CN110323100A - High-precision iron core process equipment and corresponding iron core machining method - Google Patents
High-precision iron core process equipment and corresponding iron core machining method Download PDFInfo
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- CN110323100A CN110323100A CN201910597057.7A CN201910597057A CN110323100A CN 110323100 A CN110323100 A CN 110323100A CN 201910597057 A CN201910597057 A CN 201910597057A CN 110323100 A CN110323100 A CN 110323100A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 220
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008569 process Effects 0.000 title claims abstract description 37
- 238000003754 machining Methods 0.000 title claims abstract description 8
- 239000011265 semifinished product Substances 0.000 claims abstract description 157
- 238000004080 punching Methods 0.000 claims abstract description 151
- 239000000047 product Substances 0.000 claims abstract description 64
- 238000000465 moulding Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 22
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010273 cold forging Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001788 irregular Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 206010054949 Metaplasia Diseases 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000015689 metaplastic ossification Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000036642 wellbeing Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Punching Or Piercing (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention provides a kind of high-precision iron core process equipment and corresponding iron core machining method, high-precision iron core process equipment includes the first main mould, the second main mould, the first punch die, the second punch die, third punch die and robot device, iron core blank punch forming in first main mould is the first iron core semi-finished product by the first punch die, first iron core semi-finished product punch forming is the second iron core semi-finished product by the second punch die, and the second iron core semi-finished product are transferred in the second main mould, by third punch die by the second iron core semi-finished product punch forming be iron core finished product.One end punch forming of iron core blank is first the first head semi-finished product by high-precision iron core process equipment of the invention, so that material is assembled to the position far from bar portion center, homogeneous deformation for subsequent punching press is got ready, then punch forming goes out the second head semi-finished product again, go out head finished product by the punch forming of third punch die, punching press is incremental, is not likely to produce burr, the dimensional accuracy of iron core finished product is high, and quality is high.
Description
Technical field
The present invention relates to iron core processing equipment field, in particular to the high-precision iron core processing of a kind of processing relay iron
Equipment and corresponding iron core machining method.
Background technique
Cold forging is the principle using Plastic Deformation of Metal Materials, in crystallization temperature hereinafter, be to material recrystallization temperature with
Under processing and forming after cutting off metal material, be put into the mold cavity on cold forging machine, powerful at room temperature
Pressure and the effect of certain speed under, force metal stock to generate Plastic Flow, can get the part of certain shapes and size；
Relay iron can be by cold forging punch forming, in the prior art, the bar portion and tail of some relay irons
End is regular circle shapes, and head is irregular D font, head center and bar portion center deviation, and in Cold Forging, material exists
Uniform force when stamping, so that the circular pieces of regular shape are processed, and the difficulty for processing irregular head
It is higher, due to head center and bar portion center deviation, so that material more difficult uniform deformation in forming process, to hold very much
It is also easy to produce flash or burr, accurately punching press can not reach pre-set dimension, influence whether the sensitivity of relay or cause short circuit,
For relay iron component, be it is fatal bad, there are poor dimensional precision, inferior problems for the iron core of manufacture.
Therefore need to provide the high-precision iron core process equipment of one kind to solve above-mentioned technical problem.
Summary of the invention
The present invention provides a kind of high-precision iron core process equipment, is first first by one end punch forming of iron core blank
Portion's semi-finished product are got ready, then again so that material is assembled to the position far from bar portion center for the homogeneous deformation of subsequent punching press
Secondary punch forming goes out the second head semi-finished product, goes out head finished product by the punch forming of third punch die, punching press is incremental, is not easy
Burr is generated, to solve in the prior art due to head center and bar portion center deviation, so that material is more difficult in forming process
Uniform deformation, thus be very easy to generate flash or burr, so that there are poor dimensional precisions for the iron core of manufacture, it is inferior to ask
Topic.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of high-precision iron core process equipment, iron core finished product
Including bar portion and it is connected to the tail portion at the bar portion both ends and the head of D font, the high-precision iron core process equipment packet
It includes:
First main mould, including the first type chamber for the iron core blank to be shaped to the first iron core semi-finished product；
First punch die, positioned at the side of first main mould, for the intracavitary iron core blank of first type into
To form the first iron core semi-finished product, the first iron core semi-finished product are shaped to the first head close to one end of the first punch die for row punching press
Semi-finished product；
Second punch die, positioned at the side of first main mould, for intracavitary first iron core of first type half
Finished product carries out punching press, so that the first head semi-finished product are shaped to the second head semi-finished product, and then forms the second iron core semi-finished product；
Second main mould, including the second type chamber for the second iron core semi-finished product to be shaped to iron core finished product；
Third punch die, positioned at the side of second main mould, for intracavitary second iron core of the second type half
Finished product carries out punching press to form the iron core finished product；
Die shoe, for first punch die, the second punch die and the third punch die to be arranged；
Main mould seat, it is opposite with the die shoe, for first main mould and second main mould, the main mould seat to be arranged
It is relatively movable with the die shoe, to switch first main mould or relatively described first punch die of second main mould, the second punching
The position of mould and third punch die；And
Robot device, for grabbing the iron core blank and transporting that be connected to first type intracavitary.
