CN214644910U - Wire cutting machine is with passing wheel device and wire cutting equipment - Google Patents

Wire cutting machine is with passing wheel device and wire cutting equipment Download PDF

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Publication number
CN214644910U
CN214644910U CN202022364010.7U CN202022364010U CN214644910U CN 214644910 U CN214644910 U CN 214644910U CN 202022364010 U CN202022364010 U CN 202022364010U CN 214644910 U CN214644910 U CN 214644910U
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rotor
stator
magnetic
wheel
magnetic part
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Chinese (zh)
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李�杰
王猛
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Longi Green Energy Technology Co Ltd
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Longi Green Energy Technology Co Ltd
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Abstract

The embodiment of the utility model provides a wire cut electrical discharge machining is with passing round device and wire cut electrical discharge machining equipment, the passing round device is used for transporting the line of cut, a serial communication port, the passing round device includes: the rotor is sleeved outside the stator, and a gap is formed between the rotor and the stator along the radial direction of the rotor; a groove is formed in one side, away from the stator, of the rotor and used for accommodating a cutting line; the rotor is provided with a first magnetic part, the stator is provided with a second magnetic part, and the first magnetic part and the second magnetic part have the same magnetism, so that the gap is kept between the rotor and the stator under the condition that the rotor rotates relative to the stator. The embodiment of the utility model provides an in, cancelled the bearing, do not need the physical contact between rotor and the stator, can reduce the friction of passing a round device at the gyration in-process, reduce the inertia of taking turns the device.

Description

Wire cutting machine is with passing wheel device and wire cutting equipment
Technical Field
The utility model relates to a solar photovoltaic technology field especially relates to a wire cut electrical discharge machining is with passing a round device and wire cut electrical discharge machining equipment.
Background
At present, the wire cutting technology is widely applied to the production of crystal slices in the photovoltaic industry due to the characteristics of high production efficiency, low processing cost, high processing precision and the like.
In the existing wire cutting technology, a wire wheel, a third wheel and a main roller are matched with each other to drive a diamond wire to move back and forth to cut a material, and the third wheel serves as a driven wheel and rotates under the drive of the diamond wire. However, in the process of transporting the cutting wire by the passing wheel, the passing wheel device is sleeved on the outer ring of the bearing to serve as a rotor, the inner ring of the bearing serves as a stator, and due to the physical contact between the bearing and the passing wheel, the passing wheel is subjected to larger friction in the rotating process, the service life is shortened, the tension of the cutting wire is large, and the wire is easy to break; and the mass of the bearing and the idler wheel is large, so that the rotational inertia is large.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the embodiments of the present invention are provided to provide a third wheel device for a wire cutting machine and a corresponding wire cutting apparatus, which overcome the above problems or at least partially solve the above problems.
In order to solve the above problem, the embodiment of the utility model discloses a wire cut electrical discharge machining is with passing round device for the transportation line of cut, it includes to pass round device: a stator and a rotor, wherein,
the rotor is sleeved outside the stator, and a gap is formed between the rotor and the stator along the radial direction of the rotor;
a groove is formed in one side, away from the stator, of the rotor and used for accommodating a cutting line;
the rotor is provided with a first magnetic part, the stator is provided with a second magnetic part, and the first magnetic part and the second magnetic part have the same magnetism, so that the gap is kept between the rotor and the stator under the condition that the rotor rotates relative to the stator.
Optionally, the first magnetic member is disposed on an inner surface of the rotor close to the stator, the second magnetic member is disposed on an outer surface of the stator close to the rotor, and the first magnetic member and the second magnetic member are disposed oppositely.
Optionally, the wheel passing device further comprises: the wheel discs and the stator are coaxially arranged, and the two wheel discs are symmetrically fixed on two sides of the stator;
each wheel disc at least partially protrudes out of the rotor, the part of the wheel disc protruding out of the rotor is a first part, and the outer diameter of the first part is smaller than the inner diameter of the rotor;
the first part is provided with a third magnetic part, and the third magnetic part and the first magnetic part are the same in magnetism.
Optionally, each of the discs includes first and second oppositely disposed surfaces, and a third surface disposed between the first and second surfaces;
the first surface is fixed on the stator and sleeved in the rotor, the second surface protrudes out of the rotor along the axial direction of the rotor, and at least part of the third surface protrudes out of the rotor;
the third magnetic part is arranged on the third surface.
