Ultra-thin motor winding end cover die

By designing the ultra-thin motor winding end cap mold and adopting a multi-point diverting casting and auxiliary cooling system, the problems of small casting cavity, uneven filling and deformation after forming are solved, and the accuracy and performance of the motor winding end cap are improved.

CN223028401UActive Publication Date: 2025-06-27PRIVALLEY TECH (TIANJIN) CO LTD
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Patent Information

Application Number
CN202421939372.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-06-27
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

In the prior art, due to the thin thickness of the motor winding end cap, the cast cavity channel is small and the liquid flow rate is slow, and the cavity filling is prone to incomplete or uneven, and it is prone to deform after forming, affecting the performance of the motor.

Method used

An ultra-thin motor winding end cap mold is designed, using multi-point diverting casting technology and auxiliary cooling system. The insulating material is poured at multiple casting points simultaneously through the casting mechanism, and auxiliary cooling blocks are set up at each casting point for rapid cooling and shaping.

Benefits of technology

The cast cavity is fully filled, avoiding deformation after forming, and improving the machining accuracy and performance stability of the motor winding end cover.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223028401U_ABST
Patent Text Reader

Abstract

An ultrathin motor winding end cover mold comprises an upper mold body, a lower mold body, a supporting plate, a cooling system, a pouring mechanism, an ejection mechanism and a bottom mold plate, the lower mold body is arranged on the supporting plate, the supporting plate is fixed to the bottom mold plate, and the lower surface of the upper mold body abuts against the upper surface of the lower mold body; the upper mold body comprises an upper cover plate, an upper mold upper plate, an upper mold middle bearing plate and an upper mold lower plate which are sequentially connected from top to bottom, the pouring mechanism carries out multi-point pouring on a product mold plate located in the lower mold body in the upper mold upper plate, cooling systems for cooling a product are arranged in the upper mold lower plate and the lower mold body, and six auxiliary cooling blocks are arranged in the upper mold lower plate. According to the utility model, a product is simultaneously poured in multiple points, the problems of thin product, small cavity channel and incomplete filling can be successfully solved, and an auxiliary cooling block is arranged at each pouring point outside the cooling systems arranged on the upper and lower die bodies, so that the product is quickly cooled and shaped after being formed, the product is prevented from being deformed, and the production efficiency is improved. And the motor performance is influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts production, in particular to a die for an ultra-thin motor winding end cover. Background Art

[0002] A wound motor consists of two basic parts, a stator and a rotor. The stator is the fixed part of the motor and is used to generate a rotating magnetic field. The structure of the motor stator winding end cover is relatively complex, and the thickness of the end cover is relatively thin, and the pouring cavity channel is small, so that the flow rate of the insulating material liquid is small, and it is easy to have the phenomenon that the cavity is not filled completely or unevenly, and the processing accuracy is low. Moreover, because the insulating raw material liquid for forming the motor winding end cover is relatively special, it is easy to deform after casting. However, if the winding part is deformed when the upper and lower end covers of the motor are buckled, the shape and length of the winding will change, which will affect the performance of the motor. Therefore, higher requirements are also put forward for the shaping effect of the die. Summary of the Invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a die for an ultra-thin motor winding end cover to solve the problems that the ultra-thin end cover makes the pouring cavity channel small and is easy to deform after casting.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A die for an ultra-thin motor winding end cover includes an upper die body, a lower die body, a support plate, a cooling system, a pouring mechanism, an ejection mechanism and a bottom template. The lower die body is arranged on the support plate, and the support plate is fixed on the bottom template. The lower surface of the upper die body abuts against the upper surface of the lower die body and is detachably connected through a locking buckle plate. The upper die body includes an upper cover plate, an upper die upper plate, an upper die middle bearing plate and an upper die lower plate which are connected in sequence from top to bottom. Inside the upper die upper plate, the pouring mechanism is branched at the upper die upper plate and then branched again at the upper die lower plate. The pouring mechanism pours into the product mold plate located in the lower die body at multiple points. A cooling system for cooling the product is arranged in the upper die lower plate and the lower die body. Six auxiliary cooling blocks are arranged at the positions corresponding to the product mold plate in the upper die lower plate. Each pouring point of the pouring mechanism passes through the auxiliary cooling blocks. The ejection mechanism is arranged below the product mold plate inside the support plate.

[0006] The pouring mechanism includes a pouring port, a pouring distribution plate, a pouring distribution pipe, a pouring head and a pouring shunt pipe. The pouring port is arranged at the middle top of the pouring distribution plate. The pouring distribution plate is in the shape of a four-petal plum blossom. The pouring distribution pipe is branched into four strands from the pouring port. Each strand of the pouring distribution pipe extends from the bottom of the plum blossom petal of the pouring distribution plate and is connected to the pouring head. Six pouring shunt pipes are connected to the outlet of each pouring head. A heating pipe is arranged near the pouring distribution pipe in the pouring distribution plate.