In the present invention, the first type chamber includes the first bar for the iron core blank to be shaped to bar portion semi-finished product
Chamber, and the first tail chamber for one end of the iron core blank to be shaped to tail portion semi-finished product, the inner wall of first rod cavity
It is connected between face and the inner wall of the first tail chamber by the first arcwall face；
The second type chamber includes the second rod cavity for the bar portion semi-finished product to be shaped to bar portion finished product, and is used for
The tail portion semi-finished product are shaped to the second tail chamber of tail portion finished product, the inner wall of second rod cavity and the second tail chamber
It is connected between inner wall by the second arcwall face, projected length of second arcwall face on the longitudinal center line of the bar portion
Less than projected length of first arcwall face on the longitudinal center line of the bar portion finished product, the bending of second arcwall face
Degree is greater than the bending degree of first arcwall face.
In the present invention, first punch die includes the first connector, the first guide way, elastic component and the first red needle,
It is provided on first connector for sliding the first punching that first red needle is arranged, first punching is close to institute
The one end for stating the first main mould is provided with first outlet, and first guide way is slidably arranged in first punching far from described
One end of first outlet, the elastic component are arranged between external drive and first guide way；
First red needle includes buffering position and the first punching press position on sliding trace；
When first red needle is located at the buffering position, first red needle is extended except first punching, with
Elasticity, which squeezes the iron core blank, keeps its described first type of slide-in intracavitary；
When first red needle is located at the first punching press position, first red needle is located in first punching, and
One end is contacted with first guide way, and the other end and the first outlet are at a distance of set distance, so that the iron core blank
One end be shaped to the consistent first head semi-finished product of the interior shape of first punching, the other end be shaped to tail portion half at
Product, intermediary form are bar portion semi-finished product.
Wherein, first head semi-finished product are in D font, planar ends and the first cambered surface including being located at opposite sides
The maximum distance of the longitudinal center line of end, the planar ends and the bar portion semi-finished product is less than first curved end and the bar
The maximum distance of the longitudinal center line of portion's semi-finished product, first red needle are punching press inclined-plane close to the end face of the first outlet,
The punching press inclined-plane makes the thickness of first curved end be greater than the thickness of the planar ends for punching press.
In addition, first punch die further includes the first punching press body, first punching is arranged on the first punching press body,
The first punching press body is removably arranged on first connector；
First main mould includes the first main component, the first mold core body and the first thimble, and the first type chamber setting exists
On the first mold core body, the first mold core body is removably arranged on first main component, in first main body
It is provided on part and is connected to the first type chamber and external first through hole, first thimble is slidably connected at the first through hole
It is interior to be used to eject the intracavitary molding first iron core semi-finished product of first type or the second iron core semi-finished product.
In the present invention, second punch die includes the second connector and the second red needle, is set on second connector
It is equipped with the second punching for second red needle to be fixedly installed, second punching is arranged close to one end of first main mould
There is second outlet, second red needle is located in first punching, and second red needle is close to the end of the second outlet
Face and the second outlet at a distance of set distance so that first head semi-finished product be shaped to in second punching
The consistent second head semi-finished product of portion's shape, second punching are also used to the second iron core semi-finished product in first main mould
It is transferred in second main mould.
Wherein, the thickness of the thickness uniformity of second head semi-finished product, second head semi-finished product is less than institute
State the thickness of planar ends；
The second red needle punching press makes the first curved end be shaped to the second curved end, so that planar ends are shaped to indent
The end face at end, the concave end is recessed to the longitudinal center line direction of the bar portion semi-finished product, in the end face of the concave end
Portion's sinking degree is greater than both ends sinking degree, is provided on the inner wall of second punching for forming the convex of the concave end
Portion.
In addition, second punch die further includes the second punching press body, second punching is arranged on the second punching press body,
The second punching press body is removably arranged on second connector；
Second main mould includes that the second main component, the second mold core body, third mold core and the second thimble, the second rod cavity are set
It sets on the second mold core body, the second tail chamber is arranged on the third mold core body, the second mold core body and the third
Mold core body is removably arranged on second main component, and connection second tail is provided on second main component
Chamber and the second external through-hole, second thimble are slidably connected at intracavitary for ejecting the second type in second through-hole
Molding iron core finished product；
The third punch die includes third connector and formed punch, is provided with and is used for second head on the formed punch
Semi-finished product are stamped and formed out first point of chamber of head finished product.
The invention also includes it is a kind of using above-mentioned high-precision iron core process equipment carry out processing iron core iron core machining method,
Itself the following steps are included:
Step S101: the robot device crawl, which sets the iron core blank of length and transports, is connected to first main mould
The first type it is intracavitary；
Step S102: the die shoe is mobile so that first punch die is opposite with first main mould, and described first rushes
The mould iron core blank intracavitary to first type carries out punching press so that the iron core blank headed into it is intracavitary simultaneously to first type
Extrusion forming is the first iron core semi-finished product；
Step S103: first punch die returns, and the die shoe is mobile so that second punch die and first master
Mould is opposite, and second punch die, the first iron core semi-finished product intracavitary to first type carry out punching press and make it be shaped to second
Iron core semi-finished product；
Step S104: second punch die returns, while the first main mould ejection the second iron core semi-finished product make its interlocking
On the second punch die；
Step S105: the die shoe is mobile so that second punch die is opposite with second main mould, and the second punch die will
It is intracavitary that the second iron core semi-finished product of interlocking head into the second type to second main mould；
Step S106: the die shoe is mobile so that the third punch die is opposite with second main mould, third punch die pair
The second intracavitary iron core semi-finished product of second type carry out punching press and make it be shaped to iron core finished product.
