CN108043955B - Motor stator and motor rotor iron core sheet molding progressive die and molding process - Google Patents
Motor stator and motor rotor iron core sheet molding progressive die and molding process Download PDFInfo
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- CN108043955B CN108043955B CN201810079094.4A CN201810079094A CN108043955B CN 108043955 B CN108043955 B CN 108043955B CN 201810079094 A CN201810079094 A CN 201810079094A CN 108043955 B CN108043955 B CN 108043955B
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- blanking
- fixing plate
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- male
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The application discloses a progressive die for molding iron core sheets of a motor stator and a motor rotor, which sequentially comprises an upper die holder, a stripper plate seat, a stripper plate, a female die fixing plate, a lower die holder and a lower die holder base plate from top to bottom, wherein three male die fixing plates, a step hole male die gasket, a blanking male die fixing plate and a blanking male die fixing member are arranged between the upper die holder and the stripper plate seat, and the three male die fixing plates are respectively fixed on the bottom surface of the upper die holder through the upper die holder base plate; each male die fixing plate is provided with a guide hole male die, a step hole male die, a two-pass male die, two buckling point male dies, a shaft hole male die and two blanking male dies; the female die fixing plate is sequentially embedded with a guide hole female die, a step hole female die, a two-way piece female die, a two-fastening point female die, a shaft hole female die, two blanking female dies and a stator inner hole female die from left to right. The structure of the motor stator iron core sheet and the motor rotor iron core sheet forming device achieves the forming of the motor stator iron core sheet and the motor rotor iron core sheet on one pair of dies and one piece of bar material, reduces the waste of the bar material, reduces the production cost and improves the income of companies.
Description
Technical Field
The application relates to the technical field of progressive dies, in particular to a progressive die for forming iron core sheets of a motor stator and a motor rotor and a forming process.
Background
In the prior art, two different moulds are adopted in the production process of the motor stator iron core plate and the electronic rotor iron core plate to be respectively molded in two punching machines, and the molding production mode needs two bar materials to respectively produce the motor stator iron core plate and the electronic rotor iron core plate, and each bar material after production can only be treated as waste, so that the material waste is quite large during mass production, and the processing center needs to purchase a large amount of bar materials to produce due to serious waste, so the production cost is improved, and the income of companies is influenced.
Disclosure of Invention
The application aims to solve the defects of the technology, and provides a motor stator and motor rotor core sheet molding progressive die and a molding process, which are used for reducing material waste and production cost.
The application relates to a progressive die for molding iron core sheets of a motor stator and a motor rotor, which sequentially comprises an upper die holder, a stripper seat, a stripper plate, a female die fixing plate, a lower die holder and a lower die holder base plate from top to bottom, wherein a male die fixing plate I, a step hole male die gasket, a male die fixing plate II, a blanking male die fixing plate, a male die fixing plate III and a blanking male die fixing member are sequentially arranged between the upper die holder and the stripper seat from left to right; a pilot hole punch is fixed on the punch fixing plate I, a step hole punch is fixed at the bottom of the step hole punch gasket, a through sheet punch I, a buckling point punch II and a shaft hole punch are sequentially inserted into the punch fixing plate II from left to right, a blanking punch is fixed on the blanking punch fixing plate, a pressing rod I is inserted into the blanking punch, a through sheet punch II, a stator inner hole punch and a buckling point punch III are sequentially inserted into the punch fixing plate III from left to right, and a punching rod and a pressing rod are inserted into the blanking punch fixing piece from left to right; the female die fixing plate is sequentially embedded with a guide hole female die corresponding to the position of a guide hole male die, a step hole female die corresponding to the position of a step hole male die, a through sheet female die corresponding to the position of a through sheet male die, a buckling point female die with two concave cavities, a shaft hole female die corresponding to the position of a shaft hole male die, a blanking female die corresponding to the position of a blanking male die, a through sheet female die corresponding to the position of a through sheet male die, a stator inner hole female die corresponding to the position of a stator inner hole male die, a buckling point female die corresponding to the position of a buckling point male die and a blanking female die corresponding to the position of a blanking male die fixing piece from left to right; further preferably, the bottoms of the first blanking die and the second blanking die are provided with tightening rings, the tightening rings are embedded into the lower die holder, and the tightening rings at the bottoms of the second blanking die further realize buckling after stacking of the rotor core sheets; the top of step hole terrace die packing ring is fixed with the packing ring, the top of packing ring is fixed with step Kong Jiegan, the top of leading to piece terrace die one and leading to piece terrace die two is fixed with and leads to the piece and connect the pole, the top that leads to the piece and connect the pole and the top that step hole connects the pole have respectively the ladder bench body, the top that the step hole connects the pole and the top that leads to the piece are equipped with the apron, and install mobilizable drawing board between apron and the ladder bench body, the bottom surface of drawing board is equipped with the trapezoidal spout that corresponds the matching with the ladder bench body, the ladder bench body inserts in the trapezoidal spout, step Kong Jiegan, lead to the piece and connect pole, the packing ring is installed respectively in the hole of upper die base.
