CN-122028238-A - Connecting rod type stepless gear-shifting flexible magnetic disk

CN122028238ACN 122028238 ACN122028238 ACN 122028238ACN-122028238-A

Abstract

The application relates to a connecting rod type stepless gear shifting flexible magnetic disk which comprises a guide post, a sliding sleeve, a plurality of sliding seats, a plurality of connecting rods and a plurality of groups of magnetic steel, wherein the sliding sleeve is sleeved on the guide post and can move along the axial direction of the guide post, the sliding seats are circumferentially arranged around the sliding sleeve, each sliding seat is respectively and correspondingly provided with a group of magnetic steel, the connecting rods are circumferentially arranged around the sliding sleeve, one ends of the connecting rods are connected with the sliding sleeve, the other ends of the connecting rods are connected with the sliding seats, and the sliding sleeve enables the connecting rods to drive the sliding seats and the magnetic steel to move along the radial direction of the guide post through axial movement of the guide post so as to adjust the radius of the magnetic disk and realize gear shifting adjustment of the magnetic disk. The axial movement of the sliding sleeve drives the angle change of the connecting rod, so that the radial movement of the sliding seat and the magnetic steel is realized, the radius of the magnetic disk can be flexibly adjusted, the stepless adjustment of the heating air gap between the magnet and the hub is realized, an operator can control the heating efficiency and the production beat according to specific production requirements, and compared with the flexible magnetic disk with the existing fixed gear, the adjustment flexibility is greatly improved.

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 connecting rod type stepless shift flexible magnetic disk, comprising: A guide post; the sliding sleeve is sleeved on the guide post and can move along the axial direction of the guide post; The sliding seat comprises a plurality of sliding seats, the sliding seats are circumferentially arranged around the sliding sleeve, and each sliding seat is correspondingly provided with a group of magnetic steel; The connecting rods are arranged around the sliding sleeve along the circumferential direction, one ends of the connecting rods are connected with the sliding sleeve, and the other ends of the connecting rods are connected with the sliding seat; The sliding sleeve enables the connecting rod to drive the sliding seat and the magnetic steel to move along the radial direction of the guide post through moving along the axial direction of the guide post so as to adjust the radius of the magnetic disk.
2. The connecting rod type stepless gear-shifting flexible disk according to claim 1, wherein the guide post is of a cylindrical structure, a plurality of guide blocks are formed on the end face of the guide post along the circumferential direction, each guide block extends along the axial direction of the guide post, a guide hole penetrating along the axial direction is formed in the sliding sleeve, the guide blocks penetrate through the guide holes, a screw is arranged in the guide post, the outer wall of the screw is in threaded fit with the inner wall of the sliding sleeve, and the screw drives the sliding sleeve to move along the axial direction of the guide post through rotation.
3. The connecting rod type stepless gear-shifting flexible magnetic disk according to claim 2, wherein an outer boss is formed on the outer wall of the screw rod, an inner boss is formed on the inner wall of the guide post, an end face bearing is sleeved outside the screw rod, the lower end of the end face bearing is abutted against the outer boss, and the upper end of the end face bearing is abutted against the inner boss.
4. The connecting rod type stepless gear-shifting flexible magnetic disk according to claim 3, wherein a needle bearing is sleeved outside the screw rod, the lower end of the needle bearing is abutted against the inner boss, and the upper end of the needle bearing is axially locked through a snap spring.
5. The connecting rod type stepless gear-shifting flexible magnetic disk according to claim 4, wherein the screw is a hollow screw, a driver is arranged in the hollow screw, and an output end of the driver is connected with the inner top of the hollow screw and is used for driving the hollow screw to rotate around a central axis of the hollow screw.
6. The connecting rod type stepless gear-shifting flexible disk according to claim 5, wherein an external thread is arranged on the outer peripheral surface of the hollow screw, the starting point of the lower end of the external thread is the position of the snap spring, and the upper end of the external thread reaches the upper end face of the hollow screw.
7. The connecting rod type stepless gear-shifting flexible magnetic disk according to claim 1, further comprising a connecting seat, wherein the connecting seat is installed on the side wall of the sliding sleeve, one end of the connecting rod is rotatably connected with the connecting seat, and the other end of the connecting rod is rotatably connected with the sliding seat.
8. The connecting rod type stepless shift flexible magnetic disk of claim 1, further comprising a base, wherein a plurality of guide rails are arranged on the base along the circumference of the base, each guide rail extends along the radial direction of the base, and each sliding seat is in sliding fit with the corresponding guide rail.
9. The connecting rod type stepless gear-shifting flexible magnetic disk according to claim 1, further comprising a limiting ring, wherein the limiting ring is mounted on the upper end face of the guide post and used for limiting the upper limit stroke of the sliding sleeve.
10. The connecting rod type stepless shift flexible magnetic disk of claim 1, further comprising a displacement sensor for detecting an axial movement position of the sliding sleeve.

