CN113765246B - Production process of iron core punching strip - Google Patents
Production process of iron core punching strip Download PDFInfo
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- CN113765246B CN113765246B CN202111131640.2A CN202111131640A CN113765246B CN 113765246 B CN113765246 B CN 113765246B CN 202111131640 A CN202111131640 A CN 202111131640A CN 113765246 B CN113765246 B CN 113765246B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/26—Rotor cores with slots for windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The application relates to a production process of an iron core punching strip, which comprises the following steps: s1, punching two rows of first chutes on the steel strip; s2, punching a second chute; s3, punching a strip groove; s4, punching a short groove; s5, separating four punched strips; and S6, respectively rolling the four punched strips. A processing area can form two and dash the piece strip, and the waste material that produces when only punching press first chute, second chute and short groove of the waste material in processing area, and these waste materials are almost inevitable in the production process, can fully improve the utilization ratio in processing area.
Description
Technical Field
The application relates to the field of iron core punching sheets, in particular to a production process of an iron core punching sheet belt.
Background
The motor iron core punching sheet is formed in a winding mode, specifically, a steel belt is conveyed to pass through a punching die to form punching strips, and then the punching sheets are formed in a winding mode.
The production method of the iron core punching sheet in the related technology comprises the following steps: processing a soft magnetic material sheet into a straight strip-shaped steel belt, integrally punching and pressing the steel belt to form a punching strip, wherein the punching strip comprises a plurality of integrally formed T-shaped stator pole teeth, subsequently winding the punching strip to form punching sheets, and finally laminating a plurality of layers of punching sheets to form a columnar stator core.
The above-mentioned related art has the following disadvantages: more waste materials are produced after the sheet punching belt is produced in the traditional steel belt production, and the area utilization rate of the steel belt is low.
Disclosure of Invention
In order to more reasonably utilize the area of a steel belt, the application provides a production process of an iron core punching belt.
The production process of the iron core punching strip adopts the following technical scheme:
a production process of an iron core punching strip comprises the following steps:
s1, conveying the steel strip along the length direction of the steel strip, and punching a plurality of first inclined grooves which penetrate through the steel strip and are distributed at equal intervals along the conveying direction of the steel strip, wherein two rows of the first inclined grooves are formed and are respectively positioned at two ends of the steel strip in the width direction;
s2, punching second chutes between two adjacent first chutes in the same row along the conveying direction of the steel strip, wherein the adjacent first chutes and the second chutes are arranged at equal intervals, and the inclination directions of the first chutes and the second chutes are opposite;
s3, punching a strip groove, namely punching a plurality of grooves along the transmission direction of the steel strip, wherein the steel strip is divided into two processing belts by the plurality of grooves, and two rows of first chutes are respectively positioned on the two processing belts;
s4, punching short grooves, wherein the short grooves are punched on the end parts, close to each other, of the first inclined groove and the second inclined groove on the processing belt, the short grooves are communicated with the first inclined groove and the second inclined groove respectively, so that the processing belt forms two punching strips with the same shape and size, each punching strip comprises a side edge strip and a plurality of T-shaped stator teeth, and one ends of the plurality of T-shaped stator teeth are integrally fixed on the side edge strip;
s5, separating four punched strips;
and S6, respectively rolling the four punched strips.
By adopting the technical scheme, when the steel strip is punched, the steel strip is divided into two processing strips in the strip punching step, wherein the step of punching the first chute and the second chute on the processing strips is completely placed in front of the strip punching groove, because the two processing strips are separated after the strip punching step, when a single processing strip is punched, the area of the processing strip is smaller than that of the steel strip by more than a half, and the processing strip is easy to shift in the transmission process, so that the stability of punching the first chute and the second chute can be improved by placing the step of S3 behind the steps of S1 and S2;
in the step S3, two punched strips can be formed by one processing belt, and the waste material on the processing belt is only the waste material generated when the first chute, the second chute and the short chute are punched, and the waste material is almost unavoidable in the production process, so that the utilization rate of the processing belt can be sufficiently improved.
Preferably, in step S1, the width of the steel strip is measured in advance, and the processing positions of the two rows of first chutes on the steel strip are controlled;
in step S3, the number of the grooves is one, and the two formed processing belts are located on both sides of the groove.