The beneficial effect of above-mentioned structure: the structure of the motor stator iron core sheet and the motor rotor iron core sheet forming machine is characterized in that the motor stator iron core sheet and the motor rotor iron core sheet forming machine are formed on a pair of dies and a strip material, and meanwhile, the motor rotor iron core sheets are stacked and fastened one by one, so that waste of the strip material is reduced, purchase of the strip material can be reduced, production cost is reduced, and income of companies is improved.
Further preferably, floating material nails capable of floating up and down are arranged at the side of the guide hole female die, the side of the through piece female die I and the side of the blanking female die II, the bottoms of the floating material nails at the side of the guide hole female die are abutted against the first springs, and the first springs are arranged in the female die fixing plate; the lower die holder is provided with a second arranging channel and a third arranging channel which respectively correspond to the positions of the floating nails at the side of the first sheet-passing female die and the floating nails at the side of the second blanking female die; the second and third connecting rods are respectively arranged in the second and third arranging channels, the second spring is arranged at the top of the third connecting rod, and the floating material nails beside the first sheet-passing female die and the floating material nails beside the second blanking female die respectively abut against the second spring. The structure of the stamping die is characterized in that after one-time stamping of the floating material nail is completed, the strip-shaped material attached to the top surface of the female die fixing plate is jacked up through the first spring and the second spring, so that the strip-shaped material can be conveniently and continuously translated to a station, and the next stamping can be continuously performed.
Further preferably, a starting stop pin capable of manually controlling jacking or retraction is inserted into the lower die holder, and the starting stop pin is positioned below the pilot pin. The structure of the die is manually positioned by the starting stop pin and then positioned at the front end of the die when the first stamping strip is formed, so that the waste of materials is avoided in the later-stage punching process, and the practicability of the die is improved.
Further preferably, the third spring and the guide nail are arranged in the upper die holder, the third spring and the guide nail are arranged in a channel on the left side of the gasket, the top of the channel of the upper die holder is closed by the fixed plug, two ends of the third spring respectively abut against the guide nail and the fixed plug, the guide nail embedding sleeve corresponding to the position of the guide nail is embedded in the bottom of the stripper plate seat, and the bottom of the guide nail sequentially penetrates through the guide nail embedding sleeve and the stripper plate. The structure of the blanking device utilizes the guide nails after the upper die holder moves downwards to be inserted into the guide holes after blanking, so that the positions of the strip materials are accurately positioned, and the blanking precision is improved.
Further preferably, the top of the stripper plate seat is provided with a first positioning groove corresponding to the first position of the male die fixing plate, a second positioning groove corresponding to the second position of the male die fixing plate, a third positioning groove corresponding to the blanking male die fixing plate and a fourth positioning groove corresponding to the third position of the male die fixing plate in sequence from left to right, when the upper die holder moves downwards, the first male die fixing plate can be correspondingly inserted into the first positioning groove, the second male die fixing plate can be correspondingly inserted into the second positioning groove, the blanking male die fixing plate can be correspondingly inserted into the third positioning groove, and the third male die fixing plate can be correspondingly inserted into the fourth positioning groove. The structure of the punch press fixing device can accurately position each punch fixing plate in downward displacement, so that punch deviation is prevented in high-force punching, punching precision is improved, and the punch fixing plates are further limited in downward displacement.