Wherein, the step S102 further include:
Iron core blank described in the first punch die punching press make one end of the iron core blank be shaped to the first head half at
Product, the other end are shaped to tail portion semi-finished product, are shaped between the bar portion semi-finished product and the tail portion semi-finished product and the first arc
Corresponding first rounded surface in shape face；
The step S103 further include:
First iron core semi-finished product described in the second punch die punching press make first head semi-finished product be shaped to second
Portion's semi-finished product.
The step S106 further include:
Second iron core semi-finished product described in the third punch die punching press make second head semi-finished product be shaped to head at
Product, so that the first rounded surface is shaped to the second rounded surface corresponding with the second arcwall face.
The present invention compared to the prior art, it has the advantage that: high-precision iron core process equipment of the invention is first by iron core
One end punch forming of blank is the first head semi-finished product, so that the thickness of the first curved end on the first head semi-finished product is greater than
The thickness of planar ends, material are assembled to the position far from bar portion center, get ready for the homogeneous deformation of second of punching press；
Then punch forming goes out the second head semi-finished product again, so that the first curved end is shaped to the second curved end, so that
Planar ends are shaped to concave end, and the end face of concave end is recessed to the longitudinal center line direction of bar portion semi-finished product, from bar portion center
The more close then sinking degree in position is bigger, gets ready for the homogeneous deformation of third time punching press；
Going out head finished product by the punch forming of third punch die, punching press is incremental, it is not likely to produce burr, iron core finished product
Dimensional accuracy is high, and quality is high；
On the other hand, by being arranged the first punch die, the second punch die and third punch die on die shoe, by the first main mould
It is arranged on main mould seat with the second main mould, main mould seat and die shoe are relatively movable, opposite to switch the first main mould or the second main mould
The position of first punch die, the second punch die and third punch die, while being transported by the crawl of robot device, and pass through second
The second iron core semi-finished product in first main mould are transferred in the second main mould by punch die, to be able to achieve the full-automatic metaplasia of product
It produces, time cost and processing cost is greatly saved, improves processing efficiency, increases economic well-being of workers and staff.
The forming process of iron core guarantees stability, the precision of core dimensions in high-accuracy mold cavity internal shaping simultaneously
And quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to required in embodiment
Attached drawing to be used is briefly described, and the accompanying drawings in the following description is only the corresponding attached drawing of section Example of the invention.
Fig. 1 is the structure of the first punch die of high-precision iron core process equipment of the invention, the second punch die and the first main mould
Schematic diagram.
Fig. 2 is the structure of the second punch die of high-precision iron core process equipment of the invention, third punch die and the second main mould
Schematic diagram.
Fig. 3 is iron core blank, the first iron core semi-finished product, the second iron core of high-precision iron core process equipment manufacture of the invention
The structural schematic diagram of semi-finished product and iron core finished product.
Fig. 4 is that iron core blank in Fig. 3, the first iron core semi-finished product, the second iron core semi-finished product and iron core finished product are looked up
Figure.
Fig. 5 is the right view of the first punching in Fig. 1.
Fig. 6 is the right view of the second punching in Fig. 1.
Fig. 7 is the right view of first point of chamber in Fig. 2.
Fig. 8 is the right view of the second type chamber in Fig. 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Direction terms mentioned in the present invention, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "
Outside ", the words such as " side ", " top " and " bottom ", are only the orientation with reference to attached drawing, the direction term used be illustrating and
Understand the present invention, rather than to limit the present invention.
Words such as " first " " second " in term of the present invention only as description purpose, are not understood to indicate or imply phase
Pair importance, and not as the limitation to sequencing.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the prior art, the bar portion of some relay irons and tail end are regular circle shapes, and head is irregular D word
Type, head center and bar portion center deviation, in Cold Forging, material uniform force in die forming, general only processing shape
Shape regular circle part, higher for the difficulty for processing irregular head, head thickness is thin, and head and bar portion deviation make
Material more difficult uniform deformation in forming process is obtained, so that being very easy to generate flash or burr, influences whether relay
Sensitivity causes short circuit, for relay iron component, be it is fatal bad, there are dimensional accuracies for the iron core of manufacture
Difference, inferior problem.
It the following is a kind of preferred reality of high-precision iron core process equipment that can solve the above technical problem provided by the invention
Apply example.
Referring to Fig.1 and 2, wherein Fig. 1 is the first punch die, the second punch die of high-precision iron core process equipment of the invention
And first main mould structural schematic diagram, Fig. 2 be the second punch die of high-precision iron core process equipment of the invention, third punch die with
And second main mould structural schematic diagram.
The similar unit of structure is to be given the same reference numerals in the figure.
The present invention provides a kind of high-precision iron core process equipment, and iron core finished product 64 is including bar portion and is connected to bar portion
The tail portion at both ends and the head of D font, bar portion finished product 641 after molding are bar portion, and head finished product 643 after molding is head
Portion, tail portion finished product 642 after molding are tail portion.
The high-precision iron core process equipment includes the first main mould 1, the second main mould 4, the first punch die 2, the second punch die 3, third
Punch die 5 and robot device.