Through adopting above-mentioned technical scheme, the strip groove only needs once to process, and the border of steel band can directly regard as the side strake of punching the piece strip to use, has reduced the processing number of times of strip groove to the at utmost.
Preferably, in step S5, the two punched strips are pulled up and down to separate the two punched strips on the same processing belt.
Through adopting above-mentioned technical scheme, behind the towards short groove, two towards the piece strip on same processing band can be with same level, pull two towards the piece strip this moment and make two towards the piece strip be located different levels, can be more convenient for two separation towards the piece strip.
Preferably, in step S5, the separating device is used to separate the two punched strips on the same processing belt, the separating device limits the side edge strip on one of the punched strips at the end of the processing belt, and then presses the side edge strip on the other punched strip at the end of the processing belt downwards, so that the ends of the two punched strips are located at different heights, thereby separating the two punched strips.
Through adopting above-mentioned technical scheme, splitter can separate two towards the strip automatically to alleviate operating personnel's operating pressure.
Preferably, the splitter includes frame and pressing piece, be equipped with the fixed station on the frame, there is the mobile station along vertical direction sliding connection on the frame, be equipped with the spring on the frame, vertical rebound all the time of spring drive mobile station, when there is not exogenic action on the mobile station, the mobile station top surface flushes with the fixed station top surface, be formed with the holding tank that supplies a plurality of T shape stator teeth to hold between mobile station and the fixed station, two side strakes of two punching strips are respectively along the transmission direction sliding connection in processing area on the mobile station and the fixed station, the pressing piece is pressed two side strakes respectively on the fixed station and on the mobile station.
Through adopting above-mentioned technical scheme, because the part of two towards piece strip T shape stator teeth is crisscross the setting each other, so select to press two side strakes that do not influence each other on two towards piece strips, make one of them towards piece strip pressed on the fixed station, another towards piece strip pressed on the mobile station, the mobile station overcomes the elasticity of spring and moves down under the effect of pressure to make the high position of two side strakes inconsistent, two towards piece strips consequently by the separation.
Preferably, the pressing piece comprises a first driving piece and two pressing plates, the first driving piece drives the two pressing plates to be connected to the base in a sliding mode along the vertical direction, and the two pressing plates press the two side edge strips on the fixed table and the moving table respectively.
Through adopting above-mentioned technical scheme, use two clamp plates to press two side strakes respectively on the fixed station and the mobile station to change the high position of two side strakes, help two to separate towards the piece.
Preferably, the fixed station and the mobile station are respectively provided with a limiting plate, and the two limiting plates are respectively positioned at two sides of the two side strips and prevent the side strips from moving out of the base.
Through adopting above-mentioned technical scheme, owing to at the in-process of two towards the strips of separation, the tip towards the strips is being carried out the rolling, so the side strip is moved on fixed station and mobile station, and at the in-process that removes, the skew easily takes place for the position of side strip, and the limiting plate can prevent that the side strip from shifting out the frame, makes splitter can normally separate two towards the strips.
Preferably, the clamp plate is connected with a plurality of first gyro wheels towards one side of frame rotation, and a plurality of first gyro wheels set up on the clamp plate along the direction of transmission in processing area, the direction of transmission in axis direction perpendicular to processing area of first gyro wheel rotates between the adjacent first gyro wheel and is connected with the second gyro wheel, and the direction of axis of second gyro wheel is the slope setting, when the side strake transmits to when passing through the clamp plate, the side strake removes to the butt on corresponding the limiting plate under the effect of second gyro wheel.
Through adopting above-mentioned technical scheme, when the side bar passes through the second gyro wheel, the second gyro wheel rotates and can drive the side bar and remove towards corresponding limiting plate one side to make two side bars homoenergetic move to the butt on corresponding the limiting plate towards the direction of keeping away from each other, change in two separation of towards the piece bar.
In summary, the present application includes at least one of the following beneficial technical effects:
by controlling the processing positions of the two rows of first chutes on the steel belt, the strip groove only needs to be processed once, and the edge of the steel belt can be directly used as a side edge strip of a punching strip, so that the processing times of the strip groove are reduced to the maximum extent;
through setting up the clamp plate, use two clamp plates to press two side strakes respectively on the fixed station and the mobile station to change the high position of two side strakes, help two to separate towards the piece.
