CN219268679U - Rotor punching lamination tool - Google Patents
Rotor punching lamination tool Download PDFInfo
- Publication number
- CN219268679U CN219268679U CN202223118918.5U CN202223118918U CN219268679U CN 219268679 U CN219268679 U CN 219268679U CN 202223118918 U CN202223118918 U CN 202223118918U CN 219268679 U CN219268679 U CN 219268679U
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- rotor punching
- rotor
- positioning
- holes
- locking member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The rotor punching sheet laminating tool comprises an upper pressing plate, a lower pressing plate and a shaft core, wherein the shaft core is vertically connected with the lower pressing plate for sleeving a plurality of rotor punching sheets, and the rotor punching sheet laminating tool further comprises a positioning plate and a first locking member group; the positioning plate passes through a plurality of rotor punching sheets to realize positioning; the lower pressing plate is provided with a plurality of first locking holes, and the first locking member group passes through the first locking holes and the plurality of rotor punching sheets to detachably lock the plurality of compressed rotor punching sheets; the upper pressing plate is sleeved on the shaft core and is positioned above the rotor punching sheets to press the rotor punching sheets. The utility model can improve the lamination precision, avoid the incapability of embedding magnetic steel, ensure the rotary dynamic balance of the laminated rotor punching to be in a better state and reduce the scrapping reworking condition.
Description
Technical Field
The utility model relates to the field of rotor core assembly, in particular to a rotor punching lamination tool.
Background
The rotor core is laminated by a plurality of rotor punching sheets, the rotor punching sheets are provided with a central shaft hole, holes and grooves which are arranged around the periphery of the shaft hole, and the plurality of rotor punching sheets are aligned to ensure the uniformity of a magnetic circuit on the rotor core. At present, if the bulk rotor silicon steel sheet is directly pressed onto a rotor shaft, the problems that the magnetic steel sheet is not embedded well or even cannot be embedded, the rotor rotation dynamic balance is poor and the like are caused. Therefore, the lamination tool is generally designed, and bulk silicon steel sheets are integrally pressed into the rotor shaft after all lamination is completed, so that the problem that magnetic steel cannot be embedded can be effectively avoided, and the rotor rotation dynamic balance is guaranteed to be in a better state.
The existing lamination tool has certain defects, relies on manual work to align and stack rotor punching sheets, is troublesome to operate, cannot guarantee the assembly precision of the rotor punching sheets, is low in efficiency, and is unfavorable for improving the quality of rotor core products.
Disclosure of Invention
The utility model mainly aims to overcome the defect that the existing lamination tool needs manual alignment and lamination, and provides a rotor punching lamination tool which can ensure the lamination precision of rotor punching.
The utility model adopts the following technical scheme:
the utility model provides a rotor punching lamination frock, includes top board, holding down plate and axle core, axle core perpendicular to holding down plate is in order to supply to embolia a plurality of rotor punching, its characterized in that: the positioning plate and the first locking member group are also included; the positioning plate passes through a plurality of rotor punching sheets to realize positioning; the lower pressing plate is provided with a plurality of first locking holes, and the first locking member group passes through the first locking holes and the plurality of rotor punching sheets to detachably lock the plurality of compressed rotor punching sheets; the upper pressing plate is sleeved on the shaft core and is positioned above the rotor punching sheets to press the rotor punching sheets.
Preferably, the rotor punching sheet is provided with a shaft hole and at least one positioning hole, and at least one positioning hole is circumferentially distributed around the shaft hole; the positioning plate penetrates through the positioning hole and is parallel to the shaft core; the upper pressing plate is provided with at least one first abdication hole for the positioning plate to pass through.
Preferably, the number of the positioning holes is greater than or equal to the number of the positioning plates.
Preferably, the number of the positioning holes is even and the positioning holes are symmetrically arranged in pairs; the positioning plate comprises two positioning plates which are respectively penetrated through the two symmetrical positioning holes.
Preferably, the positioning holes are positioned at the position of the rotor punching sheet close to the edge, and two adjacent positioning holes form a V shape.
Preferably, the shaft core is provided with a key bar extending along the axial direction, and the shaft hole is correspondingly provided with a groove to be matched with the key bar.
Preferably, the rotor punching sheet is provided with a plurality of second locking holes distributed circumferentially, and the first locking member group passes through the corresponding second locking holes; the rotor punching sheet is characterized by further comprising a second locking member group, wherein the second locking member group penetrates through the corresponding second locking hole to detachably lock the compacted rotor punching sheet.
Preferably, the first locking member group comprises a plurality of screws and a plurality of nuts, the screws penetrate through the rotor punching sheet, and the nuts are in threaded fit with the screws.
