CN108110970A - A kind of laminate core die device - Google Patents
A kind of laminate core die device Download PDFInfo
- Publication number
- CN108110970A CN108110970A CN201711370830.3A CN201711370830A CN108110970A CN 108110970 A CN108110970 A CN 108110970A CN 201711370830 A CN201711370830 A CN 201711370830A CN 108110970 A CN108110970 A CN 108110970A
- Authority
- CN
- China
- Prior art keywords
- iron core
- thin plate
- core thin
- supporting station
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/06—Making more than one part out of the same blank; Scrapless working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A kind of laminate core die device of the present invention, has supporting station, holding is lifting freely arranged in die device out of, the iron core thin plate that strip-shaped thin steel plate stamping is determined iron core holding member, iron core thin plate is placed in the supporting station successively；Bearing unit supports supporting station；Lifting motor carries out the lifting action of supporting station by means of bearing unit；And control device, it controls the spinning movement of lifting motor, control device is configured to set to limit according to the action of die device multiple torque limit values of the output torque of lifting motor, in the punching of iron core thin plate, maximum torque limit value in this multiple torque limit value limits output torque.In accordance with the invention it is possible to prevent the jack-up of iron core thin plate using simple structure, and appropriate back pressure can be generated in the punching of iron core thin plate.
Description
Technical field
The present invention relates to the die devices for the laminate core for being laminated multiple iron core thin plates for manufacture.
Background technology
With the annulus component (banding sheet metal) of electromagnetic steel plate for raw material, used using die device to manufacture electric rotating machine
The method of laminate core popularized.In die device, pilot hole or slot are carried out successively to annulus (hoop) component
The punch press process of hole portion, internal diameter tooth etc., is thus continuously formed iron core thin plate, finally, will be punched out the iron core thin plate layer of shape
Number and fixation, thus produce laminate core as defined in folded.In laminate core thin plate, it is punched out using punch (punch)
Each iron core thin plate of shape is pressed into the extrusion ring that the lower section of punch die is set successively, identical with the outer diameter of above-mentioned iron core thin plate or
Side pressure is applied in the extrusion ring more slightly smaller than outer diameter, is stacked as a result, in the state of fitting closely each other.It is somebody's turn to do as fixed
The method of iron core thin plate under laminated arrangement, using following methods：It is concave-convex that riveting is formed on each iron core thin plate in advance, in layer
It crimped when folded and rivets the method (stacking riveting) of combination, apply bonding on the surface of annulus component in die device
Agent, while shape is punched laminate core thin plate make iron core thin plate be bonded method (lamination adhesive method) and to stacking after
Method that iron core thin plate irradiation laser is welded etc..
In order to more effectively implement the stacking of the iron core thin plate in above-mentioned extrusion ring, following such back pressure dresses are had developed
It puts：In the lower side (discharge side of laminate core) of extrusion ring, supporting station is set, it is thin to undermost iron core using the supporting station
The lower surface of plate, which applies, to upward pressure (back pressure).In this back pressure apparatus, such as consider the back of the body of the increase for iron core thin plate
Pressure, to improve based on the riveting intensity for being stacked riveting, still, the back pressure increased is more than the iron core of the side pressure based on extrusion ring
During the retentivity of thin plate, it may occur that the iron core thin plate in extrusion ring (or punch die) can be jacked up (hereinafter referred to as by supporting station
" jack-up of iron core thin plate ".) failure.Therefore, the back pressure of the jack-up failure of iron core thin plate as avoiding is being developed
Device.For example, as it is known that following such back pressure apparatus：The back pressure apparatus has：The mounting table that can be lifted；Elastomeric element (gas
Pressing spring etc.), it is configured in the mounting table；And support plate, the upper end of the elastomeric element is arranged at, it is more for accumulating
A iron core thin plate, when being pressed using punch, the height and position of mounting table is fixed, also, due to punch pressing and
The decline of caused support plate and as compressive state elastomeric element to support plate apply and punch pressing direction phase negative side
To power so that back pressure more effectively works
The content of the invention
In a kind of laminate core die device (6) of the present invention, the banding sheet metal (W) come from intermittent delivery is punched out
Multiple iron core thin plates are stacked and produce laminate core (3), which is characterized in that die device back pressure by iron core thin plate (2)
Device (6) has：Supporting station (31) is lifting freely arranged on holding from the banding sheet metal in die device (1)
In the iron core holding member (22) for the iron core thin plate being punched out, the iron core thin plate is placed in the supporting station successively
(31)；Bearing unit (32) supports the supporting station；Lifting motor (33) carries out institute by means of the bearing unit
State the lifting action of supporting station；And control device (34), control the spinning movement of the lifting motor, the control dress
The action according to the die device is put to set to limit multiple torque limits of the output torque of the lifting motor
Value, in the punching of the iron core thin plate, the maximum torque limit value in the multiple torque limit value is to limit
State output torque.