Optionally, the first magnetic member is an annular magnetic member fixed in the rotor;
the outer side wall of the annular magnetic part is fixed on the inner wall of the rotor, and the inner side wall of the annular magnetic part comprises: the diameter of the inner wall with the variable diameter is gradually increased along the direction from the inner wall with the constant diameter to the inner wall with the variable diameter;
the outer diameter of the third surface of the wheel disc increases in sequence along the direction from the first surface to the second surface of the wheel disc;
the equal-diameter inner wall of the annular magnetic part is opposite to the outer side wall of the stator, and the variable-diameter inner wall of the annular magnetic part is corresponding to the third surface of the wheel disc.
Optionally, the first magnetic part is an annular magnetic structure or a plurality of magnetic parts uniformly distributed along the circumferential direction of the rotor;
the second magnetic part is of an annular magnetic structure or a plurality of magnetic parts which are uniformly distributed along the circumferential direction of the stator;
the third magnetic part is of an annular magnetic structure or a plurality of magnetic parts which are uniformly distributed along the circumferential direction of the wheel disc.
Optionally, the first magnetic member, the second magnetic member, and the third magnetic member are electromagnetic members or ferromagnetic members.
Optionally, the material of the rotor is selected from: at least one of polyethylene, C-C composite material and fiber.
Optionally, a position sensor is disposed in the groove.
On the other hand, the utility model also provides a wire cutting equipment, including above-mentioned third wheel device.
The embodiment of the utility model provides a include following advantage:
the embodiment of the utility model provides an in, the rotor cover is established outside the stator, and rotor and stator have the clearance along the radial direction of rotor, and the magnetism of the first magnetic part on the rotor and the second magnetic part on the stator is the same, produces the effort of mutual repulsion between first magnetic part and the second magnetic part for can keep between rotor and the stator the clearance, the position of rotor suspension on the stator can be fixed, and one side that the stator was kept away from to the rotor is equipped with the recess, and the recess can be used for supporting and fixing a position the line of cut again, and like this, the rotor is rotating around the stator and carries the in-process of line of cut, does not need physical contact between rotor and the stator, can reduce the friction of passing wheel device in gyration process, prolongs the life-span of passing wheel device. And the embodiment of the utility model provides an in cancel the bearing, can reduce the inertia of passing a round of device.
Drawings
Fig. 1 is a schematic structural view of a wheel passing device of the present invention;
fig. 2 is a cross-sectional view of a wheel passing apparatus of the present invention;
fig. 3 is a first schematic view of a wheel passing device according to the present invention;
fig. 4 is a schematic view of a second split structure of a third wheel device according to the present invention;
fig. 5 is a third schematic view of a disassembled structure of a third wheel passing device of the present invention;
description of the drawings:
1-rotor, 11-first magnetic part, 12-groove, 2-stator, 22-first through hole, 3-wheel disc, 31-third magnetic part, 32-second through hole, 4-fastener, a-gap.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
In practical application, a wheel passing device is required to be arranged in the wire cutting machine, and the cutting wire is transported to slice the crystal.
Referring to fig. 1, which shows a schematic structural diagram of a passing wheel device of the present invention, referring to fig. 2, which shows a cross-sectional view of a passing wheel device of the present invention, as shown in fig. 1 and 2, the present invention provides a passing wheel device for a wire cutting machine, which can be used for transporting cutting wires, and specifically, the passing wheel device can include a stator 2 and a rotor 1, wherein the rotor 1 can be sleeved outside the stator 2, and the rotor 1 and the stator 2 can have a gap a along the radial direction of the rotor 1; the side of the rotor 1 away from the stator 2 can be provided with a groove 12, and the groove 12 can be used for accommodating a cutting line; the rotor 1 may be provided with a first magnetic member 11, the stator 2 may be provided with a second magnetic member, and the first magnetic member 11 and the second magnetic member may have the same magnetism, so that a gap is maintained between the rotor 1 and the stator 2 when the rotor 1 rotates relative to the stator 2.
The embodiment of the utility model provides an in, 1 cover of rotor is established outside stator 2, and rotor 1 and stator 2 have clearance A along rotor 1's radial direction, and the magnetism of the first magnetic part 11 on rotor 1 and the second magnetic part on the stator 2 is the same, produce the effort of mutual repulsion between first magnetic part 11 and the second magnetic part, make and to keep clearance A between rotor 1 and the stator 2, make rotor 1 suspend the position on stator 2 can be fixed, and one side that stator 2 was kept away from to rotor 1 is equipped with recess 12, recess 12 can be used for supporting and location line of cut again, and thus, rotor 1 is rotating around stator 2 and carries the in-process of line of cut, do not need physical contact between rotor 1 and the stator 2, can reduce the friction of passing wheel device in gyration, the life-span of extension passing wheel device. And the embodiment of the utility model provides an in cancel the bearing, can reduce the inertia of passing a round of device.
