TWM546629U - Segmented rotor structure and segmented rotor - Google Patents

Description

Segmented rotor structure and segmented rotor

The present invention relates to a segmented rotor structure and a segmented rotor, and more particularly to a segmented rotor structure and segmented type that utilizes the extension structure and riveting point of the end steel sheet to prevent deformation of the iron collar during die casting. Rotor.

Generally, in the existing induction motor, a plurality of silicon steel sheets are usually stacked and riveted to each other to form a rotor body, and then the aluminum alloy is poured into the perfusion channel of the rotor body by a die casting process to form a cast aluminum rod. The use of cast aluminum rods to achieve electromagnetic induction.

In the production of common induction motors, cast aluminum rods can be easily formed through a die-casting process. However, when a relatively large induction motor is to be manufactured, the rotor body is usually divided into a plurality of rotor groups and adjacent to each other. An inner spacer is arranged between the rotor groups, so that the inner spacer can communicate with the perfusion passage of each rotor group, so that during the die casting process, the aluminum slurry can fill the perfusion channel to form a cast aluminum rod connecting each rotor group.

As mentioned above, since the existing inner spacer is usually made of aluminum The alloy is composed of aluminum alloy. Therefore, when the aluminum paste is poured into the perfusion channel of the rotor group, the inner spacer tends to be deformed due to strong pressure and high temperature, and the aluminum paste is leaked out, so that the cast aluminum cannot be smoothly manufactured. A large rotor with a rod. Especially when a plurality of rotor groups are stacked on each other, the weight of the lower inner spacer is relatively increased, resulting in deformation more easily at high temperatures.

In view of the prior art, in order to manufacture a larger induction motor rotor, the rotor body is generally divided into a plurality of rotor groups, and an inner spacer is disposed between each rotor group to communicate the perfusion channels of the rotor groups of each segment. However, since the high-temperature aluminum slurry is poured into the perfusion channel at a high pressure during the die-casting process, the inner septum for connecting the perfusion channels of the rotor groups is easily deformed because it cannot withstand high pressure and high temperature, thereby Therefore, the main purpose of the creation is to provide a segmented rotor structure and a segmented rotor, which can effectively avoid the interconnection of two adjacent rotor groups. The sheet is deformed when subjected to high pressure and high temperature.

Based on the above objectives, the necessary technical means adopted by the present invention provides a segmented rotor structure comprising a first segment rotor set, a plurality of iron collars and a second segment rotor set.

The first rotor group includes a first rotor body and a first end silicon steel sheet. The first rotor system consists of a plurality of first silicon steel sheets along the a rotor is axially stacked on each other, each of the first silicon steel sheets is provided with a plurality of first filling holes, and the first filling holes of any two adjacent stackers of the first silicon steel sheets are along the The rotors are axially connected to each other to form a plurality of first perfusion channels. The first end silicon steel sheet is disposed at one end of the first rotor body, and has a plurality of first end infusion holes, a plurality of first extension structures and a plurality of first riveting points, wherein the first end perfusion holes are respectively connected to The first priming structures are integrally formed from the first end filling holes integrally protruding along the axial direction of the rotor, and the first rivet points are respectively along the axial direction of the rotor The protrusions are protruded and are circumferentially arranged around the first extension structures.

A plurality of iron collars are respectively sleeved on the first extension structures, and are respectively positioned by the first rivet points to be positioned on the first end silicon steel sheets.

The second rotor assembly is stacked on the iron collars and has a plurality of second irrigation passages, and the second irrigation passages are respectively correspondingly communicated with the first irrigation passages via the iron collars.