Description

Connecting rod type stepless gear-shifting flexible magnetic disk Technical Field The application relates to the technical field of hub induction heating equipment, in particular to a connecting rod type stepless gear-shifting 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 discs are complex in action in the locking and gear shifting process, only the fixed gear can be changed, and along with the improvement of the heating adaptation requirement of the hubs, the requirement of gear change is continuously increased, and further the limited gears of the conventional flexible magnetic discs cannot be adapted to the heating of hubs with more types. Disclosure of Invention The application provides a connecting rod type stepless gear shifting flexible magnetic disk, which is used for solving the technical problems that the flexible magnetic disk in the prior art is complex in structure, can only change fixed gears and is high in installation and maintenance costs, realizing stepless gear shifting adjustment of the flexible magnetic disk, simplifying the structure, reducing the production and maintenance costs and improving the flexibility and efficiency of hub induction heating. The application provides a connecting rod type stepless gear-shifting flexible magnetic disk which comprises a guide post, a sliding sleeve, a plurality of sliding seats, a plurality of connecting rods and a plurality of groups of magnetic steel. The sliding sleeve is sleeved on the guide post and can move along the axial direction of the guide post, the sliding carriages are circumferentially arranged around the sliding sleeve, a group of magnetic steels are correspondingly arranged on each sliding carriage, the connecting rods are circumferentially arranged around the sliding sleeve, one ends of the connecting rods are connected with the sliding sleeve, the other ends of the connecting rods are connected with the sliding carriages, and the sliding sleeve enables the connecting rods to drive the sliding carriages and the magnetic steels to move along the radial direction of the guide post through axial movement of the guide post, so that the radius of a magnetic disk is adjusted, and gear shifting adjustment of the magnetic disk is realized. In one possible design, the guide post is of a cylindrical structure, a plurality of guide blocks are formed on the end face of the guide post along the circumferential direction, each guide block extends along the axial direction of the guide post, a guide hole penetrating along the axial direction is formed in the sliding sleeve, the guide blocks penetrate through the guide holes, and through the cooperation of the guide blocks and the guide holes, the guide and the limit of the sliding sleeve along the axial movement of the guide post are realized, so that the straightness of the sliding sleeve movement is ensured. The screw rod is arranged in the guide post, the outer wall of the screw rod is in threaded fit with the inner wall of the sliding sleeve, the screw rod drives the sliding sleeve to move along the guide post through rotation, and the rotary motion of the screw rod is converted into linear motion of the sliding sleeve in a threaded transmission mode, so that the transmission precision is high and the structure is stable. In one possible design, the outer wall of the screw is formed with an outer boss, the inner wall of the guide post is formed with an inner boss, the screw is sleeved with an end face bearing, the lower end of the end face bearing is abutted against the outer boss, and the upper end of the end face bearing is abutted against the inner boss. The end face bearing is used for bearing axial force generated in the screw rotation process, so that axial friction between the screw and the guide post is reduced, and smooth rotation of the screw is ensured. In one possible design, the screw is sleeved with a needle bearing, the lower end of the needle bearing is abutted against the inner boss, and the upper end of the needle bearing is axially locked through a snap spring. The needle roller bearing is used for bearing radial force generated in the rotation process of the screw rod, the needle roller bearing is matched with the end face bearing to realize omnibearing support of the screw rod, and the setting of the snap spring can axially limit the needle roller bearing to prevent the needle roller bearing from axial movement. In one possible design, the flexible disk further comprises a driver coupled to the screw for driving the screw to rotate abo