A kind of laminate core die device, can be prevented using simple structure due to exceedingly being applied from supporting station
Add the jack-up of iron core thin plate caused by back pressure, and appropriate back pressure can be generated in the punching of iron core thin plate.In more detail
Ground is said, when not being punched, iron core thin plate is prevented by using relatively low torque limit value (that is, the back pressure that can be applied in)
Torque limit value when jacking up and increasing the punching of iron core thin plate, can further improve the degree of fitting closely between each iron core
(that is, the fixed force between each iron core thin plate), and then, the occupation efficiency of laminate core can be improved.
Optionally, the control device limits the output torque of the lifting motor, the multiple torque limit always
Low torque in addition to when high torque limits value when being worth the punching by the iron core thin plate and the punching except the iron core thin plate limits
Value is formed.
Invention effect：
In accordance with the invention it is possible to the jack-up of iron core thin plate is prevented using simple structure, and rushing in iron core thin plate
Appropriate back pressure can be generated during sanction.
Description of the drawings
Fig. 1 is the structure chart for showing a kind of laminate core die device major part of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the structure chart for the major part for showing a kind of laminate core die device of the present invention, to by electromagnetic steel plate
Annulus component (banding sheet metal) W of formation carries out metal stamping processing and produces iron core thin plate 2 being stacked multiple form
Laminate core 3.Die device 1 is mainly made of following part：Upper mold 4 is configured to move back and forth along the vertical direction；
Lower die 5 is fixed on retainer (not shown)；And back pressure apparatus 6, under the iron core thin plate 2 that is stacked in lower die 5
Surface, which applies, to upward pressure (back pressure).Upper mold 4 has：It (in Fig. 1, is only shown outer for being punched multiple punches of annulus component W
Shape punching punch 10.)；Punch keeping body 11 keeps these punches；Multiple guide posts are (here, only show guide post
12.), they extend up and down, with the lifting action of pilot punch keeping body 11；And stripper plate 13, by the demoulding (not shown)
It is supported to and slid freely with guiding piece, for the annulus component W after punching to be made to be separated from punch.In addition, the top quilt of upper mold 4
Sliding part (not shown) is fixed on, which moves back and forth along the vertical direction (for example, on the stroke of 25mm~35mm or so
Lower movement).In sliding part, the rotary motion of the bent axle 16 driven by upper mold drive motor 15 is via connecting rod (not shown) quilt
Be converted to the movement of the vertical direction of upper mold 4.In addition, being provided with encoder 17 in sliding part, which is used to detect song
The rotatable phase (rotation angle rotated from the reference rotational position of bent axle 16) of axis 16, and generate the volume for representing the testing result
Code signal (hereinafter referred to as " synchronizing signal ").Lower die 5 has：Punch die 20 is equipped with for the insertion of generally cylindrical punch 10
The shape punching of circular；Die plate 21 is kept around punch die 20；Extrusion ring (iron core holding member) 22, with punching
The lower end connection of mould 20 applies side pressure (fastening force) to the iron core thin plate 2 being laminated；Punch die retainer 23 keeps squeezing
Ring 22, and support the lower surface of die plate 21；And accessory plate 25, the lower surface of supporting punch die retainer 23.Also,
In present embodiment, extrusion ring 22 has been used as the iron core holding member for the iron core thin plate 2 being punched out to be kept to show
Structure, still, as long as the structure at least stored multiple iron core thin plates 2 and be stacked for above-mentioned multiple iron core thin plates 2,
Extrusion ring 22 is not limited to, the arbitrary component in substantially tubular can be used.In addition, as iron core holding member, more than with
Component for the purpose of side pressure is applied to the iron core thin plate 2 being laminated, can also be to make lamination using bore (bullport)
As the shape in the hole, circle not only may be employed in component for the purpose of arrangement, can also be opposite with the shape of iron core thin plate 2