Wherein, the first main mould 1 includes the first type chamber for iron core blank 61 to be shaped to the first iron core semi-finished product 62.
First punch die 2 is located at the side of first main mould 1, for the iron core blank 61 intracavitary to first type
Punching press is carried out to form the first iron core semi-finished product 62, the first iron core semi-finished product 62 are shaped to close to one end of the first punch die 2
First head semi-finished product 623.
Second punch die 3 is located at the side of first main mould 1, for intracavitary first iron core of first type half
Finished product 62 carries out punching press, so that the first head semi-finished product 623 are shaped to the second head semi-finished product 631, and then forms the second iron core
Semi-finished product 63.
Second main mould 4 includes the second type chamber for the second iron core semi-finished product 63 to be shaped to iron core finished product 64.
Third punch die 5 is located at the side of the second main mould 4, rushes for the second iron core semi-finished product 63 intracavitary to second type
Pressure is to form iron core finished product 64.
Die shoe is being not shown in the figure for the first punch die 2, the second punch die 3 and third punch die 5, die shoe to be arranged, and rushes
Die holder can be used but be not limited to the devices such as mobile mould group or rotatable platform common in the art, and non-figure carries out in the application
Illustrate, herein also without repeating.
Main mould seat is opposite with die shoe, and for the first main mould 1 and the second main mould 4 to be arranged, main mould seat and die shoe are relatively living
It is dynamic, to switch the position of the first main mould 1 or opposite first punch die 2 of the second main mould 4, the second punch die 3 and third punch die 5, so that
First punch die 2 carries out punching press to the iron core blank 61 in the first main mould 1, so that the second punch die 3 is to the first iron in the first main mould 1
Core semi-finished product 62 carry out punching press, so that the second punch die 3 carries the second iron core semi-finished product 63 and is delivered in the second main mould 4, so that
Third punch die 5 carries out punching press to the second iron core semi-finished product 63 in the second main mould 4, to obtain iron core finished product 64.
Robot device is for grabbing iron core blank 61 and transporting that be connected to the first type intracavitary, it can also be used to it is main to grab second
It molding iron core finished product 64 and is transported to corresponding storage area on mould 4.
In the present invention, the first type chamber includes the first rod cavity for iron core blank 61 to be shaped to bar portion semi-finished product 621
121, and the first tail chamber 122 for one end of iron core blank 61 to be shaped to tail portion semi-finished product 622, the first rod cavity 121
It is connected between inner wall and the inner wall of the first tail chamber 122 by the first arcwall face 123.
Second type chamber includes the second rod cavity 421, Yi Jiyong for bar portion semi-finished product 621 to be shaped to bar portion finished product 641
In the second tail chamber 431 that tail portion semi-finished product 622 are shaped to tail portion finished product 642, the inner wall of the second rod cavity 421 and the second tail chamber
Pass through the second arcwall face connection between 431 inner wall (the second arcwall face in Fig. 2 is undersized, therefore is not indicated).
It can refer to Fig. 3, the first arcwall face can refer to the first rounded surface 624 and be understood that the second arcwall face can refer to second
Rounded surface 644 is understood that projected length of second arcwall face on the longitudinal center line of bar portion exists less than the first arcwall face 123
The bending degree of projected length on the longitudinal center line of bar portion finished product 641, the second arcwall face is greater than the curved of the first arcwall face 123
Qu Chengdu.
Iron core blank is first shaped to length is longer, lesser first rounded surface 624 of bending degree, reshaping be length compared with
Short, biggish second rounded surface 644 of bending degree, so that in punching course, incremental punching press deformation slows down the mill of mold
Damage, the phenomenon for avoiding disposable punching press from causing punching press not in place, and it is not likely to produce burr, dimensional accuracy is high, and quality is high.
In the present invention, the first punch die 2 includes the first connector 21, the first guide way 23, elastic component 25 and the first punching
Needle 22, is provided with the first punching 241 for sliding the first red needle 22 of setting on the first connector 21, and the first punching 241 is leaned on
One end of nearly first main mould 1 is provided with first outlet, and first outlet is the outlet of 24 left end of the first punching press body in Fig. 1, and first leads
It is slidably arranged in one end in the first punching 241 far from first outlet to body 23, elastic component 25 is arranged in external drive and first
Between guide way 23.
The first guide way 23 is separately provided to make easy to process or repair, by processing or can repair so that the first guide way
23 with the first punching formed it is well stable be slidably connected, the first guide way 23 receives external drive and squeezes to form sliding, remakes
For the first red needle 22, so that punching press is more stable.
External drive can be drive device for hydraulic or Cam type driving device, and elastic component can be spring, spring one end
It is socketed on the telescopic rod of external drive, makes the first red needle 22 first and 61 Elastic Contact of iron core blank by spring, by iron core
It is intracavitary that the extruding of blank 61 slides into the first type；
It is contacted when iron core blank 61 slides into the first tail chamber 122, and the telescopic rod of external drive and the first guide way 23
When rigid contact, continue to drive with external drive, the first red needle 22 can be made to form punching press to iron core blank 61, and then make
It obtains 61 deformation of iron core blank and is shaped to the first iron core semi-finished product 62.
