CN214543932U

CN214543932U - Magnetic induction heating device for motor shell

Info

Publication number: CN214543932U
Application number: CN202022975089.7U
Authority: CN
Inventors: 徐金彬
Original assignee: Zhejiang H-Wise Techonology Co ltd
Current assignee: Zhejiang H-Wise Techonology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-29
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a magnetic induction heating device for motor shell, including the power frequency heater main part, be provided with rotatable support yoke in the power frequency heater main part, be provided with cylindrical supporting shoe on the support yoke, the bottom of supporting shoe is provided with keeps off the ring, heats the casing through the electromagnetic effect who supports on the yoke, because magnetism induction line evenly produces on supporting the yoke to it is even to make the casing can wholly be heated, improves machining efficiency, reduces the labour.

Description

Magnetic induction heating device for motor shell

Technical Field

The utility model belongs to motor production facility field, more specifically the utility model relates to a magnetic induction heating device for motor housing that says so.

Background

The motor is an electromagnetic device for converting and transmitting electric energy according to the law of electromagnetic induction. The motor has a wide application range, covers various aspects of production and life, and different motors can be produced according to different functional requirements. While the motor industry develops rapidly, the motor manufacturing industry has great space for improving technical equipment, technical level, product grade and production capacity.

The motor generally includes a casing, a rotor, and a stator, which are assembled by an interference shrink fit. The existing shell is heated by the high-temperature oven, and the shell is heated unevenly when being heated, so that the processing time of the shell is long, workers need to work in a high-temperature environment for a long time, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a magnetic induction heating device for motor shell makes the casing be heated evenly, reduces heat time, reduces the labour.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a magnetic induction heating device for motor casing, includes the power frequency heater main part, be provided with rotatable support yoke in the power frequency heater main part, be provided with cylindrical supporting shoe on the support yoke, the bottom of supporting shoe is provided with keeps off the ring.

Furthermore, a heat preservation cover is arranged on the supporting block.

Further, be provided with stop gear on the support yoke, stop gear includes fixed block and stopper, the fixed block contradicts respectively at the both ends of supporting shoe with the stopper, be provided with the spacing groove on the support yoke, stopper sliding connection is in the spacing inslot, the spacing inslot is provided with expanding spring, expanding spring's both ends are contradicted with the bottom of stopper and spacing groove respectively, the both sides of stopper are provided with first spacing arch, be provided with the spacing arch of the first spacing bellied second of correspondence on the spacing groove.

Furthermore, a vertical blocking surface and an inclined sliding surface are arranged on the limiting block, the blocking surface is abutted to the supporting block, and the sliding surface faces the supporting block and is away from the blocking surface and extends in an inclined mode.

Furthermore, a horizontal transition surface is arranged at one end, far away from the blocking surface, of the sliding surface, and the transition surface is smoothly connected with the sliding surface.

Compared with the prior art, the beneficial effects of the utility model are that: before the processing casing, roll out the support yoke, install the supporting shoe on supporting the yoke, then establish the casing cover on the supporting shoe completely, and make the casing inconsistent with the fender ring of supporting shoe bottom, rotate at last and support the yoke, make the power in the power frequency heater main part be connected at the both ends of long yoke, can heat the casing through the electromagnetic effect on the support yoke after the start-up power, because the line is evenly produced on supporting the yoke to magnetism, thereby make the casing can wholly be heated evenly, and the machining efficiency is improved, and the labor is reduced.

Drawings

Fig. 1 is a schematic perspective view of a heating device according to the present invention;

fig. 2 is an exploded view of the motor casing mounted on the support yoke;

FIG. 3 is a cross-sectional view of the support yoke;

fig. 4 is a schematic structural diagram of a limiting block.

