CN105471198B - Three station pressing machine of iron core of motor of motor vehicle stent - Google Patents
Three station pressing machine of iron core of motor of motor vehicle stent Download PDFInfo
- Publication number
- CN105471198B CN105471198B CN201510965687.7A CN201510965687A CN105471198B CN 105471198 B CN105471198 B CN 105471198B CN 201510965687 A CN201510965687 A CN 201510965687A CN 105471198 B CN105471198 B CN 105471198B
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- Prior art keywords
- motor
- workbench
- platen
- press
- iron core
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000035611 feeding Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of three station pressing machine of iron core of motor of motor vehicle stent, including workbench and upper platen, upper platen is fixed on the table by column, elevating mechanism is fixedly connected with the top of the upper platen, elevating mechanism is connected with upper mould fixed plate through upper platen and lower end, upper mould fixed plate lower surface is fixed with press fitting upper mold, there is rotary platen on the workbench, rotary platen central lower is connected with rotary index mechanism, rotary platen is circumferentially distributed feeding portion, press-fit portion and feeding portion, the feeding portion, press-fit portion and feeding portion are both provided with press fitting lower die, press-fit portion is located at immediately below upper mould fixed plate, material returned oil cylinder is connected with below feeding portion；Structure of the present invention is reliable, and production efficiency is high, and the degree of automation is high, high yield rate, is adapted to produce in enormous quantities in industry.
Description
Technical field
The present invention relates to a kind of pressing machine, more particularly, to a kind of three station pressing machine of iron core of motor of motor vehicle stent.
Background technology
Electric car into very universal a kind of vehicles in for people's lives, is seen everywhere, electric car in life
Motor is the cardiac component of electric car, there is vital effect, and in motor assembling process, electric machine support is pressed into iron core
Process be very important a part, its quality being pressed directly affects the quality of whole motor.Electric machine support has single-side stand
With point of double bracket, it is required for electric machine support being pressed into iron core in assembling process.Existing press-loading process is with commonly
Press, when operation, are manually placed a stent within press die, and control press is pressed after placing the position of iron core and stent,
Workpiece is taken out after the completion of press fitting.Although this press-fit approach can be met the requirements in quality, work efficiency is low, scraps at the same time
Rate is higher, and the efficiency of whole flow line production cannot be met when producing in enormous quantities.
The content of the invention
The present invention is intended to provide a kind of three station pressing machine of iron core of motor of motor vehicle stent, its structure is reliable, production efficiency
Height, the degree of automation are high.
The technical scheme is that a kind of three station pressing machine of iron core of motor of motor vehicle stent, including workbench and appear on the stage
Plate, upper platen are fixed on the table by column, are fixedly connected with elevating mechanism at the top of the upper platen, elevating mechanism passes through
Upper platen and lower end are connected with upper mould fixed plate, and upper mould fixed plate lower surface is fixed with press fitting upper mold, has rotation on the workbench
Rotary table plate, rotary platen central lower are connected with rotary index mechanism, rotary platen is circumferentially distributed have feeding portion, press-fit portion and
Feeding portion, the feeding portion, press-fit portion and feeding portion are both provided with press fitting lower die, and press-fit portion is located at immediately below upper mould fixed plate,
Material returned oil cylinder is connected with below feeding portion.
Preferably, the rotary index mechanism includes the shaft at connection rotary platen center and the indexing of connection rotating shaft lower end
Servomotor, indexing servomotor are fixed on workbench lower surface.
Preferably, be provided with press-fit portion and/or the feeding portion positioning indexing block, positioning indexing block include fixed part and
Pars contractilis, fixed part are fixedly connected on the table, and pars contractilis passes through fixed part and can be elastic, and pars contractilis front end is connected with
Locating piece；Rotary platen sidepiece at press-fit portion and the feeding portion has with positioning the block-shaped recessed groove for fastening and being adapted to.
