CN217252720U

CN217252720U - Forming die of new energy automobile controller casing

Info

Publication number: CN217252720U
Application number: CN202220924589.4U
Authority: CN
Inventors: 朱劲松
Original assignee: Zhejiang Cenrui Metal Technology Co ltd
Current assignee: Zhejiang Cenrui Metal Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-23
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a forming die of a new energy automobile controller shell, which comprises a front film frame and a rear film frame, wherein a rear mold core is fixed on the rear film frame, a front film core is arranged on the front film frame in a matching way, and a cavity is formed after the front film core and the rear mold core are closed; the middle of the rear die core is a die-casting area, a plurality of inclined grooves are arranged on the die-casting area, and the grooves are slender; two first liquid inlets are formed in the left side of the die-casting area and connected with a herringbone first liquid inlet flow channel; die-casting district upside is equipped with the second inlet, and second feed liquor runner is connected to the second inlet, and second feed liquor runner is linked together through bypass runner and first feed liquor runner, the incline direction of second feed liquor runner is unanimous with the incline direction of die-casting district upper groove. The utility model discloses set up second feed liquor runner and second inlet at the upside of back mould benevolence, made things convenient for the metal liquid to flow in the same direction as heat dissipation muscle direction, filled the heat dissipation muscle, guaranteed the radiating effect of automobile controller casing.

Description

Forming die of new energy automobile controller casing

Technical Field

The utility model relates to an automobile controller accessory processing technology field, in particular to forming die of new forms of energy automobile controller casing

Background

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Die casting is particularly suitable for manufacturing a large number of small and medium-sized castings, so die casting is the most widely used one of various casting processes.

Along with the popularization of new energy vehicles, electric vehicles are more and more widely used, an automobile controller is a very key control part on the electric vehicles, and the automobile controller manages, coordinates and monitors all links of a power system of the new energy vehicle so as to improve the energy utilization efficiency of the whole vehicle and ensure safety and reliability. The automobile controller can generate heat in the working process, and if the heat generated by the operation of the automobile controller is not timely dissipated in the long-time running process of the electric vehicle, the performance and the service life of the automobile controller can be influenced by heat accumulation, and further the working performance of the electric vehicle can be influenced. Therefore, the outside of the automobile controller shell is generally provided with the heat dissipation ribs, the heat dissipation ribs are generally arranged to be inclined for enhancing the heat dissipation effect, and during die-casting, because the liquid inlet end is positioned on one side of the automobile controller shell, a certain angle exists between the flowing direction of liquid and the direction formed by the heat dissipation ribs, the flowing speed of the liquid is reduced, the die-casting time is prolonged, and the die-cast heat dissipation ribs are easily hollow, so that the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a forming die of new forms of energy automobile controller casing can fill the heat dissipation muscle fast, improves the heat dispersion of automobile controller casing.

Therefore, the technical scheme of the utility model is that: a forming die of a new energy automobile controller shell comprises a front film frame and a rear film frame, wherein a rear die core is fixed on the rear film frame, a front film core is arranged on the front film frame in a matched mode, and a cavity is formed after the front film core and the rear die core are closed; the middle of the rear die core is a die-casting area, a plurality of inclined grooves are arranged on the die-casting area, and the grooves are slender; two first liquid inlets are formed in the left side of the die-casting area and connected with a herringbone first liquid inlet flow channel; die-casting district upside is equipped with the second inlet, and second inlet flow channel is connected to the second inlet, and second inlet flow channel is linked together through bypass flow channel and first inlet flow channel, the whole slope of second inlet flow channel, the incline direction of second inlet flow channel and die-casting district upper groove's incline direction are unanimous.