Reference numerals: 1. a main power frequency heater body; 2. a support yoke; 3. a support block; 4. a baffle ring; 5, a heat preservation cover; 6. a fixed block; 7. a limiting block; 8. a limiting groove; 9. a tension spring; 10. a first limit protrusion; 11. a blocking surface; 12. a sliding surface; 13. a transition surface; 14. a bolt; 15. a casing.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 4.

The utility model provides a magnetic induction heating device for motor casing, includes the power frequency heater main part, be provided with rotatable support yoke 2 on the power frequency heater main part, be provided with columnar supporting shoe 3 on the support yoke 2, the bottom of supporting shoe 3 is provided with keeps off ring 4.

As shown in fig. 1, before the casing 15 is processed, the supporting yoke 2 is rotated out, the supporting block 3 is installed on the supporting yoke 2, then the casing 15 is completely sleeved on the supporting block 3, the casing 15 is made to be in contact with the baffle ring 4 at the bottom of the supporting block 3, and finally the supporting yoke 2 is rotated, so that two ends of the long yoke are connected with a power supply on the main body of the power frequency heater, after the power supply is started, the casing 15 can be heated through the electromagnetic effect on the supporting yoke 2, and because the magnetic induction lines are uniformly generated on the supporting yoke 2, the casing 15 can be heated uniformly as a whole, the processing efficiency is improved, and the labor force is reduced.

Preferably, the supporting block 3 and the baffle ring 4 are made of polytetrafluoroethylene, so that the supporting block and the baffle ring are high temperature resistant, and when the casing 15 is taken out or installed, friction with the casing 15 does not enable the rubbed polytetrafluoroethylene dust to stick to the casing 15.

As shown in fig. 1, in the preferred embodiment, the supporting block 3 is provided with the heat-insulating cover 5, after the casing 15 is installed on the supporting block 3, the heat-insulating cover 5 is sleeved on the casing 15, so as to reduce heat exchange between the casing 15 and the outside, and when the casing 15 is heated, heat dissipation on the casing 15 is reduced through the heat-insulating cover 5, so that the casing 15 can reach a heating temperature more quickly, and the heating efficiency of the casing 15 is improved.

Preferably, the inner diameter of the heat preservation cover 5 is equal to the diameter of the retaining ring 4, that is, after the heat preservation cover 5 is installed, the heat preservation cover 5 is abutted to the retaining ring 4, so that one end of the retaining ring 4 on the supporting block 3 is closed, heat exchange between the casing 15 and the outside is further reduced, and the heating efficiency is improved.

As shown in fig. 2, preferably, the heat-insulating cover 5 is provided with a bolt 14 for fixing, and the baffle ring 4 is provided with a hole corresponding to the bolt 14, when the heat-insulating cover 5 is installed, the bolt 14 penetrates through the heat-insulating cover 5 and extends into the baffle ring 4, so that the heat-insulating cover 5 is fixed on the baffle ring 4, and the heat-insulating cover 5 is prevented from being separated from the baffle ring 4, thereby affecting the heating effect of the casing 15.

As shown in fig. 3, a limiting mechanism is preferably arranged on the supporting yoke 2 in this embodiment, the limiting mechanism includes a fixing block 6 and a limiting block 7, the fixing block 6 and the limiting block 7 respectively abut against two ends of the supporting block 3, a limiting groove 8 is arranged on the supporting yoke 2, the limiting block 7 is slidably connected in the limiting groove 8, an expansion spring 9 is arranged in the limiting groove 8, two ends of the expansion spring 9 respectively abut against bottoms of the limiting block 7 and the limiting groove 8, when the supporting block 3 is mounted on the supporting yoke 2, the limiting block 7 slides into the limiting groove 8, the supporting block 3 can be sleeved into the supporting yoke 2, after one end of the retaining ring 4 on the supporting block 3 abuts against the fixing block 6, the limiting block 7 extends out under the elastic force of the expansion spring 9, so that the limiting block 7 abuts against the other end of the supporting block 3, and the supporting block 3 is fixed on the supporting yoke 2 by the fixing block 6 and the limiting block 7 at two ends of the supporting block 3 and the limiting block 7 The heating device can prevent the machine shell 15 from driving the supporting block 3 to move when being installed or taken down, and the heating effect is influenced by changing the heated position of the machine shell 15.