Preferably, the manipulator of automatic material taking is provided with the outside of the feeding portion, manipulator includes rotating part and clamping part,
The rotating part includes the rotation axis through workbench, is provided with belt wheel below rotation axis, belt wheel connects servo by V belt translation
Motor, servomotor are fixed on workbench lower surface；The clamping part includes the connecting plate that centre is fixedly connected with rotation axis, connection
Plate both ends are connected to bare terminal end, and each bare terminal end is connected to the left and right claw that can be mutually clamped and open, left,
Right jamming claw is connected to cylinder and air operated reversing valve.
Preferably, rotation axis outer surface fixing sleeve is connected to locating piece, and it is fixed to be connected with the workbench on the outside of locating piece
Position indexing block, positioning indexing block include fixed part and pars contractilis, and fixed part is fixedly connected on the table, and pars contractilis, which passes through, to be fixed
Portion and can be elastic, pars contractilis front end is connected with locating piece；Indexing has two depressions for being in 180 ° on the locating piece
Groove, the shape of recessed groove fasten with the shape of locating piece and are adapted to.
Preferably, to be motor connect driving locating piece to the pars contractilis by leadscrew-nut mechanism or is hydraulic cylinder piston
Bar connection driving locating piece.
Preferably, the press fitting lower die includes sequentially connected lower die, lower die contiguous block and spring positioning plate from top to bottom,
Spring positioning plate through rotary platen through hole in both into clearance fit, spring be arranged on spring positioning plate periphery, spring two
End is contacted with rotary platen and spring positioning plate end respectively.
Preferably, the worktable upper surface at the press-fit portion is fixedly connected with Pressure Block, the insertion work of Pressure Block bottom
In the through hole of platform, gap between Pressure Block top surface and rotary platen bottom surface is 1mm between 20mm, Pressure Block top surface and spring
The spacing of positioning plate bottom surface is more than 1mm.
Preferably, the elevating mechanism is hydraulic cylinder, and hydraulic cylinder piston rod connects upper mould fixed plate, upper mold through upper platen
Installing plate is provided with the through hole passed through for column and can be slided up and down along column.
Preferably, the workbench side is connected with the electric box of electrical system integrated control, and workbench periphery is provided with
Protective cover.
Structure structure of the present invention is reliable, and production efficiency is high, high yield rate, and the degree of automation is high, can meet whole assembly line
High efficiency production, be adapted to industry on produce in enormous quantities.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the structure diagram at another visual angle of the present invention；
Fig. 4 is the structure diagram of positioning indexing block in the present invention；
Fig. 5 is the structure diagram for being pressed lower die in the present invention；
Fig. 6 is the structure diagram of bottom views of the present invention；
Fig. 7 is the structure diagram of electric car iron core single-side stand；
Fig. 8 is the full sectional view in the B-B directions of Fig. 7；
Fig. 9 is the structure diagram of electric car iron core double bracket；
Figure 10 is the full sectional view in the C-C directions of Fig. 9；
In figure：1- workbench, 2- upper platens, 3- columns, 4- upper mould fixed plates, 5- press fitting upper molds, 6- rotary platens, on 7-
Material portion, 8- press-fit portions, 9- feedings portion, 10- press fitting lower dies, 11- material returned oil cylinders, 12- indexing servomotors, 13- positioning indexing blocks,
14- fixed parts, 15- pars contractilis, 16- locating pieces, 17- manipulators, 18- rotation axis, 19- belt wheels, 20- servomotors, 21- connections
Plate, the left and right claws of 22-, 23- locating pieces, 24- lower dies, 25- lower die contiguous blocks, 26- spring positioning plates, 27- springs, 28- pressure-bearings
Seat, 29- hydraulic cylinders, 30- electric boxs.
Embodiment
Below in conjunction with the accompanying drawings, the present invention will be described in further detail.