Preferably, the second locking member group comprises a plurality of screws and a plurality of nuts, wherein the screws penetrate through the rotor punching sheet, and the nuts are in threaded fit with the screws.
Preferably, the upper pressing plate is provided with a plurality of second abdication holes for the first locking member group to pass through.
Preferably, the top surface of the upper pressing plate is also provided with a pressing ring, and the pressing ring is sleeved on the periphery of the shaft core.
As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following advantages:
1. the tooling comprises an upper pressing plate, a lower pressing plate, a shaft core, a positioning plate and a first locking member group, wherein the positioning plate penetrates through a plurality of rotor punching sheets to realize positioning, the plurality of rotor punching sheets are pressed by the upper pressing plate, and the plurality of rotor punching sheets after being pressed are detachably locked by the first locking member group.
2. According to the tooling disclosed by the utility model, the rotor punching sheet is provided with at least one positioning hole, a plurality of positioning holes are distributed around the circumference of the shaft hole, the positioning plates penetrate through the positioning holes and are parallel to the shaft core, the upper pressing plate is provided with the first abdicating holes for the positioning plates to penetrate through, wherein the number of the positioning holes is even and the positioning holes are symmetrically arranged in pairs, and the two positioning plates respectively penetrate through the two symmetrical positioning holes to ensure that the positioning is balanced and reliable.
3. According to the tooling disclosed by the utility model, the first locking component is used for locking the plurality of rotor punching sheets before compression, and the rotor punching sheets are locked by matching with the second locking piece group after compression, so that the subsequent operation difficulty is reduced.
4. According to the tooling disclosed by the utility model, the top surface of the upper pressing plate is further provided with the upward-protruding pressing ring, so that the hydraulic press acts on the pressing ring, and the first locking member group and the positioning plate penetrating through the upper pressing plate are avoided.
Drawings
FIG. 1 is a view showing the main components of the present utility model;
fig. 2 is a diagram showing the cooperation of the shaft core and the lower pressing plate.
FIG. 3 is a schematic view of a positioning plate penetrating a rotor sheet;
FIG. 4 is a schematic view of a first retaining member retaining a rotor blank;
FIG. 5 is a schematic view of the upper platen pressing down;
FIG. 6 is a schematic view with upper and lower platens removed;
FIG. 7 is a schematic view of a rotor sheet after lamination;
wherein:
10. rotor punching sheet, 11, shaft hole, 12, locating hole, 13, second locking hole, 14, groove, 20, upper pressing plate, 21, first hole of stepping down, 22, second hole of stepping down, 23, clamping ring, 30, lower pressing plate, 31, first locking hole, 40, shaft core, 41, keybar, 50, locating plate, 60a, first locking piece group, 60b, second locking piece group, 61, screw, 62, nut, 63, gasket.
Detailed Description
The utility model is further described below by means of specific embodiments.
The terms "first," "second," and the like in the present utility model are merely for convenience of description to distinguish between different constituent components having the same name, and do not denote a sequential or primary or secondary relationship.
In the description of the present utility model, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front" and "rear", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.
Referring to fig. 1, a rotor punching lamination tooling comprises an upper pressing plate 20, a lower pressing plate 30, a shaft core 40, a positioning plate 50, a first locking member group 60a and the like. The shaft core 40 is vertically connected to the lower pressing plate 30, the shaft core 40 can be used for sleeving a plurality of rotor punching sheets 10, namely, each rotor punching sheet 10 is provided with a shaft hole 11, and the plurality of rotor punching sheets 10 can be sleeved on the shaft core 40 in sequence through the shaft holes 11. The shaft core 40 may be located at the center of the lower platen 30, and the shaft core 40 and the lower platen 30 may be relatively fixed. The shaft core 40 is further provided with a key bar 41 extending along an axial direction, the shaft hole 11 is correspondingly provided with a groove 14 to be matched with the key bar 41, and circumferential fixation between the rotor punching sheet 10 and the shaft core 40 is achieved through concave-convex matching between the key bar 41 and the groove 14.
The positioning plate 50 is used to pass through several rotor sheets 10 to effect positioning of the rotor sheets 10. Wherein, each rotor punching sheet 10 is provided with at least one positioning hole 12, at least one positioning hole 12 can be circumferentially distributed around the shaft hole 11, and the positioning plate 50 passes through the positioning hole 12 to keep the relative fixation between the rotor punching sheets 10. Wherein, the positioning plates 50 may be parallel to the shaft core 40, and the positioning plates 50 are also parallel.
