CN211508850U - Rotor cold pressing device - Google Patents

Rotor cold pressing device Download PDF

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Publication number
CN211508850U
CN211508850U CN202020450624.4U CN202020450624U CN211508850U CN 211508850 U CN211508850 U CN 211508850U CN 202020450624 U CN202020450624 U CN 202020450624U CN 211508850 U CN211508850 U CN 211508850U
Authority
CN
China
Prior art keywords
rotor
cover
pivot
pressing
sleeve
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
Application number
CN202020450624.4U
Other languages
Chinese (zh)
Inventor
李敬杰
程宝生
叶咏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangtian Motor Co ltd
Original Assignee
Jiangtian Motor Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangtian Motor Co ltd filed Critical Jiangtian Motor Co ltd
Priority to CN202020450624.4U priority Critical patent/CN211508850U/en
Application granted granted Critical
Publication of CN211508850U publication Critical patent/CN211508850U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a rotor cold pressing device belongs to motor technical field. The problems that the existing cold pressing process is easy to cause deformation and bending of a rotating shaft, so that the rotor jumps greatly, the quality of a motor is influenced and the like are solved. The utility model discloses a push down setting element, clamp plate and pressure cover, push down the setting element can carry out vertical location to the pivot of rotor, press the vertical setting of cover on the clamp plate, the one end of pressing the cover is the link, the other end is for exerting pressure the end, presses the cover to have the die cavity that holds the rotor pivot, the transverse dimension of die cavity matches with the transverse dimension of the pivot of rotor, presses the cover to embolia the one end of pivot after, its end of exerting pressure can support to press on the cast aluminium rotor. The utility model discloses a pressing end of pressing the cover is pressed on cast aluminum rotor, rather than direct pivot of exerting pressure to can be convenient and reliable with pivot and cast aluminum rotor suit together, and avoid pivot bending deformation.

Description

Rotor cold pressing device
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to rotor cold pressing device.
Background
At present, the small motor rotor basically adopts a cold pressing process, the cold pressing process shortens the period, the production efficiency is high, and the economic benefit is obvious. The existing cold pressing process is to press a rotating shaft into a cast aluminum rotor, and the cold pressing rotor is basically a small motor, so that the diameter of the rotating shaft is small, the rotating shaft is easy to deform and bend, the rotor is large in jumping, and the quality of the motor is affected.
Disclosure of Invention
The utility model aims at solving the above problems existing in the press mounting of the existing motor rotor, and providing an easy operation, which can reduce the rotor cold pressing device with the deformation of the rotating shaft.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a rotor cold pressing device, its characterized in that, it includes pushes down setting element, clamp plate and pressure cover, the setting element that pushes down can carry out vertical location to the pivot of rotor, press the vertical setting of cover on the clamp plate, the one end of pressing the cover is the link, the other end is for exerting pressure the end, presses the cover to have the die cavity that holds the rotor pivot, the transverse dimension of die cavity matches with the transverse dimension of the pivot of rotor, presses the cover to embolia the one end of pivot after, its end of exerting pressure can support and press on the cast aluminium rotor.
Preferably, the length of the pressing sleeve is 2/5-4/5 of the length of the rotating shaft.
The pressing sleeve is too short and too long, which can affect the pressing effect.
The rotating shaft is vertically placed on the lower pressing positioning piece, the cast aluminum rotor is placed on the rotating shaft, the pressing sleeve is sleeved at the upper end of the rotating shaft, pressure is applied to the pressing plate, the pressing end of the pressing sleeve is abutted against the cast aluminum rotor, and therefore the rotating shaft and the cast aluminum rotor are connected in a sleeved mode.
The pressing plate can be connected with the press, the pressing plate is connected with the pressing head of the press, and the pressing head can move up and down under the action of the driving mechanism, so that the pressing of the pressing sleeve is realized.
Preferably, the pushing positioning piece comprises a rotor cushion cover, the rotor cushion cover comprises a base and a supporting sleeve arranged on the base, the supporting sleeve is vertically arranged on the base, a cylindrical hole is formed in the supporting sleeve, one end (upper end) of a rotating shaft can be inserted into the cavity of the pressing sleeve, and the other end (lower end) of the rotating shaft can be inserted into the cylindrical hole of the supporting sleeve. The cylindrical hole penetrates through the base.
Preferably, a buffer member is arranged below the base.
Preferably, the buffer member is a polyurethane pad, a circular hole is formed in the polyurethane pad, and the cylindrical hole of the support sleeve is located above the circular hole of the polyurethane pad and communicated with the circular hole. The upper part of the lower end of the rotating shaft is larger than the cylindrical hole of the supporting sleeve, and the lower part of the rotating shaft is smaller than the cylindrical hole of the supporting sleeve.
Compared with the prior art, the utility model discloses set up and pushed down setting element, clamp plate, pressure cover, through will pressing the cover and overlap in the one end of pivot, the end of exerting pressure of pressing the cover presses on cast aluminium rotor, rather than the pivot of directly exerting pressure to can be convenient and reliable with pivot and cast aluminium rotor suit together, and avoid pivot bending deformation.
Drawings
Fig. 1 is a schematic diagram of the rotating shaft and the cast aluminum rotor sleeved by the utility model.
In the figure, 1, a pressure plate; 2. pressing the sleeve; 3. a connecting end; 4. a pressure applying end; 5. a cavity; 6. a cast aluminum rotor; 7. a rotor cushion cover; 8. a base; 9. a support sleeve; 10. a cylindrical hole; 11. a polyurethane pad; 12. a rotating shaft; 13. a circular hole.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the utility model provides a rotor cold pressing device, it includes pushes down setting element, clamp plate 1 and presses cover 2.
The lower pressing positioning piece can vertically position the rotating shaft 12 of the rotor, the pressing sleeve 2 is vertically arranged on the pressing plate 1, one end of the pressing sleeve 2 is a connecting end 3, the other end of the pressing sleeve is a pressing end 4, and the pressing sleeve 2 is provided with a cavity 5 for accommodating the rotating shaft 12 of the rotor. The transverse dimension of the cavity 5 is equivalent to that of a rotating shaft 12 of the rotor, and after the pressing sleeve 2 is sleeved at one end of the rotating shaft 12, the pressing end 4 can be pressed on the cast aluminum rotor 6. The length of the pressing sleeve 2 is 2/5-4/5 of the length of the rotating shaft 12. In this embodiment, the length of the pressing sleeve 2 is 1/2 of the length of the rotating shaft 12. The pressing sleeve 2 is too short and too long, which can affect the pressing effect.
During operation, the rotating shaft 12 can be vertically placed on the lower pressing positioning piece, then the cast aluminum rotor 6 is placed on the rotating shaft 12, the pressing sleeve 2 is sleeved into the upper end of the rotating shaft 12 to apply pressure to the pressing plate 1, the pressing end 4 of the pressing sleeve 2 is pressed against the cast aluminum rotor 6, and pressure is continuously applied to the pressing plate until the rotating shaft 12 and the cast aluminum rotor 6 are sleeved together, and no force is directly applied to the upper end of the rotating shaft 12, so that the bending deformation of the rotating shaft 12 cannot be caused.
Can be connected clamp plate 1 with the press, clamp plate 1 is connected with the pressure head of press, and the pressure head can be under actuating mechanism effect up-and-down motion to realize pressing the pushing down of cover 2.
The downward pressing positioning piece comprises a rotor cushion cover 7, the rotor cushion cover 7 comprises a base 8 and a supporting sleeve 9 arranged on the base 8, the supporting sleeve 9 is vertically arranged on the base 8, a cylindrical hole 10 is formed in the supporting sleeve 9, one end (upper end) of a rotating shaft 12 can be inserted into the cavity 5 of the pressing sleeve 2, and the other end (lower end) of the rotating shaft 12 can be inserted into the cylindrical hole 10 of the supporting sleeve 9.
A buffer is arranged below the base 8. The buffer member is a polyurethane pad 11, a circular hole 13 is arranged on the polyurethane pad 11, and the cylindrical hole 10 of the support sleeve 9 is positioned above the circular hole 13 of the polyurethane pad 11 and is communicated with the circular hole 13. The upper size of the lower end of the rotating shaft 12 is larger than the size of the cylindrical hole 10 of the support sleeve 9, and the lower size is smaller than the size of the cylindrical hole 10 of the support sleeve 9.
The utility model discloses set up and pushed down setting element, clamp plate 1, pressure cover 2, through will pressing cover 2 cover in the one end of pivot 12, press 4 pressures of the end of exerting pressure of cover 2 on cast aluminium rotor 6, rather than directly exert pressure pivot 12 to can be convenient and reliable with pivot 12 and cast aluminium rotor 6 suit together, and avoid pivot 12 pressure equipment process bending deformation.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e., in a manner equivalent to "including at least … …", and not in a closed manner, i.e., in a manner not to be interpreted as "including … … only".
Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (5)