Referring to figure 3. and Fig. 4, wherein Fig. 3 is the iron core blank of high-precision iron core process equipment manufacture of the invention, first
The structural schematic diagram of iron core semi-finished product, the second iron core semi-finished product and iron core finished product, Fig. 4 are iron core blank, the first iron in Fig. 3
The bottom view of core semi-finished product, the second iron core semi-finished product and iron core finished product.
Wherein, the first red needle 22 includes buffering position and the first punching press position on sliding trace.
When the first red needle 22 is located at buffering position, the first red needle 22 is extended except the first punching 241, squeezes iron with elasticity
It is intracavitary that core blank 61 makes it slide into the first type；
When the first red needle 22 is located at the first punching press position, the first red needle 22 is located in the first punching 241, and one end and first
Guide way 23 contacts, and the other end and first outlet are at a distance of set distance, so that one end of iron core blank 61 is shaped to and first
The consistent first head semi-finished product 623 of the interior shape of punching 241, the other end are shaped to tail portion semi-finished product 622, and intermediary form is
Bar portion semi-finished product 621.
The first head semi-finished product 623 in the present embodiment are in D font, the planar ends 6232 including being located at opposite sides
With the first curved end 6231, the maximum distance of the longitudinal center line of planar ends 6232 and bar portion semi-finished product 621 is less than the first cambered surface
The maximum distance at end 6231 and the longitudinal center line of bar portion semi-finished product 621, the first red needle 22 are punching close to the end face of first outlet
Inclined-plane 221 is pressed, punching press inclined-plane 221 makes the thickness of the first curved end 6231 be greater than the thickness of planar ends 6232 for punching press.
Since the material on head needs to obtain by the material deformation migration of bar portion, 61 deformation of iron core blank is moved to close
The position at bar portion center is more easy, in this way by setting punching press inclined-plane 221, allows for 2 punching press iron core blank 61 of the first punch die
During, material is assembled more to the position far from bar portion center, it can get ready for the homogeneous deformation of second of punching press,
The uniformity that material is distributed after second of punching press can be improved, press quality is improved.
In addition, the first punch die 2 further includes the first punching press body 24, the first punching 241 is arranged on the first punching press body 24, first
Punching press body 24 is removably arranged on the first connector 21 so that when the first red needle 22 or 24 wear-out failure of the first punching press body or
When needing to stamp the product of different size, the first punching press body 24 and the first red needle 22 are only needed to change, changes simple, cost
It is low.
First main mould 1 includes the first main component 11, the first mold core body 12 and the first thimble 13, and the setting of the first type chamber is the
On one mold core body 12, the first mold core body 12 is removably arranged on the first main component 11, is provided on the first main component 11
It is connected to the first type chamber and external first through hole, the first thimble 13 is slidably connected in first through hole intracavitary for ejecting the first type
Molding first iron core semi-finished product 62 or the second iron core semi-finished product 63.
When 11 wear-out failure of the first main component or when needing to stamp the product of different size, the first main component 11 is only needed to change
?
In the present invention, the second punch die 3 includes the second connector 31 and the second red needle 32, is arranged on the second connector 31
There is the second punching 311 for the second red needle 32 to be fixedly installed, the second punching 311 is provided with close to one end of the first main mould 1
Two outlets, second outlet are the opening of 33 right end of the second punching press body in the orientation Fig. 1, and the second red needle 32 is located in the first punching 241,
And second red needle 32 close to the end face of second outlet and second outlet at a distance of set distance so that the first head semi-finished product 623
It is shaped to and the consistent second head semi-finished product 631 of the interior shape of the second punching 311.
On the other hand, the second punching 311 in the present embodiment is also used to the second iron core semi-finished product 63 in the first main mould 1
It is transferred in the second main mould 4, after 3 punching press of the second punch die, the second punch die 3 is returned, while the second thimble in the first main mould 1
44 the second iron core semi-finished product 63 of ejection move its interlocking so that the second punch die 3 and second on the second punch die 3, then by die shoe
Main mould 4 is opposite, and it is intracavitary that the second iron core semi-finished product 63 of interlocking are headed into the second type to the second main mould 4 by the second punch die 3.
In the present invention, the thickness of the thickness uniformity of the second head semi-finished product 631, the second head semi-finished product 631 is small
In the thickness of the planar ends 6232 of the first head semi-finished product 62, i.e. the punching press of the second punch die 3 has reached uniform the first head of ironing
The purpose of semi-finished product 62.
Wherein, it can compare referring to Fig. 3 and Fig. 4,32 punching press of the second red needle makes the first curved end 6231 be shaped to the second arc
Face end 6311, so that planar ends 6232 are shaped to concave end 6312, the axial direction of the end face of concave end 6312 to bar portion semi-finished product 621
Centerline direction recess；
Specifically, 61 deformation of iron core blank moves since the material on head needs to obtain by the material deformation migration of bar portion
It is more easy to the position close to bar portion center to move, therefore the depression in centre degree of the end face of concave end 6312 is greater than two concave ends
Degree, i.e., closer from bar portion center, sinking degree is bigger, and material volume is smaller, can perform for the homogeneous deformation of third time punching press
Prepare, the uniformity of material distribution after third time punching press can be improved, improve press quality.
Correspondingly, being provided with the protrusion for forming concave end 6312 on the inner wall of the second punching 311, protrusion be can refer to
Fig. 6, Fig. 6 are the right view of the second punching in Fig. 1, as the protrusion of left end can be on 311 inner wall of the second punching in the orientation Fig. 6
Type concave end 6312.
