CN210308623U

CN210308623U - Elastic die parting structure of rubber die

Info

Publication number: CN210308623U
Application number: CN201920894073.8U
Authority: CN
Inventors: 何青松; 潘剑辉; 罗金华
Original assignee: Xiamen Kingtom Rubber Plastic Co ltd
Current assignee: Xiamen Kingtom Rubber Plastic Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-14
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a rubber mold elasticity divides mode structure, including the lower moulded die of mutually supporting and last pressure swage, set up the cavity that can the holding sizing material in the lower moulded die, the internal formation of lower moulded die has a plurality of product die cavities, the feed inlet of each product die cavity in a plurality of intercommunication lower moulded die is seted up to the bottom of cavity, on press the swage including pressing the flitch and connecting on pressing the flitch and with the lug of cavity looks adaptation, can impress the sizing material in the cavity from the feed inlet through the lug and produce the die cavity so that vulcanization shaping, be equipped with a plurality of elastic components between lower moulded die and the last pressure swage with under the elasticity increase through the elastic component when the mould of pressing down the mould and on press the mould between the swage to divide the mould power. The utility model discloses set up a plurality of elastic components and make when the branch mould increase the lower mould through the elasticity of elastic component and go up the mould of pressing and press the mould between the mould so that the nature divides the mould between the mould at the lower mould and last pressure mould.

Description

Elastic die parting structure of rubber die

Technical Field

The utility model relates to a rubber mold technical field, concretely relates to rubber mold elasticity divides mode structure.

Background

The existing upper pressing die of a rubber die is usually connected with a hydraulic column, the die closing or die splitting of the upper pressing die and the lower forming die is controlled by the rising and falling of the hydraulic column, but when the hydraulic column rises, due to the self characteristics of the structure of the hydraulic column, the pulling force of the hydraulic column when the hydraulic column rises is not as good as the downward pressure when the hydraulic column falls, and in the process of heating and vulcanizing the upper pressing die and the lower forming die, because the thermal expansion directions of the matched parts of the lower forming die and the upper pressing die are different, the lower forming die and the upper pressing die in a high-temperature state are close to an interference fit state, and further, the upper pressing die and the lower forming die cannot be driven to be naturally separated when the hydraulic column rises, the processing mode is that the upper pressing die and the lower forming die are separated by manually prying the dies, the production automation cannot be realized, the production efficiency is greatly reduced, and the risk of die.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rubber mold elasticity divides mode structure sets up a plurality of elastic components and makes the elasticity increase lower mould through the elastic component when dividing the mould and press the mould on with the mould to divide mould power so that the nature divides the mould between the material mould under the moulded die sets up between the moulded die and the last material mould.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a rubber mold elasticity divides mode structure, including the lower moulded die of mutually supporting and last pressure swage, set up the cavity that can the holding sizing material in the lower moulded die, the internal formation of lower moulded die has a plurality of product die cavities, the feed inlet of each product die cavity in a plurality of intercommunication lower moulded die is seted up to the bottom of cavity, go up press the swage including press the flitch and connect on pressing the flitch and with the lug of cavity looks adaptation, can press the sizing material in the cavity from the feed inlet through the lug and produce the die cavity so that vulcanization shaping, be equipped with a plurality of elastic components between lower moulded die and the last pressure swage in order to increase the lower moulded die and the last mould power of dividing between the material mould through the elasticity of elastic component when dividing the mould.

Furthermore, one end of the elastic piece is connected with the material pressing plate, and the other end of the elastic piece can elastically abut against the lower forming die.

Furthermore, a plurality of elastic part positioning holes are formed in the pressure plate, and the upper ends of the elastic parts can be inserted into the elastic part positioning holes in a matched mode and are fixedly connected together.

Furthermore, a plurality of elastic pieces are symmetrically and uniformly distributed on two opposite sides of the pressure plate so as to ensure the balance of the die parting force.

Furthermore, three elastic pieces are uniformly distributed on two opposite sides of the pressure plate respectively.

Further, the lower forming die is provided with a groove which can be matched with the elastic piece at a position corresponding to the lower end of the elastic piece, and the length of the elastic piece is configured as follows: when the lower forming die and the upper pressing die are combined, the elastic piece can protrude into the groove and be compressed, and then an elastic die separating force is formed between the lower forming die and the upper pressing die.

Further, the outer sides of the grooves are all open.

Further, the elastic member is a compression spring.

Furthermore, the lower forming die is of a split structure so as to open a product cavity and take out the formed rubber product.

