Device for winding carbon fiber end hoop on motor winding rotor
By directly wrapping the carbon fiber end hoop on the motor winding rotor, using the support frame and guide wheel set of the strapless sling machine, the problems of complex production process of the carbon fiber end hoop and unreliable coil fixation are solved, and the carbon fiber and coil are realized Close contact improves the operating safety and manufacturing efficiency of the motor.
Patent Information
- Application Number
- CN202420695017.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-07
AI Technical Summary
The optically fixed weft-free strap at the end of the existing motor winding rotor cannot meet the high load requirements. The production process of carbon fiber end hoops is complicated and difficult to process, which can easily damage the coil insulation material. The unstable coil during the set process may lead to motor operation failure.
Design a device for winding the carbon fiber end hoop for motor winding rotor, and use the support frame, carbon fiber wire disk, rubber wheel and guide wheel set on the sliding table of the weftless strap machine to transfer the carbon fiber wire through the wire guide plate and guide wheel set. Wrap directly on the winding rotor, and place glue grooves at the lower end of the rubber wheel to cure the resin to ensure that the carbon fiber wire is always in a tension state.
It reduces the individual processing cost of carbon fiber end hoops, shortens the manufacturing cycle, ensures complete contact between the carbon fiber and the coil, avoids loosening of the coil, and improves the operating safety of the motor.
Smart Images
Figure CN222234628U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rotor end hoop, and in particular relates to a device for winding a motor winding rotor with a carbon fiber end hoop. Background Art
[0002] In the motor industry, the trend of high-density energy conversion in motor design has become a trend, that is, the output power of a single motor is getting larger and larger, but the size is getting smaller and smaller. As the motor structure becomes more and more compact, the material load on the motor structure is getting larger and larger. Simply fixing the non-weft belt at the end of the motor winding rotor can no longer meet the load requirements. Therefore, in order to meet the high load requirements of the motor, carbon fiber materials with light weight, high strength and high modulus are used to replace the non-weft belt.
[0003] At present, many motor manufacturers adopt the method of winding, drying, demoulding and processing carbon fiber end hoops into parts separately. Then, they are put on the end of the winding rotor to tighten the coil. The production process of carbon fiber end hoops is many, the processing size precision is high, and the carbon fiber dust generated is easy to harm the health of workers and pollute the environment. Due to the irregular shape of the winding rotor coil end, it is difficult to operate when putting on the carbon fiber end hoop, and it is easy to damage the coil insulation material. When the rotor end is put in, it is inevitable that some coils are not close to the inner circle of the end hoop, the coil is not tightened, and there is a situation where the coil is not constrained. When the motor is running, the coil that is not tightened will deform under the action of centrifugal force, and the insulation material will be damaged, affecting the safe operation of the motor. For this reason, the carbon fiber end hoop is directly wound on the rotor, and the end hoop is formed after heating and curing. Reduce the difficulty of fitting and processing the carbon fiber weft end hoop. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a device for winding a carbon fiber end hoop around a motor winding rotor, a support frame is fixed on a slide table of a weftless belt hoop making machine, a carbon fiber drum, a rubber wheel and a guide wheel group are fixed on the support frame, a wire guide plate is also fixed between the carbon fiber drum and the rubber wheel, the carbon fiber filaments on the carbon fiber drum pass through the wire guide plate, the rubber wheel and the guide wheel group in sequence and are wound around a winding rotor, and the winding rotor is installed on a rotating mechanism of the weftless belt hoop making machine.
[0005] Furthermore, the support frame includes a first support frame and a second support frame, the first support frame fixedly supports the carbon fiber drum, and the second support frame fixedly supports the rubber wheel and the guide wheel group.
[0006] Furthermore, the first support frame includes two support rods, the two support rods are arranged on the same straight line, the support rod close to the wire guide plate is lower than the support rod far away from the wire guide plate, and a carbon fiber coil connecting rod is connected between the two support rods.
[0007] Furthermore, a plurality of the carbon fiber drums are provided, and the plurality of the carbon fiber drums are evenly spaced and fixed on the carbon fiber drum connecting rod.
