A car steering wheel forming mold with a skeleton

Abstract

The utility model relates to a molding die for an automobile steering wheel with a skeleton, wherein the skeleton comprises a central skeleton component and an annular skeleton component, and the mold comprises an upper mold and a lower mold, wherein an upper cavity is arranged on the upper mold, and a lower cavity is arranged on the lower mold, wherein the upper cavity and the lower cavity are molded together to form a molding cavity for the steering wheel, wherein an upper positioning component for positioning the central skeleton component is also arranged on the upper mold, and a lower positioning component for positioning the central skeleton component is also arranged on the lower mold, and an elastic ejection component for ejecting the central skeleton component when the mold is opened is also arranged; through the arrangement of the upper positioning component and the lower positioning component, the skeleton can be conveniently and stably fixed in the mold, and in addition, the lower mold is also provided with an elastic ejection component for ejecting the central skeleton component when the mold is opened, thereby facilitating the ejection of the product, avoiding the occurrence of product sticking to the mold, and improving the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a molding mold for an automobile steering wheel with a skeleton. Background Art

[0002] The steering wheel is a key component that converts the force applied by the driver to the edge of the steering wheel into torque and then transmits it to the steering shaft. The earliest steering wheels were made of metal, but now most steering wheels have a frame wrapped with wrapping materials. The steering wheel frame is mostly zinc alloy or aluminum alloy. Some manufacturers use cheaper and lighter magnesium alloy. From an environmental protection perspective, the wrapping material can be made of EPP through a foaming machine.

[0003] During injection molding production, the skeleton needs to be placed in the mold manually and positioned manually. In addition, after injection molding, the product is easy to stick to the mold, which makes it inconvenient to remove the product, resulting in low production efficiency. Utility Model Content

[0004] The present invention aims to solve one of the problems existing in the existing related technologies to at least a certain extent. To this end, the present invention proposes a car steering wheel molding mold with a skeleton, which can facilitate the positioning of the skeleton and the removal of the product after injection molding.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A molding die for an automobile steering wheel with a skeleton, the skeleton comprising a central skeleton component and an annular skeleton component, the mold comprising an upper mold and a lower mold, the upper mold being provided with an upper cavity, the lower mold being provided with a lower cavity, the upper cavity and the lower cavity being combined to form a molding cavity for the steering wheel, an upper positioning component for positioning the central skeleton component being also provided on the upper mold, a lower positioning component for positioning the central skeleton component being also provided on the lower mold, and an elastic ejection component for ejecting the central skeleton component when the mold is opened.

[0007] In some embodiments, a central through hole and a plurality of positioning through holes are provided on the central skeleton member.

[0008] In some embodiments, the upper positioning assembly includes a plurality of upper positioning pins disposed on the upper mold, and the plurality of upper positioning pins are correspondingly inserted into the positioning through holes.

[0009] In some embodiments, a shaping column is further provided on the upper mold, and the shaping column can be inserted into the central through hole and press the central skeleton member.

[0010] In some embodiments, the lower positioning assembly includes a plurality of lower positioning pins disposed on the lower mold, and the plurality of lower positioning pins are correspondingly inserted into the positioning through holes.

[0011] In some embodiments, the elastic ejection assembly includes a fixed block arranged on the lower mold, a vertical groove is arranged in the fixed block, a push column and a spring are arranged in the vertical groove, the push column is abutted against the bottom of the central skeleton member, when the upper mold and the lower mold are closed, the central skeleton member presses the push column and puts the spring in a compressed state, and when the upper mold and the lower mold are opened, the push column ejects the central skeleton member through the action of the spring.

[0012] In some embodiments, a plurality of the elastic ejection components are provided.

[0013] In some embodiments, a limiting groove is provided on the vertical groove, and a limiting block is provided on the top column, and the limiting block is movably provided in the limiting groove.

[0014] In some embodiments, an upper fixing plate is disposed on the upper mold, and a lower fixing plate is disposed on the lower mold.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: an upper positioning component for positioning the central skeleton component is provided on the upper mold, and a lower positioning component for positioning the central skeleton component is provided on the lower mold, thereby facilitating the secure placement of the skeleton in the mold; in addition, an elastic ejection component for ejecting the central skeleton component when opening the mold is provided on the lower mold, thereby facilitating the ejection of the product, avoiding the occurrence of product sticking to the mold, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the mold of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the upper mold of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the lower mold of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the elastic ejection component of the utility model;

[0020] Figure 5 It is a cross-sectional schematic diagram of the elastic ejection assembly of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the framework of the utility model;

[0022] Figure 7 It is a schematic diagram of the structure of the utility model after the frame is coated with glue and injection molded. DETAILED DESCRIPTION

[0023] The following specific implementation contents provide a variety of different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0024] The following figures and specific implementations further describe the utility model: Figure 1-Figure 7 A car steering wheel molding mold with a skeleton is shown, the skeleton 10 includes a central skeleton component 11 and an annular skeleton component 12, the mold includes an upper mold 1 and a lower mold 2, the upper mold 1 is provided with an upper cavity 4, the lower mold 2 is provided with a lower cavity 3, the upper cavity 4 and the lower cavity 3 are molded together to form a molding cavity for the steering wheel, the upper mold 1 is also provided with an upper positioning component for positioning the central skeleton component 11, the lower mold 2 is also provided with a lower positioning component for positioning the central skeleton component 11, and an elastic ejection component is provided for ejecting the central skeleton component 11 when the mold is opened.