Further preferably, a positioning blind hole is formed in the inner bottom surface of the positioning groove III, a positioning column is fixed on the bottom surface of the blanking male die fixing plate, the blanking male die fixing plate moves downwards, and the positioning column can be correspondingly inserted into the positioning blind hole. Seven its structure makes to carry out better location and spacing effect when moving down blanking punch holder, promotes the performance of mould.
Further preferably, the upper die holder is provided with an installation channel corresponding to the position of the beating rod, the top of the beating rod is inserted into the installation channel, the beating rod extension rod and the spring IV are implanted into the installation channel, the top of the installation channel is sealed by the fixing plug, and two ends of the spring IV are respectively abutted against the beating rod extension rod and the fixing plug. The beating rod in the structure is used for preventing the motor stator core piece after blanking from being stuck to the bottom surface of the stripper plate by oil stains, and then the beating rod is downwards beaten out under the action of the spring IV, so that the motor stator core piece falls off, and the unloading effect is better.
Further preferably, a pull rod sleeve is arranged in the upper die holder, the pull rod sleeve is arranged in a channel at the left side of the installation channel, a limit lug is arranged at the top of the pull rod sleeve, a limit step in limit contact with the limit lug is arranged in the channel at the left side of the installation channel on the upper die holder, a limit sleeve corresponding to the position of the pull rod sleeve is fixed on the top surface of the stripper plate seat, the top surface of the limit sleeve is abutted against the bottom of the pull rod sleeve, and the limit sleeve is in clearance fit with the channel at the left side of the installation channel on the upper die holder; the structure of the device has the function of positioning the displacement of the upper die holder.
The left side of the pull rod sleeve is provided with a false delivery screw, the false delivery screw is arranged on the upper die holder, the bottom of the false delivery screw sequentially penetrates through the stripper plate seat and the stripper plate, the top of the false delivery screw is abutted with a spring five, and the spring five is abutted with a fixed plug in the upper die holder; the structure of the automatic feeding device prevents the bar materials from being sent by mistake when the bar materials are in position.
The left side of the misfeed screw is provided with a discharging part, a discharging gasket, a discharging spring and a limiting strip, the discharging part, the discharging gasket, the discharging spring and the limiting strip are all arranged in a discharging hole of the upper die holder, a limiting step is arranged in the discharging hole, the discharging gasket is fixed at the limiting step, the discharging gasket and the discharging spring are further sleeved on the discharging part, two ends of the discharging spring respectively abut against protruding parts at the bottom of the discharging gasket and the discharging part, the limiting strip is fixed on the top surface of the discharging plate seat, and the bottom of the discharging part abuts against the limiting strip. The structure of the blanking device realizes that after one-time blanking is finished, the upper die base moves upwards and then the stripper plate base and the stripper plate move downwards under the action of the unloading spring, so that unloading is realized.
Further preferably, a side guide plate is fixed on the left side of the top surface of the lower die holder, an L-shaped feeding plate is fixed on the left side of the top surface of the side guide plate, and a material bearing plate is fixed on the left bottom surface of the side guide plate. The structure of the device is provided with the functions of positioning and preventing dislocation when the strip-shaped material is processed.
A shaping technology of the shaping progressive die of the core piece of the stator and the rotor of the electrical machinery, adopt the shaping progressive die of the core piece of the stator and the rotor of the electrical machinery, it includes the following blanking step specifically:
a. the strip-shaped material is clamped between the stripper plate and the female die fixing plate, and is subjected to blanking preparation;
b. the upper die holder moves downwards to sequentially and stepwise punch out a guide hole, a step hole, a through sheet I, a buckling point I, a shaft hole, a motor rotor iron chip blanking, a through sheet II, a stator inner hole, a buckling point II and a motor rotor iron chip blanking from left to right on a bar material by utilizing a punching machine, and the formed motor rotor iron chip and the motor rotor iron chip fall into a tightening ring respectively to be locked and positioned;
c. after the upper die holder is moved up once in blanking, the floating material nails automatically float upwards to jack up the strip-shaped material and then move forwards by one station;
d. the motor rotor iron core plates are stacked one by one and fastened after being pressed down in the tightening ring at the bottom of the blanking female die II through the pressing rod.