[0008] Preferably, the number of the carbon fiber bobbins is 4.
[0009] Furthermore, a rubber groove is provided at the lower end of the rubber wheel.
[0010] Furthermore, a first guide plate is fixedly arranged between the guide wheel groups, and a second guide plate is also arranged at one end of the guide wheel group close to the winding rotor.
[0011] Furthermore, the first guide plate is provided with a plurality of first wire guide grooves, the number of the first wire guide grooves is the same as the number of the carbon fiber drums, and the second guide plate is provided with only one second wire guide groove.
[0012] Furthermore, a plurality of third wire guide grooves are provided on the wire guide plate, and the number of the third wire guide grooves is the same as the number of the carbon fiber bobbins.
[0013] Preferably, the carbon fiber filaments passing through the wire guide plate first pass through a fixed wheel and then pass through the rubber wheel, and the lower end of the fixed wheel is lower than the bottom of the third wire guide groove.
[0014] Furthermore, the guide wheel group includes at least two guide wheels, and the centers of the guide wheels and the rubber wheels are on the same straight line.
[0015] Preferably, three guide wheels are provided.
[0016] The utility model has the following beneficial effects:
[0017] 1. The utility model reduces the cost of processing the carbon fiber end hoop separately and shortens the manufacturing cycle of the winding rotor.
[0018] 2. The utility model directly winds the carbon fiber end hoop on the end of the winding rotor, thereby avoiding the processing of the inner circle of the end hoop, and the carbon fiber is in more complete contact with the coil, thereby avoiding the looseness of the coil and thus avoiding failure during the operation of the motor.
[0019] 3. The device for winding the carbon fiber end hoop around the motor winding rotor of the utility model reduces the steps of sleeve connection of the carbon fiber end hoop, and is directly wound on the winding rotor, and ensures that the carbon fiber can tighten the coil during the winding process of the winding rotor. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a front structural schematic diagram of a device for winding a motor winding rotor with a carbon fiber end hoop according to the utility model;
[0021] Figure 2It is a schematic diagram of the top view of the structure of a device for winding a motor winding rotor with a carbon fiber end hoop according to the utility model;
[0022] Figure 3 This is a schematic diagram of the structure of a guide wire plate in a device for winding a motor winding rotor with a carbon fiber end hoop according to the utility model;
[0023] Figure 4 It is a schematic diagram of the side cross-sectional structure of a guide plate of a device for winding a motor winding rotor with a carbon fiber end hoop according to the utility model;
[0024] Figure 5 It is a structural schematic diagram of a first guide plate of a device for winding a motor winding rotor around a carbon fiber end hoop of the utility model;
[0025] Figure 6 The utility model is a schematic structural diagram of a second guide plate of a device for winding a motor winding rotor around a carbon fiber end hoop.
[0026] Among them, 1-winding rotor; 2-second guide plate; 3-guide wheel; 4-first guide plate; 5-rubber wheel; 6-fixed wheel; 7-wire guide plate; 8-carbon fiber reel; 9-first support frame; 10-weftless belt hoop machine slide; 11-second support frame; 12-rubber groove; 21-second wire guide groove; 41-first wire guide groove; 71-third wire guide groove. DETAILED DESCRIPTION
[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0028] According to the embodiment of the utility model, in combination with the attached Figure 1-2 As shown, the utility model is a device for winding a carbon fiber end hoop around a motor winding rotor, wherein a first support frame 9 and a second support frame 11 are fixed on a slide 10 of a weftless belt hoop making machine, wherein the first support frame 9 fixedly supports a carbon fiber drum 8, and the second support frame 11 fixedly supports a rubber wheel 5 and a guide wheel group, and a wire guide plate 7 is fixedly arranged between the carbon fiber drum 8 and the rubber wheel 5, a first guide plate 4 is fixedly arranged between the guide wheel groups, and a second guide plate 2 is also arranged at one end of the guide wheel group close to the winding rotor 1, and the carbon fiber filaments on the carbon fiber drum 8 are wound around the winding rotor 1 after passing through the wire guide plate 7, the rubber wheel 5, the first guide plate 4, the guide wheel group and the second guide plate 2 in sequence, and the winding rotor 1 is installed on the rotating mechanism of the weftless belt hoop making machine.