As shown in Fig. 1 Fig. 6, the invention discloses a kind of three station pressing machine of iron core of motor of motor vehicle stent, including work
Make platform 1 and upper platen 2, upper platen 2 is fixed on workbench 1 by column 3, and the top of upper platen 2 is fixedly connected with lifting
Mechanism, elevating mechanism are connected with upper mould fixed plate 4 through upper platen 2 and lower end, and 4 lower surface of upper mould fixed plate is fixed with press fitting
Mould 5, has rotary platen 6 on the workbench 1,6 central lower of rotary platen is connected with rotary index mechanism, rotary index mechanism
The indexing servomotor 12 of shaft and connection rotating shaft lower end including 6 center of connection rotary platen, indexing servomotor 12 are fixed
In 1 lower surface of workbench, rotary platen 6 is circumferentially distributed feeding portion 7, press-fit portion 8 and feeding portion 9, the feeding portion 7, pressure
Dress portion 8 and feeding portion 9 are both provided with press fitting lower die 10, and press fitting lower die 10 includes sequentially connected lower die 24, lower die from top to bottom
Contiguous block 25 and spring positioning plate 26, spring positioning plate 26 through in the through hole of rotary platen 6 both into clearance fit, spring 27
The periphery of spring positioning plate 26 is arranged on, 27 both ends of spring are contacted with rotary platen 6 and 26 end of spring positioning plate respectively, press-fit portion
8 immediately below upper mould fixed plate 4, and the lower section of feeding portion 9 is connected with material returned oil cylinder 11, is set at press-fit portion 8 and/or feeding portion 9
There is positioning indexing block 13, positioning indexing block 13 includes fixed part 14 and pars contractilis 15, and fixed part 14 is fixedly connected on workbench 1
On, pars contractilis 15 passes through fixed part 14 and can be elastic, and 15 front end of pars contractilis is connected with locating piece 16；8 He of press-fit portion
6 sidepiece of rotary platen at feeding portion 9 has the recessed groove for fastening and being adapted to 16 shape of locating piece, and the outside of feeding portion 9 is provided with
The manipulator 17 of automatic material taking, manipulator 17 include rotating part and clamping part, and the rotating part includes the rotation through workbench
Axis 18, the lower section of rotation axis 18 are provided with belt wheel 19, and belt wheel 19 connects servomotor 20 by V belt translation, and servomotor 20 is fixed on
1 lower surface of workbench；The clamping part includes the connecting plate 21 that centre is fixedly connected with rotation axis 18,21 both ends of connecting plate difference
Bare terminal end is connected with, each bare terminal end is connected to the left and right claw 22 that can be mutually clamped and open, and left and right claw 22 divides
Cylinder and air operated reversing valve are not connected with it.
Preferably, 18 outer surface fixing sleeve of rotation axis is connected to locating piece 23, is connected with the workbench 1 in the outside of locating piece 23
Positioning indexing block 13, positioning indexing block 13 include fixed part 14 and pars contractilis 15, and fixed part 14 is fixedly connected on workbench 1,
Pars contractilis 15 passes through fixed part 14 and can be elastic, and pars contractilis 15 passes through leadscrew-nut mechanism for motor and connects driving locating piece
Or be hydraulic cylinder piston rod connection driving locating piece, 15 front end of pars contractilis is connected with locating piece 16；Divide on the locating piece 23
Degree has two recessed grooves for being in 180 °, and the shape of recessed groove fastens with the shape of locating piece 16 to be adapted to.
Preferably, 1 upper surface of workbench at press-fit portion 8 is fixedly connected with Pressure Block 28,28 bottom of Pressure Block insertion work
In the through hole for making platform 1, gap between 6 bottom surface of 28 top surface of Pressure Block and rotary platen is 1mm between 20mm, and Pressure Block 28 pushes up
Face and the spacing of 26 bottom surface of spring positioning plate are more than 1mm.
Preferably, elevating mechanism is hydraulic cylinder 29, and 29 piston rod of hydraulic cylinder connects upper mould fixed plate 4 through upper platen 2, on
Mold mounting plate 4 is provided with the through hole passed through for column 3 and can be slided up and down along column 3.
