CN216682921U

CN216682921U - Elastic rubber hinge forming die

Info

Publication number: CN216682921U
Application number: CN202123207666.9U
Authority: CN
Inventors: 何洲瑚
Original assignee: Kunshan Giant Shuo Electronics Co ltd
Current assignee: Kunshan Giant Shuo Electronics Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-07
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of fine design of molds, and particularly relates to an elastic rubber hinge forming mold. The utility model provides an elastic rubber hinge forming die, which comprises a male die and a female die which can be oppositely pressed, wherein the male die is an upper die and the female die is a lower die; the lower surface of the male die is provided with a smooth male die surface, and the upper surface of the female die is provided with a smooth female die surface; when the mold is closed, the male mold surface is abutted against the female mold surface, a plurality of mold cavities are formed on the abutted interface, the upper side of each mold cavity corresponds to the male mold forming surface protruding downwards from the male mold surface, and the lower side of each mold cavity corresponds to the female mold forming surface recessed downwards from the female mold surface. The die provided by the utility model has the advantages of reasonable design, low cost and convenience in use, and can be used for efficiently preparing elastic rubber hinge products with stable and reliable quality. The product made by the die has the advantages of good elasticity, low noise, capability of relieving impact vibration and the like, is convenient to assemble, and has good durability and adaptability.

Description

Elastic rubber hinge forming die

Technical Field

The utility model belongs to the technical field of fine design of molds, and particularly relates to an elastic rubber hinge forming mold.

Background

The forming die is commonly used for manufacturing various tangible products and has the advantages of high-precision manufacturing of complex surfaces, high manufacturing efficiency and the like. In reality, the design of mould and the design of product are often independently gone on, and forming die directly designs according to the shape of required product, causes some defects that are difficult to overcome for the design of mould easily, and then influences product property ability or restriction production efficiency.

The elastic rubber hinge is a structural member in a notebook keyboard, and has the functions of buffering impact, isolating vibration, not transmitting and not generating noise, and is required to keep certain elasticity in the long-term use process, and the structure has high reliability and durability, and has good adaptability and universality.

When the existing mould is used for manufacturing the elastic rubber hinge, the mode that the mould and a product are independently designed is limited, the mould structure is unreasonable, and the elastic rubber hinge product with stable and reliable quality is difficult to be manufactured with reasonable cost and high efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an elastic rubber hinge forming die.

The elastic rubber hinge forming die provided by the utility model comprises a male die and a female die which can be oppositely pressed, wherein the male die is an upper die and the female die is a lower die, so that ordered and controllable demoulding can be conveniently carried out after a product is manufactured; the lower surface of the male die is provided with a smooth male die surface, and the upper surface of the female die is provided with a smooth female die surface; when the mold is closed, the male mold surface is abutted against the female mold surface, a plurality of mold cavities are formed on the abutted interface, the upper side of each mold cavity corresponds to the male mold forming surface protruding downwards from the male mold surface, and the lower side of each mold cavity corresponds to the female mold forming surface recessed downwards from the female mold surface.

The male die forming surface comprises an arc-shaped lower convex surface, a first forming plane and a first forming slope which are connected in sequence; the female die forming surface comprises an arc-shaped groove surface, a forming inclined surface, a forming vertical surface, a second forming plane and a second forming slope surface which are sequentially connected.

The arc-shaped lower convex surface is opposite to the arc-shaped groove surface up and down, and a bent handle part of a product is formed during working; the first forming plane is opposite to the area formed by connecting the forming inclined plane, the forming vertical plane and the second forming plane up and down, and a tail handle part of a product is formed during working; the first forming slope surface is opposite to the second forming slope surface up and down; when the mold is closed, the first molding plane is abutted with the second molding plane, and the first molding slope is abutted with the second molding slope.

And a forming column which is vertically and upwards protruded is arranged on the forming inclined surface, and a connecting hole for assembling the product is formed on the tail handle of the product when the mould works.

Furthermore, the forming column is provided with a flat top surface, and when the die is closed, the top surface of the forming column is abutted against the first forming plane, so that a through connecting hole is formed in the tail handle of the product.

Further, the cross-section of the profiled pole is preferably rectangular and the profiled pole has a side opposite to the profiled vertical plane, which is parallel to the profiled vertical plane.