Drawings
FIG. 1 is a process flow diagram of an embodiment.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a separation apparatus according to an embodiment of the present application.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Description of the reference numerals: 1. a steel belt; 11. a first chute; 12. a second chute; 13. a strip groove; 14. a short slot; 15. punching a sheet strip; 151. a side bar; 152. t-shaped stator teeth; 16. processing the belt; 2. a separation device; 21. a machine base; 22. a pressing member; 221. pressing a plate; 23. a drive member; 231. a first stage; 232. a second station; 233. a first cylinder; 234. a second cylinder; 241. a mobile station; 242. a fixed table; 25. a chute; 251. a spring; 26. accommodating a tank; 27. a limiting plate; 281. a first roller; 282. a second roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a production process of an iron core punching strip, which comprises the following steps with reference to fig. 1 and 2:
s1, measuring the width of the steel strip 1 in advance, controlling the processing positions of two rows of first chutes 11 on the steel strip 1, conveying the steel strip 1 along the length direction of the steel strip 1, punching a plurality of first chutes 11 which penetrate through the steel strip 1 and are distributed at equal intervals along the conveying direction of the steel strip 1, wherein the first chutes 11 are arranged in two rows, and the two rows of first chutes 11 are respectively positioned at two ends of the steel strip 1 in the width direction;
s2, punching a second chute 12 between two adjacent first chutes 11 in the same row along the conveying direction of the steel strip 1, wherein the adjacent first chutes 11 and the second chutes 12 are arranged at equal intervals, and the inclination directions of the first chutes 11 and the second chutes 12 are opposite;
s3, punching a strip groove 13 along the transmission direction of the steel strip 1, dividing the steel strip 1 into two processing belts 16 by the strip groove 13, respectively positioning two rows of first chutes 11 on the two processing belts 16, and respectively positioning the two formed processing belts 16 on two sides of the strip groove 13;
s4, punching short grooves 14, punching the short grooves 14 on the end parts, close to each other, of the first inclined grooves 11 and the second inclined grooves 12 on the processing belt 16, wherein the short grooves 14 are respectively communicated with the first inclined grooves 11 and the second inclined grooves 12, so that the processing belt 16 forms two punching strips 15 with the same shape and size, each punching strip 15 comprises a side edge strip 151 and a plurality of T-shaped stator teeth 152, and one ends of the T-shaped stator teeth 152 are integrally fixed on the side edge strip 151;
s5, separating the four punched strips 15, separating the two punched strips 15 on the same processing belt 16 by pulling the two punched strips 15 up and down, separating the two punched strips 15 on the same processing belt 16 by using a separating device 2, limiting a side edge 151 on one punched strip 15 at the end of the processing belt 16 by the separating device 2, and then pressing the side edge 151 on the other punched strip 15 at the end of the processing belt 16 downwards to enable the ends of the two punched strips 15 to be located at different heights, thereby separating the two punched strips 15;
referring to fig. 3 and 4, since one steel strip 1 can be divided into two processing belts 16, there are two separating devices 2, the two separating devices 2 correspond to the two processing belts 16 one by one, and the separating device 2 separates the two punched strips 15 on the corresponding processing belts 16.
Referring to fig. 2 and 3, the separation apparatus 2 includes a base 21 and a pressing member 22, a fixed station 242 is fixedly connected to a top surface of the base 21, the fixed station 242 is located at one end of the base 21 in the width direction, the length direction of the fixed station 242 is parallel to the length direction of the base 21, a sliding groove 25 with two communicated ends is formed in the top surface of the base 21, the length direction of the sliding groove 25 is parallel to the length direction of the base 21, the sliding groove 25 is located at one end of the base 21 in the width direction far away from the fixed station 242, a moving platform 241 is slidably connected to the sliding groove 25 in the vertical direction, and the length direction of the moving platform 241 is parallel to the length direction of the fixed station 242. A spring 251 is disposed on the sliding slot 25, and two ends of the spring 251 are respectively and fixedly connected to the top surface of the mobile station 241 and the bottom wall of the sliding slot 25. An accommodating groove 26 for accommodating the plurality of T-shaped stator teeth 152 is formed between the movable table 241 and the fixed table 242, the top surfaces of the movable table 241 and the fixed table 242 are respectively fixedly connected with a limiting plate 27, the length direction of the limiting plate 27 is parallel to the length direction of the machine base 21, and the two limiting plates 27 are respectively positioned at one ends, far away from each other, of the fixed table 242 and the movable table 241. When the movable stage 241 is not subjected to an external force, the movable stage 241 is moved by the spring 251 until the top surface of the movable stage 241 is flush with the top surface of the fixed stage 242.
