Stator rotating clamp
By designing a stator rotation fixture that integrates positioning monitoring and locking status feedback functions, the problem of inaccurate positioning during stator clamping is solved, achieving efficient compatibility and rapid clamping of stators of various specifications, thereby improving production efficiency and stability.
Patent Information
- Application Number
- CN202520146874.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing stator fixtures lack a positioning feedback mechanism, which leads to inaccurate positioning during stator clamping, affecting process quality and efficiency.
A stator rotation clamp was designed, comprising a support frame, an outer ring cover, a positioning module, a positioning detection module, and a clamping module. It employs components such as positioning pins and photoelectric switches to achieve real-time feedback on positioning monitoring and locking status, ensuring accurate stator positioning and stable clamping.
It achieves concentric positioning and locking of the stator, compatibility with multiple stator specifications, and quick component change clamping. It also has a positioning feedback mechanism, which improves production efficiency and operational stability.
Smart Images

Figure CN223790292U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor stator clamping technology, and in particular to a stator rotation clamp. Background Technology
[0002] The stator is an important part of the electric motor. Generally, the stator consists of the stator core 3, the stator windings 2, and the end plates 1, as shown in the attached diagram. Figure 1 As shown.
[0003] Current stator fixtures lack a positioning feedback mechanism during clamping, making it difficult for operators to accurately determine whether the stator has been precisely positioned. Therefore, sometimes the fixture begins clamping before the stator is fully positioned, which not only reduces clamping accuracy but may also adversely affect subsequent workpiece processing. In short, due to the lack of positioning feedback, existing stator fixtures may suffer from inaccurate positioning during clamping operations, thus affecting the overall process quality and efficiency. Summary of the Invention
[0004] According to an embodiment of the present invention, a stator rotation clamp is provided, comprising:
[0005] Base plate;
[0006] A support frame is installed on top of the base plate, and a support platform is provided on the inner wall of the support frame;
[0007] The outer ring cover is set on top of the support frame;
[0008] The positioning module is mounted on the support frame and is used to position the stator to be clamped.
[0009] The positioning detection module is located between the support frame and the outer ring cover, and is used to perform positioning detection on the stator to be clamped.
[0010] The clamping module is located between the support frame and the outer ring cover and is used to clamp the external stator.
[0011] Furthermore, the positioning module includes:
[0012] Three mounting slots are provided on the top of the support frame;
[0013] Three positioning pins are fixed to three mounting slots respectively, and each positioning pin has a positioning protrusion.
[0014] Furthermore, the positioning module also includes a cylindrical pin, which is mounted on one of the positioning slide pins.
[0015] Furthermore, the positioning module also includes a positioning mark, which is set on the top surface of the outer ring cover and matches the position of the cylindrical pin.
[0016] Furthermore, the positioning detection module includes:
[0017] Three mounting holes are arranged in a circular array on the top of the support frame;
[0018] Three springs are respectively installed in three mounting holes;
[0019] Three connectors, the bottom ends of which are inserted into three mounting holes respectively, and contact the springs in the corresponding mounting holes;
[0020] Three smooth blocks are connected to the top of three connecting parts respectively. All three smooth blocks are located between the support frame and the outer ring cover. The top of each of the three smooth blocks is provided with a stator contact surface.
[0021] Three photoelectric switches are located on the outside of the support frame and are respectively opposite to the positions of the three smooth blocks.
[0022] Furthermore, the clamping module includes:
[0023] An annular groove is formed at the bottom of the outer ring cover;
[0024] The movable groove is formed on the outer wall of the outer ring cover and is connected to the annular groove;
[0025] A ring-shaped sliding plate is set inside a ring-shaped groove. The ring-shaped sliding plate is provided with lugs that extend through the movable groove to the outside.
[0026] Multiple inclined slots are evenly spaced on the annular slide plate;
[0027] Multiple locking sliders are slidably connected to multiple inclined grooves, and all of them are set through the outer ring cover and toward the center of the outer ring cover;
[0028] The drive unit is connected to the support frame and the lug, and is used to drive the lug to move.
[0029] Furthermore, the drive unit includes:
[0030] The cylinder is mounted on a support frame.
