阅读说明：本技术 电机转子压铸模具 (Motor rotor die-casting die ) 是由 环一军 于 2019-11-17 设计创作，主要内容包括：本发明提供电机转子压铸模具,包括浇注口、拉环、中心轴、垫板、成型模具、型腔、底板、顶出口以及圆柱槽,下模座上侧安装有成型模具,成型模具内部下侧安装有底板,底板上端面中间位置安装有中心轴,中心轴上端面焊接有拉环,下模座上端面中间位置开设有圆柱槽,中心轴下侧嵌入至圆柱槽,中心轴与成型模具构成型腔,成型模具上端面安装有垫板,浇注口开设在上模座内部左右两侧,顶出口开设在下模座内部左右两侧,该设计解决了原有电机转子压铸成型后不方便取出的问题,本发明结构合理,方便电机转子压铸成型,便捷取出。(The invention provides a motor rotor die-casting die, which comprises a pouring gate, a pull ring, a central shaft, a backing plate, a forming die, a cavity, a bottom plate, an ejection port and a cylindrical groove, wherein the forming die is arranged on the upper side of a lower die base, the bottom plate is arranged on the lower side in the forming die, the central shaft is arranged in the middle of the upper end surface of the bottom plate, the pull ring is welded on the upper end surface of the central shaft, the cylindrical groove is formed in the middle of the upper end surface of the lower die base, the lower side of the central shaft is embedded into the cylindrical groove, the central shaft and the forming die form a forming cavity, the backing plate is arranged on the upper end surface of the forming die, the pouring gate is formed on the left side and the right side in the upper die base, and.)

1. Motor rotor die casting die, including die holder, upper die base and die-casting mechanism, its characterized in that: an upper die holder is arranged on the upper side of the lower die holder, and a die-casting mechanism is arranged between the upper die holder and the lower die holder;

the die-casting mechanism comprises a pouring gate, a pull ring, a central shaft, a base plate, a forming mold, a cavity, a bottom plate, an ejection port and a cylindrical groove, wherein the forming mold is installed on the upper side of the lower die holder, the bottom plate is installed on the lower side inside the forming mold, the central shaft is installed at the middle position of the upper end face of the bottom plate, the pull ring is welded on the upper end face of the central shaft, the cylindrical groove is formed in the middle position of the upper end face of the lower die holder, the lower side of the central shaft is embedded into the cylindrical groove, the central shaft and the forming mold form the forming cavity, the base plate is installed on the upper end face of the forming mold, the pouring gate.

2. The motor rotor die-casting mold as claimed in claim 1, wherein: and a plug is arranged in the inner part of the ejection opening.

3. The motor rotor die-casting mold as claimed in claim 1, wherein: the pouring gate is trumpet-shaped.

4. The motor rotor die-casting mold as claimed in claim 1, wherein: the lower side of the annular side face of the central shaft is carved with an external thread, the annular side face in the cylindrical groove is carved with an internal thread, and the internal thread is meshed with the external thread.

5. The motor rotor die-casting mold as claimed in claim 1, wherein: the outer surface of the pull ring is wrapped with an anti-slip soft rubber sleeve.

6. The motor rotor die-casting mold as claimed in claim 1, wherein: the sprue gate is equipped with two sets ofly, and two sets of sprue gate specifications are the same, the top export is equipped with two sets ofly, and two sets of top export specifications are the same.

Technical Field

The invention relates to a die-casting die for a motor rotor, belonging to the technical field of motor production.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by letter M in the circuit, and its main function is to generate driving torque as the power source of electrical appliances or various machines, and the generator is represented by letter G in the circuit, and its main function is to convert mechanical energy into electric energy. The motor rotor is a rotating part in the motor, the motor consists of a rotor and a stator, and the motor is a conversion device for realizing electric energy and mechanical energy and electric energy.

The inconvenient taking out after the current electric motor rotor die-casting shaping, after the electric motor rotor die-casting shaping, the electric motor rotor after the shaping is inconvenient to take out, though be provided with ejection mechanism, often need carry on ejecting through the cylinder, the problem that the above-mentioned appearance is solved to the electric motor rotor die casting die that now urgently needs.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a die-casting die for a motor rotor, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the die-casting die for the motor rotor comprises a lower die base, an upper die base and a die-casting mechanism, wherein the upper die base is arranged on the upper side of the lower die base, a die-casting mechanism is arranged between the upper die holder and the lower die holder, the die-casting mechanism comprises a pouring gate, a pull ring, a central shaft, a base plate, a forming die, a cavity, a bottom plate, an ejection port and a cylindrical groove, a forming die is arranged on the upper side of the lower die base, a bottom plate is arranged on the lower side in the forming die, a central shaft is arranged in the middle of the upper end surface of the bottom plate, a pull ring is welded on the upper end surface of the central shaft, a cylindrical groove is arranged in the middle of the upper end surface of the lower die base, the lower side of the central shaft is embedded into the cylindrical groove, the central shaft and the forming die form a forming cavity, a base plate is mounted on the upper end face of the forming die, the pouring gate is arranged on the left side and the right side inside the upper die base, and the ejection gate is arranged on the left side and the right side inside the lower die base.

