CN219247668U - Winding iron core glue filling tool - Google Patents

Abstract

The utility model relates to a motor, in particular to a winding iron core glue pouring tool, which comprises a lower die inner die complex, an upper die body, a base and a glue pouring funnel, wherein the lower die inner die complex comprises a lower disc, a lower stop convex ring and a mandrel are arranged on the upper surface of the lower disc, a wedge-shaped ring groove with a wide lower part and a narrow upper part is arranged in the range of the lower surface of the lower disc corresponding to the lower stop convex ring, the base comprises a chassis, a wedge-shaped ring table with a wide lower part and a narrow upper part is arranged on the chassis corresponding to the wedge-shaped ring groove, the upper die body comprises an upper disc, the lower surface of the upper disc is provided with an upper stop convex ring, and the central hole of the upper stop convex ring is a conical hole with a big upper part and a small lower part; the glue filling funnel comprises a funnel body and a funnel neck, wherein the funnel neck is a conical tube with a large upper part and a small lower part. According to the utility model, the lower stop convex ring and the upper stop convex ring can be plastically deformed by utilizing the weight of the component without heating the stator assembly body of the shell and the tooling, and the lower stop convex ring and the upper stop convex ring are tightly abutted against the inner wall of the shell of the motor, so that the purpose of no glue leakage is realized, and the motor stator assembly is simple in structure and convenient to operate.

Description

Winding iron core glue filling tool

Technical Field

The utility model relates to a motor, in particular to a winding iron core glue filling tool.

Background

As shown in fig. 1, after the motor housing 11 and the winding iron core 12 are assembled, a housing stator assembly 1 is formed, in order to prevent dust and water vapor from polluting stator windings, the winding iron core 12 needs to be subjected to glue filling treatment, so that the glue filling can not only protect the stator windings from being polluted, but also position the stator windings, and prevent the stator windings from being affected by motor vibration.

The Chinese patent with publication number of CN206349893U discloses a motor stator glue-pouring assembly and a glue-pouring device, and specifically discloses a motor stator which comprises a shell, a stator winding and a stator core, wherein the motor stator glue-pouring assembly comprises a base and a mandrel, and the thermal expansion coefficient of the base is larger than that of the shell; the first end of the housing can be sealed after thermal expansion of the base, and the spindle is used for penetrating through the motor stator and being connected with the base. According to the motor stator glue filling assembly, the motor stator is heated after being assembled according to different thermal expansion coefficients of different materials, the base and the mandrel expand, gaps between the shell of the motor stator and the stator core are expanded, glue solution is not leaked, and the surface of the motor stator after glue filling is smooth and easy to clean. But because the motor stator needs to be heated after being assembled during glue filling,

the insulating performance of the insulating paint coating of the stator winding is possibly influenced, in addition, after the glue is filled, the thermal expansion coefficient of the base is larger than that of the shell along with the cooling of the base of the stator assembly, and meanwhile, the shrinkage rate of the base is larger than that of the shell during cooling, and leakage of glue solution is unavoidable.

Disclosure of Invention

In order to overcome the defects or one of the defects in the prior art, the utility model discloses a winding iron core glue filling tool, which adopts the following technical scheme:

the utility model provides a winding iron core encapsulating frock, including the lower mould internal mold complex and the last die body that can moulding shape, still include unable shaping deformation's base and encapsulating funnel, lower mould internal mold complex includes the lower plate, lower plate upper surface sets up down and ends bulge loop and dabber, the lower plate lower surface, the scope that corresponds down ends bulge loop opens and opens the wedge annular that is wide down narrow, the lower plate is suitable for the lower extreme of the motor casing of shutoff casing stator assembly, down ends bulge loop and is suitable for the inner wall butt of motor casing lower extreme, the dabber is suitable for forming the pouring space for the winding iron core of casing stator assembly; the base comprises a chassis, a wedge-shaped ring table with a wide bottom and a narrow top is arranged on the chassis at a position corresponding to the wedge-shaped ring groove, and the wedge-shaped ring table can enter the wedge-shaped ring groove; the upper die body comprises an upper disc, an upper stop convex ring is arranged on the lower surface of the upper disc, the upper disc is suitable for plugging the upper end of the motor shell, the upper stop convex ring is suitable for being abutted with the inner wall of the upper end of the motor shell, and the central hole of the upper stop convex ring is a conical hole with a large upper part and a small lower part; the glue filling funnel comprises a funnel body and a funnel neck, wherein the funnel neck is a conical tube with a big top and a small bottom, and the funnel neck can enter the central hole.

Further, if the taper of the wedge ring table and the taper of the wedge ring groove are the same, and the upper end inner diameter of the wedge ring table is SN42, the upper end outer diameter of the wedge ring table is SW42, the lower end inner diameter of the wedge ring table is XN42, the lower end outer diameter of the wedge ring groove is XW42, the upper end inner diameter of the wedge ring groove is SN24, the upper end outer diameter of the wedge ring groove is SW24, the lower end inner diameter of the wedge ring table is XN24, and the lower end outer diameter of the wedge ring groove is XW24, then: SW42-SN42 > SW24-SN24; XW 42-XN 42 > XW24-XN24; SW42-SN42 < XW24-XN24.

