CN104734430A - False shaft tool for fast detaching cast-aluminum rotor - Google Patents
False shaft tool for fast detaching cast-aluminum rotor Download PDFInfo
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- CN104734430A CN104734430A CN201310720997.3A CN201310720997A CN104734430A CN 104734430 A CN104734430 A CN 104734430A CN 201310720997 A CN201310720997 A CN 201310720997A CN 104734430 A CN104734430 A CN 104734430A
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- dummy shaft
- segmented
- false shaft
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- shaft
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Abstract
The invention relates to a false shaft tool for fast detaching a cast-aluminum rotor. A segmented false shaft is a hollow segmented false shaft, the segmented false shaft is equally divided into two segments, the lower ends of the two equally-divided segments are connected together, a spigot is arranged at the connection end of the segmented false shaft, a step table is arranged at the gap between the two segments, and an insert corresponding to the step table in shape is embedded in the gap; six fixed thickening ribs are arranged on the outer surface of the segmented false shaft, a first positioning straight key installing groove and a second positioning straight key installing groove are formed in two of the thickening ribs respectively, and a positioning straight key is fixedly installed on the segmented false shaft; a heightening gasket is arranged on the spigot position on the lower portion of the outer circle of the segmented false shaft in a sleeving mode and provided with a receding hole which corresponds to the positioning straight key, and a flow divider is installed at the upper end of the segmented false shaft through a connecting bolt. Due to the adoption of the two-segment-type single face design, high temperature of the segmented false shaft can be fast reduced after centrifugal casting of the rotor, natural cooling time is saved or resource waste caused by water cooling is avoided, the utilization rate of the segmented false shaft is increased, and production cost of an enterprise is reduced.
Description
Technical field
The invention belongs to motor manufacturing moulds of industrial equipment field, relate to a kind of dummy shaft frock of cast-aluminum rotor quick-detachment, be particularly suited for the centrifugal processing of the cast-aluminum rotor of high-voltage motor product under the condition of high temperature.
Background technology
Motor refers to a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit, and the rotating part in motor is called rotor, is made up of parts such as rotor core, rotor windings, rotating shaft and fans.Rotor windings is not formed by insulated conductor coiling, but the threephase asynchronous that aluminum strip or copper bar and short-circuited conducting sleeve are welded is called squirrel-cage motor.Middle-size and small-size squirrel-cage asynchronous motor adopts cast aluminium mode to manufacture, and by cast solids such as rotor conductor, short-circuited conducting sleeve and fans, is called cast-in aluminum squirrel cage formula rotor.Compare with copper bar rotor, have processing technology simple, save man-hour, labor productivity is high; The design of slot shape of rotor, not by the restriction of copper bar shape, can be selected arbitrarily; The advantages such as the work performance of motor can be improved.Because middle size motor batch is little, specification is many, rotor diameter is large.Therefore, cast aluminium processing can not adopt extrusion process as micro-machine, can only adopt centrifuging process.First punching will be inserted in dummy shaft by centrifugal aluminum casting for rotor, heating and thermal insulation after precompressed consolidation, then carries out centrifugal aluminum casting processing.Heating-up temperature will remain on 500 ~ 600 DEG C, dummy shaft after processing due to temperature still too high, can not be taken off by rotor shaft hatch locking, with water accelerating cooling or nature cooling must be waited until, dummy shaft could be taken out, have impact on the service efficiency of dummy shaft like this, and owing to using water cooling, cause the waste of resource.
Summary of the invention
Problem to be solved by this invention is, overcome the deficiencies in the prior art, a kind of dummy shaft frock of cast-aluminum rotor quick-detachment is provided, two flap-type one sides are adopted to connect design at high operating temperatures, can under the prerequisite ensureing distinguish dummy shaft precision, after realizing rotor spun casting, the high temperature of distinguish dummy shaft takes off fast, eliminate time or the wasting of resources that causes of water-cooled of nature cooling, improve the utilance of dummy shaft, decrease the destruction to environment, reduce enterprise's production cost.
The present invention solves its technical problem and takes following technical scheme to realize:
According to the dummy shaft frock of a kind of cast-aluminum rotor quick-detachment provided by the invention, comprise shunt and distinguish dummy shaft, described distinguish dummy shaft is the distinguish dummy shaft of a hollow, distinguish dummy shaft is divided equally is two lobes and lower end links together, at the link of distinguish dummy shaft, seam is set, gap location between two lobes is provided with ladder platform, and has the insert corresponding with rank landing shape to embed; The outer surface of distinguish dummy shaft is that the six roots of sensation fixes overstriking muscle, and two overstriking muscle wherein have positioning straight key mounting groove one, positioning straight key mounting groove two, positioning straight key is packed on distinguish dummy shaft; Elevating pad snare is contained in the seam position of bottom, distinguish dummy shaft outer ring, increases on packing ring and has resigning hole, and resigning hole is corresponding with positioning straight key, and shunt is arranged on the upper end of distinguish dummy shaft by connecting bolt.
It is take following technical scheme to realize further that the present invention solves its technical problem:
Aforesaid shunt is conical surface shunt.
