material belt 11 and the second flat material belt 12, the first flat material belt 11 and the second flat material belt 12 coated with the adhesive are attached to each other, and the adhesives on the inner walls of the first flat material belt 11 and the second flat material belt 12 are compounded with each other, so that the first flat material belt 11 and the second flat material belt 12 are bonded with each other to form the compound material belt 13. The first feeder 4 includes a first upper feeding roller set 41 and a first lower feeding roller set 42, so that the first flat material strip 11 and the second flat material strip 12 are between the first upper feeding roller set 41 and the first lower feeding roller set 42, and feeding and two flat material strips are combined by rotating the feeding rollers 411 of the first upper feeding roller set 41 and the first lower feeding roller set 42.
The method further comprises a leveling and curing step, wherein the composite material belt 13 enters between an upper leveling die 51 and a lower leveling die 52 of the leveling and curing device 5 in the process of conveying the material belt in a stepping manner, the upper leveling die 51 and the lower leveling die 52 of the leveling and curing device 5 respectively press the upper surface and the lower surface of the composite material belt 13 and perform leveling treatment on the upper surface and the lower surface of the composite material belt 13, and an adhesive between the composite material belts 13 is cured in the leveling process, so that the first leveling material belt 11 and the second leveling material belt 12 are firmly adhered to each other, and the purpose of leveling is to realize adhesion after the first leveling material belt 11 and the second leveling material belt 12 are tightly adhered to each other; preferably, the adhesive is cured by heating or curing at normal temperature, wherein heating devices such as electromagnetic induction heating coils are arranged on the leveling and curing device 5 during heating and curing, and heating coils are generally arranged on the upper leveling die 51 and/or the lower leveling die 52; the normal temperature curing can be performed by adopting the method that an accelerator spraying device is arranged at the material belt inlet or the material belt output end of the adhesive spraying device 3, and the accelerator sprayed by the accelerator spraying device is compounded with the sprayed adhesive; wherein the leveling and curing device is fixedly arranged in the leveling and curing station, namely, the lower leveling die 52 is fixedly arranged, and the upper leveling die 51 can move towards the lower leveling die 52 so as to press the composite material belt 13.
S4, in the process of conveying the material belt in a stepping mode, the composite material belt 13 enters between an upper die 81 and a lower die 82 of the blanking die 8, and the composite material belt 13 is subjected to the mutual matching blanking action of the upper die 81 and the lower die 82 of the blanking die 8 to blanking and forming a product.
Embodiment two:
as shown in fig. 2, in the method for manufacturing a composite material tape described in this embodiment, step S4 is replaced with: in the step-by-step feeding of the web, the composite web 13 is wound to form a roll, and during winding, the composite web 13 is wound by a winding shaft 61 rotating on the web collecting frame 6.
Embodiment III:
as shown in fig. 1, the manufacturing method of the composite material strip described in this embodiment is implemented on the basis of the first embodiment, so that the step of directly feeding the composite material strip 13 between the upper die 81 and the lower die 82 of the blanking die 8 in the step S4 further includes a transition feeding step, during which the flattened and solidified composite material strip 13 is fed between the upper die 81 and the lower die 82 of the blanking die 8 by the second feeder 7, wherein the second feeder 7 includes the second upper feeding roller set 71 and the second lower feeding roller set 72, the flattened and solidified composite material strip 13 is fed between the second upper feeding roller set 71 and the second lower feeding roller set 72 by the feeding roller 411 on the second upper feeding roller set 71 and the second lower feeding roller set 72 being rotated to convey the composite material strip 13 between the upper die 81 and the lower die 82 of the blanking die 8; wherein, because there is the remote distance between the tail end of mould to the material area collection device, the empty scope of material area stagnates is wider, leads to the air resistance that receives, gravity are bigger, can have the condition such as material strip buckling during the collection, damages the material to support through second feeder 7, increase the pay-off kinetic energy simultaneously, improve the smoothness nature.
Preferably, the feeding step is preceded by a tape feeding buffer step, in which the composite tape 13 sags in an arc shape to form a tape buffer zone.
In the embodiment, the blanking die 8 is a scattered sheet type laminated iron core blanking forming die, and each iron core sheet in the laminated iron core which is formed and discharged is in a scattered sheet state; or, each iron core sheet in the buckling type laminated iron core blanking forming die and the laminated iron core formed and discharged by the buckling type laminated iron core blanking forming die is in a buckling state; or, the iron core sheets in the adhesive laminated iron core blanking forming die and the laminated iron core formed and discharged by the die are in an adhesive state.
The present application is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present application can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present application fall within the scope of the present application.