In addition, the second punch die 3 further includes the second punching press body 33, the second punching 311 is arranged on the second punching press body 33, second
Punching press body 33 is removably arranged on the second connector 31 so that when the second red needle 32 or 33 wear-out failure of the second punching press body or
When needing to stamp the product of different size, the second punching press body 33 and the second red needle 32 are only needed to change, changes simple, cost
It is low.
Second main mould 4 includes the second main component 41, the second mold core body 42, third mold core body 43 and the second thimble 44, the
Two rod cavities 421 and second point of chamber 422 are arranged on the second mold core body 42, and the second tail chamber 431 is arranged on third mold core body 43, the
Two mold core bodies 42 and the dismountable setting of third mold core body 43 are provided on the second main component 41 on the second main component 41
It is connected to the second tail chamber 431 and the second external through-hole, the second thimble 44 is slidably connected in the second through-hole for ejecting second type
Intracavitary molding iron core finished product 64.
Optionally, the second mold core body 42 and third mold core body 43 can be an integral molding structure, so as to more preferable more sleek
Second arcwall face is set, and then round and smooth and carrot-free second rounded surface 644 can be stamped out.
Third punch die 5 includes third connector 51 and formed punch 52, be provided on formed punch 52 for by the second head half at
Product 631 are stamped and formed out first point of chamber 521 of head finished product 643.
First point of chamber 521 and second point of chamber 422, which cooperate, is stamped and formed out head finished product 643 for the second head semi-finished product 631, if
Set first point of chamber 521 and second point of chamber 422 facilitate setting cambered surface so that the upper lower seamed edge of head finished product 643 after molding at
Type is rounded surface, round and smooth impulse- free robustness.
It the following is the iron core machining method that processing iron core is carried out using above-mentioned high-precision iron core process equipment, wherein can incite somebody to action
The wire rod processed is placed on coil holder free to rotate, by line wheel by wire rod it is tender just and wire rod be sent into disconnecting device into
In string holes, wire rod is cut into the iron core blank 61 of setting length by disconnecting device, disconnecting device is by the iron core blank top of cutting
Out, to obtain iron core blank 61.
To iron core blank 61 carry out iron core processing method the following steps are included:
Step S101: the iron core blank 61 of robot device crawl setting length simultaneously transports and is connected to the of the first main mould 1
One type is intracavitary, and robot device grabs one end of iron core blank 61, and the other end of iron core blank is simultaneously plugged to the by mobile transport
One type is intracavitary.
Step S102: die shoe is mobile so that the first punch die 2 and the first main mould 1 are opposite, and the first punch die 2 is intracavitary to the first type
Iron core blank 61 carry out punching press so that iron core blank 61 headed into and extrusion forming intracavitary to the first type be the first iron core half at
Product 62.
The S103: the first punch die of step 2 returns, and die shoe is mobile so that the second punch die 3 and the first main mould 1 are opposite, and second rushes
The first iron core semi-finished product 62 intracavitary to the first type of mould 3 carry out punching press and make it be shaped to the second iron core semi-finished product 63.
The S104: the second punch die of step 3 returns, while the second thimble 44 in the first main mould 1 is by the second iron core semi-finished product 63
Ejection makes its interlocking on the second punch die 3.
Step S105: die shoe it is mobile so that the second punch die 3 with the second main mould 4 relatively, the second red needle on the second punch die 3
32 that second iron core semi-finished product 63 of interlocking are headed into the second type to the second main mould 4 is intracavitary.
Step S106: die shoe is mobile so that third punch die 5 and the second main mould 4 are opposite, and third punch die 5 is intracavitary to second type
The second iron core semi-finished product 63 carry out punching press make it be shaped to iron core finished product 64.
Specifically, step S102 further include:
First punch die, 2 punching press iron core blank 61 makes one end of iron core blank 61 be shaped to the first head semi-finished product 623, separately
One end is shaped to tail portion semi-finished product 622, is shaped between bar portion semi-finished product 621 and tail portion semi-finished product 622 and the first arcwall face
123 corresponding first rounded surfaces 624.
The thickness of first curved end 6231 of the first head semi-finished product 623 is greater than the thickness of planar ends 6232, so that material
Assemble more to the position far from bar portion center, can get ready for the homogeneous deformation of second of punching press, can improve second
The uniformity that material is distributed after punching press improves press quality.
Step S103 further include:
Second punch die, 3 the first iron core of punching press semi-finished product 62 make the first head semi-finished product 623 be shaped to the second head half at
Product 631.
So that the first curved end 6231 is shaped to the second curved end 6311, so that planar ends 6232 are shaped to concave end
6312, the end face of concave end 6312 is recessed to the longitudinal center line direction of bar portion semi-finished product 621, in the end face of concave end 6312
Portion's sinking degree is greater than both ends sinking degree, i.e., closer from bar portion center, sinking degree is bigger, and material volume is smaller, can be the
The homogeneous deformation of punching press is got ready three times, can be improved the uniformity of material distribution after third time punching press, be improved press quality
Step S106 further include:
5 the second iron core of punching press semi-finished product 63 of third punch die make the second head semi-finished product 631 be shaped to head finished product 643,
So that the first rounded surface 624 is shaped to the second rounded surface 644 corresponding with the second arcwall face.