Rubber mold elasticity divide mould structure, have following advantage:

the utility model discloses an one of them uses the scene to do: the lower forming die is fixedly arranged, the upper pressing die is connected with a hydraulic column, the die assembly or die separation of the upper pressing die and the lower forming die is controlled by the rising and falling of the hydraulic column, but when the hydraulic column rises, due to the self characteristics of the structure, the pulling force of the hydraulic column when the hydraulic column rises is not as good as the downward pressure when the hydraulic column falls, and in the heating and vulcanizing process of the upper pressing die and the lower forming die, because the thermal expansion directions of the matched parts of the lower forming die and the upper pressing die are different, the lower forming die and the upper pressing die in a high temperature state are close to an interference fit state, and further, the upper pressing die and the lower forming die cannot be driven to be separated when the hydraulic column rises, a plurality of elastic pieces are arranged between the lower forming die and the upper pressing die, when the hydraulic column drives the upper pressing die to fall, the downward pressure of the hydraulic column can resist the elasticity of the elastic pieces to enable the upper pressing die and the lower forming die to be, when the hydraulic column rises upwards and the lower pressure on the upper pressing die is removed, the elastic part between the lower forming die and the upper pressing die can generate an elastic die separating force, so that the upper pressing die tends to bounce upwards relative to the lower forming die, the upper pressing die and the lower forming die are naturally separated under the drive of the hydraulic column, the production efficiency is improved, and the service life of the die is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a mold closing operation according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of another angle structure in mold closing according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of the mold splitting according to the embodiment of the present invention.

Fig. 4 is a schematic view of another angle of the three-dimensional structure during mold splitting according to the embodiment of the present invention.

Fig. 5 is a front view of the mold split according to the embodiment of the present invention.

Fig. 6 is a front view of the mold clamping of the embodiment of the present invention.

Fig. 7 is a sectional view a-a in fig. 6.

Description of reference numerals:

1. the lower forming die comprises a lower forming die, 2, an upper pressing die, 3, an elastic part, 11, a concave cavity, 12, a product cavity, 13, a feeding hole, 14, a groove, 21, a pressing plate, 22, a bump, 211 and an elastic part positioning hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, in the embodiment, an elastic mold splitting structure of a rubber mold includes a lower forming mold 1 and an upper pressing mold 2, which are matched with each other, a cavity 11 capable of accommodating a rubber material is formed in the lower forming mold 1, a plurality of product cavities 12 are formed in the lower forming mold 1, a plurality of feed inlets 13 communicating with the product cavities 12 in the lower forming mold 1 are formed at the bottom of the cavity 11, the upper pressing mold 2 includes a pressing plate 21 and a protruding block 22 connected to the pressing plate 21 and adapted to the cavity 11, the rubber material in the cavity 11 can be pressed into the product cavities 12 from the feed inlets 13 through the protruding block 22 so as to be vulcanized and formed, and a plurality of elastic members 3 are disposed between the lower forming mold 1 and the upper pressing mold 2 so as to increase a mold splitting force between the lower forming mold 1 and the upper pressing mold 2 through elastic forces of the elastic members 3 during mold splitting. One of the application scenarios in this embodiment is as follows: the lower forming die 1 is fixedly arranged, the upper pressing die 2 is connected with a hydraulic column (not shown), the die assembly or die separation of the upper pressing die 2 and the lower forming die 1 is controlled by the rising and falling of the hydraulic column, but when the hydraulic column rises, the pulling force of the hydraulic column when rising is not as good as the downward force when falling due to the self-characteristics of the structure, and in the process of die assembly and heating vulcanization of the upper pressing die 2 and the lower forming die 1, because the thermal expansion direction of the matched part of the lower forming die 1 and the upper pressing die 2 is different, the lower forming die 1 and the upper pressing die 2 in a high temperature state are close to an interference fit state, and further the upper pressing die 2 and the lower forming die 1 cannot be driven to be separated when the hydraulic column rises, in the embodiment, a plurality of elastic pieces 3 are arranged between the lower forming die 1 and the upper pressing die 2, when the upper pressing die 2 is driven to fall by the hydraulic column, the downward force of the hydraulic column can resist the elastic pieces 3 to enable the upper pressing die 2 and the lower forming die 1 to be tight, when the hydraulic column rises upwards and the lower pressure on the upper pressing die 2 is removed, the elastic part 3 between the lower forming die 1 and the upper pressing die 2 can generate an elastic die separating force, so that the upper pressing die 2 has a tendency of bouncing upwards relative to the lower forming die 1, the upper pressing die 2 and the lower forming die 1 are conveniently separated naturally under the driving of the hydraulic column, and further, the production efficiency is improved, and the service life of the die is prolonged.

