CN219018637U - Split mounting type lower die piece for die casting of motor rotor - Google Patents

Abstract

The utility model belongs to the field of lower die plates of motor rotors, in particular to an assembled lower die plate for die casting of motor rotors, which aims at the problems that the existing lower die plate for die casting is of an integral design, the processing difficulty is high, the efficiency is low, the integral die plate is scrapped when scrapped, the waste of materials and processing time is caused, and the installation is inconvenient; the lower die plate body is detachably connected with the pouring gate plate, when the lower die plate body is scrapped after being used for a period of time, the lower die plate body only needs to be replaced, the replaced lower die plate body can be used after being fixed with the original pouring gate plate, manpower and material resources are saved, the resource utilization rate is improved, the pouring gate plate and the processing program of the lower die plate body are improved, and the processing efficiency is improved.

Description

Split mounting type lower die piece for die casting of motor rotor

Technical Field

The utility model relates to the technical field of lower die plates of motor rotors, in particular to an assembled lower die plate for die casting of a motor rotor.

Background

The traditional die-casting lower die plate on the motor rotor is integral, so that the lower die plate is difficult to process, when the motor rotor is processed in a processing center, the shape of a gate of the upper die plate is complex because the gate is formed by an upper part and a lower part, when the gate is processed in the processing center, a half structure of the gate needs to be processed firstly, then the upper die plate is turned 180 degrees, and then the other half part of the gate is processed;

the lower die piece of the die casting is scrapped at intervals. When the processing is waste, about 60 hours are needed for processing one die, and when the lower die is scrapped, the whole die is scrapped, so that the waste of materials and processing time is caused;

when the lower die plate is installed on the die casting mold, the lower die plate is also wasted, the installation is inconvenient, and the labor intensity is high.

In order to solve the problems, the utility model provides an assembled lower die for die casting of a motor rotor.

Disclosure of Invention

The utility model provides an assembled lower die piece for die casting of a motor rotor, which solves the defects of the prior art that the die piece is of an integral design, the processing difficulty is high, the efficiency is low, the integral die piece is scrapped when scrapped, the waste of materials and processing time is caused, and the installation is inconvenient.

The utility model provides the following technical scheme:

the split lower die plate for the die casting of the motor rotor comprises a pouring gate plate, wherein an inner circle is arranged on the pouring gate plate, and a first central hole which is coaxially arranged with the inner circle is arranged on the pouring gate plate;

and the lower die body and the pouring gate plate are detachably connected.

In one possible design, the lower die plate body is provided with a plurality of bolt mounting holes which are distributed in an equidistant annular mode, the pouring gate plate is provided with a plurality of threaded holes which are distributed in an equidistant annular mode, the plurality of threaded holes correspond to the plurality of bolt mounting holes in the same position, the plurality of threaded holes are in threaded connection with the same fixing bolt on the corresponding bolt mounting holes, and the plurality of fixing bolts are arranged in a plurality.

In one possible design, the center position of the lower die body is provided with a second center hole, the sizes of the second center hole and the first center hole are consistent, and the second center hole and the first center hole are coaxially arranged.

In one possible design, the pouring gate plate is provided with a die casting aluminum ring, and the pouring gate plate is provided with a die casting waist-shaped fan blade positioned on one side of the die casting aluminum ring.

In one possible design, the gate plate is provided with a plurality of gates which are equidistantly and annularly arranged, the gates are arranged in two halves, one half of the gates is a waist-shaped pore, the other half of the gates is an elliptical hole, and a plurality of the gates are positioned on the inner side of the threaded hole.

In one possible design, the lower die body and the gate plate are both annular disks, and the outer side of the lower die body and the inner side of the inner circle are detachably and tightly fitted.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

In the utility model, the spliced lower die plate consists of a gate plate and a lower die plate body, the gate plate and the lower die plate body are connected and fixed through a plurality of bolts which are annularly arranged, the screw holes and the bolt mounting holes reserve the fixing positions of the bolts, and the purpose of installing the lower die plate body and the gate plate by the bolts is designed so as to facilitate the subsequent disassembly and replacement of the lower die plate body;

in the utility model, the pouring gate plate and the lower die plate body can be processed by a processing center and wire cutting, the processing center and the wire cutting are the existing mature technology, the processing is simple and convenient, the time is short, the materials, manpower and material resources are saved, the production and manufacturing cost is reduced, and compared with the original mode, the cost can be saved by processing a set of split lower die plate;

