Chamfering tool for outer rotor fan stator core
By using a chamfering fixture driven by a hydraulic cylinder and a motor, the problems of cumbersome clamping and difficult alignment in existing devices have been solved, enabling efficient and precise chamfering of the stator core.
Patent Information
- Application Number
- CN202422532998.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing equipment is cumbersome and difficult to align quickly and accurately when clamping the stator core, which affects processing efficiency.
The chamfering fixture, driven by a hydraulic cylinder and a motor, includes a clamping plate, a chamfering disc, and a transmission mechanism, which enables automatic clamping and rotation of the stator core, simplifying the operation process.
It improves the clamping efficiency and machining accuracy of stator cores, simplifies the operation process, and enhances machining efficiency.
Smart Images

Figure CN223455190U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fan stator core processing, in particular to a chamfering tool for an outer rotor fan stator core. Background Art
[0002] The stator core is an important component of the stator and the main component of the motor magnetic circuit. It is composed of fan-shaped pieces, ventilation slot pieces, positioning ribs, upper and lower tooth pressure plates, tension bolts and support plates. The stator core is punched into fan-shaped pieces with silicon steel sheets and stacked on the positioning ribs. The positioning ribs are welded to the base ring plate through the support plate, and the core is pressed into a whole by tension bolts through the upper and lower tooth pressure plates. The stator core is also the part where the winding is placed. When the generator is running, the stator core will be subjected to the combined effects of mechanical force, thermal stress and electromagnetic force. Before the stator core is put into use, the two end faces of the stator core need to be chamfered.
[0003] Patent publication number CN210587491U discloses a chamfering device for a stator core, comprising a support plate and a mounting box. The upper end face of the support plate is provided with a first motor and a second motor, sequentially arranged from left to right. The right end face of the first motor is connected to an electric telescopic rod, the right side of which is connected to a mounting block. Through-body bolts are symmetrically threaded onto the front and rear ends of the mounting block. A connecting rod is symmetrically connected to the interior of the mounting block, the right side of which is connected to an arc-shaped clamping plate. The left end face of the second motor is connected to a rotating shaft, the left side of which is connected to a chamfering groove. The lower end face of the mounting block is welded to the support rod, and the mounting box is fixed to the front left portion of the support plate. By providing a chamfering groove, an arc-shaped clamping plate, a first motor, a second motor, a support rod, and a PLC controller structure, the present invention solves the problem of inaccurate stator core chamfering and the risk of injury when manually cutting or forging the stator core.
[0004] During use, the above-mentioned device needs to manually rotate the through-bolts to drive the arc-shaped clamping plate to move and clamp the stator core. The clamping process is cumbersome and it is difficult to quickly and accurately align the stator core with the chamfered groove, which affects the processing efficiency. Therefore, to address the above problems, a chamfering tool for the stator core of an external rotor fan is proposed. Utility Model Content
[0005] In order to make up for the shortcomings of the existing technology and solve the problem that the existing device needs to manually rotate the through-bolt during use to drive the arc-shaped clamping plate to move and clamp the stator core, the clamping process is cumbersome, and it is difficult to quickly and accurately align the stator core with the chamfered groove, which affects the processing efficiency, the utility model proposes a chamfering tool for the stator core of an external rotor fan.
[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of chamfer tool for outer rotor fan stator core of the utility model, including bottom plate, one side symmetrical fixed mounting of bottom plate top has side plate, two sides The side plate opposite side edge is equipped with mounting plate, two sides The hydraulic cylinder one of mounting plate opposite side wall center is fixedly installed, the telescopic end of two sides The hydraulic cylinder one is respectively fixedly installed with connecting plate, the side edge fixed connection of connecting plate is clamped plate;The other side fixed mounting of bottom plate top is equipped with support frame, the fixed plate is fixedly connected on the top side wall of support frame, the hydraulic cylinder two is fixedly installed on the fixed plate, the telescopic end of hydraulic cylinder two is towards two sides The middle position of clamped plate, the hydraulic cylinder two telescopic end is fixedly installed with movable plate, the fixed plate is fixedly installed with motor two on the side wall of movable plate, the output shaft of motor two is fixedly installed with chamfer disc.