The utility model discloses the automobile controller casing that will die-cast is for lapping the structure, and the lateral surface is equipped with the heat dissipation muscle of a plurality of slopes, and the recess in die-casting district just can form elongated heat dissipation muscle on the back mould benevolence. Because the obliquely arranged heat dissipation ribs have a part of their starting point on the left side, but also have a part of the heat dissipation ribs functioning on the upper side. Therefore, when liquid is poured, the liquid is divided into three paths along the first liquid inlet flow channel, wherein the two paths flow in from the first liquid inlet on the left side of the die-casting area, and the heat dissipation ribs with the pouring starting points positioned on the left side are convenient to pour; another way flows into the die-casting district from the second inlet of die-casting district upside through bypass runner and second inlet flow channel, and second inlet flow channel and second inlet are unanimous with die-casting district inner groovy direction, make things convenient for the molten metal directly to flow along the direction of recess for inlet speed improves, fills the heat dissipation muscle fast.

Preferably, the liquid inlet device further comprises a sprue bush, the sprue bush is fixed on the front film frame, a convex block is arranged on the rear film frame and closely matched with the bottom of the sprue bush, and a notch is formed in the side face of the convex block and communicated with the first liquid inlet flow channel. The sprue bush can move together with the front film frame, when the front film frame and the rear film frame are folded, the sprue bush is attached to the convex block, and molten metal flows into the first liquid inlet flow channel from the sprue bush through a gap of the convex block.

Preferably, the first liquid inlet is of a horn-shaped structure, a first inclined plane and a second inclined plane are arranged on two sides of the second liquid inlet, the inclined direction of the first inclined plane is consistent with that of the groove in the die-casting area, and the inclination of the second inclined plane is greater than that of the first inclined plane. In order to facilitate liquid inlet, the first liquid inlet is arranged in a horn shape, so that the liquid inlet amount is increased; the second liquid inlet is of an inclined trumpet shape, the first inclined plane close to the left side is consistent with the groove direction, and metal liquid can conveniently flow along the groove direction.

Preferably, a thimble mechanism is arranged behind the rear film frame, and the thimble mechanism comprises a plurality of thimbles; the die-casting area is provided with a plurality of through holes, and the ejector pins are inserted into the through holes. When demoulding, preceding membrane frame separates with back membrane frame, and thimble mechanism promotes the thimble, and the thimble can move back mould benevolence with the good automobile controller casing of die-casting, accomplishes the demoulding work, because the inside burr that can not remain of automobile controller casing, otherwise burr, piece fall into on the circuit board, can burn out the circuit, so when automobile controller casing die-casting, back mould benevolence one side is the lateral surface of automobile controller casing, and the thimble pushes up at the lateral surface, can not leave the burr at automobile controller casing medial surface.

Preferably, the side surface of the rear film frame is provided with a hot oil inlet and a cooling water inlet, and the rear mold core is internally provided with a plurality of flow channels which are respectively communicated with the hot oil inlet and the cooling water inlet. In order to ensure that the poured liquid is kept in a high-temperature liquid state, high-temperature hot oil can flow into the rear film frame to avoid the liquid from being cooled; and after pouring, in order to quickly cool the poured automobile controller shell, low-temperature cooling water flows into the rear mold core to help the automobile controller shell to be quickly cooled and shaped.

Compared with the prior art, the beneficial effects of the utility model are that: the first liquid inlet is formed in the left side of the rear mold core to ensure a normal metal liquid flow channel, the second liquid inlet flow channel and the second liquid inlet are formed in the upper side of the rear mold core, and the inclination direction of the second liquid inlet flow channel is consistent with the direction of the groove in the rear mold core, so that metal liquid can conveniently flow along the direction of the heat dissipation rib, the heat dissipation rib is filled, and the heat dissipation effect of the automobile controller shell is ensured; the thimble sets up at automobile controller casing lateral surface, reduces the production of automobile controller casing medial surface burr, guarantees the die-casting quality of automobile controller casing.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic structural view of the rear mold insert of the present invention;

fig. 5 is a schematic structural view of a vehicle controller housing.