Furthermore, a plug is arranged in the top outlet.

Further, the pouring gate is trumpet-shaped.

Furthermore, the lower side of the annular side surface of the central shaft is carved with an external thread, the annular side surface in the cylindrical groove is carved with an internal thread, and the internal thread is meshed with the external thread.

Furthermore, the outer surface of the pull ring is wrapped with an anti-slip soft rubber sleeve.

Furthermore, the sprue gate is provided with two groups, the specifications of the two groups of sprue gates are the same, the specifications of the two groups of ejection ports are the same, and the specifications of the two groups of ejection ports are the same.

The invention has the beneficial effects that: according to the motor rotor die-casting die, the pouring gate, the pull ring, the central shaft, the base plate, the forming die, the cavity, the bottom plate, the ejection port and the cylindrical groove are added, so that the motor rotor can be conveniently taken out after die-casting forming, the problem that the motor rotor is inconvenient to take out after die-casting forming of the original motor rotor is solved, and the taking-out convenience of the motor rotor die-casting die is improved.

Because of the inside end cap of installing of ejecting mouth, make things convenient for the sealed top export, because of the sprue gate is loudspeaker form, make things convenient for the pouring, because of center pin annular side downside is carved and is equipped with the external screw thread, the annular side is carved and is equipped with the internal thread in the cylinder inslot, and internal thread and external screw thread mesh mutually, through the thread engagement, make things convenient for the center pin to twist and close inside the cylinder inslot, because of the pull ring surface parcel has anti-skidding flexible rubber sleeve, increase the use comfort level of pull ring, the invention is rational in infrastructure, makes things convenient for motor rotor die-casting.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a motor rotor die-casting mold according to the present invention;

FIG. 2 is a front sectional view of a die-casting mechanism in the die-casting mold for the motor rotor according to the present invention;

FIG. 3 is a top view of a die-casting mechanism in the die-casting mold for the motor rotor according to the present invention;

in the figure: 1-lower die holder, 2-upper die holder, 3-die casting mechanism, 31-pouring gate, 32-pull ring, 33-central shaft, 34-backing plate, 35-forming die, 36-cavity, 37-bottom plate, 38-top outlet, 39-cylindrical groove and 381-plug.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: motor rotor die casting die, including die holder 1, upper die base 2 and die-casting mechanism 3, upper die base 2 is installed to 1 upside of die holder, is provided with die-casting mechanism 3 between upper die base 2 and the die holder 1.

Die-casting mechanism 3 includes sprue gate 31, the pull ring 32, center pin 33, backing plate 34, forming die 35, die cavity 36, bottom plate 37, ejecting opening 38 and cylinder groove 39, forming die 35 is installed to lower bolster 1 upside, bottom plate 37 is installed to the inside downside of forming die 35, center pin 33 is installed to bottom plate 37 up end intermediate position, center pin 33 up end welding has pull ring 32, cylinder groove 39 has been seted up to lower bolster 1 up end intermediate position, center pin 33 downside embedding is to cylinder groove 39, center pin 33 constitutes die cavity 36 with forming die 35, backing plate 34 is installed to forming die 35 up end, sprue gate 31 offers the inside left and right sides of upper die base 2, ejecting opening 38 offers the inside left and right sides of lower bolster 1, the inconvenient problem of taking out after original motor rotor die-casting has been solved to this design.

38 internally mounted of top export has end cap 381, make things convenient for sealed top export 38, sprue gate 31 is the loudspeaker form, the convenient pouring, 33 annular side of center pin is carved with the external screw thread, cylindrical groove 39 interior annular side is carved with the internal thread, and internal thread and external screw thread mesh mutually, through the screw-thread meshing, make things convenient for center pin 33 to twist to close inside cylindrical groove 39, 32 outer surface coating of pull ring has anti-skidding flexible rubber sleeve, increase pull ring 32's comfort in use, sprue gate 31 is equipped with two sets ofly, 31 specifications of two sets of sprue gates are the same, ejecting 38 is equipped with two sets ofly, and 38 specifications of two sets of top exports are the same, make things convenient for electric motor rotor.

As an embodiment of the present invention: the plug 381 is embedded into the top opening 38, then the forming die 35 is installed on the upper end surface of the lower die holder 1, through thread engagement, the central shaft 33 is screwed into the cylindrical groove 39 until the lower end surface of the bottom plate 37 contacts with the upper end surface of the lower die holder 1, the central shaft 33 and the forming die 35 form the cavity 36, then the backing plate 34 is installed on the upper end surface of the forming die 35, the upper die holder 2 is installed on the upper end surface of the backing plate 34, the central shaft 33 sequentially penetrates through the backing plate 34 and the upper die holder 2, finally, the forming raw material is injected into the cavity 36 through the pouring opening 31 by an external pump press, after the motor rotor is cooled and formed, the plug 381 is taken out, an external ejector rod is pushed upwards through the top opening 38, meanwhile, the central shaft 33 is screwed, an external hook is hung on the pull ring 32, upward force is also applied, the bottom plate 37.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.