Preferably, the second rotor group comprises a second rotor body and a second end silicon steel sheet, and the second rotor system is formed by stacking a plurality of second silicon steel sheets along the axial direction of the rotor. The second silicon steel sheet is provided with a plurality of second filling holes, and the second filling holes of any two adjacent stackers of the second silicon steel sheets are connected to each other along the axial direction of the rotor to form the second filling channels. . The second end steel sheet is disposed at one end of the second rotor body facing the first rotor group, and has a plurality of second end filling holes, a plurality of second extension structures and a plurality of second riveting points, The second end filling holes are respectively connected to the second filling channels, and the second extending structures are formed integrally from the second end filling holes integrally protruding along the axial direction of the rotor, and the The second rivet points respectively protrude in the opposite direction of the axial direction of the rotor, and are circumferentially arranged around the second extension structures at intervals

The first riveting points are spaced apart from each other on both sides of the first extension structures. In addition, the first infusion holes of at least one of the first silicon steel sheets have a gas leakage gap.

The present invention further provides a segmented rotor comprising the segmented rotor structure described above and a plurality of cast aluminum rods. The cast aluminum rods are respectively disposed through the first perfusion channels, the iron collars and the second perfusion channels that are in communication with each other.

As described above, the present invention provides an extension structure and a rivet point provided around the extension structure on the end steel piece of the first rotor group, so that the iron collar can be stably set on the extension through the yoke point. The structure, and in the die-casting process of the segmented rotor structure, the support of the riveting point is used to prevent the outer expansion and deformation of the iron collar, thereby preventing the deformation of the iron collar and the leakage of the aluminum paste.

The specific embodiments used in the present application will be further illustrated by the following examples and drawings.

100‧‧‧Segmented rotor structure

1‧‧‧First rotor group

11‧‧‧First rotor body

111, 112‧‧‧ first steel sheet

1111, 1121‧‧‧ first filling hole

12‧‧‧First end steel sheet

121‧‧‧First end perfusion hole

1211‧‧‧Dissipation gap

122‧‧‧First extension structure

123‧‧‧The first riveting point

2‧‧‧ Iron collar

3‧‧‧Second rotor group

31‧‧‧Second rotor body

311, 312‧‧‧Second steel sheet

3111, 3121‧‧‧ second filling hole

32‧‧‧Second end silicon steel sheet

321‧‧‧Second end perfusion hole

322‧‧‧Second extension structure

323‧‧‧Second riveting point

4‧‧‧ cast aluminum rod

200‧‧‧section rotor

x‧‧‧Rotor axial

PC1‧‧‧ first perfusion channel

PC2‧‧‧Second perfusion channel

The first figure shows the segmented rotor structure provided by the preferred embodiment of the present invention. A schematic view of the first rotor group; the second diagram is an enlarged schematic view of the first coil A; and the third diagram shows the first rotor assembly of the segmented rotor structure provided by the preferred embodiment of the present invention. A perspective view of a plurality of iron collars is provided; the fourth diagram shows a schematic view of the relationship between the extension structure and the relationship between the rivet points and the iron collar; and the fifth diagram shows the segmented rotor provided by the preferred embodiment of the present invention. A schematic exploded view of the structure; the sixth figure shows a perspective view of the segmented rotor structure provided by the preferred embodiment of the present invention; and the seventh figure shows the transmission of the iron sleeve between the second rotor group and the first rotor group A schematic cross-sectional view of the ring communication; the eighth figure shows a three-dimensional schematic view of the segmented rotor provided by the preferred embodiment of the present invention; and the ninth figure shows that the cast aluminum rod is threaded through the first segment of the rotor set, the iron collar and A schematic cross-sectional view of the second rotor group.

The specific implementation of the present creation will be described in more detail below with reference to the schematic drawings. The advantages and features of the present invention will be more apparent from the following description and claims. It should be noted that the drawings are in a very simplified form and all use non-precise proportions, and are only used to facilitate and clearly explain the purpose of the present embodiment.

Please refer to the first figure and the second figure. The first picture shows this. A perspective view of the first rotor assembly of the segmented rotor structure provided by the preferred embodiment is created; the second diagram is an enlarged schematic view of the first coil A.