Further, arc recess face and shaping inclined plane smooth transition are connected, form curved transition and connect the face to the arc is connected between the curved handle that makes the product and the caudal peduncle, receives external force to lead to the stress of the junction of curved handle and caudal peduncle too concentrated when avoiding using, also needs to be favorable to forming good elasticity simultaneously.

Furthermore, the first molding plane is in smooth transition connection with the first molding slope surface, and the first molding slope surface is in smooth transition connection with the male mold surface; the second forming plane is connected with the second forming slope surface in a smooth transition mode, and the second forming slope surface is connected with the female die surface in a smooth transition mode.

Furthermore, the male die surface and the arc-shaped lower convex surface are in non-smooth connection, and an obtuse angle is formed at the junction; the molding inclined plane is in non-smooth connection with the molding vertical plane, and an acute angle is formed at the junction; the forming vertical plane is connected with the second forming plane in a non-smooth mode, and a right angle is formed at the junction.

Further, when the mold is closed, 16 mold cavities are formed on the interface where the male mold surface is abutted to the female mold surface, and the 16 mold cavities are distributed in a 2 x 8 rectangular array, so that the production efficiency of products is improved, and meanwhile, the reasonable space arrangement of the flow channels is also facilitated.

Has the advantages that: the elastic rubber hinge forming die provided by the utility model is reasonable in design, economical in cost and convenient to use, and can be used for efficiently preparing elastic rubber hinge products with stable and reliable quality. The product made by the die has the advantages of good elasticity, low noise, capability of relieving impact vibration and the like, is convenient to assemble, and has good durability and adaptability.

Drawings

FIG. 1 is a schematic view of the male mold and the female mold.

FIG. 2 is a schematic view of the mating of male and female mold surfaces.

FIG. 3 is a schematic view of the distribution of mold cavities on the male mold surface.

Fig. 4 is a schematic structural diagram of a product.

In the figure, a male die 1, a female die 2, a male die surface 11, a female die surface 21, a male die forming surface 12, a female die forming surface 22, an arc-shaped lower convex surface 121, a first forming plane 122, a first forming slope surface 123, an arc-shaped groove surface 221, a forming slope surface 222, a forming vertical surface 223, a second forming plane 224, a second forming slope surface 225 and a forming column 229.

Detailed Description

The utility model is further illustrated by the following examples, which are intended to illustrate the technical solutions of the utility model more clearly and are not to be construed as a limitation.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1

An elastic rubber hinge forming die is shown in fig. 1 to 4, and comprises a male die 1 and a female die 2 which can be oppositely pressed, wherein the male die 1 is an upper die, and the female die 2 is a lower die; the lower surface of the male die 1 is provided with a smooth male die surface 11, and the upper surface of the female die 2 is provided with a smooth female die surface 21; when the mold is closed, the male mold surface 11 is abutted against the female mold surface 21, and a plurality of cavities are formed on the abutted interface, wherein the upper side of each cavity corresponds to the male mold forming surface 12 protruding downwards from the male mold surface 11, and the lower side of each cavity corresponds to the female mold forming surface 22 recessed downwards from the female mold surface 21.

The male die forming surface 12 comprises an arc-shaped lower convex surface 121, a first forming plane 122 and a first forming slope surface 123 which are connected in sequence; the female die forming surface 22 comprises an arc-shaped groove surface 221, a forming inclined surface 222, a forming vertical surface 223, a second forming plane 224 and a second forming slope surface 225 which are connected in sequence.

The arc-shaped lower convex surface 121 is vertically opposite to the arc-shaped groove surface 221; the first forming plane 122 is vertically opposite to the area formed by connecting the forming inclined plane 222, the forming vertical plane 223 and the second forming plane 224; the first forming slope surface 123 is opposite to the second forming slope surface 225 up and down; when the mold is closed, the first molding plane 122 abuts against the second molding plane 224, and the first molding slope 123 abuts against the second molding slope 225.

On the forming slope 222, there is also a forming column 229 projecting vertically upwards.

In this embodiment, the molding pillars 229 have flat top surfaces, and when the mold is closed, the top surfaces of the molding pillars 229 abut against the first molding plane 122.

In this embodiment, the cross-section of the forming post 229 is rectangular.

In this embodiment, the forming post 229 has a side opposite the forming tab 223 that is parallel to the forming tab 223.