Ying Di, use is square, fan, trapezoidal, T-shaped etc. variously-shaped.The internal diameter of extrusion ring 22 is set to same with the internal diameter of punch die 20
Deng size (be set as identical with internal diameter or be set as more somewhat smaller or greater than internal diameter), extrusion ring 22 is in the punch die 20 to punching
The iron core thin plate 2 gone out is kept and using punch 10 iron core thin plate 2 is made to move downwards successively with applying defined side pressure.The back of the body
Pressure device 6 mainly has：Supporting station 31, the iron core thin plate 2 being punched out in punch die 20 are placed in the supporting station 31 successively；Branch
Bearing unit 32 supports supporting station 31 from below；Lifting motor 33 generates to make supporting station by means of bearing unit 32
The power of 31 liftings；Controller (control device) 34 controls the spinning movement of lifting motor 33；And driver 35,
Lifting motor 33 is driven according to the instruction from controller 34.As lifting motor 33, servo motor, step can be used
Into motor well known to motor etc..Supporting station 31 has a flat upper surface 31a, and upper surface 31a is in the punch die 20 and extrusion ring
It waits in 22 and is abutted with the lower surface of iron core thin plate 2, the iron core thin plate 2 of upper surface 31a is placed in by pressing upward come to iron
Heart thin plate 2 applies back pressure (pressing force).Supporting station 31 can be in the upper limit position being set near the upper end of punch die 20 to extruding
It is lifted between the lower position (taking out of position) of 22 lower section of ring.Also, in the present embodiment, as each iron core thin plate 2 of fixation
Method using being stacked riveting, by making to be formed at the riveting of neighbouring iron core thin plate 2 with concave-convex riveting combination and shape
Into laminate core 3.Simply, it is not limited to be stacked riveting, as the method for each iron core thin plate 2 of fixation, can also will uses and bond
Other well known methods such as the lamination adhesive method of agent or the method for laser welding of use laser are applied to the die device 1 of the present invention.
Vertically extending support shaft 41 is provided on bearing unit 32 and forms 43 He of a pair of of nut of ball-screw 42
Lead screw shaft 44.Support shaft 41 is made of axis with a higher rigidity, and the movement in limit levels direction is carried out by guiding piece (not shown).This
Outside, the upper end of support shaft 41 is connected with the lower part of supporting station 31, and on the other hand, the lower end of support shaft 41 is fixed in nut
43.Here, although it is not shown, identical with well known nut, in the silk that is arranged in lead screw shaft 44 of being internally provided with of nut 43
Thick stick axis side thread groove, also, it is additionally provided with nut side thread groove, for making the circulation canal of ball-recirculation and airstream deflector etc.,
In, ball (hard sphere) is so as to the mode rolled is accommodated in the thread groove of the nut side.Lead screw shaft 44 becomes horse with its axle center
The rotation axis of mode and lifting motor 33 up to axis of rotation directly links.According to this structure, in bearing unit 32,
Using lifting motor 33 just then so that lead screw shaft 44 to positive direction rotate when, nut 43 rises, and is fixed on nut as a result,
43 support shaft 41 (and supporting station 31) also rises.On the other hand, it is inverted such that lead screw shaft 44 using lifting motor 33
When rotating round about, nut 43 declines, and the support shaft 41 for being fixed on nut 43 as a result, also declines.In the present embodiment,
Although being formed as the structure for using lifting motor 33 lead screw shaft 44 being caused to rotate, it's not limited to that, can also be formed
To cause the structure of nut rotation by the rotation of lifting motor 33.In this case, supporting station is installed in lead screw shaft, borrow
Help the rotation of nut and so that lead screw shaft moves forward and backward (that is, supporting station rises or falls) along the vertical direction.Lifting motor 33
On be attached to detect its speed and rotation angle (position), encoder 51 as speed/positional detection device.Coding
Device 51 is using the testing result of speed and rotation angle as code device signal (hereinafter referred to as " speed/positional detection signal ".) give