As shown, a first rotor group 1 includes a first rotor body 11 and a first end steel sheet 12, and the first rotor body 11 is composed of a plurality of first silicon steel sheets 111 and a plurality of first silicon steel sheets. 112 are stacked on each other, and in this embodiment, are arranged in the order of four first silicon steel sheets 111 and two first silicon steel sheets 112 along a rotor axis x in order and stacked on each other, and first The difference between the silicon steel sheet 111 and the first silicon steel sheet 112 is that the first silicon steel sheet 112 is provided with a gas leakage gap (not shown), and the first steel sheet 111 is absent.

The first end steel sheet 12 is disposed at one end of the first rotor body 11 and has a plurality of first end filling holes 121, a plurality of first extension structures 122 and a plurality of first rivet points 123. The first extension structures 122 are respectively formed integrally protruding from the first end injection hole 121 in the axial direction of the rotor x, and the first rivet points 123 are respectively protruded along the axial direction of the rotor x, and are circumferentially arranged at intervals. The periphery of the first extension structure 122.

In this embodiment, each of the first end filling holes 121 is an elongated hole, and three first riveting points 123 are disposed on the two sides of each of the first extending structures 122 at intervals. However, in other embodiments, the number of the first rivet points 123 may be determined according to the length of the first end filling hole 121 and the size of the first rivet 123, for example, the first rivet 123 may be in a shorter size. A larger number is disposed on both sides of the first extension structure 122, or may be disposed on both sides of the first extension structure 122 in a smaller size and in a smaller number. In practice, the first extension structure 122 may be the first end filling hole 121 The edges are formed by stamping. In addition, in the embodiment, each of the first end filling holes 121 defines a venting gap 1211.

Please refer to the third and fourth figures. The third figure shows a perspective view of a plurality of iron collars of the first rotor group of the segmented rotor structure provided by the preferred embodiment of the present invention; It is a schematic cross-sectional view showing the relationship between the extension structure, the riveting point and the iron collar.

As shown, the first extension structure 122 and the first rivet 123 of the first end steel sheet 12 project convexly along the axial direction of the rotor. The iron collar 2 is sleeved on the first extension structure 122 and correspondingly positioned at the first end of the first end steel sheet 12, and the iron collar 2 is further abutted against the rivet point 123, thereby making the iron The collar 2 is connected to the corresponding first end infusion hole 121 and is stably disposed on the first end silicon steel sheet 12.

As described above, since the first silicon steel sheet 111 is provided with a plurality of first filling holes 1111, and the first silicon steel sheet 112 is provided with a plurality of first filling holes 1121, the plurality of first silicon steel sheets 111 and the plurality of first The first infusion holes 1111 or 1121 of any two adjacent stackers of the silicon steel sheet 112 are connected to each other along the rotor axis x to form a plurality of first perfusion channels PC1, and the first end infusion holes 121 are respectively connected to the first The channel PC1 is filled, and when the iron collar 2 is sleeved on the first extension structure 122, the iron collar 2 communicates with the first end infusion hole 121, thereby communicating with the first perfusion channel PC1.

Please refer to the fifth to seventh figures. The fifth figure shows a perspective exploded view of the segmented rotor structure provided by the preferred embodiment of the present invention. The sixth figure shows the points provided by the preferred embodiment of the present invention. A three-dimensional schematic diagram of a segmented rotor structure; the seventh diagram shows a second segment of the rotor group and A schematic cross-sectional view of a segment of a rotor connected through an iron collar. As shown in the figure, after the iron collars 2 are respectively sleeved on the plurality of first extension structures 122 of the first end silicon steel sheet 12, the second rotor group 3 is correspondingly stacked on the plurality of iron collars 2, The plurality of second perfusion channels PC2 of the second stage rotor group 3 are respectively correspondingly communicated to the first perfusion channel PC1 of the first stage rotor group 1 via the iron collar 2 respectively.

As described above, the segmented rotor structure 100 provided by the present invention includes the first stage rotor set 1, the above-described iron collar 2, and a second stage rotor set 3.