The beneficial effects of the process are as follows: the process realizes the forming of the motor stator iron core plates and the motor rotor iron core plates on one pair of dies and one strip material, and simultaneously stacks and buckles the plurality of motor rotor iron core plates one by one, thereby reducing the waste of the strip material, reducing the purchase of the strip material, reducing the production cost and improving the income of companies.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
fig. 2 is a schematic diagram of the structure of a stator core of a motor of embodiment 1;
FIG. 3 is a schematic view of the structure of a stator core plate of a first motor according to embodiment 1;
FIG. 4 is a schematic view showing the structure of a second motor stator core plate of embodiment 1;
fig. 5 is a schematic view of the structure of a third motor stator core plate of embodiment 1.
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.
Example 1:
as shown in fig. 1-5, the progressive die for molding the iron core sheets of the motor stator and the motor rotor described in the embodiment sequentially comprises an upper die holder 7, a stripper plate seat, a stripper plate 3, a female die fixing plate 4, a lower die holder and a lower die holder base plate 6 from top to bottom, wherein a first male die fixing plate 9, a step hole male die gasket 19, a second male die fixing plate 71, a blanking male die fixing plate 30, a third male die fixing plate 72 and a blanking male die fixing plate are sequentially arranged between the upper die holder 7 and the stripper plate seat 2 from left to right, and the first male die fixing plate 9, the second male die fixing plate 71 and the third male die fixing plate 72 are respectively fixed on the bottom surface of the upper die holder 7 through the upper die base plate; the guide hole male die 15 is fixed on the male die fixing plate I9, the step hole male die 18 is fixed at the bottom of the step hole male die gasket 19, the first through piece male die 24, the first buckling point male die 27, the second buckling point male die 73 and the shaft hole male die 70 are sequentially inserted from left to right on the male die fixing plate II 71, the blanking male die 31 is fixed on the blanking male die fixing plate 30, the first compression bar 32 is inserted into the blanking male die 31, the second through piece male die 35, the inner hole male die 38 of the stator and the third buckling point male die 39 are sequentially inserted from left to right on the male die fixing plate III 72, and the punch rod 50 and the second compression bar 52 are inserted from left to right on the blanking male die fixing piece 53; a pilot hole female die 74 corresponding to the position of the pilot hole male die 15, a step hole female die corresponding to the position of the step hole male die 18, a through-piece female die 67 corresponding to the position of the through-piece male die one 24, a buckling point female die one 75 with two concave cavities, a shaft hole female die 76 corresponding to the position of the shaft hole male die 70, a blanking female die one 62 corresponding to the position of the blanking male die 31, a through-piece female die two 34 corresponding to the position of the through-piece male die two 35, a stator inner hole female die 61 corresponding to the position of the stator inner hole male die 38, a buckling point female die two 60 corresponding to the position of the buckling point male die two 39 and a blanking female die two 54 corresponding to the position of the blanking male die fixing piece 53 are sequentially embedded on the female die fixing plate 4 from left to right; further preferably, the bottoms of the first blanking die 62 and the second blanking die 54 are provided with tightening rings 55, the tightening rings 55 are embedded into the lower die holder 5, and the tightening rings at the bottom of the second blanking die 54 further realize the buckling connection after the rotor core sheets are stacked; the top of the step hole male die washer 19 is fixed with a washer 20, the top of the washer 20 is fixed with a step Kong Jiegan, the tops of the first sheet passing male die and the second sheet passing male die are fixed with a sheet passing connecting rod 36, the tops of the sheet passing connecting rod 36 and the step hole connecting rod 21 are respectively provided with a ladder table body, a cover plate 22 is arranged above the top of the step hole connecting rod 21 and above the top of the sheet passing connecting rod 36, a movable drawing plate 23 is arranged between the cover plate 22 and the ladder table body, the bottom surface of the drawing plate 23 is provided with a trapezoidal chute correspondingly matched with the ladder table body, the ladder table body is inserted into the trapezoidal chute, and the steps Kong Jiegan, the sheet passing connecting rod 36 and the washer 20 are respectively arranged in the inner holes of the upper die holder 7; the drawing plate 23 is driven by a cylinder. The step Kong Jiegan 21 and the through piece connecting rod 36 are separated from the step hole male die 18 and the through piece connecting rod 36 which move downwards to punch the step hole and the through piece when the trapezoid chute is formed.
