CN214850892U - Low-noise motor iron core skew closed assembly mould - Google Patents
Low-noise motor iron core skew closed assembly mould Download PDFInfo
- Publication number
- CN214850892U CN214850892U CN202023213571.3U CN202023213571U CN214850892U CN 214850892 U CN214850892 U CN 214850892U CN 202023213571 U CN202023213571 U CN 202023213571U CN 214850892 U CN214850892 U CN 214850892U
- Authority
- CN
- China
- Prior art keywords
- tightening ring
- face
- die
- motor
- low
- 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.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to a press die technical field, concretely relates to skew pile die of low noise motor core, including setting up seat template on the punch press, rotating the setting and being in rotatory cover in the seat template, the upper end of rotatory cover is provided with the flange, the hole upper end of rotatory cover is provided with the location tang, fixed mounting has the blanking die that is used for the iron core towards the piece blanking in the location tang, be provided with the tightening ring in the hole of rotatory cover, the blanking die with butt joint is from top to bottom tightened ring, be connected with the passive synchronizing gear on the lower extreme excircle of rotatory cover, still be provided with step motor on the seat template, be connected with the initiative synchronizing gear on step motor's the motor shaft, be connected with synchronous drive belt between passive synchronizing gear, the initiative synchronizing gear. The utility model discloses realize chute motor core's automatic closed assembly.
Description
Technical Field
The utility model relates to a press die technical field, concretely relates to skew of low noise motor core folds die set.
Background
The iron core of stator and rotor of motor is made up by overlapping silicon steel sheets (punching sheets). The silicon steel sheets are usually formed by stamping a progressive die on a stamping machine, and in order to realize the integrated operation of stamping and stacking the silicon steel sheets, the stamping machine is provided with a stamping die (progressive die) and a stacking device of the silicon steel sheets. The main body of the stacking device is a tightening ring, when in punching, the punching force and the accurate punching step distance of a blanking punch on a die are utilized, each silicon steel sheet is punched, punched sheets of the blanking punch enter the tightening ring under the action of the punching force after passing through a blanking female die cavity, the tightening ring and the silicon steel sheets are in interference fit to form larger friction force, and adjacent silicon steel sheets are connected together through a stacking riveting point. In order to prevent the mutual adhesion of the two adjacent groups of iron cores, a measuring sheet without a stacked riveting point is arranged between the two adjacent groups of iron cores.
In the prior art, most of wire slots on a motor iron core are straight slots, and the motor iron core has the defects of higher noise and lower efficiency. In order to improve the performance of the motor, a skewed slot motor core as shown in fig. 3 has been developed. Compared with the motor iron core with the straight slot structure, the motor iron core with the skewed slot structure has the characteristics of more stable torque, low noise, high efficiency, longer service life of the whole motor, better electromagnetic performance and the like, and is lower in later maintenance cost, and particularly suitable for a high-efficiency energy-saving motor with higher requirements on the motor.
In order to realize the automatic production of the motor iron core with the chute structure, an automatic stacking die for the chute motor iron core with high production efficiency needs to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a skew of low noise motor core folds dress mould aims at realizing the automatic closed assembly of chute motor core. The specific technical scheme is as follows:
the utility model provides a low noise motor core skew overlapping die, is in including setting up seat template, the rotation setting on the punch press rotatory cover in the seat template, the upper end of rotatory cover is provided with the flange, the hole upper end of rotatory cover is provided with the location tang, fixed mounting has the blanking die that is used for the iron core towards the piece blanking in the location tang, be provided with the tightening ring in the hole of rotatory cover, the blanking die with butt joint about the tightening ring, be connected with passive synchronizing gear on the lower extreme excircle of rotatory cover, still be provided with step motor on the seat template, be connected with initiative synchronizing gear on step motor's the motor shaft, be connected with synchronous drive belt between passive synchronizing gear, the initiative synchronizing gear.
Preferably, the seat template is provided with a bearing mounting hole, the outer circle of the rotating sleeve is provided with a pair of radial rolling bearings separated by a spacer bush, the pair of radial rolling bearings are positioned in the bearing mounting hole of the seat template, a first plane thrust bearing is arranged between the lower end face of the outer flange of the rotating sleeve and the upper end face of the seat template, and a second plane thrust bearing is arranged between the lower end face of the seat template and the upper end face of the driven synchronous gear.
Preferably, the lower extreme of rotatory cover has set gradually round nut and clamping ring from last to down, the up end of round nut with the lower terminal surface of passive synchronizing gear contacts, the clamping ring passes through the fix with screw the lower terminal surface of rotatory cover will the terminal surface of round nut compresses tightly.