In this embodiment, the arc-shaped groove surface 221 and the molding inclined surface 222 are in smooth transition connection to form an arc-shaped transition connection surface.

In this embodiment, the first molding plane 122 is in smooth transition connection with the first molding slope 123, and the first molding slope 123 is in smooth transition connection with the male mold surface 11; the second forming plane 224 is in smooth transition connection with the second forming slope 225, and the second forming slope 225 is in smooth transition connection with the female die surface 21.

In this embodiment, the male mold surface 11 and the arc-shaped lower convex surface 121 are connected non-smoothly, and an obtuse angle is formed at the junction; the forming bevel 222 and the forming vertical 223 are non-smoothly connected and form an acute angle at the intersection; the forming vertical surface 223 is not smoothly connected with the second forming plane 224 and forms a right angle at the interface.

In this embodiment, 16 cavities are formed at the interface where the male mold surface 11 and the female mold surface 21 are in contact with each other when the molds are closed, and the 16 cavities are arranged in a 2 × 8 rectangular array.

The above embodiments are exemplary only, and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an elasticity rubber hinge forming die which characterized in that: comprises a male die (1) and a female die (2) which can be oppositely pressed, wherein the male die (1) is an upper die and the female die (2) is a lower die; the lower surface of the male die (1) is provided with a flat male die surface (11), and the upper surface of the female die (2) is provided with a flat female die surface (21); when the die is closed, the male die surface (11) is abutted with the female die surface (21), and a plurality of die cavities are formed on the abutted interface, wherein the upper side of each die cavity corresponds to a male die forming surface (12) protruding downwards from the male die surface (11), and the lower side of each die cavity corresponds to a female die forming surface (22) recessed downwards from the female die surface (21);

the male die forming surface (12) comprises an arc-shaped lower convex surface (121), a first forming plane (122) and a first forming slope surface (123) which are sequentially connected; the female die forming surface (22) comprises an arc-shaped groove surface (221), a forming inclined surface (222), a forming vertical surface (223), a second forming plane (224) and a second forming slope surface (225) which are connected in sequence;

the arc-shaped lower convex surface (121) is opposite to the arc-shaped groove surface (221) up and down; the first forming plane (122) is vertically opposite to a region formed by connecting the forming inclined plane (222), the forming vertical plane (223) and the second forming plane (224); the first forming slope surface (123) is opposite to the second forming slope surface (225) up and down; when the mold is closed, the first forming plane (122) is abutted with the second forming plane (224), and the first forming slope surface (123) is abutted with the second forming slope surface (225);

on the forming inclined surface (222), a forming column (229) protruding vertically upwards is further arranged.

2. The elastic rubber hinge forming die according to claim 1, wherein: the profile posts (229) have flat top surfaces, and the top surfaces of the profile posts (229) abut the first profile surface (122) when the mold is closed.

3. The elastic rubber hinge forming die of claim 2, wherein: the cross section of the forming column (229) is rectangular.

4. The elastic rubber hinge forming die of claim 3, wherein: the profiled post (229) has a side opposite the profiled drop (223) that is parallel to the profiled drop (223).

5. The elastic rubber hinge forming die according to claim 1, wherein: the arc-shaped groove surface (221) is in smooth transition connection with the forming inclined surface (222) to form an arc-shaped transition connection surface.

6. The elastic rubber hinge forming die according to claim 1, wherein: the first forming plane (122) is in smooth transition connection with the first forming slope surface (123), and the first forming slope surface (123) is in smooth transition connection with the male die surface (11); the second forming plane (224) is in smooth transition connection with the second forming slope surface (225), and the second forming slope surface (225) is in smooth transition connection with the female die surface (21).

7. The elastic rubber hinge forming die of claim 6, wherein: the male die surface (11) is in non-smooth connection with the arc-shaped lower convex surface (121), and an obtuse angle is formed at the junction; the molding inclined plane (222) is not smoothly connected with the molding vertical plane (223), and an acute angle is formed at the junction; the forming vertical surface (223) is not smoothly connected with the second forming plane (224) and forms a right angle at the junction.

8. The elastic rubber hinge molding die according to any one of claims 1 to 7, wherein: when the die is closed, 16 die cavities are formed on the interface where the male die surface (11) is abutted with the female die surface (21), and the 16 die cavities are distributed in a 2 x 8 rectangular array.