In the embodiment, the side of the pilot hole female die 74, the side of the first through sheet female die 67 and the side of the second blanking female die 54 are respectively provided with a floating nail 13 which can float up and down, the bottom of the floating nail 13 at the side of the pilot hole female die 74 is abutted against a first spring, and the first spring is arranged in the female die fixing plate 4; the lower die holder 5 is provided with a second arranging channel and a third arranging channel which respectively correspond to the positions of the floating nails 13 beside the first sheet-passing female die 67 and the floating nails 13 beside the second blanking female die 54; a second spring 69 and a third connecting rod 68 are arranged in the second arranging channel and the third arranging channel, the second spring 69 is arranged at the top of the third connecting rod 68, and the floating material nails 13 beside the first sheet die 67 and the floating material nails 13 beside the second blanking die 54 respectively abut against the second spring 69.
In this embodiment, the third spring 37 and the guide nail 17 are embedded in the upper die holder 7, the third spring 37 and the guide nail 17 are arranged in a channel on the left side of the gasket, the top of the channel of the upper die holder 7 is closed by a fixing plug, two ends of the third spring 37 respectively abut against the guide nail 17 and the fixing plug, the guide nail insert sleeve 16 corresponding to the position of the guide nail 17 is embedded in the bottom of the stripper plate seat 2, and the bottom of the guide nail 17 sequentially penetrates through the guide nail insert sleeve 16 and the stripper plate 3.
In this embodiment, a starting stop pin 14 capable of being manually controlled to lift up or retract is inserted into the lower die holder 5, and the starting stop pin 14 is located below the guide pin 17.
In this embodiment, the top of the stripper plate 2 is provided with, from left to right, a first positioning slot 46 corresponding to the first punch plate 9, a second positioning slot 77 corresponding to the second punch plate 71, a third positioning slot 78 corresponding to the third blanking punch plate 30, and a fourth positioning slot 79 corresponding to the third punch plate 72 in sequence, when the upper die holder 7 moves down, the first punch plate 9 can be inserted into the first positioning slot 46, the second punch plate 71 can be inserted into the second positioning slot 77, the third blanking punch plate 30 can be inserted into the third positioning slot 78, and the third punch plate 72 can be inserted into the fourth positioning slot 79.
In this embodiment, the inner bottom surface of the positioning groove three 78 is provided with a positioning blind hole 80, the bottom surface of the blanking punch fixing plate 30 is fixed with a positioning column 81, the blanking punch fixing plate 30 moves down, and the positioning column 81 can be correspondingly inserted into the positioning blind hole 80.
In this embodiment, an installation channel corresponding to the position of the driving rod 50 is provided on the upper die holder 7, the top of the driving rod 50 is inserted into the installation channel, the driving rod 82 and the spring four 51 are implanted into the installation channel, the top of the installation channel is closed by a fixing plug, and two ends of the spring four 51 respectively collide with the driving rod 82 and the fixing plug.
In this embodiment, a pull rod sleeve 49 is placed in the upper die holder 1, the pull rod sleeve 49 is placed in a channel at the left side of the installation channel, a limit bump 491 is arranged at the top of the pull rod sleeve 49, a limit step 83 in limit contact with the limit bump 491 is arranged in a channel at the left side of the installation channel on the upper die holder 7, a limit sleeve 48 corresponding to the pull rod sleeve 49 in position is fixed on the top surface of the stripper plate holder 2, the top surface of the limit sleeve 48 is abutted against the bottom of the pull rod sleeve 49, and the limit sleeve 48 is in clearance fit with a channel at the left side of the installation channel on the upper die holder 7.
The left side of pull rod cover 49 is equipped with the mistake and send screw 45, and the mistake is sent screw 45 and is installed on upper die base 7, and the bottom of mistake is sent screw 45 runs through stripper plate seat 2 and stripper plate 3 in proper order, and the top of mistake is sent screw 45 is contradicted and is had five springs 44, and five springs 44 still contradict with the fixed stopper in the upper die base 7.