Preferably, an inner spigot is arranged on the upper end face of the pressing ring, and the lower end face of the tightening ring abuts against the end face of the inner spigot of the pressing ring.
The utility model discloses in, passive synchronizing gear with be provided with the drive key between the swivel mount the initiative synchronizing gear with be provided with the drive key between step motor's the motor shaft.
As a further improvement, tighten up and be provided with wear compensation device on the circle, wear compensation device is including setting up the inside toroidal cavity of circle body tightens up, be provided with the roof pressure bolt on the lower terminal surface of circle tightens up, the front end top of roof pressure bolt stretches into in the toroidal cavity, be provided with the extrusion expansion device in the toroidal cavity, the extrusion expansion device is back pressure spring subassembly or liquidity plastics.
Preferably, the jacking bolt comprises a thread section and a cylindrical section as a jacking head, the cylindrical section is in sliding fit with the tightening ring, and the thread section is in threaded connection with the tightening ring.
The utility model discloses in, the ring cavity's of tightening ring the chamber wall with form between the hole pore wall of tightening ring make during roof pressure bolt roof pressure the thin wall of the hole shrink of tightening ring works as through adjusting when the wearing and tearing appear in tightening ring the compensation of wearing and tearing is realized to the roof pressure bolt.
When the extrusion expansion device adopts a back pressure spring assembly formed by overlapping the butterfly spring rings, the butterfly spring rings deform radially under the jacking action of the jacking bolt, so that the inner holes of the butterfly springs generate radial extrusion action on the thin wall of the inner hole of the tightening ring, the inner hole of the tightening ring is further reduced, and the abrasion compensation effect is achieved.
When the extrusion expansion device is made of liquid plastic, the liquid plastic is extruded under the jacking action of the jacking bolt, so that the thin wall of the inner hole of the tightening ring is radially extruded, the inner hole of the tightening ring is reduced, and the abrasion compensation effect is achieved.
In order to facilitate the processing of the annular cavity inside the tightening ring body and the installation of the back pressure spring assembly and the liquid plastic, the tightening ring body adopts a welding structural part. Wherein the back pressure spring assembly may be installed into the annular cavity prior to final seal welding of the annular cavity.
Preferably, the number of the jacking bolts is multiple.
Preferably, an adjusting gasket is arranged between the pressing ring and the second plane thrust bearing.
The utility model has the advantages that:
first, the utility model discloses a low noise motor core skew pile up mould adopts the synchronous belt drive structure to realize the rotation of rotary sleeve and tightening ring, and every punching press pile up a slice towards the piece during the punching press, and step motor drives pile up mould and rotates certain angle to the automatic pile up of chute iron core has been realized.
Second, the utility model discloses a skew pile die of low noise motor core tightens up and circles and be provided with wear compensation device, tightens up the extrusion force of circle hole wearing and tearing back accessible regulation roof pressure bolt to extrusion expansion device for certain shrink appears in the hole of tightening up circle, thereby realizes the wear compensation of tightening up circle hole.
Drawings
Fig. 1 is a schematic structural view of a low-noise motor core skew stacking die of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with an additional wear-compensating device;
fig. 3 is a schematic structural diagram of a skewed slot motor core (outer rotor).
In the figure: 1. the device comprises a seat template, 2, a rotating sleeve, 3, an outer flange, 4, an iron core punching sheet, 5, a blanking female die, 6, a tightening ring, 7, a driven synchronous gear, 8, a stepping motor, 9, a driving synchronous gear, 10, a synchronous transmission belt, 11, a spacer bush, 12, a radial rolling bearing, 13, a first plane thrust bearing, 14, a second plane thrust bearing, 15, a round nut, 16, a pressing ring, 17, a screw, 18, a transmission key, 19, a wear compensation device, 20, a top pressing bolt, 21, an extrusion expansion device, 22, a top head, 23 and a chute.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 3, an embodiment of a low noise motor core skew stacking mold of the present invention includes a seat mold plate 1 disposed on a punch press, a rotary sleeve 2 rotatably disposed on the seat mold plate 1, an outer flange 3 is arranged at the upper end of the rotary sleeve 2, a positioning spigot is arranged at the upper end of an inner hole of the rotary sleeve 2, a blanking female die 5 for blanking the iron core stamped steel 4 is fixedly arranged in the positioning spigot, a tightening ring 6 is arranged in an inner hole of the rotary sleeve 2, the blanking female die 5 is in up-down butt joint with the tightening ring 6, the outer circle of the lower end of the rotary sleeve 2 is connected with a driven synchronous gear 7, the seat template is also provided with a stepping motor 8, a motor shaft of the stepping motor 8 is connected with a driving synchronous gear 9, a synchronous transmission belt 10 is connected between the driven synchronous gear 7 and the driving synchronous gear 9.
