阅读说明：本技术 一种高刚度的圆柱形橡胶弹簧隔振器的制备方法 (Preparation method of high-rigidity cylindrical rubber spring vibration isolator ) 是由 李季 李俊 鲍俊瑶 张文强 袁良鹏 赵旭 李志远 于 2021-10-14 设计创作，主要内容包括：本发明公开了一种高刚度的圆柱形橡胶弹簧隔振器的制备方法,在硫化模具中,将上钢板一、下钢板二、以及中间刚度调节钢板通过硫化粘接工艺与橡胶弹性体密切连接,从而制备出高刚度的圆柱形橡胶弹簧隔振器,可以在不改变橡胶成分配方的情况下显著提高橡胶弹簧隔振器的静刚度和动刚度,尤其是能在橡胶隔振器在硫化过程中方便地改变城市轨道交通浮置板用橡胶弹簧隔振器的静刚度和动刚度,从而可在较大范围内适应城市轨道交通浮置板用橡胶弹簧隔振器刚度的技术要求。(The invention discloses a preparation method of a high-rigidity cylindrical rubber spring vibration isolator, wherein an upper steel plate I, a lower steel plate II and a middle rigidity adjusting steel plate are closely connected with a rubber elastomer in a vulcanization die through a vulcanization bonding process to prepare the high-rigidity cylindrical rubber spring vibration isolator, so that the static rigidity and the dynamic rigidity of the rubber spring vibration isolator can be obviously improved under the condition of not changing a rubber component formula, and particularly, the static rigidity and the dynamic rigidity of the rubber spring vibration isolator for an urban rail transit floating slab can be conveniently changed in the vulcanization process of the rubber vibration isolator, so that the technical requirement on the rigidity of the rubber spring vibration isolator for the urban rail transit floating slab can be met in a larger range.)

1. A preparation method of a cylindrical rubber spring vibration isolator with high rigidity is characterized by comprising the following steps:

s1, before rubber vulcanization, cleaning the upper and lower surfaces of the upper steel plate I (2), the lower steel plate II (4) and the middle rigidity adjusting steel plate (3), and smearing adhesive;

s2, sequentially placing the rubber layer, the lower steel plate II (4), the rubber layer, the middle rigidity adjusting steel plate (3), the rubber layer, the upper steel plate I (2) and the rubber layer in a vulcanization mold, and pressurizing, heating and insulating the vulcanization mold;

and S3, after vulcanization is finished, taking out the vulcanized mould after the vulcanized mould is cooled, and thus preparing the cylindrical rubber spring vibration isolator with high rigidity.

2. The method for manufacturing a cylindrical rubber spring vibration isolator with high stiffness according to claim 1, wherein in the step S2, after vulcanization, a plurality of the rubber layers are vulcanized together and form a rubber elastic body (1), and the upper steel plate I (2), the middle stiffness adjusting steel plate (3) and the lower steel plate II (4) are embedded in the rubber elastic body (1).

3. The manufacturing method of the cylindrical rubber spring vibration isolator with high rigidity according to claim 1, wherein the first upper steel plate (2), the middle rigidity adjusting steel plate (3) and the second lower steel plate (4) are all annular steel plates.

4. The method for manufacturing the cylindrical rubber spring vibration isolator with high rigidity according to claim 2, wherein the rubber elastic body (1) is cylindrical, an annular cambered groove is formed in the outer wall of the rubber elastic body (1), a cylindrical through hole is formed in the axis of the rubber elastic body (1), and a plurality of symmetrical clamping openings are formed in the edges of the upper end face and the lower end face of the rubber elastic body (1).

Technical Field

The invention relates to the technical field of vibration isolators, in particular to a preparation method of a cylindrical rubber spring vibration isolator with high rigidity.

Background

The cylindrical rubber spring vibration isolator is made of rubber with good elasticity and damping performance. In engineering application, specific hardness and dynamic and static stiffness requirements are provided for the cylindrical rubber spring vibration isolator according to the actual load condition.

Generally, the hardness and stiffness of the rubber spring vibration isolator are achieved by adjusting the formulation of the rubber composition, and once the formulation is determined, the hardness and stiffness are unchangeable; and the rigidity of the rubber is improved by adjusting the formula of the rubber, so that the rigidity and the hardness are difficult to improve, and the difficulty is high.

Disclosure of Invention

The invention aims to: the preparation method of the cylindrical rubber spring vibration isolator with high rigidity is provided to solve the defects.

In order to achieve the above purpose, the invention provides the following technical scheme:

a preparation method of a cylindrical rubber spring vibration isolator with high rigidity comprises the following steps:

s1, before rubber vulcanization, cleaning the upper surface and the lower surface of the upper steel plate I, the lower steel plate II and the middle rigidity adjusting steel plate, and smearing adhesive;

s2, sequentially placing a rubber layer, a lower steel plate II, a rubber layer, a middle rigidity adjusting steel plate, a rubber layer, an upper steel plate I and a rubber layer in a vulcanization mold, and pressurizing, heating and insulating the vulcanization mold;

and S3, after vulcanization is finished, taking out the vulcanized mould after the vulcanized mould is cooled, and thus preparing the cylindrical rubber spring vibration isolator with high rigidity.