[0031] Connecting rod, which is connected to the output end of the cylinder;
[0032] The transmission groove is formed on the lug;
[0033] The bottom end of the transmission pin is fixed to the top of the connecting rod, and the top end of the transmission pin is set in the transmission groove.
[0034] The guide assembly connects the link and the support frame and is used to guide the movement of the link.
[0035] Furthermore, the guidance component includes:
[0036] The guide rail is installed on the outer wall of the support frame;
[0037] The guide block is slidably connected to the guide rail and is connected to the connecting rod.
[0038] A stator rotation clamp according to an embodiment of this utility model integrates the following functions: concentric positioning and locking, positioning monitoring, and strong impact bearing capacity. Based on the stator's outer diameter, this clamp achieves compatibility with multiple stator specifications and allows for rapid workpiece changeover. Most importantly, it features a positioning feedback mechanism that can monitor the workpiece's locking status in real time, ensuring efficient and stable operation. In actual production, applying this clamp can significantly improve production efficiency.
[0039] It should be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further illustration of the claimed technology. Attached Figure Description
[0040] Figure 1 This is a structural diagram of a motor stator in the existing technology.
[0041] Figure 2 This is a schematic diagram of the overall structure of a stator rotation clamp according to an embodiment of the present utility model.
[0042] Figure 3 This is an exploded view of the structure of a stator rotation clamp according to an embodiment of the present invention.
[0043] Figure 4 This is a structural diagram of the iron core of a motor stator in the existing technology.
[0044] Figure 5 This is a front view structural diagram of a stator rotating clamp when the iron core and sliding pin are aligned according to an embodiment of the present invention.
[0045] Figure 6 This is a top view of the stator rotating clamp according to an embodiment of the present invention, showing the alignment of the iron core and the sliding pin.
[0046] Figure 7 This is a top view of the stator rotation clamp released according to an embodiment of the present invention.
[0047] Figure 8 This is a top view of the clamping structure of a stator rotation clamp according to an embodiment of the present invention.
[0048] Figure 9 This is a front view structural diagram of a positioning detection module for a stator rotation fixture according to an embodiment of the present utility model.
[0049] Figure 10 This is a side cross-sectional view of a positioning detection module for a stator rotation fixture according to an embodiment of the present invention.
[0050] Figure 11 This is a side cross-sectional view of a positioning detection module after a stator rotation fixture is placed into the stator, according to an embodiment of the present invention. Detailed Implementation
[0051] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, further illustrating the present invention.
[0052] First, combine Figures 2-11 This invention describes a stator rotation clamp according to an embodiment of the present invention, used for clamping motor stators, and has a wide range of applications.
[0053] like Figures 2-11 As shown, a stator rotation clamp according to an embodiment of the present invention has a base plate 100, a support frame 200, an outer ring cover 300, a positioning module, a positioning detection module, and a clamping module.
[0054] Specifically, such as Figures 2-3 As shown, the support frame 200 is set on the top of the base plate 100, and the inner wall of the support frame 200 is provided with a support platform 201, which is used to support the stator core 3.
[0055] Specifically, such as Figures 2-3 As shown, the outer ring cover 300 is disposed on the top of the support frame 200.
[0056] Specifically, such as Figures 2-6 As shown, the positioning module is mounted on the support frame 200 and is used to position the stator to be clamped. The positioning module includes three mounting slots 401 and three positioning pins 402. The three mounting slots 401 are formed on the top of the support frame 200; the three positioning pins 402 are respectively fixed on the three mounting slots 401, and each positioning pin 402 is provided with a positioning protrusion 4021, which is used to cooperate with the positioning slot 4 of the iron core 33 to realize the positioning of the stator.
[0057] Furthermore, such as Figures 2-6 As shown, the positioning module also includes a cylindrical pin 403, which is disposed on one of the positioning sliding pins 402. The cylindrical pin 403 is used to cooperate with the feature groove 5 of the iron core 3 to realize the initial position positioning of the stator.
[0058] Furthermore, such as Figures 2-3 As shown, the positioning module also includes a positioning mark 404, which is set on the top surface of the outer ring cover 300 and matches the position of the cylindrical pin 403, making it easy to find the position of the cylindrical pin 403, thereby making it easy to lock the initial orientation of the stator into the fixture.