Preferably, a bearing mounting hole is formed in the seat template 1, a pair of radial rolling bearings 12 separated by a spacer 11 is arranged on the outer circle of the rotary sleeve 2, the pair of radial rolling bearings 12 are positioned in the bearing mounting hole of the seat template 1, a first plane thrust bearing 13 is arranged between the lower end face of the outer flange 3 of the rotary sleeve 2 and the upper end face of the seat template 1, and a second plane thrust bearing 14 is arranged between the lower end face of the seat template 1 and the upper end face of the driven synchronous gear 9.
Preferably, the lower extreme of rotary sleeve 2 has set gradually round nut 15 and clamping ring 16 from last to down, the up end of round nut 15 with the lower terminal surface of passive synchronizing gear 7 contacts, clamping ring 16 passes through the screw 17 to be fixed the lower terminal surface of rotary sleeve 2 will the terminal surface of round nut 15 compresses tightly.
Preferably, an inner spigot is arranged on the upper end face of the pressing ring 16, and the lower end face of the tightening ring 6 abuts against the end face of the inner spigot of the pressing ring 16.
In this embodiment, a transmission key 18 is disposed between the driven synchronizing gear 7 and the rotating sleeve 2, and a transmission key 18 is disposed between the driving synchronizing gear 9 and a motor shaft of the stepping motor 8.
As a further improvement of this embodiment, a wear compensation device 19 is disposed on the tightening ring 6, the wear compensation device 19 includes an annular cavity disposed inside the tightening ring 6, a jacking bolt 20 is disposed on a lower end surface of the tightening ring 6, a front end of the jacking bolt 20 extends into the annular cavity, an extrusion expansion device 21 is disposed in the annular cavity, and the extrusion expansion device 21 is a back pressure spring assembly or liquid plastic.
Preferably, the jacking bolt 20 comprises a thread section and a cylindrical section as a jacking head 22, the cylindrical section is in sliding fit with the tightening ring 6, and the thread section is in threaded connection with the tightening ring.
In this embodiment, a thin wall which enables the inner hole of the tightening ring 6 to contract when the jacking bolt 20 is jacked is formed between the cavity wall of the annular cavity of the tightening ring 6 and the inner hole wall of the tightening ring 6, and when the tightening ring is worn, wear compensation is realized by adjusting the jacking bolt 20.
When the extrusion expansion device 21 adopts a back pressure spring assembly formed by overlapping butterfly spring rings, the butterfly spring rings deform radially under the jacking action of the jacking bolt 20, so that the inner holes of the butterfly springs generate radial extrusion action on the thin wall of the inner hole of the tightening ring 6, and further the inner hole of the tightening ring 6 is reduced, and the abrasion compensation effect is achieved.
When the extruding and expanding device 21 is made of liquid plastic, the liquid plastic is extruded under the pressing action of the pressing bolt 20, so that the thin wall of the inner hole of the tightening ring 6 is radially extruded, the inner hole of the tightening ring 6 is reduced, and the abrasion compensation effect is achieved.
In order to facilitate the processing of the annular cavity inside the tightening ring body and the installation of the back pressure spring assembly and the liquid plastic, the tightening ring body adopts a welding structural part. Wherein the back pressure spring assembly may be installed into the annular cavity prior to final seal welding of the annular cavity.
Preferably, the number of the knock bolt 20 is plural.
Preferably, a shim is disposed between the pressing ring 16 and the second planar thrust bearing 14.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a low noise motor core skew overlapping die, its characterized in that, is in including setting up seat template on the punch press, rotation setting rotatory cover in the seat template, the upper end of rotatory cover is provided with the outer flange, the hole upper end of rotatory cover is provided with the location tang, fixed mounting has the blanking die that is used for the iron core towards the piece blanking in the location tang, be provided with the tightening ring in the hole of rotatory cover, the blanking die with butt joint about the tightening ring, be connected with passive synchronizing gear on the lower extreme excircle of rotatory cover, still be provided with step motor on the seat template, be connected with initiative synchronizing gear on step motor's the motor shaft, be connected with synchronous drive belt between passive synchronizing gear, the initiative synchronizing gear.
2. The low-noise motor core skew stacking die according to claim 1, wherein a bearing mounting hole is formed in the base die plate, a pair of radial rolling bearings separated by a spacer is arranged on an outer circle of the rotating sleeve, the pair of radial rolling bearings are positioned in the bearing mounting hole of the base die plate, a first plane thrust bearing is arranged between a lower end face of an outer flange of the rotating sleeve and an upper end face of the base die plate, and a second plane thrust bearing is arranged between a lower end face of the base die plate and an upper end face of the driven synchronous gear.