The structure of the second stage rotor set 3 is similar to that of the first stage rotor set 1, and the second stage rotor set 3 also comprises a second rotor body 31 and a second end turn steel sheet 32. The second rotor body 31 is formed by stacking a plurality of second silicon steel sheets 311 and a plurality of second silicon steel sheets 312, and in the embodiment, is a ratio of four silicon steel sheets 311 to two steel sheets 312. The axial direction x of the rotor is sequentially arranged and stacked on each other, and the difference between the second silicon steel sheet 311 and the second silicon steel sheet 312 is only that the silicon steel sheet 312 is provided with a gas leakage gap (not shown), and the second steel sheet 311 is not. .

The second silicon steel sheet 311 is provided with a plurality of second filling holes 3111, and the second steel sheet 312 is provided with a plurality of second filling holes 3121. Therefore, the plurality of second silicon steel sheets 311 and the plurality of second steel sheets 312 The second infusion holes 3111 or 3121 of any two adjacent stackers are connected to each other along the rotor axis x to form a plurality of second perfusion channels PC2.

The second end silicon steel sheet 32 is disposed on the second rotor body 31 facing the first length rotor group 1 and is provided with one end of the first end steel sheet 12, and has There are a plurality of second end infusion holes 321, a plurality of second extension structures 322 and a plurality of second riveting points 323. The second end filling holes 321 are respectively connected to the second filling passages PC2, and the second extending structures 322 are formed integrally from the second end filling holes 321 integrally formed in the opposite direction of the rotor axial direction x, and the second The rivet points 323 are respectively protruded in the opposite directions of the axial direction x of the rotor, and are circumferentially arranged around the second extension structure 322.

Wherein, when the second extension structure 322 extends into the iron collar 2 and the iron collar 2 is clamped between the second extension structure 322 and the second rivet point 323, the iron collar 2 is connected to the second end of the perfusion. The hole 321 is further connected to the second perfusion channel PC2, so that the first perfusion channel PC1 and the second perfusion channel PC2 can communicate with each other through the iron collar 2 based on the above, since the segmented rotor structure 100 of the present invention is The end steel piece 12 of the first stage rotor group 1 is provided with a first extension structure 122 communicating with the first end filling hole 121, and a riveting point 123 is disposed around the first extension structure 122, so that the iron collar 2 is The first extension structure 122 can be disposed between the first extension structure 122 and the first rivet point 123, thereby making the second rotor group 3 pass through the plurality of iron collars 2 to make the second After the perfusion channel PC2 is connected to the first perfusion channel PC1 via the iron collar 2, the aluminum slurry can be poured into the first perfusion channel PC1, the iron collar 2 and the second perfusion channel PC2 by a die casting process.

Please refer to the eighth and ninth drawings. The eighth figure shows a perspective view of the segmented rotor provided by the preferred embodiment of the present invention. The ninth figure shows that the cast aluminum rod is disposed in the first rotor group. Schematic diagram of the iron collar and the second rotor group.

As shown in the figure, after the segmented rotor structure 100 described above is poured into the first perfusion channel PC1, the iron collar 2 and the second perfusion channel PC2 via a die casting process, the aluminum paste is cooled to form a first perfusion. The channel PC1, the iron collar 2 and the cast aluminum rod 4 of the second perfusion channel PC2, in turn, transform the segmented rotor structure 100 into a segmented rotor 200 having a plurality of cast aluminum rods 4 via a die casting process.

In practice, when the segmented rotor structure 100 is subjected to a die casting process, the air in the first perfusion channel PC1, the iron collar 2, and the second perfusion channel PC2 may be vented by the first perfusion hole 1121 (not shown) The venting notch (not shown) of the second filling hole 3121, the deflation notch 1211 of the first end filling hole 121 or the deflation notch (not shown) of the second end filling hole 321 is discharged.