Labeled as: the die-casting device comprises a front film frame 1, a front film core 11, a rear film frame 2, a rear mold core 21, a bump 22, a notch 23, a die-casting area 24, a groove 25, a through hole 26, a hot oil inlet and outlet 27, a cooling water inlet and outlet 28, a sprue bush 3, a first liquid inlet 41, a first liquid inlet flow channel 42, a second liquid inlet 43, a second liquid inlet flow channel 44, a bypass flow channel 45, a first inclined plane 46, a second inclined plane 47, an ejector pin mechanism 5, an ejector pin 51, a vehicle controller shell 6 and a heat dissipation rib 61.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

See the drawings. The forming die of the new energy automobile controller shell comprises a front film frame 1 and a rear film frame 2, wherein a rear mold core 21 is fixed on the rear film frame 2, a front film core 11 is arranged on the front film frame 1 in a matched manner, and a cavity is formed after the front film core 11 and the rear mold core 21 are closed; still include runner cover 3, runner cover 3 is fixed on preceding membrane frame 1, be equipped with a lug 22 on the back membrane frame 2, lug 22 closely cooperates with 3 bottoms of runner cover, and lug 22 side is equipped with breach 23, and runner cover 3 can move with preceding membrane frame 1 together, and when preceding membrane frame 1 and back membrane frame 2 folded, runner cover 3 and lug 22 laminating, the breach of lug formed the liquid outlet.

The middle of the rear die core 21 is a die-casting area 24, the die-casting area is provided with a plurality of inclined grooves 25, the grooves incline from the upper left to the lower right, the grooves are elongated, and elongated heat dissipation ribs can be formed in the grooves during die-casting; two first liquid inlets 41 are arranged on the left side of the die-casting area 24, the first liquid inlets 41 are of a horn-shaped structure, the first liquid inlets 41 are connected with a herringbone first liquid inlet flow channel 42, and the first liquid inlet flow channel 42 is communicated with a notch of the bump 22.

The upside of die-casting district 24 is equipped with second inlet 43, and second inlet 43 connects second feed liquor runner 44, and second feed liquor runner 44 is linked together with first feed liquor runner 42 through bypass flow channel 45, the whole slope of second feed liquor runner 44, the incline direction of second feed liquor runner 44 is unanimous with the incline direction of die-casting district upper groove 25. A first inclined surface 46 and a second inclined surface 47 are arranged on two sides of the second liquid inlet 43, the inclined direction of the first inclined surface 46 is consistent with that of the upper groove 25 of the die-casting area, and the inclination of the second inclined surface 47 is greater than that of the first inclined surface 46. In order to facilitate liquid inlet, the second liquid inlet is in an inclined horn shape, the direction of the first inclined plane close to the left side is consistent with that of the groove, and metal liquid can conveniently flow along the direction of the groove.

A thimble mechanism 5 is arranged behind the rear film frame 2, and the thimble mechanism 5 comprises a plurality of thimbles 51; the die-casting area 24 is provided with a plurality of through holes 26, and the ejector pins are inserted into the through holes. When demoulding, preceding membrane frame separates with back membrane frame, and thimble mechanism promotes the thimble, and the thimble can move back the good automobile controller casing of die-casting from back mould benevolence, accomplishes the demoulding work, because the inside burr that can not remain of automobile controller casing, otherwise burr, piece fall into on the circuit board, can burn out the circuit, so when automobile controller casing die-casting, back mould benevolence one side is the lateral surface of automobile controller casing, and the thimble pushes up at the lateral surface, can not leave the burr at automobile controller casing medial surface.

The side surface of the rear film frame 2 is provided with a hot oil inlet and outlet 27 and a cooling water inlet and outlet 28, and a plurality of flow channels are arranged in the rear mold core and are respectively communicated with the hot oil inlet and outlet and the cooling water inlet and outlet. In order to ensure that the poured liquid is kept in a high-temperature liquid state, high-temperature hot oil can flow into the rear film frame to avoid the liquid from being cooled; and after pouring, in order to quickly cool the poured automobile controller shell, low-temperature cooling water flows into the rear mold core to help the automobile controller shell to be quickly cooled and shaped.