Preferably, stator 2 can be solid circular structure, and rotor 1 can be the ring structure, sets up first magnetic part 11 along the circumference of rotor 1, sets up the second magnetic part along the circumference of stator 2 for the structure of passing wheel device is simpler, to the field person, can be according to actual demand suitable adjustment stator 2's shape, the embodiment of the utility model provides a do not specifically limit.
Referring to fig. 3, showing a first schematic view of a split structure of a third wheel device of the present invention, as shown in fig. 3, the first magnetic member 11 may be disposed on the inner surface of the rotor 1 close to the stator 2, the second magnetic member may be disposed on the outer surface of the stator 2 close to the rotor 1, and the first magnetic member 11 and the second magnetic member may be disposed relatively.
The embodiment of the utility model provides an in, first magnetism spare 11 is established on the internal surface that rotor 1 is close to stator 2, and the second magnetism spare is established on stator 2 is close to the surface of rotor 1, and first magnetism spare 11 sets up with the second magnetism spare is relative for do not receive the influence of other structures between first magnetism spare 11 and the second magnetism spare, the effort of the mutual repulsion that produces between first magnetism spare 11 and the second magnetism spare is stronger, can improve the stability of rotor 1 suspension.
Optionally, the wheel passing device may further include: the two wheel discs 3, the wheel discs 3 and the stator 2 can be coaxially arranged, and the two wheel discs 3 can be symmetrically fixed on two sides of the stator 2; each disk 3 may at least partially protrude from the rotor 1, and the portion of the disk 3 protruding from the rotor 1 may be a first portion, and the outer diameter of the first portion may be smaller than the inner diameter of the rotor 1; the first portion may be provided with a third magnetic member 31, and the third magnetic member 31 may have the same magnetism as the first magnetic member 11.
The embodiment of the utility model provides an in, be provided with two rim plates 3 at stator 2's bilateral symmetry, two rim plates 3 can regard as casing protection stator 2's structure not to receive destruction, and rim plate 3 and the coaxial setting of stator 2 can improve the structural stability of passing a round of device. The first part of each wheel disc 3 is provided with a third magnetic part 31 with the same magnetism as the first magnetic part 11, so that mutual repulsion acting force is generated between the third magnetic part 31 and the first magnetic part 11, and the first part protrudes out of the rotor 1, and the outer diameter of the first part is smaller than the inner diameter of the rotor 1, so that a certain distance can be kept between each wheel disc 3 and the rotor 1 in the axial direction of the rotor 1, the two wheel discs 3 are symmetrically fixed on two sides of the stator 2, so that the two sides of the rotor 1 in the axial direction are subjected to the same mutual repulsion, the rotor 1 is positioned in the axial direction of the rotor, and the rotor 1 is prevented from being deviated in the axial direction of the rotor 1, therefore, the route of the cutting line in the transportation process is not easy to deviate, and the quality of wafer cutting can be prevented from being influenced.
Specifically, the stator 2 may be provided with a first through hole 22, the wheel disc 3 may be provided with a second through hole 32, and the first through hole 22 and the second through hole 32 may be sequentially penetrated by the fastening member 4 to fix the wheel disc 3 on the stator 2. Optionally, the first through hole 22 and the second through hole 32 may be threaded holes, and the fastening member 4 may be a bolt, or may also adopt riveting or other methods to fix the wheel disc 3 on the stator 2, the embodiment of the present invention is not limited specifically, and it should be noted that, for those skilled in the art, the fastening method that is convenient to detach is all within the protection scope of the present invention.
In practical applications, in the case that the third wheel device is used on a wire cutting device or a wire cutting device, the third wheel device can be fixed on the wire cutting device or the wire cutting device through the wheel disc 3.
Specifically, the wheel disc 3 may also be a solid circular structure, a solid square structure, a solid diamond structure, or the like, so that the wheel disc 3 may meet requirements in different environments, and the shape of the third magnetic member 31 may be matched with the shape of the wheel disc 3, so as to fixedly connect the third magnetic member 31 to the wheel disc 3.