The left side of the misfeed screw 45 is provided with a discharging part 41, a discharging gasket 42, a discharging spring 43 and a limiting strip 40, the discharging part 41, the discharging gasket 42, the discharging spring 43 and the limiting strip 40 are all arranged in a discharging hole of the upper die holder 7, a limiting step 84 is arranged in the discharging hole, the discharging gasket 42 is fixed at the limiting step 84, the discharging gasket 42 and the discharging spring 43 are further sleeved on the discharging part 41, two ends of the discharging spring 43 respectively abut against protruding parts at the bottoms of the discharging gasket 42 and the discharging part 41, the limiting strip 40 is fixed on the top surface of the discharging plate holder 2, and the bottom of the discharging part 41 abuts against the limiting strip 40.
In this embodiment, a side guide plate 12 is fixed on the left side of the top surface of the lower die holder 5, an L-shaped feeding plate 10 is fixed on the left side of the top surface of the side guide plate 12, and a material receiving plate 11 is fixed on the bottom surface of the left side of the side guide plate 12.
A shaping technology of the shaping progressive die of the core piece of the stator and the rotor of the electrical machinery, adopt the shaping progressive die of the core piece of the stator and the rotor of the electrical machinery, it includes the following blanking step specifically:
a. the bar-shaped material is clamped between the stripper plate 3 and the female die fixing plate 4 and enters blanking preparation;
b. the upper die holder 7 moves downwards by utilizing a punching machine to sequentially and stepwise punch out a guide hole, a step hole, a through sheet I, a buckling point I, a shaft hole, a motor rotor iron chip blanking, a through sheet II, a stator inner hole, a buckling point II and a motor rotor iron chip blanking from left to right on a bar material, and the formed motor rotor iron chip and the motor rotor iron chip fall into a tightening ring respectively for locking and positioning;
c. after the upper die seat 7 is moved up once in blanking, the floating material nails 13 automatically float upwards to jack up the strip-shaped material and then move forwards by one station;
d. the motor rotor iron core plates are stacked one by one and fastened after being pressed down in the tightening ring at the bottom of the blanking female die II through the pressing rod.
The motor stator core structure formed by the stacking and buckling comprises the following components: the first stator core plate 85 at the bottommost part is provided with eight first through plates 851, and the eight first through plates 851 are divided into two groups and are arranged on the stator core plate at the bottommost part in a 90-degree array; the second stator core piece 86 has four second through pieces 861 and four first fastening points 862, the second through pieces and the first fastening points on the second stator core piece 86 are divided into a group of second through pieces 861 and a first fastening point 862 which are arranged on the bottommost stator core piece in a 90-degree array, the third stator core piece 87 also has four third through pieces 871 and four second fastening points 872, the position of the third through piece 871 corresponds to the position of the second fastening points, so that the first stator core piece 85 and the second stator core piece 86 are fastened, the second stator core piece 86 and the third stator core piece 87 are fastened in a staggered manner, and the like, the circulation production is performed through the progressive die until the product production and processing are finished.
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 (9)
1. The utility model provides a motor stator and motor rotor's core chip shaping upgrades mould which characterized in that:
the die comprises an upper die holder, a stripper plate seat, a stripper plate, a female die fixing plate, a lower die holder and a lower die holder base plate from top to bottom, wherein a first male die fixing plate, a step hole male die gasket, a second male die fixing plate, a blanking male die fixing plate, a third male die fixing plate and a blanking male die fixing piece are sequentially arranged between the upper die holder and the stripper plate seat from left to right, and the first male die fixing plate, the second male die fixing plate and the third male die fixing plate are respectively fixed on the bottom surface of the upper die holder through the upper die base plate;
a pilot hole punch is fixed on the punch fixing plate I, a step hole punch is fixed at the bottom of the step hole punch gasket, a through sheet punch I, a buckling point punch II and a shaft hole punch are sequentially inserted into the punch fixing plate II from left to right, a blanking punch is fixed on the blanking punch fixing plate, a pressing rod I is inserted into the blanking punch, a through sheet punch II, a stator inner hole punch and a buckling point punch III are sequentially inserted into the punch fixing plate III from left to right, and a punching rod and a pressing rod are inserted into the blanking punch fixing piece from left to right;
the female die fixing plate is sequentially embedded with a guide hole female die corresponding to the position of a guide hole male die, a step hole female die corresponding to the position of a step hole male die, a through sheet female die corresponding to the position of a through sheet male die, a buckling point female die with two concave cavities, a shaft hole female die corresponding to the position of a shaft hole male die, a blanking female die corresponding to the position of a blanking male die, a through sheet female die corresponding to the position of a through sheet male die, a stator inner hole female die corresponding to the position of a stator inner hole male die, a buckling point female die corresponding to the position of a buckling point male die and a blanking female die corresponding to the position of a blanking male die fixing piece from left to right;
the bottoms of the first blanking die and the second blanking die are provided with tightening rings, the tightening rings are embedded into the lower die holder, and the tightening rings at the bottoms of the second blanking die further realize buckling after stacking of the rotor core sheets;
the top of step hole terrace die packing ring is fixed with the packing ring, the top of packing ring is fixed with step Kong Jiegan, the top of leading to piece terrace die one and leading to piece terrace die two is fixed with and leads to the piece and connect the pole, the top that leads to the piece and connect the pole and the top that step hole connects the pole have respectively the ladder bench body, the top that the step hole connects the pole and the top that leads to the piece are equipped with the apron, and install mobilizable drawing board between apron and the ladder bench body, the bottom surface of drawing board is equipped with the trapezoidal spout that corresponds the matching with the ladder bench body, the ladder bench body inserts in the trapezoidal spout, step Kong Jiegan, lead to the piece and connect pole, the packing ring is installed respectively in the hole of upper die base.