Referring to fig. 1 to 7, in the present embodiment, preferably, one end of the elastic member 3 is connected to the pressing plate 21, and the other end thereof can elastically press against the lower forming die 1. Preferably, the pressing plate 21 is provided with a plurality of elastic member positioning holes 211, and the upper ends of the elastic members 3 can be inserted into the elastic member positioning holes 211 and fixedly connected together. Preferably, a plurality of elastic members 3 are symmetrically and evenly distributed on two opposite sides of the pressure plate 21 to ensure the balance of the mold parting force. Preferably, three elastic members 3 are uniformly distributed on two opposite sides of the pressure plate 21. In this embodiment, preferably, the elastic member 3 is a compression spring, and the compression spring may be a compression spring with a large elastic coefficient, because the downward pressure of the hydraulic column connected to the upper pressing mold 2 may be very large, for example, 300t or more, so that the downward pressure generated by the hydraulic column can resist the resilience of the compression spring to tightly close the upper pressing mold 2 and the lower forming mold 1, and after the hydraulic column is lifted and the downward pressure on the upper pressing mold 2 is removed, an elastic mold splitting force can be generated between the lower forming mold 1 and the upper pressing mold 2 by the resilience of the compression spring, and the larger the elastic coefficient of the compression spring is, the larger the elastic mold splitting force is, and the easier the upper pressing mold 2 and the lower forming mold 1 are separated. Furthermore, it should be understood by those skilled in the art that the elastic member 3 may also have a lower end connected to the lower forming die 1 and an upper end elastically pressed against the pressing plate 21, as long as an elastic mold parting force is formed between the lower forming die 1 and the upper pressing die 2.

Referring to fig. 3, 4 and 7, in the embodiment, the lower forming die 1 is provided with a groove 14 capable of being matched with the elastic member 3 at a position corresponding to the lower end of the elastic member 3, and the length of the elastic member 3 is configured as follows: when the lower forming die 1 and the upper pressing die 2 are closed, the elastic piece 3 can protrude into the groove 14 and be compressed, so that an elastic die parting force is formed between the lower forming die 1 and the upper pressing die 2. Preferably, the outer sides of the grooves 14 are both open. In this embodiment, the lower forming die 1 is provided with a groove 14 capable of being matched with the elastic member 3 at a position corresponding to the lower end of the elastic member 3 to guide the lower end of the elastic member 3, so that the elastic force of the elastic member 3 is more stable.

Referring to fig. 7, in the present embodiment, the lower forming mold 1 is a split structure so as to open the product cavity 12 to take out the formed rubber product.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims

1. The utility model provides a rubber mold elasticity divides mode structure which characterized in that: comprises a lower forming die (1) and an upper pressing die (2) which are mutually matched, a concave cavity (11) which can contain sizing materials is arranged in the lower forming die (1), a plurality of product cavities (12) are formed in the lower forming die (1), a plurality of feed inlets (13) which are communicated with the product cavities (12) in the lower forming die (1) are arranged at the bottom of the concave cavity (11), the upper pressing die (2) comprises a pressing plate (21) and a convex block (22) which is connected on the pressing plate (21) and is matched with the concave cavity (11), the rubber material in the cavity (11) can be pressed into a product cavity (12) from the feeding hole (13) through the bump (22) so as to be vulcanized and formed, and a plurality of elastic pieces (3) are arranged between the lower forming die (1) and the upper pressing die (2) so as to increase the die parting force between the lower forming die (1) and the upper pressing die (2) through the elasticity of the elastic pieces (3) during die parting.

2. The elastic die-splitting structure of a rubber die as set forth in claim 1, wherein: one end of the elastic piece (3) is connected with the pressure plate (21), and the other end of the elastic piece can elastically abut against the lower forming die (1).

3. The elastic die-splitting structure of a rubber die as set forth in claim 2, wherein: a plurality of elastic piece positioning holes (211) are formed in the material pressing plate (21), and the upper ends of the elastic pieces (3) can be inserted into the elastic piece positioning holes (211) in a matching mode and are fixedly connected together.

4. The elastic die-splitting structure of a rubber die as set forth in claim 3, wherein: a plurality of elastic pieces (3) are symmetrically and uniformly distributed on two opposite sides of the pressure plate (21) so as to ensure the balance of mold splitting force.

5. The elastic die-splitting structure of a rubber die as set forth in claim 4, wherein: three elastic pieces (3) are respectively and uniformly distributed on two opposite sides of the pressure plate (21).

6. The elastic die-splitting structure of a rubber die as set forth in claim 4, wherein: the lower forming die (1) is provided with a groove (14) which is matched with the elastic part (3) at a position corresponding to the lower end of the elastic part (3), and the length of the elastic part (3) is configured as follows: when the lower forming die (1) and the upper material pressing die (2) are closed, the elastic piece (3) can protrude into the groove (14) and be compressed, and then an elastic die parting force is formed between the lower forming die (1) and the upper material pressing die (2).

7. The elastic die-splitting structure of a rubber die as set forth in claim 6, wherein: the outer sides of the grooves (14) are all open.

8. The elastic die-separating structure of a rubber die as claimed in any one of claims 1 to 7, wherein: the elastic piece (3) is a compression spring.

9. The elastic die-separating structure of a rubber die as claimed in any one of claims 1 to 7, wherein: the lower forming die (1) is of a split structure so as to open a product cavity (12) and take out a formed rubber product.