[0029] According to the embodiment of the utility model, the first support frame 9 is not only used to fix and support the carbon fiber reel 8, but also can be a tension frame through the first support frame 9. The tension of the carbon fiber reel 8 can be adjusted by adjusting the adjusting nut on the first support frame 9, so that the carbon fiber filaments on each carbon fiber reel 8 are in a tensioned state. Moreover, in order to make the carbon fiber filaments on the carbon fiber reel 8 in a tensioned state when passing through the rubber wheel 5, a fixed wheel 6 is also provided between the wire guide plate 7 and the rubber wheel 5. The carbon fiber filaments passing through the wire guide plate 7 first pass through the fixed wheel 6 and then pass through the rubber wheel 5. The lower end of the fixed wheel 6 is lower than the bottom of the third wire guide groove 71, and the purpose is also to keep the carbon fiber filaments in a tensioned state.
[0030] According to the embodiments of the present utility model, Figure 3-6 As shown, the first support frame 11 includes two support rods, and the two support rods are arranged on the same straight line. The support rod close to the wire guide plate 7 is lower than the support rod far away from the wire guide plate, and a carbon fiber reel connecting rod is connected between the two support rods. There are multiple carbon fiber reels 8, and the multiple carbon fiber reels 8 are evenly spaced and fixed on the carbon fiber reel connecting rod, the purpose of which is to prevent the carbon fiber filaments from interfering with each other when the carbon fiber reels 8 are released, and the structure is more compact. When the number of the carbon fiber reels 8 is 4, four third wire guide grooves 71 are correspondingly arranged on the wire guide plate 7, four first wire guide grooves 41 are correspondingly arranged on the first guide plate 4, and only one second wire guide groove 21 is arranged on the second guide plate 2.
[0031] According to an embodiment of the utility model, a rubber groove 12 is provided at the lower end of the rubber wheel 5, and curing resin is added into the rubber groove 12. The carbon fiber filaments are pulled by the rotating mechanism of the weftless belt hoop machine, and the rubber wheel 5 is in a rotating state. When the carbon fiber filaments pass through the rubber wheel 5, the outer circle of the lower end of the rubber wheel 5 passes through the rubber groove, and the curing resin will stick to the carbon fiber filaments during the rotation process. Under the extrusion action of multiple guide wheels 3, the carbon fiber filaments will infiltrate the curing resin into the carbon fiber filaments.
[0032] According to an embodiment of the utility model, the first guide plate 4 is provided with a plurality of first wire guide grooves 41, the number of which is the same as the number of the carbon fiber drums 8, and the second guide plate 2 is provided with only one second wire guide groove 21. The wire guide plate 7 is provided with a plurality of third wire guide grooves 71, the number of which is the same as the number of the carbon fiber drums 8.
[0033] According to an embodiment of the utility model, the guide wheel group includes at least two guide wheels 3, the centers of the guide wheels 3, the rubber wheel 5 and the fixed wheel 6 are on the same straight line, and the number of guide wheels 3 in the guide wheel group can be set according to actual conditions.
[0034] According to an embodiment of the utility model, the use process of the device for winding a motor winding rotor with a carbon fiber end hoop of the utility model is as follows: the carbon fiber filaments on the carbon fiber drum 8 are pulled by the rotating mechanism of the weft-free band hoop machine, and the carbon fiber filaments on the carbon fiber drum 8 from near to far from the guide wire plate 7 are respectively passed through the guide wire plate 7 as shown in FIG. Figure 3 The third wire guide groove 71 arranged from front to back as shown in the figure passes through the lower half outer circle of the fixed wheel 6, the upper half outer circle of the rubber wheel 5, the lower half outer circle of the first guide wheel in the guide wheel group, the first wire guide groove 41, the upper half outer circle of the second guide wheel in the guide wheel group, and the lower half outer circle of the third guide wheel in the guide wheel group. Figure 1 There are three guide wheels in the guide wheel group shown. Four carbon fiber filaments pass through the only second wire guide groove 21 to form a strand and then are wound on the winding rotor. When the carbon fiber filaments on the winding rotor 1 are wound to a set thickness, generally 7-15mm, preferably 7-8mm, a carbon fiber end hoop is formed after drying and curing.