according to the utility model, when the lower die plate body is scrapped after being used for a period of time, the lower die plate body only needs to be replaced, and the replaced lower die plate body can be used after being fixed with the original gate plate, so that the labor and material resources are saved, the resource utilization rate is improved, the gate plate and the processing program of the lower die plate body are improved, and the processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an assembled lower die for die casting of a motor rotor according to an embodiment of the present utility model;

fig. 2 is a schematic view of another view angle structure of fig. 1 of an assembled lower die for die casting of a motor rotor according to an embodiment of the present utility model;

fig. 3 is a perspective view of a lower die body structure of a split lower die for die casting a motor rotor according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a front view of a lower die body of a split lower die for die casting a motor rotor according to an embodiment of the present utility model;

fig. 5 is a schematic side view of a lower die body of a split lower die for die casting a rotor of an electric motor according to an embodiment of the present utility model;

fig. 6 is a perspective view of a gate plate structure of a split lower die for die casting of a motor rotor according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a front view structure of a gate plate of an assembled lower die for die casting of a motor rotor according to an embodiment of the present utility model;

fig. 8 is a schematic side view of a gate plate of a split lower die for die casting of a motor rotor according to an embodiment of the present utility model.

Reference numerals:

1. a gate plate; 2. an inner circle; 3. a threaded hole; 4. a gate; 5. a first central hole; 6. a lower die body; 7. a bolt mounting hole; 8. a waist-shaped hole; 9. a second central hole; 10. die casting waist-shaped fan blades; 11. and die casting an aluminum ring.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1, 7 and 8, a split lower die for die casting of a motor rotor comprises a pouring gate plate 1, wherein an inner circle 2 is arranged on the pouring gate plate 1, and a first central hole 5 which is coaxially arranged with the inner circle 2 is arranged on the pouring gate plate 1;

a lower die body 6, the lower die body 6 and the runner plate 1 being detachably connected.

Referring to fig. 2 and 3, a plurality of bolt mounting holes 7 which are equidistantly and annularly arranged are formed in the lower die plate body 6, a plurality of threaded holes 3 which are equidistantly and annularly arranged are formed in the pouring gate plate 1, the positions of the plurality of threaded holes 3 are consistent with the positions of the plurality of bolt mounting holes 7, the plurality of threaded holes 3 are in threaded connection with the same fixing bolts on the corresponding bolt mounting holes 7, and the number of the fixing bolts is multiple.

Referring to fig. 4 and 7, the center position of the lower die body 6 is provided with a second center hole 9, the second center hole 9 and the first center hole 5 are identical in size, and the second center hole 9 and the first center hole 5 are coaxially arranged.

Example 2

Referring to fig. 1, 7 and 8, a split lower die for die casting of a motor rotor comprises a pouring gate plate 1, wherein an inner circle 2 is arranged on the pouring gate plate 1, and a first central hole 5 which is coaxially arranged with the inner circle 2 is arranged on the pouring gate plate 1;

a lower die body 6, the lower die body 6 and the runner plate 1 being detachably connected;

in the above technical solution, the size of the inner circle 2 is smaller than the size of the runner plate 1, the inner circle 2 and the runner plate 1 are also coaxially arranged, the outer side of the lower die plate body 6 and the inner wall of the inner circle 2 can be separated and tightly attached, and the lower die plate body 6 is arranged inside the inner circle.

Referring to fig. 2 and 3, a plurality of bolt mounting holes 7 are formed in the lower die plate body 6 in an equidistant annular arrangement, a plurality of threaded holes 3 are formed in the pouring plate 1 in an equidistant annular arrangement, the plurality of threaded holes 3 correspond to the plurality of bolt mounting holes 7 in the same position, the plurality of threaded holes 3 are in threaded connection with the same fixing bolt with the corresponding bolt mounting holes 7, and a plurality of fixing bolts are arranged in the number;

according to the technical scheme, the specifications of the bolt mounting hole 7 and the threaded hole 3 can be selected according to actual use, the same bolt can be mounted on the threaded hole 3 and the bolt mounting hole 7, the lower die piece body 6 can be mounted and dismounted conveniently, and subsequent replacement operation is utilized.

Referring to fig. 4 and 7, a second central hole 9 is formed in the central position of the lower die body 6, the sizes of the second central hole 9 and the first central hole 5 are consistent, and the second central hole 9 and the first central hole 5 are coaxially arranged;

the purpose of the design of the first central hole 5 and the second central hole 9 in the above technical scheme is for the purpose of the mandrel, the lower die plate body 6 and the runner plate 1 are both used for die casting of the motor rotor, and the specifications of the lower die plate body 6 and the runner plate 1 can be selected according to the die casting requirement of the motor rotor.