[0025] In the utility model, an upper positioning component for positioning the central skeleton component 11 is provided on the upper mold 1, and a lower positioning component for positioning the central skeleton component 11 is provided on the lower mold 2, so that the skeleton 10 can be firmly fixed in the mold. In addition, the lower mold 2 is also provided with an elastic ejection component for ejecting the central skeleton component 11 when opening the mold, so that the ejection of the product can be facilitated, the product sticking to the mold can be avoided, and the production efficiency can be improved.

[0026] See also Figure 6 , Figure 7 As shown, a central through hole 20 and a plurality of positioning through holes 21 are provided on the central skeleton member 11 .

[0027] See also Figure 3 As shown, the lower positioning assembly includes a plurality of lower positioning pins 51 arranged on the lower mold 2, and the plurality of lower positioning pins 51 are correspondingly inserted into the positioning through holes 21; during operation, the positioning through holes 21 in the central skeleton member 11 are directly placed correspondingly on the lower positioning pins 51, thereby positioning the skeleton 10.

[0028] See also Figure 2 As shown, the upper positioning assembly includes a plurality of upper positioning pins 31 arranged on the upper mold 1, and the plurality of upper positioning pins 31 are correspondingly inserted into the positioning through holes 21. When the mold is closed, the upper positioning pins 31 can be directly inserted into the corresponding positioning through holes 21 in the central skeleton member 11, thereby being able to firmly position and fix the skeleton 10.

[0029] Furthermore, a shaping column 41 is also provided on the upper mold 1. The shaping column 41 can be inserted into the central through hole 20 and press the central skeleton member 11, thereby improving the stability of the skeleton 10 after being fixed and improving the yield rate of injection molding.

[0030] See also Figure 4 , Figure 5 As shown, the elastic ejection assembly includes a fixed block 61 arranged on the lower mold 2, a vertical groove 62 is arranged in the fixed block 61, a push column 63 and a spring 64 are arranged in the vertical groove 62, the push column 63 is abutted against the bottom of the central skeleton member 11, when the upper mold 1 and the lower mold 2 are closed, the central skeleton member 11 presses the push column 63 and makes the spring 64 in a compressed state, when the upper mold 1 and the lower mold 2 are opened, the push column 63 ejects the central skeleton member 11 through the action of the spring 64; since the skeleton 10 is not fully coated with rubber, most of the central skeleton member 11 in the skeleton 10 will be exposed, and the push column 63 abuts against the exposed part, so that when the mold is opened, the central skeleton member 11 is ejected through the action of the spring 64, which is convenient for product demoulding.

[0031] Furthermore, a plurality of elastic ejection components are provided.

[0032] A limiting groove 81 is provided on the vertical groove 62 , and a limiting block 82 is provided on the top column 63 . The limiting block 82 is movably disposed in the limiting groove 81 .

[0033] In the present invention, an upper fixing plate 91 is provided on the upper die 1 , and a lower fixing plate 92 is provided on the lower die 2 .

[0034] Combined with the drawings and the above display and description of the basic principles and main features of the utility model and the advantages of the utility model, the technical personnel in the industry should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mold for forming a steering wheel of an automobile with a skeleton, wherein the skeleton (10) comprises a central skeleton member (11) and an annular skeleton member (12), characterized in that: The mold comprises an upper mold (1) and a lower mold (2); the upper mold (1) is provided with an upper cavity (4), the lower mold (2) is provided with a lower cavity (3), the upper cavity (4) and the lower cavity (3) are combined to form a molding cavity of the steering wheel; the upper mold (1) is also provided with an upper positioning component for positioning a central frame component (11); the lower mold (2) is also provided with a lower positioning component for positioning the central frame component (11); and an elastic ejection component for ejecting the central frame component (11) when the mold is opened.

2. The automotive steering wheel forming mold with a skeleton according to claim 1, characterized in that: A central through hole (20) and a plurality of positioning through holes (21) are provided on the central skeleton member (11).

3. The automotive steering wheel forming mold with a skeleton according to claim 2, characterized in that: The upper positioning assembly comprises a plurality of upper positioning pins (31) arranged on the upper mold (1), and the plurality of upper positioning pins (31) are correspondingly inserted into the positioning through holes (21).

4. The automotive steering wheel forming mold with a skeleton according to claim 2, characterized in that: A shaping column (41) is also provided on the upper mold (1), and the shaping column (41) can be inserted into the central through hole (20) and press the central frame member (11).

5. The automotive steering wheel forming mold with a skeleton according to claim 2, characterized in that: The lower positioning assembly comprises a plurality of lower positioning pins (51) arranged on the lower mold (2), and the plurality of lower positioning pins (51) are correspondingly inserted into the positioning through holes (21).

6. The automotive steering wheel forming mold with a skeleton according to claim 1, characterized in that: The elastic ejection assembly comprises a fixed block (61) arranged on the lower mold (2), a vertical groove (62) is arranged in the fixed block (61), a push column (63) and a spring (64) are arranged in the vertical groove (62), the push column (63) is arranged against the bottom of the central frame member (11), when the upper mold (1) and the lower mold (2) are closed, the central frame member (11) presses the push column (63) and puts the spring (64) in a compressed state, when the upper mold (1) and the lower mold (2) are opened, the push column (63) ejects the central frame member (11) through the action of the spring (64).

7. The automotive steering wheel forming mold with a skeleton according to claim 6, characterized in that: A plurality of elastic ejection components are provided.

8. The automotive steering wheel forming mold with a skeleton according to claim 6, characterized in that: A limiting groove (81) is arranged on the vertical groove (62), and a limiting block (82) is arranged on the top column (63), and the limiting block (82) is movably arranged in the limiting groove (81).

9. The automotive steering wheel forming mold with a skeleton according to claim 1, characterized in that: An upper fixing plate (91) is arranged on the upper mold (1), and a lower fixing plate (92) is arranged on the lower mold (2).

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