[0007] The described pouring diversion pipe passes through the auxiliary cooling block and extends to the pouring point of the product mold plate.

[0008] An auxiliary cooling pipe is arranged in the described auxiliary cooling block. The auxiliary cooling pipe is divided into an auxiliary cooling pipe inlet pipe and an auxiliary cooling pipe outlet pipe that are interconnected. The auxiliary cooling pipe inlet pipe and the auxiliary cooling pipe outlet pipe extend into the auxiliary cooling block from the top, and are connected at the bottom ends of the pipes. The connected pipes pass through the rear side wall of the auxiliary cooling block.

[0009] The auxiliary cooling pipe outlet pipe in the first of the described auxiliary cooling blocks is connected to the auxiliary cooling pipe inlet pipe of the adjacent second auxiliary cooling block, and the auxiliary cooling pipe inlet pipe in the first auxiliary cooling block is connected to the auxiliary cooling pipe outlet pipe on the adjacent third auxiliary cooling block on the other side.

[0010] The described ejection mechanism includes an ejection backing plate, an ejector pin plate, guide columns, support springs, and ejector pins. The ejection backing plate is arranged on the bottom mold plate inside the support plate. The ejector pin plate is arranged on the ejection backing plate. Guide columns are fixed at the four top corners of the ejector pin plate. The guide columns penetrate upward into the lower mold body. Support springs are sleeved on the lower sections of the guide columns below the lower mold body. A number of ejector pins are arranged on the ejector pin plate, and the top ends of the ejector pins extend upward to the lower part of the product mold plate.

[0011] The beneficial effects of the present utility model are as follows: The product of the present utility model is poured simultaneously at multiple points, which can successfully solve the problem of incomplete filling due to the thin product and small cavity channels. In addition to the cooling system provided on the upper and lower mold bodies, an auxiliary cooling block is respectively arranged at each pouring point to quickly cool and shape the product after the product is formed, avoiding deformation of the product and thus affecting the performance of the motor. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is Figure 1 a longitudinal sectional view of

[0014] Figure 3 is a schematic structural diagram of the auxiliary cooling block of the present utility model;

[0015] Figure 4 is Figure 3 the schematic view of the A-A structure in

[0016] In the figure: 1 - upper die body; 11 - upper cover plate; 12 - upper upper die plate; 13 - upper middle die carrier plate; 14 - upper lower die plate; 2 - lower die body; 21 - product - shaped template; 3 - support plate; 4 - ejection mechanism; 41 - ejection backing plate; 42 - ejector plate; 43 - guide post; 44 - support spring; 45 - ejector pin; 5 - cooling system; 6 - injection mechanism; 61 - pouring port; 62 - pouring distribution plate; 63 - pouring distribution pipe; 64 - pouring head; 65 - pouring shunt pipe; 66 - auxiliary cooling block; 67 - auxiliary cooling pipe; 671 - auxiliary cooling pipe inlet pipe; 672 - auxiliary cooling pipe outlet pipe; 7 - lock catch plate; 8 - bottom template;

[0017] The following will be described in detail with reference to the embodiments of the present utility model and the accompanying drawings. Specific embodiments

[0018] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments:

[0019] As Figure 1 shown, a mold for an ultra - thin motor winding end cover includes an upper die body 1, a lower die body 2, a support plate 3, a cooling system 5, an injection mechanism 6, an ejection mechanism 4, and a bottom template 8. The lower die body 2 is arranged on the support plate 3, the support plate 3 is fixed on the bottom template 8, the lower surface of the upper die body 1 abuts against the upper surface of the lower die body 2 and is detachably connected through a lock catch plate 7. The upper die body 1 includes an upper cover plate 11, an upper upper die plate 12, an upper middle die carrier plate 13, and an upper lower die plate 14 which are connected in sequence from top to bottom. Inside the upper upper die plate 12, the injection mechanism 6 is branched, and then branched again at the upper lower die plate 14. The injection mechanism 6 pours into the product - shaped template 21 located in the lower die body 2 at multiple points. A cooling system 5 for cooling the product is arranged in the upper lower die plate 14 and the lower die body 2. Six auxiliary cooling blocks 66 are arranged at the positions corresponding to the product - shaped template 21 in the upper lower die plate 14. Each pouring point of the injection mechanism 6 passes through the auxiliary cooling block 66. The ejection mechanism 4 is arranged below the product - shaped template 21 inside the support plate 3.

