Stator winding paint dipping tool
By designing a detachable baffle and guide groove structure, the problems of difficult stator winding tooling removal and uneven insulation varnish were solved, ensuring the reliability of coil penetration and performance testing.
Patent Information
- Application Number
- CN202520141024.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing stator winding fixtures are not easy to remove after winding, which causes the coil windings to spread out and the insulating varnish is not easily applied evenly, making the motor prone to breakdown during high-voltage testing.
The design employs a detachable first and second baffle, combined with a flow guide groove structure, to ensure uniform penetration of the insulating varnish and to allow for the gradual removal of tooling, thus preventing the coil from becoming loose.
This design enables easy removal of the stator winding fixture and uniform impregnation of the insulating varnish, protecting the coil from loosening and preventing damage during performance testing.
Smart Images

Figure CN223785915U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to stator winding tool technical field, especially, relate to a kind of stator winding dip paint tool. BACKGROUND
[0002] The existing stator winding tool generally includes a rotating shaft and two side limiting flaps. During winding, the rotating shaft is driven to rotate by a motor, and winding is performed between the two side limiting flaps. After the stator winding is completed, the tool cannot be immediately removed, and the winding needs to be immersed in insulating paint for solidification. The existing stator winding tool has the following disadvantages: the coil winding is not easy to be immersed in insulating paint at both ends, and after the insulating paint is solidified, the winding tool is not easy to be removed, the limiting flaps are bonded with the enameled wire winding to form an integrated body, and during the removal of the tool, the coil winding is scattered, which may cause unqualified voltage resistance and easily burn the motor during performance test high-voltage breakdown. SUMMARY
[0003] In view of the above problems in the prior art, the utility model aims to provide a stator winding dip paint tool, which solves the problem that the existing stator winding tool is not easy to be removed after the stator winding is completed and the coil winding is scattered during the removal process.
[0004] To achieve the above utility model purposes, the utility model adopts the following technical solutions:
[0005] A stator winding dip paint tool is provided, which includes a rotating shaft arranged vertically, and a first baffle and a second baffle are vertically and spaced apart on the rotating shaft; at least one waist-shaped slot is arranged through the first baffle and the second baffle, and the first baffle and the second baffle are detachably connected with the rotating shaft.
[0006] Further, the first baffle and the second baffle are both in the form of a circular plate, and the center lines of the first baffle and the second baffle are coincident with the axis of the rotating shaft.
[0007] Further, the first baffle and the second baffle are both provided with four waist-shaped slots, which are uniformly arranged in a ring shape around the center line of the rotating shaft, and the included angle between adjacent two waist-shaped slot supports is 90°, and each waist-shaped slot is arranged along the diameter direction of the rotating shaft.
[0008] Further, the upper middle part of the rotating shaft is provided with a circular fixing plate, a first circular connecting plate is detachably connected below the circular fixing plate, the first baffle is detachably connected below the first circular connecting plate, four notches are uniformly arranged on the circumferential outer wall of the first circular connecting plate along the diameter direction, and the four notches and the four waist-shaped grooves on the first circular connecting plate are in one-to-one matching relationship; the center lines of the circular fixing plate, the first circular connecting plate and the first baffle all coincide with the axis of the rotating shaft; the diameter of the circular fixing plate is smaller than that of the first circular connecting plate, and the diameter of the first circular connecting plate is smaller than that of the first baffle.
[0009] Further, the circular fixing plate and the first circular connecting plate are connected through screws.
[0010] Further, the bottom of the rotating shaft is provided with a second circular connecting plate and the second baffle, the center line of the second circular connecting plate coincides with the axis of the rotating shaft, the upper end surface of the second circular connecting plate is in contact with the lower end surface of the rotating shaft and is detachably connected through screws; the second baffle is sleeved on the rotating shaft and located above the second circular connecting plate, the lower end surface of the second baffle is flush with the lower end surface of the rotating shaft and the upper end surface of the second circular connecting plate, and the second baffle is connected with the second circular connecting plate through screws.
[0011] Further, each waist-shaped groove on the first baffle and the second baffle is matched with a flow guide groove, the cross section of each flow guide groove is in a "convex" structure, the waist-shaped groove is arranged in the interior of the flow guide groove, the top or bottom of the flow guide groove is in contact with the upper end surface or the lower end surface of the first baffle and the second baffle, each flow guide groove is in a strip-shaped structure, the length direction of the flow guide groove is in contact with the length direction of the waist-shaped groove, one end of the flow guide groove is arranged towards the direction of the rotating shaft, and the other end is in contact with the circumferential outer wall of the first baffle and the second baffle.