Alternatively, each wheel disc 3 may include first and second oppositely disposed surfaces, and a third surface disposed between the first and second surfaces; the first surface can be fixed on the stator 2 and sleeved in the rotor 1, the second surface can protrude out of the rotor 1 along the axial direction of the rotor 1, and the third surface at least partially protrudes out of the rotor 1; the third magnetic member 31 may be disposed on the third surface.
The embodiment of the present invention provides a third magnetic member 31 is disposed on the third surface of the wheel disc 3, so that the third magnetic member 31 can be disposed opposite to the first magnetic member 11, and the repulsive force generated between the third magnetic member 31 and the first magnetic member 11 is stronger and more stable, because at least a portion of the third surface protrudes from the rotor 1, so that the repulsive force can be generated between the third magnetic member 31 and the second magnetic member in the axial direction of the rotor 1, and the rotor 1 can be better positioned in the axial direction of the rotor 1.
Referring to fig. 4, a second schematic view of a split structure of the third wheel apparatus of the present invention is shown, as shown in fig. 4, the first magnetic member 11 may be an annular magnetic member fixed in the rotor 1; the outer side wall of the annular magnetic member may be fixed to the inner wall of the rotor 1, and the inner side wall of the annular magnetic member may include: the diameters of the variable-diameter inner walls can be sequentially increased along the direction from the constant-diameter inner wall to the variable-diameter inner wall; the outer diameter of the third surface of the wheel disc 3 may be sequentially increased in the direction from the first surface to the second surface of the wheel disc 3; the constant diameter inner wall of the annular magnetic part can be arranged opposite to the outer side wall of the stator 2, and the variable diameter inner wall of the annular magnetic part can be arranged corresponding to the third surface of the wheel disc 3.
The embodiment of the utility model provides an in, first magnetism spare 11 is for fixing the annular magnetism spare in rotor 1, the lateral wall of annular magnetism spare is fixed on rotor 1's inner wall, the inside wall of annular magnetism spare includes the reducing inner wall of both sides, and the third surface of rim plate 3 corresponds the setting with the reducing inner wall, make the reducing inner wall of annular magnetism spare the same with the structure on the third surface of rim plate 3, because can produce mutual repulsion's effort between the third magnetism spare 31 on annular magnetism spare and the third surface, make and to keep fixed distance between rim plate 3 and the rotor 1, make the transport path of line of cut not produce the skew. Moreover, along the direction of the first surface to the second surface of rim plate 3, the external diameter of the third surface of rim plate 3 can increase progressively in proper order for the third surface of rim plate 3 is the inclined plane structure, can reduce the weight of rim plate 3, and then reduces the inertia of passing wheel device.
Specifically, the annular magnetic member may be a magnetic ring structure, or the annular magnetic member may include an annular structure and a plurality of small magnets, the plurality of small magnets may be embedded on an inner side wall of the annular structure, and the outer side wall of the annular structure, which is away from the small magnets, may be detachably fixed on an inner surface of the rotor 1 or welded on the inner surface of the rotor 1. Accordingly, the annular magnetic member and the third magnetic member 31 have the same magnetism and can generate mutually repulsive acting force, so that the physical contact between the rotor 1 and the wheel disc 3 can be avoided, and the friction force of the wheel passing device can be reduced.
Alternatively, the first magnetic member 11 may be an annular magnetic structure or a plurality of magnetic members uniformly distributed along the circumferential direction of the rotor 1; the second magnetic member may be an annular magnetic structure or a plurality of magnetic members uniformly distributed along the circumferential direction of the stator 2; third magnetic element 31 may be an annular magnetic structure or a plurality of magnetic elements uniformly distributed along the circumferential direction of disk 3.
The embodiment of the present invention provides an in, first magnetic part 11, second magnetic part, third magnetic part 31 can all be the magnetic part of annular magnetic structure or a plurality of dispersions, have improved the variety that first magnetic part 11, second magnetic part, third magnetic part 31 selected.
Referring to fig. 5, a third schematic view of the split structure of the third wheel passing device of the present invention is shown, as shown in fig. 5, the first magnetic member 11, the second magnetic member, and the third magnetic member 31 may be magnetic rings, so that the first magnetic member 11, the second magnetic member, and the third magnetic member 31 are simple in structure and convenient to fix. Or the first magnetic member 11, the second magnetic member, and the third magnetic member 31 may be a plurality of small magnets, so as to control the magnetic magnitude and the magnetic direction of the first magnetic member 11, the second magnetic member, and the third magnetic member 31 according to different requirements.
