CN-122028239-A - Point-clamping type multi-gear flexible magnetic disk

CN122028239ACN 122028239 ACN122028239 ACN 122028239ACN-122028239-A

Abstract

The application relates to a point-clamped multi-gear flexible magnetic disk, wherein an accommodating cavity is formed in a central guide post, a through hole is formed in the side wall of the central guide post, a locking pin is arranged in the through hole, a gear adjusting sleeve is sleeved outside the central guide post, a plurality of groups of gear grooves are formed in the side wall, close to the central guide post, of the gear adjusting sleeve, the side wall, far away from the central guide post, of the gear adjusting sleeve is a conical surface, a chute is formed in the conical surface along the direction of a bus of the conical surface, magnetic steel is circumferentially distributed along the gear adjusting sleeve, one end of a transmission sliding block is in sliding fit with the chute, the other end of the transmission sliding block is connected with the magnetic steel, the transmission sliding block and the magnetic steel are driven to radially move through axial movement to adjust the radius of the magnetic disk, a moving block is arranged in the accommodating cavity, a unlocking groove is formed in the moving block, the moving block is axially moved to a locking position to push the locking pin to be clamped in the gear groove, and in the unlocking position, and the gear adjusting sleeve is pushed to be locked in the unlocking groove through axial movement. The multi-gear quick locking and unlocking is realized through the cooperation of the locking pin, the gear groove and the unlocking groove.

Inventors

DAI SHAOTAO
WANG LEI
Wan Haiyun
ZHANG LIMING
JIANG GUOZHONG
LUO JIE
ZHANG BIN
DU FENG

Assignees

江西联创超导技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260313

Claims (10)

1. A point-clamped multi-gear flexible disk, comprising: the device comprises a central guide post, a locking pin and a locking pin, wherein an accommodating cavity is formed in the central guide post, a through hole which penetrates through the side wall of the central guide post in the radial direction is formed in the side wall of the central guide post; The gear adjusting sleeve is sleeved outside the central guide post, a plurality of groups of gear grooves are axially formed in the side wall, close to the central guide post, of the gear adjusting sleeve, and the gear grooves corresponding to gears can be moved to positions opposite to the through holes through axial movement; the magnetic steels are in a plurality of groups and distributed along the circumferential direction of the gear adjusting sleeve; One end of the transmission slide block is in sliding fit with the chute, the other end of the transmission slide block is connected with the corresponding magnetic steel, and the gear adjusting sleeve drives the transmission slide block and the magnetic steel to move radially through axial movement so as to adjust the radius of a magnetic disk; the gear adjusting sleeve is arranged in the accommodating cavity, an unlocking groove is formed in the moving block, the moving block is provided with a locking position and an unlocking position, the moving block axially moves to the locking position to push the locking pin to be clamped into the gear groove, and in the unlocking position, the gear adjusting sleeve axially moves to push the locking pin to be clamped into the unlocking groove.
2. The spot-on multi-gear flexible disk according to claim 1, wherein a first sliding part and a second sliding part are respectively formed at two ends of the locking pin, the length of the first sliding part is greater than or equal to the depth of the gear groove, and the length of the second sliding part is greater than or equal to the depth of the unlocking groove; the gear adjusting sleeve can push the first sliding part to withdraw from the gear groove along the radial direction by axial movement, and the second sliding part is clamped into the unlocking groove along the radial direction; the second sliding part can be pushed to exit from the unlocking groove in the radial direction by the axial movement of the moving block, and the first sliding part is clamped into the gear groove in the radial direction.
3. The spot-on multi-gear flexible disk according to claim 2, wherein the surfaces of the first sliding part and the second sliding part are respectively inclined surfaces, conical surfaces or spherical surfaces.
4. The spot-on multi-speed flexible disk of claim 3 wherein the locking pin is a ball.
5. The spot-cartridge multi-position flexible disk of any one of claims 1-4, wherein the sum of the length of the through hole and the depth of the unlocking slot/the gear slot is equal to the total length of the locking pin.
6. The spot-on multi-gear flexible disk according to claim 4, wherein the bottoms of the unlocking groove and the gear groove are cambered surfaces, and the sum of the length of the through hole and the depth of the unlocking groove/the gear groove is equal to the diameter of the ball.
7. The spot-on multi-gear flexible disk according to claim 1, further comprising a driving member disposed in the accommodating cavity, wherein a driving end of the driving member is connected to the moving block and is configured to drive the moving block to move along an axial direction of the core beam.
8. The spot-on multi-gear flexible disk according to claim 1, wherein the through holes include a plurality of through holes distributed along a circumferential direction of the core beam; The unlocking grooves are distributed along the circumferential direction of the moving block, and the moving block can enable the unlocking grooves to move to positions opposite to the through holes respectively through axial movement; the same group of gear grooves are distributed along the circumferential direction of the gear adjusting sleeve, and the gear adjusting sleeve can enable one group of gear grooves corresponding to gears to move to positions opposite to the through holes respectively through axial movement.
9. The spot-on multi-gear flexible disk according to claim 1, further comprising a base, wherein the core beam is mounted on the base, a return spring is arranged between the base and the gear adjusting sleeve, and the return spring enables the gear grooves of different gears to reach positions opposite to the through holes respectively through expansion and contraction.
10. The spot-on multi-gear flexible disk according to claim 9, wherein a guide rail is radially arranged on the base, the transmission slide block is in sliding fit with the guide rail, and when the gear adjusting sleeve moves axially, the transmission slide block is respectively in sliding fit with the chute and the guide rail to drive the magnetic steel to move radially; The gear adjusting sleeve is characterized in that a limiting cover is arranged on the upper end face of the central guide post, and the edge of the limiting cover protrudes out of the central guide post and is used for blocking the gear adjusting sleeve and preventing the gear adjusting sleeve from being separated from the central guide post.