[0012] The stator winding impregnation tool has the advantages that the stator winding impregnation tool is convenient to manufacture and low in cost through the screw connection structure and the split tool design. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a three-dimensional structure schematic view of the stator winding impregnation tool.
[0014] Fig. 2 It is an internal section structure schematic view of the stator winding impregnation tool.
[0015] Wherein, 1, rotating shaft; 2, first baffle; 3, second baffle; 4, waist type groove; 5, circular fixed plate; 6, first circular connecting plate; 7, notch; 8, second circular connecting plate; 9, flow guide groove. DETAILED DESCRIPTION
[0016] The specific embodiments of the utility model are described below, so that the person skilled in the art can understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific embodiments, for the person skilled in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the appended claims, these changes are obvious, all the invention and creation using the concept of the utility model are within the scope of protection.
[0017] As Figs. 1-2 The utility model provides a kind of stator winding dip paint tool, it includes the rotating shaft 1 of vertical arrangement, the first baffle 2 and second baffle 3 are vertically spaced apart on the rotating shaft 1;At least one waist type groove 4 is vertically arranged on the first baffle 2 and second baffle 3, and the first baffle 2 and second baffle 3 are detachably connected with the rotating shaft 1.The first baffle 2 and second baffle 3 are detachably connected with the rotating shaft 1, so that the whole tool is easy to remove.
[0018] Specifically, the first baffle 2 and second baffle 3 are both circular plate structures, and the center lines of the first baffle 2 and second baffle 3 coincide with the axis of the rotating shaft 1.In implementation, the first baffle 2 and second baffle 3 are preferably provided with four waist type grooves 4, which are evenly arranged in a ring shape around the center line of the rotating shaft 1, and the included angle between the supports of two adjacent waist type grooves 4 is 90°.Each waist type groove 4 is arranged along the diameter direction of the rotating shaft 1.The arrangement of the waist type groove 4 enables the large winding coil to be fully immersed in the insulating paint, solving the problem that the existing stator winding tool cannot easily immerse the coil winding in the insulating paint on both end surfaces.
[0019] In implementation, the upper middle part of the rotating shaft 1 is preferably provided with a circular fixed plate 5, the first circular connecting plate 6 is detachably connected below the circular fixed plate 5, the first baffle 2 is detachably connected below the first circular connecting plate 6, four notches 7 are evenly arranged on the circumferential outer wall of the first circular connecting plate 6 along the diameter direction, and the four notches 7 are in one-to-one matching relationship with the four waist type grooves 4 on the first circular connecting plate 6.The center lines of the circular fixed plate 5, the first circular connecting plate 6 and the first baffle 2 coincide with the axis of the rotating shaft 1.The diameter of the circular fixed plate 5 is smaller than the diameter of the first circular connecting plate 6, and the diameter of the first circular connecting plate 6 is smaller than the diameter of the first baffle 2.
[0020] Further, the circular fixing plate 5 and the first circular connecting plate 6 are connected through screws, and the first circular connecting plate 6 and the first baffle 2 are connected through screws, so that the stator winding dipping paint tool is convenient to assemble and disassemble.
[0021] Further, the bottom of the rotating shaft 1 is provided with the second circular connecting plate 8 and the second baffle 3, the center line of the second circular connecting plate 8 coincides with the axis of the rotating shaft 1, the upper end surface of the second circular connecting plate 8 is in contact with the lower end surface of the rotating shaft 1 and is detachably connected through screws, the second baffle 3 is sleeved on the rotating shaft 1 and is located above the second circular connecting plate 8, the lower end surface of the second baffle 3 is flush with the lower end surface of the rotating shaft 1 and the upper end surface of the second circular connecting plate 8, and the second baffle 3 is connected with the second circular connecting plate 8 through screws.
[0022] Further, each waist-shaped groove 4 on the first baffle 2 and the second baffle 3 is matched with a flow guide groove 9, the cross section of each flow guide groove 9 is in a "convex" shape structure, the waist-shaped groove 4 is arranged in the inside of the flow guide groove 9, the top or bottom of the flow guide groove 9 is in contact with the upper end surface or the lower end surface of the first baffle 2 and the second baffle 3, each flow guide groove 9 is in a long strip shape structure, the length direction of the flow guide groove 9 is in contact with the length direction of the waist-shaped groove 4, one end of the flow guide groove 9 is arranged towards the direction of the rotating shaft 1, and the other end is in contact with the circumferential outer wall of the first baffle 2 and the second baffle 3. The flow guide groove 9 is used for guiding the excess insulating paint out, so that too much insulating paint is prevented from adhering to the coil winding and the tool. The flow guide groove 9 can also gradually guide the insulating paint in the waist-shaped groove 4 to the end surface of the coil winding and make the insulating paint flow along the end surface of the coil winding, so that the soaking effect of the insulating paint on the coil winding is improved.