The automobile controller housing 6 die-cast in this embodiment is of a cover plate structure, the outer side surface of the automobile controller housing is provided with a plurality of inclined heat dissipation ribs 61, and the grooves 25 in the die-casting area on the rear mold core 21 can form the elongated heat dissipation ribs 61. During die casting, the front film frame 1 and the rear film frame 2 are folded, a cavity is formed by the front film core 11 and the rear mold core 21, and the sprue bush 3 is tightly matched with the lug 22 on the rear film frame; the mechanical arm pours the metal liquid into the sprue bush 3, the metal liquid is divided into three paths along the first liquid inlet flow channel 42, and the two paths flow into the die-casting area from the first liquid inlet 41 on the left side, so that the heat dissipation ribs with casting starting points on the left side are convenient to pour; the other path of the metal liquid flows into the die-casting area 24 from a second liquid inlet 43 on the upper side of the die-casting area through a bypass flow passage 45 and a second liquid inlet flow passage 44, the metal liquid directly flows along the direction of the groove 25, the liquid inlet speed is improved, and the heat dissipation ribs 61 are quickly filled.

After the die casting is finished, the front film frame 1 is driven by a machine to be slowly separated from the rear film frame 2, the ejector pin mechanism 5 and the ejector pin 51 on the rear side of the rear film frame 2 push the die-cast automobile controller shell 6 out of the rear mold core 21, and the die-cast automobile controller shell falls into the material frame. And after demoulding, resetting the front film frame and the thimble mechanism, and repeating the pouring process to complete the die-casting work of the automobile controller shell.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A forming die of a new energy automobile controller shell comprises a front film frame and a rear film frame, wherein a rear die core is fixed on the rear film frame, a front film core is arranged on the front film frame in a matched mode, and a cavity is formed after the front film core and the rear die core are closed; the method is characterized in that: the middle of the rear die core is a die-casting area, a plurality of inclined grooves are arranged on the die-casting area, and the grooves are slender; two first liquid inlets are formed in the left side of the die-casting area and connected with a herringbone first liquid inlet flow channel; die-casting district upside is equipped with the second inlet, and second inlet flow channel is connected to the second inlet, and second inlet flow channel is linked together through bypass flow channel and first inlet flow channel, the whole slope of second inlet flow channel, the incline direction of second inlet flow channel and die-casting district upper groove's incline direction are unanimous.

2. The forming die of the new energy automobile controller shell according to claim 1, characterized in that: the liquid inlet device is characterized by further comprising a sprue bush, wherein the sprue bush is fixed on the front film frame, a convex block is arranged on the rear film frame, the convex block is tightly matched with the bottom of the sprue bush, and a notch is formed in the side face of the convex block and communicated with the first liquid inlet flow channel.

3. The forming die of the new energy automobile controller shell according to claim 1, characterized in that: the first liquid inlet is of a horn-shaped structure, a first inclined plane and a second inclined plane are arranged on two sides of the second liquid inlet, the inclined direction of the first inclined plane is consistent with that of the groove in the die-casting area, and the inclination of the second inclined plane is greater than that of the first inclined plane.

4. The forming die of the new energy automobile controller shell according to claim 1, characterized in that: a thimble mechanism is arranged behind the rear film frame and comprises a plurality of thimbles; the die-casting area is provided with a plurality of through holes, and the ejector pins are inserted into the through holes.

5. The forming die of the new energy automobile controller shell according to claim 1, characterized in that: the side surface of the rear film frame is provided with a hot oil inlet and a cooling water inlet, and a plurality of flow channels are arranged in the rear mold core and are respectively communicated with the hot oil inlet and the cooling water inlet.