Go out to driver 35.Also, as the speed/positional detection device of lifting motor 33, encoder is not limited to, can also be used
Other detection devices such as rotary transformer.Alternatively, nut can also be detected using line position scale uniform velocity/position detecting device
43 position, and it is sent to driver 35 using its testing result as speed/positional detection signal.Controller 34 is from 4 side of upper mold
Encoder 17 obtain comprising bent axle 16 rotatable phase (that is, the timing of the lifting action of punch 10) information synchronizing signal,
The speed command and position command of lifting motor 33 are sent out to driver 35 according to the synchronizing signal, thus controls motor
Spinning movement (that is, the lifting action of supporting station 31).Driver 35 is according to speed command and position command from controller 34
At least one party and carry out the speed/positional detection signal (that is, speed and position feedback) of self-encoding encoder 51 to control from power supply (not
Diagram) electric current that applies to lifting motor 33, thus control the rotary speed of lifting motor 33 and stop position (i.e.,
The lifting speed and stop position of supporting station 31).In addition, torque limit value of the controller 34 according to preset more than 1, right
Driver 35 sends out torque limit instruction (that is, torque limit value).On torque limit value, can according to from extrusion ring 22 to iron
Pressure (side pressure) that the circumferential surface of heart thin plate 2 applies or the thickness of iron core thin plate 2 etc., at least from the jack-up for preventing iron core thin plate 2
Viewpoint sets out to be set.Driver 35 instructs to set to lifting motor 33 according to the torque limit from controller 34
The current limit value of application, to limit the output torque of lifting motor 33 (that is, the back pressure of back pressure apparatus 6).It is used on lifting
The torque limit value of motor 33, it is preferred that be set as being less than punch using the power that lifting motor 33 rises supporting station 31
10 pressing force.First iron core thin plate 2 is placed on supporting station 31.By second later iron core thin plate 2 stack gradually in
In the iron core thin plate group for being punched and being laminated in punch die 20 in the front, then successively to the extrusion ring 22 of the lower section of punch die 20
Interior press-in, so that it is fixed to one another in the iron core thin plate group (that is, laminate core 3) of regulation number.It is carrying out based on punch 10
Punching when, the downward pressing force based on punch 10 can be generated on the supporting station 31 for be placed with iron core thin plate 2, still, by
It is configured to carry out the mode of counteragent in ball-screw 42, therefore, is being applied with the load more than torque limit value
In the case of, motor 33 is reversely rotated.Using the counteragent (that is, the decline of supporting station 31) of the ball-screw 42, with
Gas spring of the prior art etc. can obtain increase back pressure and buffer the effect of the impact of punch in the same manner, can mitigate pair
In the load (buffering punching load) of 32 grade of bearing unit.On the structure of back pressure apparatus 6, as long as at least ball-screw is set
Into the mode that can carry out counteragent, the structure being shown in which just is not limited to, other structures can also be used.Also, at this
It is omitted the description in specification, in die device 1, shape punching and layer as iron core thin plate 2 associated with said structure
A upper process of folded (fixation) process implements the punching of pilot hole or slot portion, internal diameter tooth etc. successively identically with existing apparatus
The each processes such as processing, so as to be continuously formed iron core thin plate 2.In addition, on 1 relevant Strip layout (iron core of die device
Shape of thin plate 2 etc.), as long as back pressure can be applied using back pressure apparatus 6 when being punched the shape of iron core thin plate 2, can apply
Arbitrary form.
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help to understand method and its core concept of the invention；
Meanwhile for those of ordinary skill in the art, thought according to the invention can in specific embodiments and applications
There is change part, in conclusion this specification content should not be construed as limiting the invention.