It should be noted that, in the embodiment of the present invention, the first magnetic member 11, the second magnetic member, and the third magnetic member 31 may be all small magnets; the first magnetic part 11 is a magnetic ring, and the second magnetic part and the third magnetic part 31 can be small magnets; or, the first magnetic member 11 may be a concave structure, and the second magnetic member and the third magnetic member 31 may be a convex structure, so that for those skilled in the art, the opposite surfaces have the same magnetism, and mutually repulsive acting forces are generated, so as to ensure that the opposite surfaces are not in contact and have a fixed distance, and low friction or frictionless rotation of the third wheel device is realized, which can be understood as being included in the protection scope of the present invention.
Alternatively, the first magnetic member 11, the second magnetic member, and the third magnetic member 31 may be electromagnetic members or ferromagnetic members. In practical application, the first magnetic member 11, the second magnetic member, and the third magnetic member 31 may be electromagnetic members, so that the magnetic force of the first magnetic member 11, the second magnetic member, and the third magnetic member 31 can be adjusted by adjusting the power; the first magnetic member 11, the second magnetic member and the third magnetic member 31 may also be ferromagnetic members, and the ferromagnetic members may generate mutually repulsive acting force without adding a power source, so that the structure of the wheel passing device may be simplified.
Specifically, the second magnetic member disposed on the stator 2 may be a permanent magnet, and when the second magnetic member is a permanent magnet, the passive magnetic suspension of the rotor 1 can be implemented. When the second magnetic part is a coil, a power supply can be connected, after the second magnetic part is electrified, the coil generates a magnetic field, the magnetic field can be the same as the magnetic field generated between the first magnetic parts 11 arranged on the rotor 1, and then mutual repulsion acting force is generated between the first magnetic parts and the second magnetic parts, so that the rotor 1 and the stator 2 keep a gap A in the radial direction of the rotor 1, the third magnetic part 31 can be a permanent magnet, mutual repulsion acting force is generated between the third magnetic part 31 and the first magnetic parts 11 arranged on the rotor 1, and the rotor 1 and the wheel disc 3 are controlled to keep a certain distance in the axial direction of the rotor 1. Preferably, when the position of the groove 12 on the rotor 1 is shifted, the position of the rotor 1 can be controlled to be unchanged by increasing or decreasing the current on the coil to generate magnetic fields with different strengths.
Alternatively, the material of the rotor 1 may be selected from: at least one of polyethylene, C-C composite material and fiber. In practical application, non-metallic materials such as polyethylene, C-C composite materials and fibers have light weight, so that the weight of the rotor 1 can be reduced, and the rotational inertia of the wheel passing device can be reduced.
Alternatively, a position sensor may be provided in the groove 12. In practical application, the position sensor arranged in the groove 12 can acquire the information whether the cutting line deviates at any time, so that the position of the cutting line can be adjusted in time, and the accuracy of the over-wheel device in conveying the cutting line is improved.
The embodiment of the utility model provides a third wheel device includes following advantage at least:
the embodiment of the utility model provides an in, the rotor cover is established outside the stator, and rotor and stator have the clearance along the radial direction of rotor, and the magnetism of the first magnetic part on the rotor and the second magnetic part on the stator is the same, produces the effort of mutual repulsion between first magnetic part and the second magnetic part for can keep between rotor and the stator the clearance, the position of rotor suspension on the stator can be fixed, and one side that the stator was kept away from to the rotor is equipped with the recess, and the recess can be used for supporting and fixing a position the line of cut again, and like this, the rotor is rotating around the stator and carries the in-process of line of cut, does not need physical contact between rotor and the stator, can reduce the friction of passing wheel device in gyration process, prolongs the life-span of passing wheel device. And the embodiment of the utility model provides an in cancel the bearing, can reduce the inertia of passing a round of device.
In a second aspect, the present invention further provides a wire cutting apparatus, which can specifically include the above-mentioned passing wheel device.
In practice, the wire cutting apparatus may comprise a support structure which may be used to support the wheel arrangement. The wire cutting apparatus may further comprise a drive to drive the cutting wire in motion.