Further, the number of the positioning holes 12 is greater than or equal to the number of the positioning plates 50. In practical applications, the positioning holes 12 are optimally arranged in an even number and in a two-to-two symmetrical arrangement, and the even number can be two, four, six, eight or more, and the symmetrical arrangement refers to symmetrical arrangement relative to the shaft core 40. The number of the positioning plates 50 can be even, and the number of the positioning plates comprises two, four and the like, and two positioning plates 50 are respectively arranged in two symmetrical positioning holes 12 in a penetrating way, so that the positioning among a plurality of rotor punching sheets 10 is more balanced and reliable by adopting the symmetrical distribution.
Further, in the present utility model, the positioning holes 12 of the rotor sheet 10 are located near the edge of the rotor sheet 10, and the adjacent positioning holes 12 may form a V shape. The positioning plate 50 is shaped to fit the positioning hole 12 and may be a square hole. In the present utility model, a suitable hole on the rotor sheet 10 is selected as the positioning hole 12, and thus, the hole on the rotor sheet 10 depends on the electromagnetic design, and thus, the positioning hole 12 may also be perpendicular to the radial direction of the rotor sheet 10 or extend in the radial direction.
The lower platen 30 is further provided with a plurality of first locking holes 31, respectively, and the first locking member group 60a passes through the first locking holes 31 of the lower platen 30 and the plurality of rotor sheets 10 to detachably lock the plurality of compressed rotor sheets 10. The rotor punching sheet 10 is also provided with a plurality of second locking holes 13 distributed circumferentially, and the first locking holes 31 on the lower pressing plate 30 can be correspondingly connected with the second locking holes 13 on the rotor punching sheet 10 one by one. The first locking member set 60a may include a plurality of screws 61 and a plurality of nuts 62, the screws 61 may pass through the second locking holes 13 on the rotor sheet 10 and the first locking holes 31 on the lower platen 30, the nuts 62 may be sleeved on two ends of the screws 61 and in threaded engagement with the screws, and the removable and fixed connection between the rotor sheet 10 and the lower platen 30 may be achieved by rotating the nuts 62, and the first locking member set 60a may be used to lock the plurality of rotor sheets 10 and the lower platen 30 before compaction, and to lock the plurality of rotor sheets 10 after compaction.
The upper pressing plate 20 is sleeved on the shaft core 40 and is positioned above the rotor punching sheets 10 to press the rotor punching sheets 10, and a hole for yielding the shaft core 40 is formed in the upper pressing plate 20. The upper pressing plate 20 is further provided with a plurality of first abdicating holes 21 and a plurality of second abdicating holes 22, the first abdicating holes 21 are used for allowing the positioning plate 50 to pass through, and the second abdicating holes 22 are used for allowing the screw 61 and the nut 62 of the first locking member group 60a to pass through, so that the upper pressing plate 20 is not influenced to press the rotor punching sheet 10. Wherein, the shape and the number of the first relief holes 21 can correspond to the shape and the number of the positioning holes 12 on the rotor punching sheet 10, and the number of the second relief holes 22 can correspond to the number of the second locking holes.
In the utility model, the top surface of the upper pressing plate 20 is also provided with the upward protruding pressing ring 23, the pressing ring 23 is hollow and sleeved on the periphery of the shaft core 40, and the pressing ring 23 of the upper pressing plate 20 and the lower pressing plate 30 are pressed by a hydraulic press to ensure that the rotor punching sheet 10 is tightly stacked without gaps. The pressing ring 23 is provided for avoiding the first locking member group 60a and the positioning plate 50 passing through the upper pressing plate 20.
Further, a second locking member set 60b is further included, and the second locking member set 60b passes through the corresponding second locking hole 13 of the rotor sheet 10 to detachably lock the compressed rotor sheet 10, and the second locking member set 60b is not shown in fig. 1. Specifically, the second locking member set 60b includes a plurality of screws 61 and a plurality of nuts 62, the screws 61 pass through the second locking holes 13 of the rotor punching sheet 10, the nuts 62 are in threaded engagement with the screws 61, and the plurality of rotor punching sheets 10 are locked and fixed by rotating the nuts 62. In the present utility model, the number of the second locking holes 13 may be equal to or greater than the number of the screw rods 61, the number of the first locking member set 60a and the second locking member set 60b may be the same or different, and may be set according to the needs, the first locking member set 60a and the second locking member set 60b may further be provided with a spacer 63, and the spacer 63 is located between the nut 62 and the rotor punching sheet 10.