2. The progressive die for molding core pieces of a motor stator and a motor rotor according to claim 1, wherein: the side of the guide hole female die, the side of the first through piece female die and the side of the second blanking female die are respectively provided with a floating material nail capable of floating up and down, the bottoms of the floating material nails at the side of the guide hole female die are abutted with a first spring, and the first spring is arranged in the female die fixing plate; the lower die holder is provided with a second arranging channel and a third arranging channel which respectively correspond to the positions of the floating nails at the side of the first sheet-passing female die and the floating nails at the side of the second blanking female die; the second and third connecting rods are respectively arranged in the second and third arranging channels, the second spring is arranged at the top of the third connecting rod, and the floating material nails beside the first sheet-passing female die and the floating material nails beside the second blanking female die respectively abut against the second spring.
3. The progressive die for molding core pieces of a motor stator and a motor rotor according to claim 1, wherein: the spring III and the guide nail are arranged in the upper die holder, the spring III and the guide nail are arranged in a channel on the left side of the gasket, the top of the channel of the upper die holder is closed by the fixed plug, two ends of the spring III respectively abut against the guide nail and the fixed plug, the guide nail embedding sleeve corresponding to the position of the guide nail is embedded in the bottom of the stripper plate seat, and the bottom of the guide nail sequentially penetrates through the guide nail embedding sleeve and the stripper plate.
4. A progressive die for molding core pieces of a motor stator and a motor rotor according to claim 3, characterized in that: the lower die holder is internally inserted with a starting stop pin which can be manually controlled to jack up or retract, and the starting stop pin is positioned below the pilot pin.
5. The progressive die for molding core pieces of a motor stator and a motor rotor according to claim 1, wherein: the top of the stripper plate seat is sequentially provided with a first positioning groove corresponding to the first position of the male die fixing plate, a second positioning groove corresponding to the second position of the male die fixing plate, a third positioning groove corresponding to the blanking male die fixing plate and a fourth positioning groove corresponding to the third position of the male die fixing plate from left to right, when the upper die holder moves downwards, the first male die fixing plate can be correspondingly inserted into the first positioning groove, the second male die fixing plate can be correspondingly inserted into the second positioning groove, the blanking male die fixing plate can be correspondingly inserted into the third positioning groove, and the third male die fixing plate can be correspondingly inserted into the fourth positioning groove.
6. The progressive die for molding core pieces of a motor stator and a motor rotor according to claim 5, wherein: the inner bottom surface of the positioning groove III is provided with a positioning blind hole, the bottom surface of the blanking male die fixing plate is fixed with a positioning column, the blanking male die fixing plate moves downwards, and the positioning column can be correspondingly inserted into the positioning blind hole.
7. The progressive die for molding core pieces of a motor stator and a motor rotor according to claim 1, wherein: the upper die holder is provided with an installation channel corresponding to the position of the beating rod, the top of the beating rod is inserted into the installation channel, a beating rod connecting rod and a spring IV are implanted into the installation channel, the top of the installation channel is sealed by a fixing plug, and two ends of the spring IV are respectively abutted against the beating rod connecting rod and the fixing plug.