Iron core blank is first shaped to length is longer, lesser first rounded surface 624 of bending degree, reshaping be length compared with
Short, biggish second rounded surface 644 of bending degree, so that in punching course, incremental punching press deformation slows down the mill of mold
Damage, the phenomenon for avoiding disposable punching press from causing punching press not in place, and it is not likely to produce burr, dimensional accuracy is high, and quality is high.
One end punch forming of iron core blank is first the first head by the high-precision iron core process equipment of this preferred embodiment
Semi-finished product, so that the thickness of the first curved end on the first head semi-finished product is greater than the thickness of planar ends, material is to far from bar portion
The position at center is assembled, and is got ready for the homogeneous deformation of second of punching press；
Then punch forming goes out the second head semi-finished product again, so that the first curved end is shaped to the second curved end, so that
Planar ends are shaped to concave end, and the end face of concave end is recessed to the longitudinal center line direction of bar portion semi-finished product, from bar portion center
The more close then sinking degree in position is bigger, gets ready for the homogeneous deformation of third time punching press；
Going out head finished product by the punch forming of third punch die, punching press is incremental, it is not likely to produce burr, iron core finished product
Dimensional accuracy is high, and quality is high；
On the other hand, by being arranged the first punch die, the second punch die and third punch die on die shoe, by the first main mould
It is arranged on main mould seat with the second main mould, main mould seat and die shoe are relatively movable, opposite to switch the first main mould or the second main mould
The position of first punch die, the second punch die and third punch die, while being transported by the crawl of robot device, and pass through second
The second iron core semi-finished product in first main mould are transferred in the second main mould by punch die, to be able to achieve the full-automatic metaplasia of product
It produces, time cost and processing cost is greatly saved, improves processing efficiency, increases economic well-being of workers and staff.
The forming process of iron core guarantees stability, the precision of core dimensions in high-accuracy mold cavity internal shaping simultaneously
And quality.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of high-precision iron core process equipment, which is characterized in that iron core finished product includes bar portion and is connected to the bar
The tail portion at portion both ends and the head of D font, comprising:
First main mould, including the first type chamber for the iron core blank to be shaped to the first iron core semi-finished product；
First punch die is rushed positioned at the side of first main mould for the iron core blank intracavitary to first type
Pressure to form the first iron core semi-finished product, the first iron core semi-finished product close to one end of the first punch die be shaped to the first head half at
Product；
Second punch die, positioned at the side of first main mould, for the first iron core semi-finished product intracavitary to first type
Punching press is carried out, so that the first head semi-finished product are shaped to the second head semi-finished product, and then forms the second iron core semi-finished product；
Second main mould, including the second type chamber for the second iron core semi-finished product to be shaped to iron core finished product；
Third punch die, positioned at the side of second main mould, for the second iron core semi-finished product intracavitary to the second type
Punching press is carried out to form the iron core finished product；
Die shoe, for first punch die, the second punch die and the third punch die to be arranged；
Main mould seat, it is opposite with the die shoe, for first main mould and second main mould, the main mould seat and institute to be arranged
It is relatively movable to state die shoe, with switch first main mould or relatively described first punch die of second main mould, the second punch die with
And the position of third punch die；And
Robot device, for grabbing the iron core blank and transporting that be connected to first type intracavitary.
2. high-precision iron core process equipment according to claim 1, which is characterized in that the first type chamber includes for inciting somebody to action
The iron core blank is shaped to the first rod cavity of bar portion semi-finished product, and for one end of the iron core blank to be shaped to tail portion
First tail chamber of semi-finished product passes through the first arcwall face between the inner wall of first rod cavity and the inner wall of the first tail chamber
Connection；
The second type chamber includes the second rod cavity for the bar portion semi-finished product to be shaped to bar portion finished product, and is used for institute
State the second tail chamber that tail portion semi-finished product are shaped to tail portion finished product, the inner wall of the inner wall of second rod cavity and the second tail chamber
It is connected between face by the second arcwall face, projected length of second arcwall face on the longitudinal center line of the bar portion is less than
Projected length of first arcwall face on the longitudinal center line of the bar portion finished product, the bending degree of second arcwall face
Greater than the bending degree of first arcwall face.
3. high-precision iron core process equipment according to claim 1, which is characterized in that first punch die includes the first company
Junctor, the first guide way, elastic component and the first red needle are provided with for sliding setting described the on first connector
First punching of one red needle, first punching are provided with first outlet close to one end of first main mould, and described first leads
Be slidably arranged in one end in first punching far from the first outlet to body, elastic component setting in external drive and
Between first guide way；
First red needle includes buffering position and the first punching press position on sliding trace；
When first red needle is located at the buffering position, first red needle is extended except first punching, with elasticity
Squeezing the iron core blank keeps its described first type of slide-in intracavitary；
When first red needle is located at the first punching press position, first red needle is located in first punching, and one end
It is contacted with first guide way, the other end and the first outlet are at a distance of set distance, so that the one of the iron core blank
End is shaped to be shaped to tail portion semi-finished product with the consistent first head semi-finished product of the interior shape of first punching, the other end,
Intermediary form is bar portion semi-finished product.