Further, if the taper of the neck is the same as that of the center hole, and if the outer diameter of the upper end of the neck is SW52, the outer diameter of the lower end is XW52, the inner diameter of the upper end of the center hole is SN33, and the inner diameter of the lower end is XN33, there are: XW52 < SN33; SW52 > SN33.

Further, the wedge ring land is no greater than the depth of the wedge ring groove.

Further, the height of the neck is not greater than the thickness of the central bore.

According to the utility model, the lower stop convex ring and the upper stop convex ring can be plastically deformed by utilizing the weight of the component without heating the stator assembly body of the shell and the tooling, and the lower stop convex ring and the upper stop convex ring are tightly abutted against the inner wall of the shell of the motor, so that the purpose of no glue leakage is realized, and the motor stator assembly is simple in structure and convenient to operate.

Drawings

Fig. 1 is a schematic structural view of a housing stator assembly of the present utility model.

FIG. 2 is a schematic diagram of the structure of the lower mold inner mold complex of the present utility model.

FIG. 3 is a schematic view of another view of the lower mold compound of the present utility model.

FIG. 4 is a schematic view of the structure of the upper mold body of the present utility model.

FIG. 5 is a schematic view of another view of the upper mold body of the present utility model.

Fig. 6 is a schematic structural view of the base of the present utility model.

Fig. 7 is a schematic structural view of the glue-pouring funnel of the present utility model.

Fig. 8 is a schematic structural view of another view of the glue-pouring funnel of the present utility model.

Fig. 9 is a schematic view of the structure of the present utility model combined with a housing stator assembly.

Fig. 10 is an enlarged cross-sectional view of fig. 9.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

1-10, a winding iron core glue-pouring tool comprises

The utility model provides a winding iron core encapsulating frock, includes lower mould internal mold complex 2 and last die body 3 that can moulding shape, and lower mould internal mold complex 2 and last die body 3 adopt nylon material in this embodiment, have both certain intensity, have certain plastic deformation volume again; the lower die inner die complex 2 comprises a lower disc 21, a lower stop convex ring 22 and a mandrel 23 are arranged on the upper surface of the lower disc 21, a wedge-shaped annular groove 24 with a wide lower part and a narrow upper part is formed in the range of the lower surface of the lower disc 21 corresponding to the lower stop convex ring 22, the lower disc 21 is suitable for plugging the lower end of a motor shell 11 of the shell stator assembly 1, the lower stop convex ring 22 is suitable for being abutted with the inner wall of the lower end of the motor shell 11, and the mandrel 23 is suitable for forming a casting space for a winding iron core 12 of the shell stator assembly 1; the base 4 comprises a base plate 41, a wedge-shaped ring table 42 with a wide bottom and a narrow top is arranged on the base plate 41 at a position corresponding to the wedge-shaped ring groove 24, and the wedge-shaped ring table 42 can enter the wedge-shaped ring groove 24; the upper die body 3 comprises an upper disc 31, an upper stop convex ring 32 is arranged on the lower surface of the upper disc 31, the upper disc 31 is suitable for plugging the upper end of the motor shell 11, the upper stop convex ring 32 is suitable for being abutted with the inner wall of the upper end of the motor shell 11, and a central hole 33 of the upper stop convex ring 32 is a conical hole with a large upper part and a small lower part; the glue-pouring funnel 5 comprises a funnel body 51 and a funnel neck 52, wherein the funnel neck 52 is a conical tube with a large upper part and a small lower part, and the funnel neck 52 can enter the central hole 33.

Specifically, if the taper of the wedge ring table 42 is equal to the taper of the wedge ring groove 24, and the upper end inner diameter of the wedge ring table 42 is SN42, the upper end outer diameter is SW42, the lower end inner diameter is XN42, the lower end outer diameter is XW42, the upper end inner diameter of the wedge ring groove 24 is SN24, the upper end outer diameter is SW24, the lower end inner diameter is XN24, and the lower end outer diameter is XW24 are defined: SW42-SN42 > SW24-SN24; XW 42-XN 42 > XW24-XN24; SW42-SN42 < XW24-XN24. If the taper of the neck 52 is the same as that of the center hole 33, and if the outside diameter of the upper end of the neck 52 is SW52, the outside diameter of the lower end is XW52, the inside diameter of the upper end of the center hole 33 is SN33, and the inside diameter of the lower end is XN33, there are: XW52 < SN33; SW52 > SN33. The wedge ring land 42 is no greater than the depth of the wedge ring groove 24. The height of the neck 52 is not greater than the thickness of the central bore 33.