The working principle of the tool of the utility model is as follows:
referring to fig. 2 and 3, the shaft core 40 is mounted on the upper platen 20, several rotor punching sheets 10 are sleeved along the shaft core 40, stacked on the upper platen 20 and aligned with each positioning hole 12, each second locking hole 13 is aligned, and two positioning plates 50 are inserted into two symmetrical positioning holes 12.
Referring to fig. 4, the rotor punching sheets 10 are further sleeved in, stacked to a sufficient height, and then the screws 61 of the first locking member group 60a are respectively passed through the second locking holes 13 and the first locking holes 31 of the lower pressing plate 30, and nuts 62 at two ends of the screws 61 are screwed, so that the rotor punching sheets 10 and the lower pressing plate 30 are relatively fixed.
Referring to fig. 5, the upper press plate 20 is put into the top surface of the rotor sheet 10 from top to bottom, the upper press plate 20 and the lower press plate 30 are pressed against each other by a hydraulic press, so that the rotor sheet 10 is stacked and compacted without a gap, and then the nuts 62 of the first locking member group 60a are screwed again.
Referring to fig. 6, the nuts 62 of the first locker set 60a are unscrewed, the lower press plate 30, the shaft core 40, and the upper press plate 20 are removed, and then the nuts 62 are again locked, and the screws 61 of the second locker set 60b are passed through the remaining second locking holes 13 of the rotor sheets 10, and the nuts 62 are tightened, thereby obtaining a finished rotor core, referring to fig. 7, wherein the first locker set 60a and the second locker set 60b may be alternately distributed along the circumference.
The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a rotor punching lamination frock, includes top board, holding down plate and axle core, axle core perpendicular to holding down plate is in order to supply to embolia a plurality of rotor punching, its characterized in that: the positioning plate and the first locking member group are also included; the positioning plate passes through a plurality of rotor punching sheets to realize positioning; the lower pressing plate is provided with a plurality of first locking holes, and the first locking member group passes through the first locking holes and the plurality of rotor punching sheets to detachably lock the plurality of compressed rotor punching sheets; the upper pressing plate is sleeved on the shaft core and is positioned above the rotor punching sheets to press the rotor punching sheets.
2. The rotor lamination tooling of claim 1, wherein: the rotor punching sheet is provided with a shaft hole and at least one positioning hole, and at least one positioning hole is circumferentially distributed around the shaft hole; the positioning plate penetrates through the positioning hole and is parallel to the shaft core.
3. The rotor lamination tooling of claim 2, wherein: the positioning holes are even in number and are symmetrically arranged in pairs; the positioning plate comprises two positioning plates which are respectively penetrated through the two symmetrical positioning holes.
4. The rotor lamination tooling of claim 2, wherein: the positioning holes are positioned at the position, close to the edge, of the rotor punching sheet.
5. The rotor lamination tooling of claim 2, wherein: the shaft core is provided with a key bar extending along the axial direction, and the shaft hole is correspondingly provided with a groove to be matched with the key bar.
6. The rotor lamination tooling of claim 1, wherein: the rotor punching sheet is provided with a plurality of circumferentially distributed second locking holes, and the first locking member group passes through the corresponding second locking holes; the rotor punching sheet is characterized by further comprising a second locking member group, wherein the second locking member group penetrates through the corresponding second locking hole to detachably lock the compacted rotor punching sheet.
7. The rotor lamination tooling of claim 1, wherein: the first locking member group comprises a plurality of screws and a plurality of nuts, the screws penetrate through the rotor punching sheet, and the nuts are in threaded fit with the screws.
8. The rotor lamination tooling of claim 6, wherein: the second locking member group comprises a plurality of screws and a plurality of nuts, the screws penetrate through the rotor punching sheet, and the nuts are in threaded fit with the screws.
9. The rotor lamination tooling of claim 1, wherein: the upper pressing plate is provided with a plurality of first abdication holes for the positioning plate to pass through, and a plurality of second abdication holes for the first locking member group to pass through.
10. The rotor lamination tooling of claim 1, wherein: the top surface of the upper pressing plate is also provided with a pressing ring, and the pressing ring is sleeved on the periphery of the shaft core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223118918.5U CN219268679U (en) | 2022-11-23 | 2022-11-23 | Rotor punching lamination tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223118918.5U CN219268679U (en) | 2022-11-23 | 2022-11-23 | Rotor punching lamination tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219268679U true CN219268679U (en) | 2023-06-27 |
Family
ID=86856780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223118918.5U Active CN219268679U (en) | 2022-11-23 | 2022-11-23 | Rotor punching lamination tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219268679U (en) |
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2022
- 2022-11-23 CN CN202223118918.5U patent/CN219268679U/en active Active
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