Referring to fig. 2, a die-casting aluminum ring 11 is arranged on a pouring gate plate 1, and a die-casting waist-shaped fan blade 10 positioned on one side of the die-casting aluminum ring 11 is arranged on the pouring gate plate 1;

according to the technical scheme, the specifications of the die casting aluminum ring 11 and the die casting waist-shaped fan blade 10 can be selected according to actual use, and the lower die piece body 6 is mounted in cooperation with the pouring gate plate 1.

Referring to fig. 5 and 8, a plurality of equally spaced circular gates 4 are arranged on a gate plate 1, the gates 4 are arranged in two halves, one half of the gates 4 is a waist-shaped pore, the other half of the gates 4 is an elliptical pore, the gates 4 are positioned at the inner side of a threaded hole 3, a lower die plate body 6 and the gate plate 1 are arranged in a ring disk, and the outer side of the lower die plate body 6 and the inner side of an inner circle 2 can be separated from close fit;

in the above technical solution, the specifications of the waist-shaped fine holes and the elliptical holes on the gate 4 can be selected according to the actual use, and the lower die plate body 6 is installed inside the inner circle 2 of the gate plate 1.

However, as is well known to those skilled in the art, the gate plate 1 and the lower die body 6 are well known, and are all conventional or common in the art, and are not described herein in detail, and any optional matching may be performed according to the need or convenience of those skilled in the art.

The working principle and the using flow of the technical scheme are as follows: the lower die plate is composed of a pouring gate plate 1 and a lower die plate body 6, when the lower die plate body 6 is installed, the lower die plate body 6 is embedded into the inner part of the inner circle 2 in a mode shown in fig. 1, the inner wall of the inner circle 2 and the outer side of the lower die plate body 6 can be separated and tightly attached, at the moment, the threaded holes 3 and the corresponding bolt mounting holes 7 are corresponding together, the threaded holes 3 and the bolt mounting holes 7 at the same position are in threaded connection with the same fixing bolt, the assembly operation of the lower die plate is completed, when the lower die plate body 6 is damaged and needs to be replaced, the fixing bolt is only required to be detached by a proper wrench, the damaged lower die plate body 6 is taken down from the pouring gate plate 1, the new lower die plate body 6 is assembled on the original pouring gate plate 1 in the original assembly mode, and the lower die plate body can be continuously used after being fixed by the fixing bolt.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. An assembled lower die piece for die casting of a motor rotor, which is characterized by comprising:

the pouring gate plate (1), wherein the pouring gate plate (1) is provided with an inner circle (2), and the pouring gate plate (1) is provided with a first central hole (5) which is coaxially arranged with the inner circle (2);

-a lower die body (6), said lower die body (6) and said runner plate (1) being detachably connected.

2. The split lower die plate for die casting of the motor rotor according to claim 1, wherein a plurality of bolt mounting holes (7) which are equidistantly and annularly arranged are formed in the lower die plate body (6), a plurality of threaded holes (3) which are equidistantly and annularly arranged are formed in the pouring gate plate (1), the positions of the plurality of threaded holes (3) are corresponding to the positions of the plurality of bolt mounting holes (7), the plurality of threaded holes (3) are in threaded connection with the same fixing bolt on the corresponding bolt mounting holes (7), and the number of the fixing bolts is multiple.

3. The split lower die for die casting of a motor rotor according to claim 1, wherein a second central hole (9) is formed in the central position of the lower die body (6), the second central hole (9) and the first central hole (5) are identical in size, and the second central hole (9) and the first central hole (5) are coaxially arranged.

4. A split lower die for die casting of a motor rotor according to any one of claims 1-3, wherein a die casting aluminum ring (11) is arranged on the pouring gate plate (1), and a die casting waist-shaped fan blade (10) positioned on one side of the die casting aluminum ring (11) is arranged on the pouring gate plate (1).

5. The split lower die plate for die casting of the motor rotor according to claim 2, wherein a plurality of equally spaced gates (4) are arranged on the gate plate (1), the gates (4) are arranged in two halves, one half of the gates (4) is a waist-shaped pore, the other half of the gates (4) is an elliptical hole, and the gates (4) are positioned on the inner side of the threaded hole (3).

6. The split lower die for die casting of a motor rotor according to claim 1, wherein the lower die body (6) and the pouring gate plate (1) are arranged in a ring disc, and the outer side of the lower die body (6) and the inner side of the inner circle (2) can be separated from and tightly attached to each other.

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