[0007] Preferably, the clamped plate is provided as a semicircular arc.
[0008] Preferably, two sides The mounting plate opposite side wall center is fixedly installed with mounting shaft, the mounting shaft is penetrated and rotationally installed on side plate, the end of the mounting shaft extending to the outside of the mounting plate is fixedly installed with transmission wheel one, two sides The rotationally installed shaft between lower part of side plate, the transmission wheel two is fixedly installed on the end of the rotationally extending shaft to the outside of the mounting plate, the transmission wheel one and transmission wheel two are transmissionally connected through transmission belt, the motor one is fixedly installed on the bottom plate, the rotationally extending shaft one end is coaxially fixedly connected on the output shaft of motor one.
[0009] Preferably, the mounting plate side edge two sides symmetrical fixed installation has guide rod, the both ends of connecting plate are respectively slidably sleeved on guide rod.
[0010] Preferably, the support frame is provided as L type, and the top of the support frame is horizontal.
[0011] Preferably, the top of the support frame is fixedly connected with guide rails on both sides, the bottom of the movable plate is fixedly connected with sliding blocks on both sides, the sliding blocks are matched with the guide rails, and the sliding blocks are slidably arranged in the guide rails.
[0012] Preferably, the bottom of the bottom plate is fixedly installed with anti-skid pads at four corners.
[0013] The utility model discloses the beneficial effect is:
[0014] 1. The utility model discloses a mounting plate, hydraulic cylinder one, connecting plate, clamped plate and other structures are set up to clamp and fix two sides of fan stator core simultaneously, improve clamping efficiency, and installation position is more accurate, set up hydraulic cylinder two, movable plate, chamfer disc and other structures to chamfer the end of fan stator core quickly, simple operation, higher processing efficiency.
[0015] 2. The utility model discloses a motor two, shaft, transmission wheel no. 1, transmission belt, transmission wheel no. 2, installation shaft and other structures are set up, and the shaft 9 is rotated through motor no. 1 10, and then transmission wheel no. 2 17 is rotated, and then the installation shaft 3 is rotated through transmission wheel no. 2 17, transmission belt 12 and transmission wheel no. 1 11 cooperation, and then can drive mounting plate 4 rotation, make mounting plate 4 rotate 180 degrees, and then can rotate the fan stator core simultaneously, to make the other end of fan stator core towards chamfering disc 19, like this is convenient to chamfer processing the both ends of fan stator core, need not after the fan stator core is dismantled and is adjusted to turn the direction and is installed again, can process the both ends of fan stator core, simple operation has improved the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, and for ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying the creative labor.
[0017] Figure 1 It is the overall structure schematic diagram of example one;
[0018] Figure 2 It is another angle structure schematic diagram of example one;
[0019] Figure 3 It is the partial sectional view of example one;
[0020] Figure 4 It is the side view of example one; Figure 3 It is the structure enlarged schematic diagram of A in example one;
[0021] Figure 5 It is the side view of example one.