Referring to fig. 2, the conveying direction of the processing belt 16 is parallel to the longitudinal direction of the machine base 21, when the processing belt 16 passes through the machine base 21, the two side bars 151 to be processed are slidably connected to the top surface of the moving stage 241 and the top surface of the fixed stage 242 along the conveying direction of the processing belt 16, respectively, and the pressing member 22 presses the two side bars 151 to the fixed stage 242 and the moving stage 241, respectively. When the pressing member 22 presses the side bars 151 against the moving table 241, the moving table 241 moves downward against the elastic force of the spring 251 to move the side bars 151 on the moving table 241 downward, so that the height positions of the two side bars 151 are not consistent, and the two punching bars 15 are separated accordingly.
Referring to fig. 3 and 4, the pressing member 22 includes a first driving member 23 and two pressing plates 221, the first driving member 23 includes a first table 231, a second table 232, a first air cylinder 233 and a second air cylinder 234, the first table 231 is fixedly connected to the top surface of the position-limiting plate 27 connected to the fixing table 242, the first air cylinder 233 is fixedly connected to the top surface of the first table 231, and a piston rod of the first air cylinder 233 vertically extends downward and is fixedly connected to one of the pressing plates 221. The second table 232 is fixedly connected to the top surface of the base 21, the fixing position of the second table 232 and the base 21 is located on one side of the movable table 241 far away from the fixed table 242, the second cylinder 234 is fixedly connected to the top surface of the second table 232, and a piston rod of the second cylinder 234 vertically extends downwards and is fixedly connected with the other pressing plate 221. The length directions of the two pressing plates 221 are parallel to the length direction of the base 21.
Referring to fig. 2 and 4, the pressing plate 221 is rotatably connected with a plurality of first rollers 281 facing the lateral side of one side of the machine base 21, the plurality of first rollers 281 are uniformly arranged on the pressing plate 221 along the transmission direction of the processing belt 16, the axial direction of the first rollers 281 is perpendicular to the transmission direction of the processing belt 16, a second roller 282 is rotatably connected between adjacent first rollers 281, the axial direction of the second roller 282 is inclined, when the side edge 151 is transmitted to the pressing plate 221, the side edge 151 is more easily moved towards one side of the transmission direction under the action of the first rollers 281, the side edge 151 can be moved to be abutted against the corresponding limiting plate 27 under the action of the second rollers 282, and separation of two punching strips 15 is facilitated.
When the piston rod of the first cylinder 233 extends, the pressing plate 221 on the first cylinder 233 drives the first roller 281 and the second roller 282 to press the side bar 151 on the fixing table 242, and along with the rolling of the punched strip 15, the side bar 151 can slide on the fixing table 242, and the pressure applied to the side bar 151 is not large, so that the side bar cannot generate large friction with the top surface of the fixing table 242 in the transmission process, and meanwhile, the first roller 281 and the second roller 282 can play a due role.
When the piston rod of the second cylinder 234 extends, the pressing plate 221 of the second cylinder 234 drives the first roller 281 and the second roller 282 to press the side bar 151 on the moving table 241, at this time, the moving table 241 overcomes the elastic force of the spring 251 to move until the top surface of the moving table 241 is flush with the top surface of the base 21, and the side bar 151 moves to abut against the top surfaces of the moving table 241 and the base 21 along with the movement of the moving table 241.
Because the two processing belts 16 need to be separated by punching the strips 15, the two machine bases 21 are spliced together, one side surfaces in the width direction of the two fixing tables 242 abut against each other, one side surfaces of the two abutting plates on the two fixing tables 242 abut against each other, and the strip groove 13 can just pass through between the two abutting plates.