[0023] The process of the stator winding dipping paint tool in the utility model is as follows: firstly, the first baffle 2, the second baffle 3, the first circular connecting plate 6 and the second circular connecting plate 8 are sleeved on the rotating shaft 1, and the above components are connected and fixed on the rotating shaft 1 through screws step by step; in the process of winding the stator, the rotating shaft 1 is driven to rotate by using a motor and other devices, the first baffle 2 and the second baffle 3 are limited to wind and form the coil winding between the first baffle 2 and the second baffle 3, after winding is completed, the insulating paint is dripped from the waist-shaped groove 4 to the coil winding, the excess insulating paint flows out from the flow guide groove 9 on the second baffle 3, too much insulating paint is prevented from adhering to the coil winding and the tool, the tool is convenient to disassemble subsequently, the phenomenon that the coil winding is loose is reduced; after the insulating paint dripping is completed, the tool with the coil winding is subjected to high-temperature curing of the insulating paint, after the insulating paint curing is completed, the insulating paint sticks the two side baffles and the coil together. The screws, the rotating shaft 1, the first circular connecting plate 6, the second circular connecting plate 8, the first baffle 2 and the second baffle 3 are removed step by step.
[0024] In summary, the stator winding dip paint tool of the present application is connected by screw structure, and the split tool design is convenient for processing and manufacturing, and has low cost. When the insulating paint is solidified, it is removed step by step, so that the whole stator winding dip paint tool can be removed conveniently, the large winding coil can be immersed in enough insulating paint, the product is not loose after solidification, and the product can also be protected from damage when the tool is removed.
Claims
1. A stator winding impregnation tooling, characterized in that, The vertical rotating shaft is provided with a first baffle and a second baffle vertically and at intervals, and at least one waist-shaped groove is provided through the first baffle and the second baffle; the first baffle and the second baffle are detachably connected with the rotating shaft.
2. The stator winding impregnation tooling according to claim 1, wherein, The first baffle and the second baffle are both circular plate structures, and the center lines of the first baffle and the second baffle coincide with the axis of the rotating shaft.
3. The stator winding impregnation tooling of claim 2, wherein, Four waist-shaped grooves are provided on the first baffle and the second baffle, and the four waist-shaped grooves are uniformly arranged in a ring shape at intervals around the center line of the rotating shaft, the included angle between adjacent two waist-shaped groove supports is 90°, and each waist-shaped groove is arranged along the diameter direction of the rotating shaft.
4. The stator winding impregnation tooling of claim 3, wherein, A circular fixing plate is arranged at the upper middle part of the rotating shaft, a first circular connecting plate is detachably connected below the circular fixing plate, the first baffle is detachably connected below the first circular connecting plate, four notches are uniformly arranged on the circumferential outer wall of the first circular connecting plate along the diameter direction, the four notches and the four waist-shaped grooves on the first circular connecting plate are in one-to-one matching relationship, the center lines of the circular fixing plate, the first circular connecting plate and the first baffle coincide with the axis of the rotating shaft, the diameter of the circular fixing plate is smaller than the diameter of the first circular connecting plate, and the diameter of the first circular connecting plate is smaller than the diameter of the first baffle.
5. The stator winding impregnation tooling of claim 4, wherein, The circular fixing plate and the first circular connecting plate are connected by screws, and the first circular connecting plate and the first baffle are connected by screws.
6. The stator winding impregnation tooling of claim 1, wherein, A second circular connecting plate and the second baffle are arranged at the bottom of the rotating shaft, the center line of the second circular connecting plate coincides with the axis of the rotating shaft, the upper end surface of the second circular connecting plate is in contact with the lower end surface of the rotating shaft and is detachably connected by screws, the second baffle is sleeved on the rotating shaft and located above the second circular connecting plate, the lower end surface of the second baffle is flush with the lower end surface of the rotating shaft and the upper end surface of the second circular connecting plate, and the second baffle is connected with the second circular connecting plate by screws.
7. The stator winding impregnation tooling of claim 1, wherein, Each waist-shaped groove on the first baffle and the second baffle is matched with a flow guide groove, the cross section of each flow guide groove is in a "convex" shape structure, the waist-shaped groove is arranged in the flow guide groove, the top or bottom of the flow guide groove is in contact with the upper or lower end surface of the first baffle and the second baffle, each flow guide groove is in a strip shape structure, the length direction of the flow guide groove is in contact with the length direction of the waist-shaped groove, one end of the flow guide groove is arranged towards the direction of the rotating shaft, and the other end is in contact with the circumferential outer wall of the first baffle and the second baffle.