As shown in fig. 4, preferably, first limiting protrusions 10 are disposed on two sides of the limiting block 7, second limiting protrusions (not shown in the drawings) corresponding to the first limiting protrusions 10 are disposed on the limiting groove 8, and when the first limiting protrusions 10 are abutted to the second limiting protrusions, the limiting groove 8 is extended to the maximum extent from the limiting block 7, so that the telescopic spring 9 is prevented from ejecting the limiting block 7 out of the limiting groove 8, and the fixing of the supporting block 3 is prevented from being affected.

As shown in fig. 3, preferably, the limiting block 7 is provided with a first groove for installing the extension spring 9, and the bottom surface of the limiting groove 8 is provided with a second groove corresponding to the first groove, that is, two ends of the extension spring 9 are respectively located in the first groove and the second groove, so as to prevent the extension spring 9 from being separated during extension and retraction.

As shown in fig. 4, a vertical blocking surface 11 and an inclined sliding surface 12 are preferably disposed on the limiting block 7 in this embodiment, the blocking surface 11 abuts against the supporting block 3, the sliding surface 12 extends obliquely toward the supporting block 3 and away from the blocking surface 11, the supporting block 3 is limited by the vertical blocking surface 11 to prevent the supporting block 3 from moving, when the supporting block 3 is taken out, the blocking surface 11 descends first to make the sliding surface 12 abut against the supporting block 3, and at this time, the limiting block 7 has a tendency of being pushed out under the elastic force of the extension spring 9, so that the supporting block 3 tends to move, that is, when the supporting block 3 is taken out, the limiting block 7 will generate a certain resistance to the supporting block 3, and the supporting block 3 is prevented from moving due to accidental compression of the limiting block 7.

As shown in fig. 4, in the preferred embodiment, a horizontal transition surface 13 is disposed at an end of the sliding surface 12 away from the blocking surface 11, the transition surface 13 is smoothly connected to the sliding surface 12, and when the supporting block 3 is mounted or removed, a worker presses down the limiting block 7 through the transition surface 13, so that a pressing force acts on the transition surface 13, and the force required for pressing down the limiting block 7 is reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a magnetic induction heating device for motor casing, includes the power frequency heater main part, be provided with rotatable support yoke in the power frequency heater main part, its characterized in that: the supporting yoke is provided with a columnar supporting block, and the bottom of the supporting block is provided with a baffle ring.

2. The magnetic induction heating apparatus for an electric machine housing of claim 1, wherein: and the supporting block is provided with a heat preservation cover.

3. The magnetic induction heating apparatus for an electric machine housing of claim 2, wherein: the supporting yoke is provided with a limiting mechanism, the limiting mechanism comprises a fixing block and a limiting block, the fixing block and the limiting block are respectively abutted at two ends of the supporting block, a limiting groove is formed in the supporting yoke, the limiting block is connected in the limiting groove in a sliding mode, an expansion spring is arranged in the limiting groove, two ends of the expansion spring are respectively abutted with the bottoms of the limiting block and the limiting groove, first limiting protrusions are arranged on two sides of the limiting block, and second limiting protrusions corresponding to the first limiting protrusions are arranged on the limiting groove.

4. The magnetic induction heating apparatus for an electric machine housing of claim 3, wherein: the limiting block is provided with a vertical blocking face and an inclined sliding face, the blocking face is abutted to the supporting block, and the sliding face faces the supporting block and extends obliquely away from the blocking face.

5. The magnetic induction heating apparatus for an electric machine housing of claim 4, wherein: one end of the sliding surface, which is far away from the blocking surface, is provided with a horizontal transition surface, and the transition surface is smoothly connected with the sliding surface.