S6, the four punching strips 15 are respectively rolled, the rolled punching strips 15 are in a reel shape, when the stator core needs to be used, an operator cuts the punching strips 15 of one reel in a segmented mode, then the cut punching strips 15 are wound to form punching sheets, and finally the multiple punching sheets are laminated to form a columnar stator core.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. A production process of an iron core punching strip is characterized by comprising the following steps: the method comprises the following steps:
s1, measuring the width of the steel strip (1) in advance, controlling the processing positions of two rows of first chutes (11) on the steel strip (1), conveying the steel strip (1) along the length direction of the steel strip (1), punching a plurality of first chutes (11) which penetrate through the steel strip (1) and are distributed at equal intervals along the conveying direction of the steel strip (1), wherein the two rows of first chutes (11) are arranged at two ends of the steel strip (1) in the width direction respectively;
s2, punching second chutes (12) between two adjacent first chutes (11) in the same row along the conveying direction of the steel strip (1), wherein the adjacent first chutes (11) and the second chutes (12) are arranged at equal intervals, and the inclination directions of the first chutes (11) and the second chutes (12) are opposite;
s3, punching a strip groove (13), punching a plurality of grooves (13) along the transmission direction of the steel strip (1), dividing the steel strip (1) into two processing belts (16) by the plurality of grooves (13), respectively arranging two rows of first chutes (11) on the two processing belts (16), respectively arranging one strip groove (13), and respectively arranging the two formed processing belts (16) on two sides of the strip groove (13);
s4, punching short grooves (14), punching the short grooves (14) on the end parts, close to each other, of a first inclined groove (11) and a second inclined groove (12) on a processing belt (16), wherein the short grooves (14) are communicated with the first inclined groove (11) and the second inclined groove (12) respectively, so that the processing belt (16) forms two punching strips (15) with the same shape and size, each punching strip (15) comprises a side edge strip (151) and a plurality of T-shaped stator teeth (152), and one ends of the T-shaped stator teeth (152) are integrally fixed on the side edge strip (151);
s5, separating four punching strips (15), separating the two punching strips (15) on the same processing belt (16) by vertically pulling the two punching strips (15), separating the two punching strips (15) on the same processing belt (16) by using a separating device (2), limiting a side edge strip (151) on one punching strip (15) at the end part of the processing belt (16) by the separating device (2), and then pressing the side edge strip (151) on the other punching strip (15) at the end part of the processing belt (16) downwards to enable the end parts of the two punching strips (15) to be located at different heights, so that the two punching strips (15) are separated;
and S6, the four punching strips (15) are respectively rolled.
2. The process for producing an iron core blanking strip according to claim 1, wherein: the separation equipment (2) comprises a machine base (21) and a pressing piece (22), a fixed table (242) is arranged on the machine base (21), the base (21) is connected with a mobile station (241) in a sliding way along the vertical direction, the base (21) is provided with a spring (251), the spring (251) drives the mobile station (241) to move vertically and upwards all the time, when no external force acts on the mobile station (241), the top surface of the mobile station (241) is flush with the top surface of the fixed station (242), a receiving groove (26) for receiving a plurality of T-shaped stator teeth (152) is formed between the moving table (241) and the fixed table (242), two side edge strips (151) of the two punching strips (15) are respectively connected on the moving table (241) and the fixed table (242) in a sliding way along the transmission direction of the processing belt (16), the pressing member (22) presses the two side bars (151) against the fixed base (242) and the movable base (241), respectively.
3. The process for producing an iron core blanking strip according to claim 2, wherein: the pressing piece (22) comprises a driving piece (23) and two pressing plates (221), the driving piece (23) drives the two pressing plates (221) to be connected to the base (21) in a sliding mode along the vertical direction, and the two pressing plates (221) press the two side edge strips (151) on the fixed table (242) and the moving table (241) respectively.
4. The process for producing an iron core blanking strip according to claim 2, wherein: limiting plates (27) are respectively arranged on the fixed table (242) and the moving table (241), and the two limiting plates (27) are respectively positioned on two sides of the two side strips (151) and prevent the side strips (151) from moving out of the machine base (21).
5. The process for producing an iron core blanking strip according to claim 3, wherein: the utility model discloses a processing machine, including clamp plate (221), press plate (221), a plurality of first gyro wheels (281) set up on clamp plate (221) along the direction of transmission of processing area (16) side rotation of orientation, the direction of transmission of the axis direction perpendicular to processing area (16) of first gyro wheel (281), and rotation is connected with second gyro wheel (282) between adjacent first gyro wheel (281), and the axis direction of second gyro wheel (282) is the slope setting, when side strake (151) transmit to when passing through clamp plate (221), side strake (151) move to the butt under the effect of second gyro wheel (282) on corresponding limiting plate (27).
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| Publication number | Publication date |
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| CN113765246A (en) | 2021-12-07 |
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