[0020] The injection mechanism 6 includes a pouring port 61, a pouring distribution plate 62, a pouring distribution pipe 63, a pouring head 64, and a pouring shunt pipe 65. The pouring port 61 is arranged at the middle top of the pouring distribution plate 62. The pouring distribution plate 62 is in the shape of a four - petal plum blossom. The pouring distribution pipe 63 is branched into four strands from the pouring port 61. Each strand of the pouring distribution pipe 63 extends out from the bottom of the plum blossom petal of the pouring distribution plate 62 and is connected to the pouring head 64. Six pouring shunt pipes 65 are connected to the outlet of each pouring head 64. A heating pipe is arranged near the pouring distribution pipe 63 in the pouring distribution plate 62.

[0021] The pouring shunt pipe 65 passes through the auxiliary cooling block 66 and extends to the pouring point of the product - shaped template 21.

[0022] An auxiliary cooling pipe 67 is arranged in the auxiliary cooling block 66. The auxiliary cooling pipe 67 is divided into an auxiliary cooling pipe water inlet 671 and an auxiliary cooling pipe water outlet 672 which are communicated with each other. The auxiliary cooling pipe water inlet 671 and the auxiliary cooling pipe water outlet 672 extend into the auxiliary cooling block 66 from the top, and are communicated at the bottom ends of the pipes of the auxiliary cooling pipe water inlet 671 and the auxiliary cooling pipe water outlet 672. The communicated pipes penetrate out from the rear side wall of the auxiliary cooling block 66.

[0023] The auxiliary cooling pipe water outlet 672 in the first auxiliary cooling block 66 is communicated with the auxiliary cooling pipe water inlet 671 of the adjacent second auxiliary cooling block 66, and the auxiliary cooling pipe water inlet 671 in the first auxiliary cooling block 66 is communicated with the auxiliary cooling pipe water outlet 672 on the third auxiliary cooling block 66 adjacent to the other side.

[0024] The ejection mechanism 4 includes an ejection backing plate 41, an ejector pin plate 42, a guide post 43, a support spring 44 and an ejector pin 45. The ejection backing plate 41 is arranged on the bottom die plate 8 inside the support plate 3. The ejector pin plate 42 is arranged on the ejection backing plate 41. Guide posts 43 are fixed at the four top corners of the ejector pin plate 42. The guide posts 43 penetrate upward into the lower die body 2. Support springs 44 are sleeved on the lower sections of the guide posts 43 below the lower die body 2. A plurality of ejector pins 45 are arranged on the ejector pin plate 42, and the top ends of the ejector pins 45 extend upward to the lower part of the product mold plate 21.

[0025] During application, place the product type template 21 in the middle slot of the lower die body 2, then connect the upper die body 1 and the lower die body 2, and lock the upper die body 1 and the lower die body 2 tightly through the lock catch plate 7. Install them on a vertical machine tool through the upper cover plate 11 and the bottom template 8. The external grouting liquid supply device transports the raw material grouting to the pouring mechanism 6 through the external connecting pipe 15. The raw material grouting enters the pouring distribution pipe 63 in the pouring distribution plate 62 from the pouring port 61. The pouring distribution plate 62 is in the shape of a four-petal plum blossom. The pouring distribution pipe 63 is divided into four strands from the pouring port 61. Each pouring distribution pipe 63 extends from the bottom of the plum blossom petal of the pouring distribution plate 62 and is connected to the pouring head 64. A heating pipe is arranged near the pouring distribution pipe 63 in the pouring distribution plate 62 to ensure the temperature of the grouting in the pouring distribution pipe 63 and avoid excessive temperature reduction, resulting in insufficient filling due to the reduced flow rate in the cavity of the product type template 21. Six pouring shunt pipes 65 are connected to the outlet of each pouring head 64 to pour at six points simultaneously for one product, avoiding incomplete or uneven pouring of the product. After the product is formed, cool the product through the cooling system 5 in the upper die body 1 and the lower die body 2. At the same time, an auxiliary cooling block 66 is arranged at each pouring shunt pipe 65. The pouring shunt pipe 65 passes through the auxiliary cooling block 66 and extends to the pouring point of the product type template 21. An auxiliary cooling pipe 67 is arranged in the auxiliary cooling block 66. The auxiliary cooling pipe 67 is divided into an auxiliary cooling pipe inlet pipe 671 and an auxiliary cooling pipe outlet pipe 672 that are interconnected. The auxiliary cooling pipe inlet pipe 671 and the auxiliary cooling pipe outlet pipe 672 extend into the auxiliary cooling block 66 from the top, and are connected at the bottom ends of the pipes of the auxiliary cooling pipe inlet pipe 671 and the auxiliary cooling pipe outlet pipe 672. The connected pipes pass through the rear side wall of the auxiliary cooling block 66 and extend outward to the upper die lower plate 14. The auxiliary cooling pipe outlet pipe 672 in the first auxiliary cooling block 66 is connected to the auxiliary cooling pipe inlet pipe 671 of the adjacent second auxiliary cooling block 66. The auxiliary cooling pipe inlet pipe 671 in the first auxiliary cooling block 66 is connected to the auxiliary cooling pipe outlet pipe 672 on the adjacent third auxiliary cooling block 66 on the other side. In this way, the pipelines on the six auxiliary cooling blocks 66 are sequentially connected to form circulating water for cooling, achieving the effect of improving shaping.