Preferably, in step S2, after vulcanization, a plurality of the rubber layers are vulcanized together and form a rubber elastic body, and the upper steel plate one, the intermediate stiffness adjustment steel plate, and the lower steel plate two are embedded in the rubber elastic body.

Preferably, the first upper steel plate, the middle rigidity adjusting steel plate and the second lower steel plate are all annular steel plates.

Preferably, the rubber elastomer is cylindrical, an annular arc groove is formed in the outer wall of the rubber elastomer, a cylindrical through hole is formed in the axis of the rubber elastomer, and a plurality of symmetrical clamping openings are formed in the edges of the upper end face and the lower end face of the rubber elastomer.

The invention has the beneficial effects that:

according to the preparation method of the cylindrical rubber spring vibration isolator with high rigidity, the upper steel plate I, the lower steel plate II and the middle rigidity adjusting steel plate are added into the rubber elastomer, so that the static rigidity and the dynamic rigidity of the rubber spring vibration isolator can be obviously improved under the condition of not changing the rubber component formula, particularly, the static rigidity and the dynamic rigidity of the rubber spring vibration isolator for the urban rail transit floating slab can be conveniently changed in the vulcanization process of the rubber vibration isolator, and the technical requirements on the rigidity of the rubber spring vibration isolator for the urban rail transit floating slab can be met in a large range.

Drawings

FIG. 1: the invention discloses a structural side view of a cylindrical rubber spring vibration isolator;

FIG. 2: the invention discloses a structural plan view of a cylindrical rubber spring vibration isolator.

Detailed Description

The present invention is further described with reference to the following examples, which are intended to be illustrative and illustrative only, and various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the claims.

Example 1:

as shown in fig. 1-2, a method for manufacturing a cylindrical rubber spring vibration isolator with high stiffness comprises the following steps:

s1, before rubber vulcanization, cleaning the upper and lower surfaces of the upper steel plate I2, the lower steel plate II 4 and the middle rigidity adjusting steel plate 3, and smearing adhesive; wherein, the upper steel plate I2, the middle rigidity adjusting steel plate 3 and the lower steel plate II 4 are all annular thin steel plates.

S2, sequentially placing the rubber layer, the lower steel plate II 4, the rubber layer, the middle rigidity adjusting steel plate 3, the rubber layer, the upper steel plate I2 and the rubber layer in a vulcanization mold, and pressurizing, heating and insulating the vulcanization mold; after vulcanization, a plurality of rubber layers are vulcanized together to form the rubber elastic body 1, and the upper steel plate I2, the middle rigidity adjusting steel plate 3 and the lower steel plate II 4 are embedded in the rubber elastic body 1.

And S3, after vulcanization is finished, taking out the vulcanized mould after the vulcanized mould is cooled, and thus preparing the cylindrical rubber spring vibration isolator with high rigidity.

In cylindrical rubber spring isolator, rubber elastomer 1 is cylindrical, and is provided with annular cambered surface recess on rubber elastomer 1's the outer wall, is provided with cylindrical through-hole on rubber elastomer 1's the axle center, and rubber elastomer 1's upper and lower terminal surface border department all is provided with the block mouth of a plurality of symmetry.

The invention relates to a preparation method of a high-rigidity cylindrical rubber spring vibration isolator, which is characterized in that an upper steel plate I2, a lower steel plate II 4 and a middle rigidity adjusting steel plate 3 are added in a rubber elastic body 1, the upper steel plate I2 and the lower steel plate II 4 are used for improving the contact rigidity of the rubber vibration isolator with an upper contact surface and a lower contact surface, the middle rigidity adjusting steel plate 3 is used for improving the compression rigidity of the cylindrical rubber spring vibration isolator, the upper steel plate 2, the lower steel plate 4 and the rigidity adjusting steel plate 3 are all closely connected with the rubber elastic body 1 through a vulcanization bonding process, the static stiffness and the dynamic stiffness of the rubber spring vibration isolator can be obviously improved under the condition of not changing the rubber component formula, particularly the static stiffness and the dynamic stiffness of the rubber spring vibration isolator for the urban rail transit floating slab can be conveniently changed in the vulcanization process of the rubber vibration isolator, therefore, the rubber spring vibration isolator can meet the technical requirement on the rigidity of the rubber spring vibration isolator for the urban rail transit floating slab in a larger range.

The foregoing is an illustrative description of the invention, and it is clear that the specific implementation of the invention is not restricted to the above-described manner, but it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial or direct modification.