Description

Point-clamping type multi-gear flexible magnetic disk Technical Field The application relates to the technical field of hub induction heating equipment, in particular to a point clamping type multi-gear flexible magnetic disk. Background The core heating principle of the hub induction heating equipment is that a magnetic field is formed by optimally arranged permanent magnets, a rotating magnetic field is generated when the permanent magnets rotate, the hub cuts magnetic induction lines to form eddy currents and generate heat, and therefore the hub is heated, and the flexible magnetic disk is a core key component for realizing the heating process. In the prior art, flexible magnetic disk is loaded down with trivial details in locking, gear shift in-process action, along with the promotion of wheel hub heating adaptation demand, the demand that the gear changes constantly increases, further leads to the locking gear shift operation degree of difficulty of current flexible magnetic disk to increase, and the processing cost of spare part is higher simultaneously, and the follow-up maintenance cost of equipment also is high still, can't satisfy high-efficient, convenient production user demand. Disclosure of Invention The application provides a point-clamped multi-gear flexible magnetic disk, which is used for solving the technical problems of complex structure, complicated locking gear shifting action and high processing and maintenance cost of the flexible magnetic disk in the prior art, realizing quick unlocking, adjusting and locking of the multi-gear of the magnetic disk, accurately adapting to the inner diameters of hubs with different sizes, improving the flexibility of adjusting a heating air gap and ensuring the uniformity and the high efficiency of heating the hubs. The application provides a point clamping type multi-gear flexible magnetic disk, which comprises a central guide post, a gear adjusting sleeve, magnetic steel, a transmission sliding block and a moving block, wherein the central guide post is arranged on the central guide post; The gear adjusting sleeve is sleeved outside the central guide post, a plurality of groups of gear grooves are axially formed in the side wall, close to the central guide post, of the gear adjusting sleeve, the gear grooves corresponding to gears can be moved to positions opposite to the through holes through axial movement, the side wall, far away from the central guide post, of the gear adjusting sleeve is a conical surface, a chute is formed in the conical surface along the direction of a bus, magnetic steel is a plurality of groups and distributed along the circumferential direction of the gear adjusting sleeve, one end of a transmission sliding block is in sliding fit with the chute, the other end of the transmission sliding block is connected with the corresponding magnetic steel, the gear adjusting sleeve drives the transmission sliding block and the magnetic steel to move radially to adjust the radius of a magnetic disc through axial movement, a moving block is arranged in the accommodating cavity and provided with a unlocking groove, the moving block can push the locking pin to be clamped into the gear grooves through axial movement, and in the unlocking position, and the gear adjusting sleeve pushes the locking pin to be clamped into the unlocking groove through axial movement. In one possible design, a first sliding part and a second sliding part are respectively formed at two ends of the locking pin, the length of the first sliding part is greater than or equal to the depth of the gear groove, the length of the second sliding part is greater than or equal to the depth of the unlocking groove, the gear adjusting sleeve axially moves to push the first sliding part to radially withdraw from the gear groove and enable the second sliding part to radially clamp into the unlocking groove, and the moving block axially moves to push the second sliding part to radially withdraw from the unlocking groove and enable the first sliding part to radially clamp into the gear groove. In one possible design, the surfaces of the first sliding part and the second sliding part are respectively inclined surfaces or conical surfaces or spherical surfaces. In one possible design, the locking pin is a ball, and the spherical structure of the ball can convert sliding friction between the locking pin and the through hole, the gear groove and the unlocking groove into rolling friction, so that friction between the locking pin and the through hole, the gear groove and the unlocking groove is reduced, and the smoothness of gear switching is improved. In one possible design, the sum of the length of the through hole and the depth of the unlocking groove/gear groove is equal to the total length of the locking pin, when the locking pin is a ball, the bottoms of the unlocking groove and the gear groove are cambered surfaces, and the sum of the length of the through hole and the depth of