Claims (2)
1. a kind of laminate core die device, it is thin that the strip-shaped thin steelplate punching which comes from intermittent delivery goes out iron core
Multiple iron core thin plates are stacked and produce laminate core by plate, it is characterised in that：The mold back pressure apparatus has：Supporting
Platform is lifting freely arranged on the iron for the iron core thin plate for keeping determining from the strip-shaped thin steel plate stamping in die device
In heart holding member, the iron core thin plate is placed in the supporting station successively；Bearing unit supports the supporting station；Lifting
With motor, the lifting action of the supporting station is carried out by means of the bearing unit；And control device, control the liter
The spinning movement of drop motor, the control device set to limit the lifting and use according to the action of the die device
Multiple torque limit values of the output torque of motor, in the punching of the iron core thin plate, according to the multiple torque limit value
In maximum torque limit value limit the output torque.
2. a kind of laminate core die device according to claim 1, which is characterized in that the control device limits always
The output torque of the lifting motor, the multiple torque limit value by the iron core thin plate punching when high torque limit
Value and when the punching of the iron core thin plate in addition to low torque limits value form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370830.3A CN108110970A (en) | 2017-12-19 | 2017-12-19 | A kind of laminate core die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370830.3A CN108110970A (en) | 2017-12-19 | 2017-12-19 | A kind of laminate core die device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108110970A true CN108110970A (en) | 2018-06-01 |
Family
ID=62210061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370830.3A Pending CN108110970A (en) | 2017-12-19 | 2017-12-19 | A kind of laminate core die device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439828A (en) * | 2019-08-30 | 2021-03-05 | 株式会社三井高科技 | Metal product discharge device and metal product manufacturing method |
| CN116670791A (en) * | 2021-03-02 | 2023-08-29 | 三菱电机株式会社 | Laminated core, method for manufacturing laminated core, and apparatus for manufacturing laminated core |
-
2017
- 2017-12-19 CN CN201711370830.3A patent/CN108110970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439828A (en) * | 2019-08-30 | 2021-03-05 | 株式会社三井高科技 | Metal product discharge device and metal product manufacturing method |
| CN116670791A (en) * | 2021-03-02 | 2023-08-29 | 三菱电机株式会社 | Laminated core, method for manufacturing laminated core, and apparatus for manufacturing laminated core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6531114B2 (en) | Reverse pressing device for progressive die device and progressive die device provided with the same | |
| CN106061641B (en) | The back pressure apparatus of progressive die device and the progressive die device with the back pressure apparatus | |
| JP4993997B2 (en) | Release mechanism and correction processing apparatus having the release mechanism | |
| CN206527232U (en) | A kind of automatic material jacking mechanism in small-sized handware diel | |
| CN108110970A (en) | A kind of laminate core die device | |
| CN205270511U (en) | Die cushion device | |
| CN110479895B (en) | NCK high-speed servo feeder and control method thereof | |
| CN107745045A (en) | A kind of guiding mechanism of metal stamping die | |
| JP6294297B2 (en) | Back pressure device for progressive metal mold apparatus, laminated core manufacturing apparatus having the same, and back pressure control method in progressive metal mold apparatus | |
| CN203695714U (en) | Thin plate expanding pull curved surface forming device | |
| JP2014100008A (en) | Winding apparatus and winding method | |
| CN219541624U (en) | Corner plate forging press loading attachment | |
| CN105436288B (en) | A kind of decompressor for motor stamping production | |
| CN105499456B (en) | A kind of metal-rubber rolling forming device | |
| JP2004174595A (en) | Processing unit and its method | |
| CN212070051U (en) | Steel member bending device | |
| CN106964979A (en) | A kind of freewheel clutch ball and spring assembly machine | |
| CN209150959U (en) | A kind of production equipment for assembling motor case | |
| CN206925180U (en) | A kind of full-automatic pipe bender | |
| CN107282772A (en) | A kind of mould for crimping | |
| CN217889365U (en) | Straightening machine for wire based on electric power | |
| CN207402014U (en) | A kind of feeding device for metal plate punching ancillary equipment | |
| CN206405258U (en) | A kind of rotating tower punch | |
| CN206142772U (en) | Double motor lift stand | |
| CN201371166Y (en) | Pulley device for wire drawing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |
|
| WD01 | Invention patent application deemed withdrawn after publication |