In a natural state, the upper and lower stop collars 32, 22 are fitted with a small clearance to the inner wall of the motor housing 11. When the glue is filled, firstly, the chassis 21 is placed on a workbench of a glue filling machine, then the lower disc 21 is placed on the chassis 21, so that the wedge ring table 42 is aligned with the wedge ring groove 24, then the shell stator assembly 1 is placed on the lower disc 21, the lower stop convex ring 22 is ensured to be concentric with the inner wall of the lower end of the motor shell 11, and the wedge ring table 42 is forced to be wedged into the wedge ring groove 24 due to the large weight of the shell stator assembly 1, so that the lower stop convex ring 22 generates micro expansion deformation, and the lower stop convex ring is tightly abutted with the inner wall of the lower end of the motor shell 11 to prevent glue leakage. Then the upper die body 3 is placed at the upper end of the shell stator assembly 1, the upper stop convex ring 32 is concentric with the inner wall of the lower end of the motor shell 11, then the neck 52 of the glue filling funnel 5 is inserted into the central hole 33 of the upper die body 3, and the upper stop convex ring 32 is pressed down with little force, so that the upper stop convex ring 32 is tightly abutted with the inner wall of the upper end of the motor shell 11 to prevent glue leakage, and the neck 52 is matched with the conical surface of the central hole 33 of the upper die body 3, so that the glue can not be loosened by itself. Thus, the up-and-down blocking is realized, and the glue solution can be injected into the bucket body 51 at this time. According to the utility model, the lower stop convex ring and the upper stop convex ring can be plastically deformed by utilizing the weight of the component without heating the stator assembly body of the shell and the tooling, and the lower stop convex ring and the upper stop convex ring are tightly abutted against the inner wall of the shell of the motor, so that the purpose of no glue leakage is realized, and the motor stator assembly is simple in structure and convenient to operate.

The present utility model is not described in detail in the prior art or common general knowledge in the art.

Claims (5)

1. The utility model provides a winding iron core encapsulating frock, includes lower mould centre form complex (2) and last die body (3) that can plastic deformation, its characterized in that: the lower die inner die composite body (2) comprises a lower disc (21), a lower stop convex ring (22) and a mandrel (23) are arranged on the upper surface of the lower disc (21), wedge-shaped annular grooves (24) with wide lower part and narrow upper part are formed in the range of the lower surface of the lower disc (21) corresponding to the lower stop convex ring (22), the lower disc (21) is suitable for plugging the lower end of a motor shell (11) of the shell stator assembly body (1), the lower stop convex ring (22) is suitable for being in butt joint with the inner wall of the lower end of the motor shell (11), and the mandrel (23) is suitable for forming a pouring space for a winding iron core (12) of the shell stator assembly body (1); the base (4) comprises a base plate (41), a wedge-shaped ring table (42) with a wide bottom and a narrow top is arranged on the base plate (41) corresponding to the wedge-shaped ring groove (24), and the wedge-shaped ring table (42) can enter the wedge-shaped ring groove (24); the upper die body (3) comprises an upper disc (31), an upper stop convex ring (32) is arranged on the lower surface of the upper disc (31), the upper disc (31) is suitable for blocking the upper end of the motor shell (11), the upper stop convex ring (32) is suitable for being abutted with the inner wall of the upper end of the motor shell (11), and a central hole (33) of the upper stop convex ring (32) is a conical hole with a large upper part and a small lower part; the glue filling funnel (5) comprises a funnel body (51) and a funnel neck (52), the funnel neck (52) is a conical tube with a large upper part and a small lower part, and the funnel neck (52) can enter the central hole (33).

2. The winding core glue-pouring fixture according to claim 1, wherein: the wedge ring table (42) has the same taper as the wedge ring groove (24), and if the upper end inner diameter of the wedge ring table (42) is SN42, the upper end outer diameter is SW42, the lower end inner diameter is XN42, the lower end outer diameter is XW42, the upper end inner diameter of the wedge ring groove (24) is SN24, the upper end outer diameter is SW24, the lower end inner diameter is XN24, and the lower end outer diameter is XW24 are defined as follows: SW42-SN42 > SW24-SN24; XW 42-XN 42 > XW24-XN24; SW42-SN42 < XW24-XN24.

3. The winding core glue-pouring fixture according to claim 1, wherein: the taper of the neck (52) is the same as that of the central hole (33), and if the upper end outer diameter of the neck (52) is SW52, the lower end outer diameter is XW52, the upper end inner diameter of the central hole (33) is SN33, and the lower end inner diameter is XN33, the following are defined: XW52 < SN33; SW52 > SN33.

4. The winding core glue-pouring fixture according to claim 1, wherein: the wedge ring land (42) has a depth no greater than the wedge ring groove (24).

5. The winding core glue-pouring fixture according to claim 1, wherein: the height of the neck (52) is not greater than the thickness of the central aperture (33).

Images