The present invention compared with prior art has significant advantage and beneficial effect:
Because the present invention adopts two flap-type structures, cut open from centre by distinguish dummy shaft, but incomplete
Portion cuts open, leaves a part and connects, guarantee that two lobes of distinguish dummy shaft still link together.Because distinguish dummy shaft outer ring is not all contact axis hole, just contacted by six roots of sensation muscle, reduce contact area, be more conducive to the taking-up of distinguish dummy shaft under heat expansion state.The present invention can save the step of distinguish dummy shaft cooling more fast after cast-aluminum rotor processing, is directly taken out from rotor core by distinguish dummy shaft.Meanwhile, distinguish dummy shaft of the present invention according to actual production iron core height, can be increased the superposition height of packing ring, makes shunt bottom surface and iron core superficial compaction, reach the object that an axle is multiplex, save frock cost by adjustment.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is Standard schematic diagram of the present invention;
Fig. 2 is the main TV structure schematic diagram of distinguish dummy shaft of the present invention;
Fig. 3 is distinguish dummy shaft plan structure schematic diagram of the present invention;
Fig. 4 is the distinguish dummy shaft partial structurtes enlarged diagram of Fig. 3 of the present invention;
Fig. 5 is insert scheme of installation of the present invention;
Fig. 6 is elevating pad coil structures schematic diagram of the present invention.
Wherein: 1, distinguish dummy shaft 2, insert 3, shunt 4, increase packing ring 5, positioning straight key 6, connecting bolt, 7, resigning hole, 8, overstriking muscle, 9, seam, 10, positioning straight key mounting groove one, 10', positioning straight key mounting groove two, 11, ladder platform.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to embodiment provided by the invention, structure, feature and effect thereof, be described in detail as follows.
The dummy shaft frock of a kind of cast-aluminum rotor quick-detachment as shown in figures 1-4, comprise shunt and distinguish dummy shaft, described distinguish dummy shaft 1 is the distinguish dummy shaft of a hollow, distinguish dummy shaft is divided equally is two lobes and lower end links together, at the link of distinguish dummy shaft, seam 9 is set, gap location between two lobes is provided with ladder platform 11, and has the insert 2 corresponding with rank landing shape to embed; The outer surface of distinguish dummy shaft is that the six roots of sensation fixes overstriking muscle 8, and two overstriking muscle wherein have positioning straight key mounting groove 1, positioning straight key mounting groove two 10', positioning straight key 5 is packed on distinguish dummy shaft; Increase seam 9 position that packing ring 4 is sleeved on bottom, distinguish dummy shaft outer ring, and prevent from coming off by bottom seam 9 constrained, increase on packing ring and have resigning hole 7, resigning hole is corresponding with positioning straight key, shunt 3 is conical surface shunt, and shunt is arranged on the upper end of distinguish dummy shaft by connecting bolt 6.
The quantity increasing packing ring be 1 increase packing ring or more than 1 multiplely increase packing ring, the superposition quantity increasing packing ring is relevant with the height of actual production cast aluminium iron core, by calculating the difference in height of distinguish dummy shaft and cast aluminium iron core, what use right quantity increases packing ring, to reach the object of precompressed consolidation, thus realize a dummy shaft and manufacture multiple height iron core, improve dummy shaft utilance.
Embodiments of the present invention:
1, according to the casting aluminum rotor iron core drawing that will manufacture, the quantity increasing packing ring is adjusted.
2, adjust the resigning hole increased on packing ring corresponding with positioning straight key, then according to drawing requirement, rotor punching and accessory thereof are inserted in distinguish dummy shaft, and are stacked to specified altitude.
3, shunt be placed in iron core upper end and carry out precompressed, after authorized pressure to be achieved, locking connecting bolt 6.
4, allow bit platform due to centrifuge platform being designed with, the part that distinguish dummy shaft bottom can be exceeded punching allows into counterdie, thus reaches the effect that a distinguish dummy shaft is suitable for multiple height iron core.
Claims (2)
1. the dummy shaft frock of a cast-aluminum rotor quick-detachment, comprise shunt and distinguish dummy shaft, it is characterized in that: described distinguish dummy shaft is the distinguish dummy shaft of a hollow, distinguish dummy shaft is divided equally is two lobes and lower end links together, at the link of distinguish dummy shaft, seam is set, gap location between two lobes is provided with ladder platform, and has the insert corresponding with rank landing shape to embed; The outer surface of distinguish dummy shaft is that the six roots of sensation fixes overstriking muscle, and two overstriking muscle wherein have positioning straight key mounting groove one, positioning straight key mounting groove two, positioning straight key is packed on distinguish dummy shaft; Elevating pad snare is contained in the seam position of bottom, distinguish dummy shaft outer ring, increases on packing ring and has resigning hole, and resigning hole is corresponding with positioning straight key, and shunt is arranged on the upper end of distinguish dummy shaft by connecting bolt.
2. the dummy shaft frock of cast-aluminum rotor quick-detachment according to claim 1, is characterized in that: described shunt is conical surface shunt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720997.3A CN104734430A (en) | 2013-12-24 | 2013-12-24 | False shaft tool for fast detaching cast-aluminum rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720997.3A CN104734430A (en) | 2013-12-24 | 2013-12-24 | False shaft tool for fast detaching cast-aluminum rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104734430A true CN104734430A (en) | 2015-06-24 |
Family
ID=53457989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310720997.3A Pending CN104734430A (en) | 2013-12-24 | 2013-12-24 | False shaft tool for fast detaching cast-aluminum rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104734430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
-
2013
- 2013-12-24 CN CN201310720997.3A patent/CN104734430A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
| CN113794296B (en) * | 2021-09-10 | 2023-08-11 | 中船重工电机科技股份有限公司 | Method for mounting split type shaft generator rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |