CN215845616U

CN215845616U - Oil pan mould convenient to drawing of patterns

Info

Publication number: CN215845616U
Application number: CN202023339408.1U
Authority: CN
Inventors: 洪光明
Original assignee: Jiangsu Hongma Technology Co ltd
Current assignee: Jiangsu Hongma Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-02-18
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an oil pan mould convenient for demoulding, which comprises a lower mould and an upper mould, wherein an L-shaped groove matched with an oil pan shell is formed in the lower mould, two ends of the groove respectively extend to two side walls of the lower mould, a cavity is formed between the lower mould and the upper mould, a main mould body is fixedly embedded in the cavity, a first top block and a second top block are movably embedded in the cavity, the first top block and the second top block are respectively abutted against the main mould body, and a feeding port for pouring aluminum liquid is formed in the side wall of the lower mould, which is far away from the first top block. According to the oil pan mould convenient for demoulding, the aluminum liquid is injected into the inner cavity through the feeding cylinder, so that the aluminum liquid is attached to the outer wall of the main mould body, the first hydraulic oil cylinder and the second hydraulic oil cylinder drive the first ejector block and the second ejector block to move towards the main mould body to extrude the aluminum liquid to complete the forming of the oil pan, the pressure in the inner cavity is controlled through the air pressure adjusting device communicated with the main mould body in the forming process, the purpose of controlling the pressure of the inner cavity is achieved, the pressure of the inner cavity can be adjusted in time, and the stripping is facilitated.

Description

Oil pan mould convenient to drawing of patterns

Technical Field

The utility model belongs to the technical field of oil pan molds, and particularly relates to an oil pan mold convenient to demold.

Background

The oil pan is the lower half part of the crankcase and is also called as a lower crankcase, and the oil pan is mainly used as a shell for closing an oil storage tank of the crankcase, preventing impurities from entering, collecting and storing lubricating oil flowing back from the friction surface of an engine, dissipating part of heat and preventing the lubricating oil from being oxidized; the existing oil pan is mostly formed by aluminum liquid die-casting, the traditional die-casting mode is to die-cast the aluminum liquid in the integral type internal mold matched with the oil pan, the problem of difficult demoulding exists in the mode, the pressure in the internal mold is difficult to control in the integral type forming mode, and the forming of the oil pan which is not fine can be controlled by external force interference. There is therefore a need for a solution to the above problems.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide an oil pan mould which is convenient for demoulding of an oil pan and easy for demoulding, wherein the oil pan mould is controlled by external force to complete oil pan forming.

In order to achieve the purpose, the utility model provides an oil pan mold convenient for demolding, which is characterized by comprising a lower mold and an upper mold, wherein an L-shaped groove matched with an oil pan shell is formed in the lower mold, two ends of the groove respectively extend to two side walls of the lower mold, a cavity is formed between the lower mold and the upper mold, a main mold body is fixedly embedded in the cavity, a first ejector block and a second ejector block are movably embedded in the cavity, the first ejector block and the second ejector block are respectively abutted against the main mold body, and a feeding port for pouring aluminum liquid is formed in the side wall of the lower mold, which is far away from the first ejector block.

In one example, the upper die is fixedly embedded in an upper die frame, a feeding barrel is vertically inserted into the upper end surface of the upper die frame, the feeding barrel extends into the upper die frame and is connected with the feeding port through a feeding pipeline, and one end, far away from the cavity, of the feeding pipe is connected with a third hydraulic cylinder.

In one example, the lower die is fixedly embedded in a lower die frame, and the lower die frame is provided with a first hydraulic cylinder and a second hydraulic cylinder corresponding to the side walls of the first ejector block and the second ejector block respectively.

In one example, the first hydraulic oil cylinder extends into the groove through a first piston rod and is connected with the first top block, and the first top block is enabled to horizontally displace along the extending direction of the first piston rod.

In one example, the second hydraulic oil cylinder extends into the groove through a second piston rod and is connected with the second top block, and the second top block is enabled to horizontally displace along the extending direction of the second piston rod.

In one example, an oil seal plate is connected to the bottom of the lower mold frame, and a plurality of cushion blocks are arranged between the lower mold frame and the oil seal plate at intervals.

In one example, an air hole used for adjusting air pressure in the main mold body is formed in one end, facing the oil sealing plate, of the main mold body, an air pressure adjusting device is inserted into the air hole, the other end of the air pressure adjusting device is horizontally connected with an air pipe, and the air pipe penetrates through the cushion block and extends to the outer side wall of the cushion block.

The oil pan mould convenient for demoulding provided by the utility model has the following beneficial effects: the aluminum liquid is injected into the inner cavity through the feeding cylinder, so that the aluminum liquid is attached to the outer wall of the main mold body, the first hydraulic oil cylinder and the second hydraulic oil cylinder drive the first ejector block and the second ejector block to extrude the aluminum liquid towards the main mold body to complete the forming of the oil pan, the pressure in the inner cavity is controlled through the air pressure adjusting device communicated with the main mold body in the forming process, the purpose of controlling the pressure of the inner cavity is achieved, the forming quality is high, the pressure of the inner cavity can be timely adjusted, and the material taking-off is facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a principal drawing of an oil pan mold of the present invention for ease of demolding;

FIG. 2 is a schematic structural diagram of an air pressure regulating device according to the present invention;

FIG. 3 is a schematic view of the upper and lower dies of the present invention in a configuration in which they are engaged;

FIG. 4 is a schematic structural view of a lower die of the present invention;

FIG. 5 is a schematic structural view of an upper die of the present invention;

FIG. 6 is a bottom view of the inner chamber of the present invention;

fig. 7 is a schematic structural view of the inner cavity of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the utility model, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 7, an oil pan mold convenient for demolding is provided in an embodiment of the present invention, which includes a lower mold 1 and an upper mold 2, an L-shaped groove 11 adapted to an oil pan is formed in the lower mold 1, two ends of the groove 11 respectively extend to two side walls of the lower mold 1, a cavity 3 is formed between the lower mold 1 and the upper mold 2, a main mold 31 is fixedly embedded in the cavity 3, a first top block 32 and a second top block 33 are movably embedded in the cavity 3, the first top block 32 and the second top block 33 are respectively abutted to the main mold 31, and a feeding port 12 for pouring in an aluminum liquid is formed in a side wall of the lower mold 1 away from the first top block 32.

Specifically, the upper die 2 is fixedly embedded in the upper die frame 21, the material inlet barrel 22 is vertically inserted into the upper end surface of the upper die frame 21, the material inlet barrel 22 extends into the upper die frame 21 and passes through the feeding pipe 221 to form the connecting hole 12, and one end of the feeding pipe 221, which is far away from the cavity 3, is connected with the third hydraulic cylinder 222.

Specifically, the lower die 1 is fixedly embedded in a lower die frame 13, and the lower die frame 13 is provided with a first hydraulic cylinder 14 and a second hydraulic cylinder 15 corresponding to the side walls of the first ejector block 32 and the second ejector block 33, respectively.

Specifically, the first hydraulic cylinder 14 extends into the groove through the first piston rod 141 and is connected to the first top block 32, so that the first top block 32 horizontally displaces along the extending direction of the first piston rod 141.

Specifically, the second hydraulic cylinder 15 extends into the groove through the second piston rod 151 and is connected with the second top block 33, so that the second top block 33 horizontally displaces along the extending direction of the second piston rod 151.

Specifically, the bottom of the lower mold frame 13 is connected with the oil seal plate 4, and a plurality of cushion blocks 5 are arranged between the lower mold frame 13 and the oil seal plate 4 at intervals.

Specifically, one end of the main mold body 31 facing the oil sealing plate 4 is provided with an air hole 311 for adjusting air pressure in the main mold body 31, an air pressure adjusting device 6 is inserted into the air hole 311, the other end of the air pressure adjusting device 6 is horizontally connected with an air pipe 61, and the air pipe 61 penetrates through the cushion block 5 and extends to the outer side wall of the cushion block 5.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an oil pan mould convenient to drawing of patterns, its characterized in that, includes lower mould and last mould, set up the L type recess with oil pan looks adaptation in the lower mould, the recess both ends extend to respectively the both sides wall of lower mould, the lower mould with go up the mould cavity of forming between, the fixed gomphosis has the main die body in the cavity, still activity gomphosis has first kicking block and second kicking block in the cavity, first kicking block with the second kicking block respectively with the mutual butt of main die body, the lower mould is kept away from the lateral wall of first kicking block sets up the pan feeding mouth that supplies aluminium liquid to pour into.

2. The oil pan die convenient for die release as claimed in claim 1, wherein the upper die is fixedly embedded in the upper die frame, a material inlet tube is vertically inserted into the upper end surface of the upper die frame, the material inlet tube extends into the upper die frame and is connected with the material inlet through a material feeding pipeline, and one end of the material feeding pipeline, which is far away from the cavity, is connected with a third hydraulic cylinder.

3. The oil pan die convenient for demolding as claimed in claim 1, wherein the lower die is fixedly embedded in a lower die frame, and the lower die frame is provided with a first hydraulic cylinder and a second hydraulic cylinder respectively corresponding to the side walls of the first ejector block and the second ejector block.

4. The oil pan die convenient for demolding as claimed in claim 3, wherein the first hydraulic cylinder extends into the groove through a first piston rod and is connected with the first top block, so that the first top block is horizontally displaced along the extending direction of the first piston rod.

5. The oil pan die convenient for demolding as claimed in claim 3, wherein the second hydraulic cylinder extends into the groove through a second piston rod and is connected with the second top block, so that the second top block is horizontally displaced along the extending direction of the second piston rod.

6. The oil pan die convenient for demolding as claimed in claim 3, wherein an oil sealing plate is connected to the bottom of the lower die frame, and a plurality of cushion blocks are arranged between the lower die frame and the oil sealing plate at intervals.

7. The oil pan mold convenient to demold according to claim 6, wherein an air hole for adjusting air pressure in the main mold body is formed in one end, facing the oil sealing plate, of the main mold body, an air pressure adjusting device is inserted into the air hole, the other end of the air pressure adjusting device is horizontally connected with an air pipe, and the air pipe penetrates through the cushion block and extends to the outer side wall of the cushion block.