8. The progressive die for molding core pieces of a motor stator and a motor rotor as claimed in claim 7, wherein: a pull rod sleeve is arranged in the upper die holder, the pull rod sleeve is arranged in a channel at the left side of the installation channel, a limit lug is arranged at the top of the pull rod sleeve, a limit step in limit contact with the limit lug is arranged in the channel at the left side of the installation channel on the upper die holder, a limit sleeve corresponding to the position of the pull rod sleeve is fixed on the top surface of the stripper plate seat, the top surface of the limit sleeve is abutted against the bottom of the pull rod sleeve, and the limit sleeve is in clearance fit with the channel at the left side of the installation channel on the upper die holder; the left side of the pull rod sleeve is provided with a false delivery screw, the false delivery screw is arranged on the upper die holder, the bottom of the false delivery screw sequentially penetrates through the stripper plate seat and the stripper plate, the top of the false delivery screw is abutted with a spring five, and the spring five is abutted with a fixed plug in the upper die holder; the left side of the misfeed screw is provided with a discharging part, a discharging gasket, a discharging spring and a limiting strip, the discharging part, the discharging gasket, the discharging spring and the limiting strip are all arranged in a discharging hole of the upper die holder, a limiting step is arranged in the discharging hole, the discharging gasket is fixed at the limiting step, the discharging gasket and the discharging spring are further sleeved on the discharging part, two ends of the discharging spring respectively abut against protruding parts at the bottom of the discharging gasket and the discharging part, the limiting strip is fixed on the top surface of the discharging plate seat, and the bottom of the discharging part abuts against the limiting strip.
9. A progressive die for molding core pieces of a motor stator and a motor rotor according to claim 3, characterized in that: the left side of the top surface of the lower die holder is fixed with a side guide plate, the left side of the top surface of the side guide plate is fixed with an L-shaped feeding plate, and the left bottom surface of the side guide plate is fixed with a material bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810079094.4A CN108043955B (en) | 2018-01-26 | 2018-01-26 | Motor stator and motor rotor iron core sheet molding progressive die and molding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079094.4A CN108043955B (en) | 2018-01-26 | 2018-01-26 | Motor stator and motor rotor iron core sheet molding progressive die and molding process |
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| Publication Number | Publication Date |
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| CN108043955A CN108043955A (en) | 2018-05-18 |
| CN108043955B true CN108043955B (en) | 2023-09-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907006A (en) * | 2018-06-25 | 2018-11-30 | 广州铮高精密机械有限公司 | A kind of mould making method being formed simultaneously multiple sets of molds |
| CN108941322A (en) * | 2018-06-25 | 2018-12-07 | 广州铮高精密机械有限公司 | A kind of cutting method of annulus tip |
| CN108906981A (en) * | 2018-06-25 | 2018-11-30 | 广州铮高精密机械有限公司 | A kind of mould making method of multi-product |
| CN109013873A (en) * | 2018-09-14 | 2018-12-18 | 临安泰华机械设备有限公司 | A kind of blanking progressive die tool |
| CN110640011B (en) * | 2019-09-25 | 2020-10-02 | 温州怡沃机械科技有限公司 | Servo motor rotor punching sheet stamping forming device |
| CN110947841B (en) * | 2019-12-16 | 2024-07-12 | 宁波鸿达电机模具有限公司 | Dual-purpose mechanism for strip material guiding and false feeding protection |
| CN112260494B (en) * | 2020-12-21 | 2021-02-26 | 宁波震裕科技股份有限公司 | Manufacturing process of motor stator core |
| CN117791987B (en) * | 2024-02-27 | 2024-05-28 | 宁波震裕科技股份有限公司 | High-speed production method of laminated iron core of motor |
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| JP4427760B2 (en) * | 2007-07-26 | 2010-03-10 | 株式会社デンソー | Manufacturing method and manufacturing apparatus of laminated iron core |
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| CN103078452A (en) * | 2012-02-03 | 2013-05-01 | 宁波震裕科技股份有限公司 | Device for carrying out compound punching in stator and rotor progressive dies |
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| CN108043955A (en) | 2018-05-18 |
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