Preferably, 1 side of workbench is connected with the electric box 30 of electrical system integrated control, and whole system is by electrically collecting
Into control, 1 periphery of workbench is provided with protective cover.
Shown in Fig. 7 and Fig. 8 is a kind of structure of electric vehicle motor single-side stand press-in electric machine iron core, and an exterior circle is iron
Core, is laminated for steel disc winding, or is formed by connecting for the stacking of monolithic steel disc, and internal is stent, both are solid by being pressed
Fixed connection.The double bracket press-in electric machine iron core of Fig. 9 and Figure 10 is exactly mutual riveting while being pressed into electric machine iron core by two single-side stands
Connect and form.
In use, electric machine support and iron core are put into the press fitting lower die 10 at feeding portion 7, controlling switch, indexing are opened
The rotation of servomotor 12 drives rotary platen 6 to rotate 120 ° so that charged press fitting lower die 10 rotates at feeding portion 7 originally
To at press-fit portion 8, system detectio in place after, at press-fit portion 8 and feeding portion 9 positioning indexing block 13 at motor or cylinder open
It is dynamic so that locating piece 16, which stretches out, to be caught in the recessed groove of 6 sidepiece of rotary platen so that rotary platen 6 will not be in the effect of external force
Lower rotation, performs pressing action, upper mould fixed plate 4 is in hydraulic cylinder 29 after the reception signal of hydraulic cylinder 29 at upper platen 2 at this time
Driving lower band dynamic pressure, which is loaded onto mould 5 and pushed, completes press fitting process, simultaneously as the presence of spring positioning plate 26, suffered by lower die 24
Pressure is acted directly on spring positioning plate 26, and spring 27 produces deformation, and 26 lower end of spring positioning plate is contacted with Pressure Block 28, directly
Connect and act on substantial force on workbench 1, avoid rotary platen 6 from receiving excessive extruding force and tilt, and then damage it
His structure, and rotary platen 6 in rotary course since press fitting lower die 10 is not stressed, spring will under the elastic force effect of itself
Spring positioning plate 26 jacks up so that spring positioning plate 26 is separated with Pressure Block 28, carries out feeding process, pressure at feeding portion 7 at this time
29 piston rod of hydraulic cylinder is retracted after dress portion 8 is pressed, and the locating piece 16 at positioning indexing block 13 is in oneself motor or hydraulic pressure
Retract under the action of cylinder, indexing servomotor 12 controls rotary platen 6 to rotate 120 °, and the workpiece for being pressed completion is rotated to feeding portion
9, at this time since a upper station is prepared for performing press fitting, the locating piece 16 of positioning indexing block 13 blocks rotary platen 6, the material returned
Workpiece is ejected and separated with press fitting lower die 10 by oil cylinder 11, and manipulator 17 receives the action of execution clamping workpiece after signal, specifically
Inwardly engage under the action of air operated reversing valve and cylinder for left and right claw 22, clamp workpiece, at this time on the outside of manipulator 17
Positioning indexing block 13 performs the action of positioning, is specially the recessed groove that locating piece 16 is caught at locating piece 23 so that manipulator 17
Rotation will not be produced, after clamping, locating piece 16 is retracted and recessed groove point under the action of oneself motor or hydraulic cylinder
From servomotor 20 drives rotation axis 18 to rotate 180 ° by V belt translation, i.e. connecting plate 21 rotates 180 ° so that two bare terminal ends
Location swap, the bare terminal end for clamping workpiece turned on product pipeline, at this time electrical system control air operated reversing valve into
And cylinder is controlled so that left and right claw 22 opens, the finished product for being pressed completion falls into product pipeline and is operated next process,
Three stations are independently of one another and the linking that is fitted to each other, whole process move in circles, and substantially increase production efficiency, meeting entirely