[0059] Specifically, such as Figures 2-3 As shown in Figures 9-11, the positioning detection module is disposed between the support frame 200 and the outer ring cover 300, and is used to perform positioning detection on the stator to be clamped. The positioning detection module includes: three mounting holes 501, three springs 502, three connecting parts 503, three smooth blocks 504, and three photoelectric switches 506. The mounting holes 501 are arranged in a circular array on the top of the support frame 200; the three springs 502 are respectively disposed in the three mounting holes 501; the bottom ends of the three connecting parts 503 are respectively inserted into the three mounting holes 501 and contact the springs 502 in the corresponding mounting holes 501; the three smooth blocks 504 are respectively connected to the top of the three connecting parts 503, and the three smooth blocks 504 are all located between the support frame 200 and the outer ring cover 300, and the top of each of the three smooth blocks 504 is provided with a stator contact surface 505; the three photoelectric switches 506 are disposed on the outside of the support frame 200 and are respectively opposite to the positions of the three smooth blocks 504.
[0060] Specifically, such as Figures 2-3As shown in Figures 7 and 8, the clamping module is disposed between the support frame 200 and the outer ring cover 300, and is used to clamp the external stator. The clamping module includes: an annular groove 601, a movable groove 602, an annular sliding plate 603, multiple inclined grooves 605, multiple locking sliders 606, and a drive unit. An annular groove 601 is formed at the bottom of the outer ring cover 300 to provide space for the annular slide plate 603. A movable groove 602 is formed on the outer wall of the outer ring cover 300 and communicates with the annular groove 601. The movable groove 602 provides space for the lug 604 to move. The annular slide plate 603 is set in the annular groove 601 and has a lug 604 that extends outward through the movable groove 602. Multiple inclined grooves 605 are evenly formed on the annular slide plate 603. Multiple locking sliders 606 are slidably connected to the multiple inclined grooves 605 and are all set through the outer ring cover 300 toward the center of the outer ring cover 300. The drive unit is connected to the support frame 200 and the lug 604 to drive the lug 604 to move, thereby allowing the annular slide plate 603 to move in the annular groove 601, and allowing the locking slider 606 to extend and retract on the outer ring cover 300 to achieve the locking and releasing of the stator. Positioning is achieved by clamping with the outer diameter surface. Stator motors with the same outer diameter but different inner diameters or stack heights can use the same fixture. Most motors in the same series achieve standardized parameters such as power by changing the height and inner diameter, but the outer diameter is basically the same. Therefore, using an outer diameter reference fixture can achieve the versatility of stators in the same series, reduce costs, and achieve maximum compatibility.
[0061] Furthermore, such as Figures 2-3 As shown in Figures 7 and 8, the drive unit includes: a cylinder 6071, a connecting rod 6072, a transmission groove 6073, a transmission pin 6074, and a guide assembly. The cylinder 6071 is mounted on the support frame 200; the connecting rod 6072 is connected to the output end of the cylinder 6071; the transmission groove 6073 is formed on the lug 604; the bottom end of the transmission pin 6074 is fixed to the top of the connecting rod 6072, and the top end of the transmission pin 6074 is located within the transmission groove 6073; the guide assembly connects the connecting rod 6072 and the support frame 200, and is used to guide the movement of the connecting rod 6072. By controlling the operation of the cylinder 6071, the connecting rod 6072 can be moved, which in turn causes the lug 604 to move via the transmission groove 6073 and the transmission pin 6074.
[0062] Furthermore, such as Figures 2-3 The guide assembly includes a guide rail 6075 and a guide block 6076. The guide rail 6075 is disposed on the outer wall of the support frame 200; the guide block 6076 is slidably connected to the guide rail 6075 and is connected to the connecting rod 6072.
[0063] Working principle:
[0064] First, the staff pre-aligns the feature groove 5 on the stator core 3 with the positioning mark 404 on the outer ring cover 300, and then puts the stator into the fixture.
[0065] Then rotate the stator until the positioning protrusions 4021 on the three positioning pins 402 and the positioning grooves 4 on the stator core 3, and the cylindrical pins 403 and the feature grooves 5 on the stator core 3 are engaged.
[0066] At this time, the stator core 3 will press down the three smooth blocks 504 according to its own weight and fall on the support platform 201. The descent of the three smooth blocks 504 is detected by the corresponding photoelectric switch 506, indicating that the stator has been positioned.