1. The utility model provides a rotor cold pressing device, its characterized in that, it includes pushes down setting element, clamp plate and pressure cover, the setting element that pushes down can carry out vertical location to the pivot of rotor, press the vertical setting of cover on the clamp plate, the one end of pressing the cover is the link, the other end is for exerting pressure the end, presses the cover to have the die cavity that holds the rotor pivot, the transverse dimension of die cavity matches with the transverse dimension of the pivot of rotor, presses the cover to embolia the one end of pivot after, its end of exerting pressure can support and press on the cast aluminium rotor.
2. A rotor cold pressing apparatus as claimed in claim 1, wherein said pressing sleeve has a length 2/5-4/5 of the length of the shaft.
3. A rotor cold pressing device according to claim 1 or 2, wherein the pressing positioning member comprises a rotor cushion cover, the rotor cushion cover comprises a base and a supporting sleeve arranged on the base, the supporting sleeve is vertically arranged on the base, a cylindrical hole is arranged on the supporting sleeve, one end of the rotating shaft can be inserted into the cavity of the pressing sleeve, and the other end of the rotating shaft can be inserted into the cylindrical hole of the supporting sleeve.
4. A rotor cold pressing apparatus as claimed in claim 3, wherein a buffer member is provided under said base.
5. The rotor cold pressing device according to claim 4, wherein the buffer member is a polyurethane pad, a circular hole is formed in the polyurethane pad, and the cylindrical hole of the support sleeve is located above the circular hole of the polyurethane pad and is communicated with the circular hole.
CN202020450624.4U 2020-03-31 2020-03-31 Rotor cold pressing device Active CN211508850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020450624.4U CN211508850U (en) 2020-03-31 2020-03-31 Rotor cold pressing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020450624.4U CN211508850U (en) 2020-03-31 2020-03-31 Rotor cold pressing device

Publications (1)

Publication Number Publication Date
CN211508850U true CN211508850U (en) 2020-09-15

Family

ID=72403584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020450624.4U Active CN211508850U (en) 2020-03-31 2020-03-31 Rotor cold pressing device

Country Status (1)

Country Link
CN (1) CN211508850U (en)

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