The embodiment of the utility model provides a wire cutting equipment includes following advantage at least:
the embodiment of the utility model provides an in, the rotor cover is established outside the stator, and rotor and stator have the clearance along the radial direction of rotor, and the magnetism of the first magnetic part on the rotor and the second magnetic part on the stator is the same, produces the effort of mutual repulsion between first magnetic part and the second magnetic part for can keep between rotor and the stator the clearance, the position of rotor suspension on the stator can be fixed, and one side that the stator was kept away from to the rotor is equipped with the recess, and the recess can be used for supporting and fixing a position the line of cut again, and like this, the rotor is rotating around the stator and carries the in-process of line of cut, does not need physical contact between rotor and the stator, can reduce the friction of passing wheel device in gyration process, prolongs the life-span of passing wheel device. And the embodiment of the utility model provides an in cancel the bearing, can reduce the inertia of passing a round of device.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The wheel passing device for the wire cutting machine and the wire cutting equipment provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims (9)

1. A third wheel device for a wire cutting machine, used for transporting cutting wires, the third wheel device comprising: a stator and a rotor, wherein,
the rotor is sleeved outside the stator, and a gap is formed between the rotor and the stator along the radial direction of the rotor;
a groove is formed in one side, away from the stator, of the rotor and used for accommodating a cutting line;
the rotor is provided with a first magnetic part, the stator is provided with a second magnetic part, and the first magnetic part and the second magnetic part have the same magnetism, so that the gap is kept between the rotor and the stator under the condition that the rotor rotates relative to the stator.
2. A wheel apparatus according to claim 1, wherein the first magnetic member is provided on an inner surface of the rotor adjacent to the stator, the second magnetic member is provided on an outer surface of the stator adjacent to the rotor, and the first magnetic member and the second magnetic member are disposed in opposition to each other.
3. A wheel passing device according to claim 1, further comprising: the wheel discs and the stator are coaxially arranged, and the two wheel discs are symmetrically fixed on two sides of the stator;
each wheel disc at least partially protrudes out of the rotor, the part of the wheel disc protruding out of the rotor is a first part, and the outer diameter of the first part is smaller than the inner diameter of the rotor;
the first part is provided with a third magnetic part, and the third magnetic part and the first magnetic part are the same in magnetism.
4. A roller device according to claim 3, wherein each of the discs includes first and second oppositely disposed surfaces and a third surface disposed between the first and second surfaces;
the first surface is fixed on the stator and sleeved in the rotor, the second surface protrudes out of the rotor along the axial direction of the rotor, and at least part of the third surface protrudes out of the rotor;
the third magnetic part is arranged on the third surface.
5. A third wheel device according to claim 4, wherein the first magnetic member is an annular magnetic member fixed within the rotor;
the outer side wall of the annular magnetic part is fixed on the inner wall of the rotor, and the inner side wall of the annular magnetic part comprises: the diameter of the inner wall with the variable diameter is gradually increased along the direction from the inner wall with the constant diameter to the inner wall with the variable diameter;
the outer diameter of the third surface of the wheel disc increases in sequence along the direction from the first surface to the second surface of the wheel disc;
the equal-diameter inner wall of the annular magnetic part is opposite to the outer side wall of the stator, and the variable-diameter inner wall of the annular magnetic part is corresponding to the third surface of the wheel disc.
6. A wheel apparatus according to claim 3, wherein the first magnetic member is an annular magnetic structure or a plurality of magnetic members uniformly distributed along the circumferential direction of the rotor;
the second magnetic part is of an annular magnetic structure or a plurality of magnetic parts which are uniformly distributed along the circumferential direction of the stator;
the third magnetic part is of an annular magnetic structure or a plurality of magnetic parts which are uniformly distributed along the circumferential direction of the wheel disc.
7. A wheel apparatus according to claim 3, wherein the first magnetic member, the second magnetic member, and the third magnetic member are electromagnetic members or ferromagnetic members.
8. A roller device according to claim 1, wherein a position sensor is provided in the recess.
9. A wire cutting apparatus comprising the third wheel device for a wire cutting machine according to any one of claims 1 to 8.
CN202022364010.7U 2020-10-21 2020-10-21 Wire cutting machine is with passing wheel device and wire cutting equipment Active CN214644910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022364010.7U CN214644910U (en) 2020-10-21 2020-10-21 Wire cutting machine is with passing wheel device and wire cutting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022364010.7U CN214644910U (en) 2020-10-21 2020-10-21 Wire cutting machine is with passing wheel device and wire cutting equipment

Publications (1)

Publication Number Publication Date
CN214644910U true CN214644910U (en) 2021-11-09

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Application Number Title Priority Date Filing Date
CN202022364010.7U Active CN214644910U (en) 2020-10-21 2020-10-21 Wire cutting machine is with passing wheel device and wire cutting equipment

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