Claims (10)
1. The manufacturing method of the composite material belt is characterized by comprising the following specific steps:
s1, conveying two material belts with the thickness smaller than 0.2mm in steps respectively, and leveling in the conveying process to form a first flat material belt (11) and a second flat material belt (12) respectively;
s2, respectively coating adhesives on the inner wall of the first flat material conveying belt (11) and the inner wall of the second flat material conveying belt (12) in the process of the step-type material conveying belt;
s3, in the process of conveying the material belt step by step, the first flat material belt (11) and the second flat material belt (12) coated with the adhesive are mutually attached, and the adhesives on the inner walls of the first flat material belt and the second flat material belt (12) are mutually compounded, so that the first flat material belt (11) and the second flat material belt (12) are mutually adhered to form a composite material belt (13);
s4, in the process of conveying the material belt in a stepping mode, the composite material belt (13) enters between an upper die (81) and a lower die (82) of the blanking die (8), and the composite material belt (13) is subjected to the blanking action of the upper die (81) and the lower die (82) of the blanking die (8) to form a product in a blanking mode, or
In the step-by-step feeding process, the composite material belt (13) is wound to form a coiled material belt.
2. A method of manufacturing a composite tape according to claim 1, further comprising a leveling and curing step between step S3 and step S4, wherein the composite tape (13) is fed between an upper leveling die (51) and a lower leveling die (52) of the leveling and curing device (5) during the step feeding of the tape, and the upper leveling die (51) and the lower leveling die (52) of the leveling and curing device (5) press the upper surface and the lower surface of the composite tape (13), respectively, and perform leveling treatment on the upper surface and the lower surface of the composite tape (13), and cure treatment on the adhesive on the composite tape (13) during the leveling, so that the first leveling tape (11) and the second leveling tape (12) are firmly adhered to each other.
3. A method of manufacturing a composite tape according to claim 2, wherein in the leveling and curing step, the adhesive is cured by providing a heating means on the upper leveling die (51) and/or the lower leveling die (52) to heat cure the adhesive, or
In the leveling and curing step, the adhesive is cured by arranging an accelerator spraying device at the material belt inlet or material belt output end of the adhesive spraying device (3), and the accelerator sprayed by the accelerator spraying device is compounded with the sprayed adhesive to perform normal-temperature curing treatment.
4. A method according to claim 1, characterized in that in step S1, two strips are fed out from two rolls (10) on the frame (1) respectively, and fed into two sets of levelers (2) respectively after feeding out for leveling, and after leveling step S2.
5. A method of manufacturing a composite strip according to claim 1, characterized in that in step S2 the adhesive is sprayed from two spraying sections on the adhesive spraying device (3) to be applied to the inner wall of the first flat strip (11) and the inner wall of the second flat strip (12), respectively, and the adhesive is applied and the process proceeds to step S3.
6. A method of manufacturing a composite strip according to claim 1, characterized in that in step S3 the first flat monolith strip (11) and the second flat monolith strip (12) coated with adhesive are fed simultaneously into the first feeder (4) so that the adhesive on the first flat monolith strip (11) and the adhesive on the second flat monolith strip (12) are compounded with each other such that the first flat monolith strip (11) and the second flat monolith strip (12) are bonded together to form the composite strip (13).
7. A method of manufacturing a composite strip according to claim 2, characterized in that the step of feeding the composite strip (13) of step S4 directly between the upper die (81) and the lower die (82) of the blanking die (8) is preceded by a transitional feeding step, during which the flattened and solidified composite strip (13) is fed between the upper die (81) and the lower die (82) of the blanking die (8) by means of the second feeder (7).
8. A method of manufacturing a composite strip according to claim 7, characterized in that the step of feeding the composite strip further comprises a strip feed buffer step, in which the composite strip (13) sags in an arc during the step-wise feeding of the strip to form the strip buffer.
9. The method for manufacturing a composite material belt according to claim 1, wherein the blanking die (8) is a scattered sheet type laminated iron core blanking die, and each iron core sheet in the laminated iron core which is formed and discharged by the blanking die is in a scattered sheet state; or alternatively, the process may be performed,
the iron core plates in the buckled laminated iron core blanking forming die and the laminated iron core which is formed and discharged are in a buckled state; or alternatively, the process may be performed,
the punching forming die for the bonded laminated iron core and each iron core sheet in the laminated iron core formed and discharged by the punching forming die are in a mutually bonded state.
10. The method of manufacturing a composite strip according to any one of claims 1 to 9, wherein both strips are strips of silicon steel; the adhesive thickness applied to the first (11) and second (12) flat strips was 0.003mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311058488.9A CN116749631A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of composite material belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311058488.9A CN116749631A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of composite material belt |
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| CN116749631A true CN116749631A (en) | 2023-09-15 |
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| CN202311058488.9A Pending CN116749631A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of composite material belt |
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| CN115632528A (en) * | 2022-12-21 | 2023-01-20 | 苏州范斯特机械科技有限公司 | Production equipment and production method of motor laminated iron core |
| WO2023073770A1 (en) * | 2021-10-25 | 2023-05-04 | 黒田精工株式会社 | Adhesive application method and adhesive application device for laminated iron core, and manufacturing method and manufacturing device for laminated iron core |
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- 2023-08-22 CN CN202311058488.9A patent/CN116749631A/en active Pending
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| CN110855103A (en) * | 2019-11-29 | 2020-02-28 | 王晶 | Manufacturing equipment and manufacturing method of motor iron core |
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