[0022] In the drawing: 1, bottom plate;2, side plate;3, installation shaft;4, mounting plate;5, hydraulic cylinder no. 1;6, guide rod;7, connecting plate;8, clamping plate;9, shaft;10, motor no. 1;11, transmission wheel no. 1;12, transmission belt;13, support frame;14, fixed plate;15, hydraulic cylinder no. 2;16, movable plate;17, transmission wheel no. 2;18, motor no. 2;19, chamfering disc;20, guide rail;21, sliding block;22, non-slip pad. DETAILED DESCRIPTION
[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0024] Embodiment one
[0025] Please refer to Figures 1-5 As shown in FIG. 1, a chamfering tool for an outer rotor fan stator core includes a bottom plate 1, a side plate 2 is symmetrically fixed and installed on one side of the top of the bottom plate 1, an installation plate 4 is installed on the opposite side of the side plate 2, a hydraulic cylinder one 5 is fixed and installed on the center of the opposite side wall of the installation plate 4, a connecting plate 7 is fixed and installed on the telescopic end of the hydraulic cylinder one 5, and a clamping plate 8 is fixedly connected to the side of the connecting plate 7. A support frame 13 is fixed and installed on the other side of the top of the bottom plate 1, a fixed plate 14 is fixedly connected to the top side wall of the support frame 13, a hydraulic cylinder two 15 is fixedly installed on the fixed plate 14, the telescopic end of the hydraulic cylinder two 15 is towards the middle position of the clamping plate 8, an activity plate 16 is fixedly installed on the telescopic end of the hydraulic cylinder two 15, a motor two 18 is fixedly installed on the side wall of the activity plate 16, and a chamfering disc 19 is fixedly installed on the output shaft of the motor two 18. During work, the fan stator core is placed in the middle position of the clamping plate 8, the clamping plate 8 is pushed to the middle by the hydraulic cylinder one 5, the fan stator core is clamped and fixed, then the hydraulic cylinder two 15 is started, the activity plate 16 and the motor two 18 are pushed to move towards the core by the hydraulic cylinder two 15, the chamfering disc 19 is contacted with the side of the core, the chamfering disc 19 is rotated by the motor two 18, the chamfering of the side of the core is completed, and the motor two 18 and the chamfering disc 19 are slowly advanced by the hydraulic cylinder two 15, so that the chamfering work is completed.
[0026] The clamping plate 8 is arranged in a semicircular arc shape, and the clamping plate 8 is attached to the side wall of the fan stator core during work, so as to clamp and fix the fan stator core.
[0027] The installation shaft 3 is fixedly installed at the center of the opposite side walls of the installation plate 4, penetrates and is rotatably installed on the side plate 2, and the transmission wheel one 11 is fixedly installed on the end of the installation shaft 3 extending to the outside of the installation plate 4; the rotating shaft 9 is rotatably installed between the lower parts of the two side plates 2, penetrates and extends to the outside of the installation plate 4 at the two ends, and the transmission wheel two 17 is fixedly installed on the end; the transmission wheel one 11 and the transmission wheel two 17 are drivingly connected through the transmission belt 12; the motor one 10 is fixedly installed on the bottom plate 1, and one end of the rotating shaft 9 is coaxially and fixedly connected to the output shaft of the motor one 10; during operation, the rotating shaft 9 is driven to rotate by the motor one 10, and then the transmission wheel two 17 is driven to rotate, and then the installation shaft 3 is driven to rotate through the cooperation of the transmission wheel two 17, the transmission belt 12 and the transmission wheel one 11, so that the installation plate 4 can be driven to rotate by 180 degrees, and then the fan stator core can be synchronously rotated by 180 degrees, so that the other end of the fan stator core faces the chamfering disc 19, so that the two ends of the fan stator core can be chamfered without disassembling, adjusting the direction and reassembling the fan stator core, and the two ends of the fan stator core can be machined, which is simple in operation and improves the machining efficiency.
[0028] The guide rod 6 is fixedly installed on the side edges of the installation plate 4 in a symmetrical manner, and the two ends of the connecting plate 7 are slidably sleeved on the guide rod 6; during operation, the guide rod 6 is arranged to limit the connecting plate 7, so that the movement of the connecting plate 7 is more stable.
[0029] The support frame 13 is arranged in an L shape, and the top of the support frame 13 is horizontal; during operation, the movable plate 16 can move horizontally along the top of the support frame 13.