[0026] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0027] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0028] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The present utility model has been described above in an exemplary manner in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. An ultra-thin motor winding end cover mold, characterized in that: The invention comprises an upper mold body (1), a lower mold body (2), a support plate (3), a cooling system (5), a casting mechanism (6), an ejection mechanism (4) and a bottom mold plate (8); the lower mold body (2) is arranged on the support plate (3), the support plate (3) is fixed on the bottom mold plate (8); the lower surface of the upper mold body (1) abuts against the upper surface of the lower mold body (2), and is detachably connected via a locking plate (7); the upper mold body (1) comprises an upper cover plate (11), an upper mold upper plate (12), an upper mold middle plate (13) and an upper mold lower plate (14) which are connected in sequence from top to bottom; the casting mechanism is arranged inside the upper mold upper plate (12); (6) is divided at the upper plate (12) of the upper mold, and then divided again at the lower plate (14) of the upper mold. The pouring mechanism (6) pours at multiple points to the product mold template (21) located in the lower mold body (2). The upper mold lower plate (14) and the lower mold body (2) are provided with a cooling system (5) for cooling the product. Six auxiliary cooling blocks (66) are provided at positions corresponding to the product mold template (21) in the upper mold lower plate (14). Each pouring point of the pouring mechanism (6) passes through the auxiliary cooling block (66). The ejection mechanism (4) is provided below the product mold template (21) on the inner side of the support plate (3).

2. The ultra-thin motor winding end cover mold according to claim 1, characterized in that: The pouring mechanism (6) comprises a pouring port (61), a pouring distribution plate (62), a pouring distribution pipe (63), a pouring head (64) and a pouring shunt pipe (65). The pouring port (61) is arranged at the middle top of the pouring distribution plate (62). The pouring distribution plate (62) is in the shape of a four-petal plum blossom. The pouring distribution pipe (63) is divided into four streams from the pouring port (61). Each pouring distribution pipe (63) extends from the bottom of the plum blossom petals of the pouring distribution plate (62) and is connected to the pouring head (64). The outlet of each pouring head (64) is connected to six pouring shunt pipes (65). A heating pipe is arranged near the pouring distribution pipe (63) in the pouring distribution plate (62).

3. The ultra-thin motor winding end cover mold according to claim 2, characterized in that: The pouring shunt pipe (65) passes through the auxiliary cooling block (66) and extends to the pouring point of the product mold template (21).

4. The ultra-thin motor winding end cover mold according to claim 3, characterized in that: An auxiliary cooling pipe (67) is arranged in the auxiliary cooling block (66), and the auxiliary cooling pipe (67) is divided into an auxiliary cooling pipe water inlet pipe (671) and an auxiliary cooling pipe water outlet pipe (672) which are interconnected. The auxiliary cooling pipe water inlet pipe (671) and the auxiliary cooling pipe water outlet pipe (672) extend from the top of the auxiliary cooling block (66), and are connected at the bottom ends of the auxiliary cooling pipe water inlet pipe (671) and the auxiliary cooling pipe water outlet pipe (672), and the connected pipes pass through the rear side wall of the auxiliary cooling block (66).

5. The ultra-thin motor winding end cover mold according to claim 4, characterized in that: The auxiliary cooling tube water outlet pipe (672) in the first auxiliary cooling block (66) is connected to the auxiliary cooling tube water inlet pipe (671) of the adjacent second auxiliary cooling block (66), and the auxiliary cooling tube water inlet pipe (671) in the first auxiliary cooling block (66) is connected to the auxiliary cooling tube water outlet pipe (672) on the third auxiliary cooling block (66) adjacent to the other side.

6. The ultra-thin motor winding end cover mold according to claim 5, characterized in that: The ejection mechanism (4) comprises an ejection pad (41), an ejector plate (42), a guide column (43), a support spring (44) and an ejector pin (45); the ejection pad (41) is arranged on the bottom mold plate (8) on the inner side of the support plate (3); the ejector plate (42) is arranged on the ejection pad (41); the four top corners of the ejector plate (42) are fixed with the guide column (43); the guide column (43) is inserted upward into the lower mold body (2); the guide column (43) is sleeved with the support spring (44) on the lower section of the lower mold body (2); a plurality of ejector pins (45) are arranged on the ejector plate (42); the top ends of the ejector pins (45) extend upward to the bottom of the product mold template (21).