4. high-precision iron core process equipment according to claim 3, which is characterized in that first head semi-finished product are in D
Font, planar ends and the first curved end including being located at opposite sides, the axis of the planar ends and the bar portion semi-finished product
It is less than the maximum distance of the longitudinal center line of first curved end and the bar portion semi-finished product, institute to the maximum distance of center line
It is punching press inclined-plane that the first red needle, which is stated, close to the end face of the first outlet, and the punching press inclined-plane makes first arc for punching press
The thickness at face end is greater than the thickness of the planar ends.
5. high-precision iron core process equipment according to claim 3, which is characterized in that first punch die further includes first
Punching press body, first punching are arranged on the first punching press body, and the first punching press body is removably arranged in described the
On one connector；
First main mould includes the first main component, the first mold core body and the first thimble, and the first type chamber is arranged described
On first mold core body, the first mold core body is removably arranged on first main component, on first main component
It is provided with and is connected to the first type chamber and external first through hole, first thimble is slidably connected in the first through hole and uses
In the intracavitary molding first iron core semi-finished product of ejection first type or the second iron core semi-finished product.
6. high-precision iron core process equipment according to claim 1, which is characterized in that second punch die includes the second company
Junctor and the second red needle are provided with the second punching for second red needle to be fixedly installed, institute on second connector
It states the second punching and one end of first main mould is provided with second outlet, second red needle is located at first punching
It is interior, and second red needle close to the second outlet end face and the second outlet at a distance of set distance so that described
First head semi-finished product are shaped to and the consistent second head semi-finished product of the interior shape of second punching, second punching
It is also used to for the second iron core semi-finished product in first main mould being transferred in second main mould.
7. high-precision iron core process equipment according to claim 6, which is characterized in that the thickness of second head semi-finished product
Uniformity is spent, the thickness of second head semi-finished product is less than the thickness of the planar ends；
The second red needle punching press makes the first curved end be shaped to the second curved end, so that planar ends are shaped to concave end, institute
The end face for stating concave end is recessed to the longitudinal center line direction of the bar portion semi-finished product, the depression in centre of the end face of the concave end
Degree is greater than both ends sinking degree, and the protrusion for forming the concave end is provided on the inner wall of second punching.
8. high-precision iron core process equipment according to claim 6, which is characterized in that second punch die further includes second
Punching press body, second punching are arranged on the second punching press body, and the second punching press body is removably arranged in described the
On two connectors；
Second main mould includes the second main component, the second mold core body, third mold core and the second thimble, and the setting of the second rod cavity exists
On the second mold core body, the second tail chamber is arranged on the third mold core body, the second mold core body and the third mold core
Body is removably arranged on second main component, be provided on second main component connection the second tail chamber and
The second external through-hole, second thimble are slidably connected in second through-hole for ejecting the intracavitary molding of the second type
Iron core finished product；
The third punch die includes third connector and formed punch, be provided on the formed punch for will second head partly at
Product are stamped and formed out first point of chamber of head finished product.
9. a kind of iron core machining method for carrying out processing iron core using iron core process equipment high-precision described in claim 1, special
Sign is, comprising the following steps:
Step S101: the iron core blank of robot device crawl setting length and transporting is connected to the of first main mould
One type is intracavitary；
Step S102: the die shoe is mobile so that first punch die is opposite with first main mould, first punch die pair
The intracavitary iron core blank of first type carries out punching press, so that the iron core blank is headed into intracavitary to first type and squeezed
It is shaped to the first iron core semi-finished product；
Step S103: first punch die returns, and the die shoe movement is so that second punch die and the first main mould phase
Right, second punch die, the first iron core semi-finished product intracavitary to first type carry out punching press and make it be shaped to the second iron core
Semi-finished product；
Step S104: second punch die returns, while the first main mould ejects the second iron core semi-finished product and makes its interlocking the
On two punch dies；
Step S105: the die shoe is mobile so that second punch die is opposite with second main mould, and the second punch die will be rabbeted
The second iron core semi-finished product to head into the second type to second main mould intracavitary；
Step S106: the die shoe movement is so that the third punch die is opposite with second main mould, and third punch die is to second
The second intracavitary iron core semi-finished product of type carry out punching press and make it be shaped to iron core finished product.
10. iron core machining method according to claim 9, which is characterized in that the step S102 further include:
Iron core blank described in the first punch die punching press makes one end of the iron core blank be shaped to the first head semi-finished product, separately
One end is shaped to tail portion semi-finished product, is shaped between the bar portion semi-finished product and the tail portion semi-finished product and the first arcwall face phase
Corresponding first rounded surface；
The step S106 further include:
Second iron core semi-finished product described in the third punch die punching press make second head semi-finished product be shaped to head finished product, make
It obtains the first rounded surface and is shaped to the second rounded surface corresponding with the second arcwall face.
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| CN201910597057.7A CN110323100B (en) | 2019-07-04 | 2019-07-04 | High-precision iron core processing equipment and corresponding iron core processing method |
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Effective date of registration: 20240626 Address after: Room 101 and 201, Building 1, No. 3 Yaojun Industrial Road, Hongmei Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Dongyang Wanghe Precision Parts Co.,Ltd. Country or region after: China Address before: 518000 building 4-9, Shajing street and erhongben Industrial Zone, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ORIENTAL WANGHE INDUSTRIAL Co.,Ltd. Country or region before: China |