[0030] The guide rails 20 are fixedly connected to the top of the support frame 13 in a symmetrical manner, the sliding blocks 21 are fixedly connected to the bottom of the movable plate 16, the sliding blocks 21 are matched with the guide rails 20, and the sliding blocks 21 are slidably arranged in the guide rails 20; during operation, the guide rails 20 and the sliding blocks 21 are matched to limit the movement direction of the movable plate 16, so that the movable plate 16 can only move linearly in the horizontal direction along the guide rails 20.
[0031] Embodiment two
[0032] Please refer to Figure 5 As another embodiment of the utility model, the anti-skid pads 22 are fixedly installed at the four corners of the bottom of the bottom plate 1 compared with the comparative embodiment one; during operation, the friction between the bottom plate 1 and the workbench surface is increased, so that the device can be stably placed on the workbench.
[0033] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0034] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A chamfering tool for a stator core of an outer-rotor fan, characterized by: The utility model relates to a kind of hydraulic cutting machine, including bottom plate (1), the side plate (2) is symmetrically fixedly installed on the top side of bottom plate (1), the mounting plate (4) is installed on the opposite side edge of two side plate (2), the hydraulic cylinder one (5) is fixedly installed on the opposite side wall center of two mounting plate (4), the connecting plate (7) is respectively fixedly installed on the telescopic end of two hydraulic cylinder one (5), the side edge of connecting plate (7) is fixedly connected with clamping plate (8);The support frame (13) is fixedly installed on the other side of the top of bottom plate (1), the fixed plate (14) is fixedly connected on the top side wall of support frame (13), the hydraulic cylinder two (15) is fixedly installed on the fixed plate (14), the telescopic end of hydraulic cylinder two (15) is towards the middle position of two clamping plate (8), the movable plate (16) is fixedly installed on the telescopic end of hydraulic cylinder two (15), the motor two (18) is fixedly installed on the side wall of movable plate (16), the chamfering disc (19) is fixedly installed on the output shaft of motor two (18); The mounting shaft (3) is fixedly installed on the opposite side wall center of two mounting plate (4), the mounting shaft (3) is rotatably installed in side plate (2), the transmission wheel one (11) is fixedly installed on the end portion of mounting shaft (3) extending to the outside of mounting plate (4), the rotating shaft (9) is rotatably installed between the lower portion of two side plate (2), the transmission wheel two (17) is fixedly installed on the end portion of rotating shaft (9) extending to the outside of mounting plate (4) respectively, the transmission wheel one (11) and transmission wheel two (17) are drivenly connected by transmission belt (12), the motor one (10) is fixedly installed on bottom plate (1), the rotating shaft (9) is coaxially fixedly connected on the output shaft of motor one (10) one end.
2. A chamfering tool for a stator core of an outer-rotor fan according to claim 1, characterized in that: The clamping plate (8) is arranged as a semicircular arc.
3. A chamfering tool for a stator core of an outer-rotor fan according to claim 2, characterized in that: The guide rod (6) is fixedly installed on the side edge of mounting plate (4) symmetrically, and the two ends of connecting plate (7) are respectively slidably sleeved on guide rod (6).
4. A chamfering tool for a stator core of an outer-rotor fan according to claim 3, characterized in that: The support frame (13) is arranged as L-shaped, and the top of support frame (13) is horizontally arranged.
5. A chamfering tool for a stator core of an outer-rotor fan according to claim 4, characterized in that: The guide rail (20) is fixedly connected on the top of support frame (13) symmetrically, the slide block (21) is fixedly connected on the bottom of movable plate (16) symmetrically, the slide block (21) is matched with guide rail (20), and the slide block (21) is slidably arranged in guide rail (20).
6. A chamfering tool for a stator core of an outer-rotor fan according to claim 5, characterized in that: The antiskid pad (22) is fixedly installed on the bottom of bottom plate (1) at four corners.
Citation Information
Patent Citations
Chamfering device for stator core
CN210587491U