In summary, the inner septum is used to connect the perfusion channels of the rotor segments of each segment in order to manufacture a larger induction motor rotor, but the inner septum is deformed or melted because it cannot withstand high pressure and high temperature. As a result, the rotor of the induction motor cannot be manufactured smoothly; the present invention provides an extension structure and a rivet point provided around the extension structure on the end steel piece of the first rotor group, so that the iron collar can be stabilized by the yoke point The ground cover is set in the extension structure, and when the segmented rotor structure is subjected to the die casting process, the support of the rivet point is used to prevent the outer expansion and deformation of the iron collar, thereby preventing the deformation of the iron collar and the leakage of the aluminum paste.

In addition, because the creation uses the iron collar instead of the prior art to use the inner spacer made of aluminum alloy, it is more effective to withstand the high temperature and high pressure that the die casting process is subjected to.

The features and spirit of the present invention are more clearly described in the above detailed description of the preferred embodiments, and the scope of the present invention is not limited by the preferred embodiments disclosed herein. On the contrary, it is intended to cover all kinds of changes and equivalences within the scope of the patent application to which the present invention is intended.

1‧‧‧First rotor group

111, 112‧‧‧ first steel sheet

1111, 1121‧‧‧ first filling hole

12‧‧‧First end steel sheet

122‧‧‧First extension structure

123‧‧‧The first riveting point

2‧‧‧ Iron collar

3‧‧‧Second rotor group

311, 312‧‧‧Second steel sheet

3111, 3121‧‧‧ second filling hole

32‧‧‧Second end silicon steel sheet

321‧‧‧Second end perfusion hole

322‧‧‧Second extension structure

323‧‧‧Second riveting point

PC1‧‧‧ first perfusion channel

PC2‧‧‧Second perfusion channel

Claims (5)

A segmented rotor structure comprising: a first segment rotor assembly comprising: a first rotor body formed by stacking a plurality of first silicon steel sheets along a rotor axial direction, each of the first silicon steel sheets Opening a plurality of first filling holes, the first filling holes of any two adjacent stackers of the first silicon steel sheets are connected to each other along the axial direction of the rotor to form a plurality of first filling channels; and a first An end steel piece is disposed at one end of the first rotor body, and has a plurality of first end filling holes, a plurality of first extension structures and a plurality of first riveting points, wherein the first end infusion holes are respectively connected In the first filling passages, the first extension structures are integrally formed from the first end filling holes integrally protruding along the axial direction of the rotor, and the first rivet points are respectively along the rotor shaft Projecting outwardly and circumferentially around the first extension structures; a plurality of iron collars are respectively sleeved on the first extension structures and respectively received by the first rivet points Located at the first end of the silicon steel sheet; And a second rotor group stacked on the iron collars and having a plurality of second filling passages, wherein the second filling passages are respectively correspondingly connected to the first through the iron collars Perfusion channel. The segmented rotor structure of claim 1, wherein the second segment rotor group comprises: a second rotor body is formed by stacking a plurality of second silicon steel sheets along the axial direction of the rotor, and each of the second silicon steel sheets is provided with a plurality of second filling holes, and the second steel sheets are The second filling holes of the two adjacent stackers are connected to each other along the axial direction of the rotor to form the second filling channels; and a second end steel sheet is disposed on the second rotor body facing the first section One end of the rotor set, and having a plurality of second end infusion holes, a plurality of second extension structures and a plurality of second riveting points, wherein the second end perfusion holes are respectively connected to the second perfusion channels, the The two extension structures are integrally formed from the second end filling holes integrally protruding along the axial direction of the rotor, and the second rivet points respectively protrude from the axial direction of the rotor. And circumferentially arranged around the second extension structures. The segmented rotor structure of claim 1, wherein the first rivet points are spaced apart from each other on both sides of the first extension structures. The segmented rotor structure of claim 1, wherein the first infusion holes of at least one of the first silicon steel sheets have a gas leakage gap. A segmented rotor comprising: a segmented rotor structure as described in claim 1; A plurality of cast aluminum rods are respectively disposed through the first perfusion channels, the iron collars and the second perfusion channels that are in communication with each other.