[0067] The lug 604 is driven by the drive unit to move, which in turn causes the annular slide plate 603 to move in the annular groove 601, so that the locking slider 606 can move toward the stator on the outer ring cover 300 to lock the stator.
[0068] Above, refer to Figures 2-11 This invention describes a stator rotation clamp according to an embodiment of the present invention, integrating the following functions: concentric positioning and locking, positioning monitoring, and strong impact bearing capacity. Based on the stator's outer diameter, this clamp achieves compatibility with multiple stator specifications and allows for rapid workpiece changeover. Crucially, it features a positioning feedback mechanism that can monitor the workpiece's locking status in real time, ensuring efficient and stable operation. In actual production, applying this clamp can significantly improve production efficiency.
[0069] It should be noted that, in this specification, the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0070] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions to the present invention will be apparent to those skilled in the art after reading the above content. Therefore, the scope of protection of the present invention should be defined by the appended claims.
Claims
1. A stator rotary clamp characterized by, The utility model relates to a stator clamping device, including: A bottom plate; Support frame, support frame sets up at the top of bottom plate, and is equipped with support mesa on the inner wall of support frame; Outer ring cover, outer ring cover sets up at the top of support frame; Positioning module, positioning module sets up on support frame, is positioned to the stator of being clamped tightly; Positioning detection module, positioning detection module sets up between support frame and outer ring cover, is positioned to the stator of being clamped tightly and detects; Clamping module, clamping module sets up between support frame and outer ring cover, is clamped to the stator of outside.
2. The stator spin chuck of claim 1, wherein, The utility model relates to a stator clamping device, including: Three installation grooves, three installation grooves are opened in the top of support frame; Three positioning slide pins, three positioning slide pins are fixed on three installation grooves respectively, and are equipped with positioning protrusions on any positioning slide pin.
3. The stator spin chuck of claim 2, wherein, The utility model relates to a stator clamping device, including:
4. The stator spin chuck of claim 3 wherein, Positioning mark, positioning mark sets up on the top surface of outer ring cover, and matches with the position of cylindrical pin.
5. The stator spin chuck of claim 1 wherein, The utility model relates to a stator clamping device, including: Three mounting holes, three mounting holes are opened in the top of support frame in circular array; Three springs, three springs are arranged in three mounting holes respectively; Three linkers, the bottom end of three linkers is inserted into three mounting holes respectively, and is contacted with the spring in corresponding mounting hole; Three light-blocking sliders, three light-blocking sliders are connected with the top of three linkers respectively, and three light-blocking sliders are located between support frame and outer ring cover, and the top of three light-blocking sliders is equipped with stator contact surface; Three photoelectric switches, three photoelectric switches are arranged on the outside of support frame, and are opposite to the position of three light-blocking sliders respectively.
6. The stator spin chuck of claim 1 wherein, The utility model relates to a stator clamping device, including: Annular groove, annular groove is opened in the bottom of outer ring cover; Movable groove, movable groove is opened on the outer wall of outer ring cover, and is communicated with annular groove; Annular slide plate, annular slide plate is arranged in annular groove, and is equipped with lug on annular slide plate, and lug extends to outside through movable groove; Multiple inclined grooves, multiple inclined grooves are evenly opened on annular slide plate; Multiple locking sliders, multiple locking sliders are slidably connected on multiple inclined grooves respectively, and are arranged towards the center of outer ring cover through outer ring cover; Driving unit, driving unit is connected with support frame and lug, is used for driving lug activity.
7. The stator spin chuck of claim 6 wherein, The utility model relates to a stator clamping device, including: Cylinder, cylinder is arranged on support frame; Connecting rod, connecting rod is connected with the output end of cylinder; Transmission groove, transmission groove is opened in lug; Transmission pin, the bottom end of transmission pin is fixed on the top of connecting rod, and the top end of transmission pin is arranged in transmission groove; Guide assembly, guide assembly connects connecting rod and support frame, is used for guiding the movement of connecting rod.
8. The stator spin chuck of claim 7 wherein, The utility model relates to a stator clamping device, including: Guide rail, guide rail is arranged on the outer wall of support frame; A guide block is slidingly connected to the guide rail, and the guide block is connected to the connecting rod.