On the basis of the speed of production of production line, an equipment can replace before multiple devices, reduce occupation area of equipment, at the same time
Improve yield rate.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
Claims (9)
1. a kind of three station pressing machine of iron core of motor of motor vehicle stent, including workbench（1）And upper platen（2）, upper platen（2）It is logical
Cross column（3）It is fixed on workbench（1）On, it is characterised in that：The upper platen（2）Top is fixedly connected with elevating mechanism, rises
Descending mechanism passes through upper platen（2）And lower end is connected with upper mould fixed plate（4）, upper mould fixed plate（4）Lower surface is fixed with press fitting
Mould（5）, the workbench（1）On have rotary platen（6）, rotary platen（6）Central lower is connected with rotary index mechanism, rotation
Platen（6）It is circumferentially distributed to have feeding portion（7）, press-fit portion（8）With feeding portion（9）, the feeding portion（7）, press-fit portion（8）With take
Material portion（9）It is both provided with press fitting lower die（10）, press-fit portion（8）Positioned at upper mould fixed plate（4）Underface, feeding portion（9）Lower section connects
It is connected to material returned oil cylinder（11）, the press-fit portion（8）And/or feeding portion（9）Place is provided with positioning indexing block（13）, positioning indexing block
（13）Including fixed part（14）And pars contractilis（15）, fixed part（14）It is fixedly connected on workbench（1）On, pars contractilis（15）Pass through
Fixed part（14）And can be elastic, pars contractilis（15）Front end is connected with locating piece (16)；The press-fit portion（8）With feeding portion
（9）The rotary platen at place（6）Sidepiece has the recessed groove for fastening and being adapted to locating piece (16) shape.
2. three station pressing machine of iron core of motor of motor vehicle stent according to claim 1, it is characterised in that：The rotation point
Spending mechanism includes connection rotary platen（6）The shaft at center and the indexing servomotor of connection rotating shaft lower end（12）, index servo
Motor（12）It is fixed on workbench（1）Lower surface.
3. three station pressing machine of iron core of motor of motor vehicle stent according to claim 1, it is characterised in that：The feeding portion
（9）Outside is provided with the manipulator of automatic material taking（17）, manipulator（17）Including rotating part and clamping part, the rotating part includes
Through the rotation axis of workbench（18）, rotation axis（18）Lower section is provided with belt wheel（19）, belt wheel（19）Watched by V belt translation connection
Take motor（20）, servomotor（20）It is fixed on workbench（1）Lower surface；The clamping part is fixedly connected with rotation axis including centre
（18）Connecting plate（21）, connecting plate（21）Both ends are connected to bare terminal end, and each bare terminal end is connected to can be mutual
Engaging and the left and right claw opened（22）, left and right claw（22）It is connected to cylinder and air operated reversing valve.
4. three station pressing machine of iron core of motor of motor vehicle stent according to claim 3, it is characterised in that：The rotation axis
（18）Outer surface fixing sleeve is connected to locating piece（23）, locating piece（23）The workbench in outside（1）On be connected with positioning indexing block
（13）, positioning indexing block（13）Including fixed part（14）And pars contractilis（15）, fixed part（14）It is fixedly connected on workbench（1）
On, pars contractilis（15）Through fixed part（14）And can be elastic, pars contractilis（15）Front end is connected with locating piece（16）；It is described fixed
Position part（23）Upper indexing has two recessed grooves for being in 180 °, the shape and locating piece of recessed groove（16）Shape fasten it is suitable
Match somebody with somebody.
5. the three station pressing machine of iron core of motor of motor vehicle stent according to claim 1 or 4, it is characterised in that：It is described to stretch
Contracting portion（15）By leadscrew-nut mechanism connection driving locating piece or it is hydraulic cylinder piston rod connection driving locating piece for motor.
6. three station pressing machine of iron core of motor of motor vehicle stent according to claim 1, it is characterised in that：Under the press fitting
Mould（10）Including sequentially connected lower die from top to bottom（24）, lower die contiguous block（25）With spring positioning plate（26）, spring positioning
Plate（26）Through rotary platen（6）Through hole in both into clearance fit, spring（27）It is arranged on spring positioning plate（26）Periphery,
Spring（27）Both ends respectively with rotary platen（6）With spring positioning plate（26）End contacts.
7. three station pressing machine of iron core of motor of motor vehicle stent according to claim 6, it is characterised in that：The press-fit portion
（8）The workbench at place（1）Upper surface is fixedly connected with Pressure Block（28）, Pressure Block（28）Bottom is embedded in workbench（1）Through hole
It is interior, Pressure Block（28）Top surface and rotary platen（6）Gap between bottom surface is 1mm between 20mm, Pressure Block（28）Top surface with
Spring positioning plate（26）The spacing of bottom surface is more than 1mm.
8. three station pressing machine of iron core of motor of motor vehicle stent according to claim 1, it is characterised in that：The elevator
Structure is hydraulic cylinder（29）, hydraulic cylinder（29）Piston rod passes through upper platen（2）Connect upper mould fixed plate（4）, upper mould fixed plate（4）Open
Have and supply column（3）The through hole passed through simultaneously can be along column（3）Slide up and down.
9. three station pressing machine of iron core of motor of motor vehicle stent according to claim 1, it is characterised in that：The workbench
（1）Side is connected with the electric box of electrical system integrated control（30）, workbench（1）Periphery is provided with protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965687.7A CN105471198B (en) | 2015-12-22 | 2015-12-22 | Three station pressing machine of iron core of motor of motor vehicle stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965687.7A CN105471198B (en) | 2015-12-22 | 2015-12-22 | Three station pressing machine of iron core of motor of motor vehicle stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105471198A CN105471198A (en) | 2016-04-06 |
| CN105471198B true CN105471198B (en) | 2018-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510965687.7A Active CN105471198B (en) | 2015-12-22 | 2015-12-22 | Three station pressing machine of iron core of motor of motor vehicle stent |
Country Status (1)
| Country | Link |
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| CN (1) | CN105471198B (en) |
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| CN103230953A (en) * | 2013-04-23 | 2013-08-07 | 龙口市蓝牙数控装备有限公司 | Multi-segment cold extrusion forming machine |
| CN103457420A (en) * | 2013-08-22 | 2013-12-18 | 宁波菲仕运动控制技术有限公司 | Servo motor rotor core riveting tool |
| CN103707044A (en) * | 2013-09-25 | 2014-04-09 | 常州新区金康精工机械有限公司 | Multi-station shaft compressing machine |
| CN103978142A (en) * | 2014-04-18 | 2014-08-13 | 合肥凯邦电机有限公司 | Motor rivet crimping equipment |
| CN204013113U (en) * | 2014-06-04 | 2014-12-10 | 重庆昆旺电子有限责任公司 | A kind of micromotor stator automatic press mounting system |
| CN204381148U (en) * | 2014-12-25 | 2015-06-10 | 天津向荣铝业有限公司 | Air pressure drives the adjustable aluminium section bar decompressor of stroke |
| CN204996995U (en) * | 2015-07-31 | 2016-01-27 | 杭州吉众机电有限公司 | Automatic squeeze riveter |
| CN205195516U (en) * | 2015-12-22 | 2016-04-27 | 信质电机股份有限公司 | Three station pressure equipments on electric motor car motor core support machine |
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| CN105471198A (en) | 2016-04-06 |
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Denomination of invention: Three position press mounting machine for iron core bracket of electric vehicle motor Effective date of registration: 20201105 Granted publication date: 20180515 Pledgee: Agricultural Bank of China Limited by Share Ltd. Taizhou Jiaojiang branch Pledgor: CHANGYINGXINZHI TECHNOLOGY Co.,Ltd. Registration number: Y2020330000902 |
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