[0035] According to the embodiment of the utility model, the winding rotor 1 drives the carbon fiber drum 8, the rubber wheel 5 and the guide wheel group to rotate under the traction of the rotating mechanism of the weft-free band hoop machine.
[0036] According to the embodiments of the utility model, the device of the utility model is suitable for various motors whose wound rotors need to be fixed by winding carbon fibers to fix the rotor coil ends. Its purpose is to fix the rotor ends of the wound-type motor rotor coils by winding carbon fibers.
[0037] According to an embodiment of the utility model, when winding carbon fiber filaments on the winding rotor 1, it is necessary to first wind a layer of weft-free tape on the winding rotor 1, and weft-free tape bosses of a certain thickness can be wound on both ends of the winding rotor 1, thereby fixing the winding space of the carbon fiber filaments and isolating the contact between the carbon fiber filaments and the winding rotor 1.
[0038] According to the embodiments of the utility model, the utility model solves the problem that the carbon fiber end hoop has many separate production processes and high processing size requirements, and at the same time reduces the difficulty of installing the carbon fiber end hoop, avoiding the problem that individual coils are not firmly fixed. It avoids the problem that when the motor is running, the coil that is not tightened will be deformed under the action of centrifugal force, the insulation material will be damaged, and then the safe operation of the motor will be affected.
[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.
Claims
1. A device for winding a motor rotor with a carbon fiber end hoop, characterized in that: A support frame is fixed on the slide of the weftless belt hoop machine. A carbon fiber drum, a rubber wheel and a guide wheel group are fixed on the support frame, and a wire guide plate is fixedly arranged between the carbon fiber drum and the rubber wheel. The carbon fiber filaments on the carbon fiber drum are wound on the winding rotor after passing through the wire guide plate, the rubber wheel and the guide wheel group in sequence. The winding rotor is installed on the rotating mechanism of the weftless belt hoop machine. A rubber groove is arranged at the lower end of the rubber wheel, a first guide plate is fixedly arranged between the guide wheel groups, and a second guide plate is also arranged at one end of the guide wheel group close to the winding rotor.
2. The device for winding a motor winding rotor around a carbon fiber end hoop according to claim 1, characterized in that: The support frame includes a first support frame and a second support frame, the first support frame fixedly supports the carbon fiber drum, and the second support frame fixedly supports the rubber wheel and the guide wheel group.
3. The device for winding a motor winding rotor with a carbon fiber end hoop according to claim 2, characterized in that: The first support frame includes two support rods, which are arranged on the same straight line. The support rod close to the wire guide plate is lower than the support rod far away from the wire guide plate. A carbon fiber coil connecting rod is connected between the two support rods.
4. The device for winding a motor winding rotor with a carbon fiber end hoop according to claim 3, characterized in that: A plurality of the carbon fiber drums are provided, and the plurality of the carbon fiber drums are evenly spaced and fixed on the carbon fiber drum connecting rod.
5. The device for winding a motor rotor around a carbon fiber end hoop according to claim 1, characterized in that: The first guide plate is provided with a plurality of first wire guide grooves, and the number of the first wire guide grooves is the same as the number of the carbon fiber drums. The second guide plate is provided with only one second wire guiding groove.
6. The device for winding a motor rotor around a carbon fiber end hoop according to claim 1, characterized in that: A plurality of third wire guide grooves are arranged on the wire guide plate, and the number of the third wire guide grooves is the same as the number of the carbon fiber bobbins.
7. The device for winding a motor rotor with a carbon fiber end hoop according to claim 6, characterized in that: The carbon fiber filaments passing through the wire guide plate first pass through the fixed wheel and then pass through the rubber wheel, and the lower end of the fixed wheel is lower than the bottom of the third wire guide groove.
8. The device for winding a motor rotor around a carbon fiber end hoop according to claim 1, characterized in that: The guide wheel group includes at least two guide wheels, and the centers of the guide wheels and the rubber wheels are on the same straight line.