3. The low-noise motor iron core skew stacking die as claimed in claim 2, wherein a round nut and a pressing ring are sequentially arranged at the lower end of the rotary sleeve from top to bottom, the upper end face of the round nut is in contact with the lower end face of the driven synchronous gear, and the pressing ring is fixed on the lower end face of the rotary sleeve through a screw and presses the end face of the round nut tightly.
4. The low-noise motor iron core skew overlapping die as claimed in claim 3, wherein an inner spigot is arranged on the upper end face of the pressing ring, and the lower end face of the tightening ring abuts against the end face of the inner spigot of the pressing ring.
5. The low-noise motor core skew stacking die as claimed in claim 1, wherein a transmission key is arranged between the passive synchronizing gear and the rotating sleeve, and a transmission key is arranged between the active synchronizing gear and a motor shaft of the stepping motor.
6. The skew overlapping die for the low-noise motor iron core according to claim 1, wherein a wear compensation device is arranged on the tightening ring, the wear compensation device comprises an annular cavity arranged inside the tightening ring body, a jacking bolt is arranged on the lower end face of the tightening ring, a front end jacking head of the jacking bolt extends into the annular cavity, an extrusion expansion device is arranged in the annular cavity, and the extrusion expansion device is a back pressure spring assembly or liquid plastic.
7. The low-noise motor iron core skew stacking mold according to claim 6, wherein the jacking bolt comprises a thread section and a cylindrical section as a jacking head, the cylindrical section is in sliding fit with the tightening ring, and the thread section is in threaded connection with the tightening ring.
8. The skew overlapping die for the low-noise motor iron core according to claim 7, wherein a thin wall which enables the inner hole of the tightening ring to shrink when the jacking bolt jacks is formed between the cavity wall of the annular cavity of the tightening ring and the hole wall of the inner hole of the tightening ring, and when the tightening ring is worn, wear compensation is achieved by adjusting the jacking bolt.
9. The low noise motor core skew nesting mold of claim 8, wherein said number of said jacking bolts is plural.
10. The low noise motor core skew pack mold of claim 3, wherein an adjustment shim is disposed between said clamping ring and said second planar thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023213571.3U CN214850892U (en) | 2020-12-28 | 2020-12-28 | Low-noise motor iron core skew closed assembly mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023213571.3U CN214850892U (en) | 2020-12-28 | 2020-12-28 | Low-noise motor iron core skew closed assembly mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214850892U true CN214850892U (en) | 2021-11-23 |
Family
ID=78869610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023213571.3U Active CN214850892U (en) | 2020-12-28 | 2020-12-28 | Low-noise motor iron core skew closed assembly mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214850892U (en) |
-
2020
- 2020-12-28 CN CN202023213571.3U patent/CN214850892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106464045A (en) | Rotor shaft with a laminated core | |
| CN100497979C (en) | A bearing assembly | |
| CN112719100B (en) | Rotary iron core lamination press-fitting die and press-fitting method | |
| CN214850892U (en) | Low-noise motor iron core skew closed assembly mould | |
| KR100876157B1 (en) | Rotation die assembly and apparatus for manufacturing core lamination adopting the same | |
| KR100349706B1 (en) | Manufacturing method of hub plate and press roler manufactured by the same | |
| CN214977134U (en) | Rotary iron core lamination press-fitting die | |
| CN215772688U (en) | Stator core pressing mechanism | |
| CN201455077U (en) | Crankshaft structure for punch | |
| CN114810991A (en) | High-efficient novel spinning take-up pulley | |
| CN220896451U (en) | DD motor | |
| CN215392037U (en) | Adjustable roller type ring die for thin-wall gear hub roll forming | |
| CN102873180B (en) | A kind of pin-connected panel rotates blanking die | |
| CN211778845U (en) | Motor belt pulley for elevator door motor | |
| CN219027402U (en) | Pressing mechanism for auxiliary flywheel and deep groove ball bearing | |
| CN216490144U (en) | Cast aluminum rotor oblique pole tool ejection mechanism of new energy automobile | |
| CN220638991U (en) | Cantilever structure of C-shaped oil press | |
| CN213279301U (en) | Motor rotor structure | |
| CN217463665U (en) | Water return steel pipe assembly of air compressor | |
| CN218678624U (en) | Structure for compensating axial thermal deformation of end cover of large direct-drive motor | |
| CN220754601U (en) | Motor rotor core production equipment | |
| CN113464571B (en) | Clamping type pressure plate bearing unit | |
| CN219960357U (en) | Motor rotor winding tool | |
| CN112350509B (en) | Load limiting device for loop chain electric hoist for preventing dislocation of stator and rotor of lifting motor | |
| CN221170450U (en) | Auxiliary tool for assembling E-type self-aligning roller bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |