阅读说明：本技术 一种悬式超疏水绝缘子成型模具 (Suspension type super-hydrophobic insulator forming die ) 是由 赵美云 何钱 李伟 田森 殷云辉 于 2019-10-31 设计创作，主要内容包括：一种悬式超疏水绝缘子成型模具,它包括模具压模以及设置在模具压模中的模具槽,模具槽包括主轴槽和排列在主轴槽外弧面的伞裙槽,在伞裙槽的槽体壁上设有若干凹型槽。本发明的目的是为了解决现有技术中在绝缘子表面制作的超疏水结构层和基底结合不牢固、机械耐磨性差的技术问题。(The utility model provides a super hydrophobic insulator forming die of suspension type, it includes the mould moulding-die and sets up the mould groove in the mould moulding-die, and the mould groove includes main shaft groove and arranges the full skirt groove at the outer cambered surface of main shaft groove, is equipped with a plurality of concave grooves on the cell body wall in full skirt groove. The invention aims to solve the technical problems that a super-hydrophobic structure layer manufactured on the surface of an insulator is not firmly combined with a substrate and is poor in mechanical wear resistance in the prior art.)

1. The utility model provides a super hydrophobic insulator forming die of suspension type, it includes the mould moulding-die and sets up the mould groove in the mould moulding-die, and the mould groove includes the main shaft groove and arranges the full skirt groove at the outer cambered surface of main shaft groove, its characterized in that: the wall of the umbrella skirt groove (6) is provided with a plurality of concave grooves (5).

2. The suspended super-hydrophobic insulator forming die of claim 1, wherein: the concave groove (5) is of a cylindrical groove structure.

3. The suspended super-hydrophobic insulator forming die of claim 2, wherein: the distance between the concave groove (5) and the wall of the groove body is 100-200 um.

4. The suspended super-hydrophobic insulator forming die of claim 3, wherein: the maximum distance between the upper surface of the concave groove (5) and the bottom end is 200-300 um.

5. The suspended super-hydrophobic insulator forming mold according to any one of claims 1 to 4, wherein: the die pressing die is characterized in that a first die pressing assembly (1), a second die pressing assembly (2), a third die pressing assembly (3) and a fourth die pressing assembly (4) are sequentially arranged from one end to the other end of a main shaft groove along the axial direction of the main shaft groove, the first die pressing assembly (1) is connected with the second die pressing assembly (2), the second die pressing assembly (2) is connected with the third die pressing assembly (3), and the third die pressing assembly (3) is connected with the fourth die pressing assembly (4) through a separable connecting mechanism (7).

6. The suspended super-hydrophobic insulator forming die of claim 5, wherein: the separable connecting structure is connected by bolts.

7. The suspended super-hydrophobic insulator forming die of claim 5, wherein: the mould comprises a first mould pressing die and a second mould pressing die which are symmetrically arranged, wherein the first mould pressing die and the second mould pressing die are combined through clinging on a pressing die surface to form a complete mould pressing die.

8. The suspended super-hydrophobic insulator forming die of claim 7, wherein: and a positioning groove (8) and a positioning column (9) which are matched with each other are arranged on the binding surfaces of the first die pressing die and the second die pressing die, and lugs (10) and bolts which are matched with each other are arranged at the edge of the joint of the first die pressing die and the second die pressing die.

9. The suspended super-hydrophobic insulator forming die of claim 8, wherein the following steps are adopted in the manufacturing of the super-hydrophobic insulator:

1) combining a first die assembly (1), a second die assembly (2), a third die assembly (3), and a fourth die assembly (4) in order in the axial direction of a spindle groove of a die press and from one end to the other end of the spindle groove;

2) the first die assembly (1) and the second die assembly (2), the second die assembly (2) and the third die assembly (3), and the third die assembly (3) and the fourth die assembly (4) are connected and fastened through a separable connecting structure;

3) combining the first mold press die with the second mold press die by abutting on the press die surface to form a complete mold press die;

4) manufacturing an insulator through the complete die pressing die;

5) after the manufacture is finished, the separable connecting mechanisms among the first die assembly (1), the second die assembly (2), the third die assembly (3) and the fourth die assembly (4) are opened, and the manufactured and molded insulator is taken out.

10. The suspended super-hydrophobic insulator forming die of claim 9, wherein: in the step 3), the first die pressing die and the second die pressing die are aligned through a positioning groove (8) and a positioning column (9) which are matched with each other when being attached tightly, and the lugs (10) arranged at the edges of the joint are matched with bolts to realize the connection.

Technical Field

The invention relates to high-voltage insulation part manufacturing equipment, in particular to a suspension type super-hydrophobic composite insulator forming die.

Background

The invention discloses a suspension type super-hydrophobic composite insulator forming die, wherein the composite insulator is widely applied to overhead transmission lines due to excellent mechanical property and surface hydrophobicity, the umbrella skirt is made of silicon rubber, the surface of the umbrella skirt has certain hydrophobicity, and in order to further improve the dirt flash resistance and the anti-icing capacity of the insulator, the higher the hydrophobicity is, the better the hydrophobicity is.

The prior art generally discloses a method for improving the surface hydrophobicity of an insulator by manufacturing a super-hydrophobic coating on the surface of the insulator, and patent document with publication number CN207676747U discloses an insulator mold, wherein a mold groove is arranged in a mold pressing surface of the mold, a polytetrafluoroethylene and polyimide coating which can be attached to the surface of the insulator is arranged in the mold groove, and the mold groove comprises a main shaft groove and umbrella skirt grooves which are equidistantly arranged on the outer arc surface of the main shaft groove. The die has a simple structure, can ensure the high matching of the upper die and the lower die by arranging the aligning rod, and is convenient to use. The prior art has the defects of weak combination of the coating and the substrate and poor mechanical wear resistance.

The invention utilizes a super-hydrophobic silicon rubber surface texture, and designs a super-hydrophobic composite insulator mold which is convenient to manufacture and low in cost on the basis of the existing composite insulator production process, so that the surface of the large umbrella skirt of the insulator forms a texture, and the large umbrella skirt of the insulator has super-hydrophobic performance.

Disclosure of Invention

The invention aims to solve the technical problems that a super-hydrophobic structure layer manufactured on the surface of an insulator is not firmly combined with a substrate and is poor in mechanical wear resistance in the prior art.

The utility model provides a super hydrophobic insulator forming die of suspension type, it includes the mould moulding-die and sets up the mould groove in the mould moulding-die, and the mould groove includes main shaft groove and arranges the full skirt groove at the outer cambered surface of main shaft groove, is equipped with a plurality of concave grooves on the cell body wall in full skirt groove.

The concave groove is of a cylindrical groove structure.

The distance between the concave groove and the wall of the groove body is 100-200 um.

The maximum distance between the upper surface of the concave groove and the bottom end is 200-300 um.

The die pressing die is sequentially provided with a first die pressing assembly, a second die pressing assembly, a third die pressing assembly and a fourth die pressing assembly from one end to the other end of the main shaft groove along the axial direction of the main shaft groove, the first die pressing assembly and the second die pressing assembly are arranged between the first die pressing assembly and the second die pressing assembly, the second die pressing assembly and the third die pressing assembly are arranged between the first die pressing assembly and the second die pressing assembly, and the third die pressing assembly and the fourth die pressing assembly are connected through a separable connecting mechanism.

The separable connecting structure is connected by bolts.

The mould comprises a first mould pressing die and a second mould pressing die which are symmetrically arranged, wherein the first mould pressing die and the second mould pressing die are combined through clinging on a pressing die surface to form a complete mould pressing die.

The binding surfaces of the first die pressing die and the second die pressing die are provided with a positioning groove and a positioning column which are matched with each other, and the edge of the joint of the first die pressing die and the second die pressing die is provided with an ear and a bolt which are matched with each other.

The method comprises the following steps when the super-hydrophobic insulator is manufactured:

1) combining a first mold press-molding assembly, a second mold press-molding assembly, a third mold press-molding assembly, and a fourth mold press-molding assembly in order along an axial direction of a main shaft groove of a mold press-mold and from one end to the other end of the main shaft groove;

2) connecting and fastening the first die pressing assembly and the second die pressing assembly, the second die pressing assembly and the third die pressing assembly, and the third die pressing assembly and the fourth die pressing assembly through a separable connecting structure;

3) combining the first mold press die with the second mold press die by abutting on the press die surface to form a complete mold press die;

4) manufacturing an insulator through the complete die pressing die;

5) after the manufacture is finished, the separable connecting mechanisms among the first die pressing assembly, the second die pressing assembly, the third die pressing assembly and the fourth die pressing assembly are opened, and the manufactured and molded insulator is taken out.

In step 3), the first die pressing die and the second die pressing die are aligned through the mutually matched positioning grooves and positioning columns when being attached tightly, and the lugs arranged at the edges of the joints are matched with the bolts to realize connection.

By adopting the technical scheme, the following technical effects can be brought:

compared with the prior art, the method only modifies the die on the process of manufacturing the insulator, and the insulator is processed after being demoulded, and the composite insulator material is a low surface energy material and forms corresponding roughness by matching with the texture of the die, so that the composite insulator can easily reach the super-hydrophobic condition, and other methods need secondary processing after the insulator is processed; some previous coating methods require the use of chemical reagents that are not easily degradable or toxic and environmentally unfriendly; experiments show that the contact angle can reach 151; simultaneously, because coating method can't control surface micro-nano structure, the temperature humidity of environment all can influence the concentration of coating to influence the hydrophobicity on surface, this application compares other methods and has swift green's advantage.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

fig. 1 is a structural view of an insulator molding die of the present invention;

FIG. 2 is a schematic structural diagram of a separable connecting structure;

FIG. 3 is a schematic structural view of the cell wall of the shed cell;

fig. 4 is a schematic structural view of the first mold press and the second mold press.

Detailed Description

As shown in fig. 1 to 4, the suspension type superhydrophobic insulator forming mold comprises a mold pressing mold and a mold groove arranged in the mold pressing mold, wherein the mold groove comprises a spindle groove and umbrella skirt grooves arranged on the outer arc surface of the spindle groove, and a plurality of concave grooves 5 are arranged on the wall of the umbrella skirt groove 6. By adopting the structure, the technical effects are as follows: the insulator is processed after demoulding, and the composite insulator material is a low surface energy material and forms corresponding roughness by matching with the texture of a mould, so that the composite insulator can easily reach a super-hydrophobic condition. Compared with a coating method, the processing method can not change the original insulating property of the insulator, and can not damage the surface of the insulator so as to influence the service life of the insulator.

In one embodiment, a plurality of concave grooves 5 are formed on the wall of the second die assembly 2 of the shed groove 6.

The concave groove 5 is of a cylindrical groove structure. The distance between the concave groove 5 and the wall of the groove body is 100-200 um. The maximum distance between the upper surface of the concave groove 5 and the bottom end is 200-300 um. Thus, the contact angle can reach 151 degrees, and the hydrophobic efficiency is far superior to that of the prior art.

Further, the die pressing die is sequentially provided with a first die pressing die assembly 1, a second die pressing die assembly 2, a third die pressing die assembly 3 and a fourth die pressing die assembly 4 from one end to the other end of the spindle groove along the axial direction of the spindle groove, the first die pressing die assembly 1 is connected with the second die pressing die assembly 2, the second die pressing die assembly 2 is connected with the third die pressing die assembly 3, and the third die pressing die assembly 3 is connected with the fourth die pressing die assembly 4 through a separable connecting mechanism 7. By adopting the structure, the technical effects are as follows: can well avoid the texture on the surface of the insulator from being damaged during demoulding. Preferably, when disassembling the grinding tool, the first die assembly 1 and the fourth die assembly 4 are disassembled, and then the second die assembly 2 and the third die assembly 3 are disassembled.

Preferably, the separable connecting structure is a bolt connection.

Further, the method comprises a first die pressing die and a second die pressing die which are symmetrically arranged, and the first die pressing die and the second die pressing die are combined through clinging on a pressing surface to form a complete die pressing die.

And a positioning groove 8 and a positioning column 9 which are matched with each other are arranged on the binding surfaces of the first die pressing die and the second die pressing die, and an ear 10 and a bolt which are matched with each other are arranged at the edge of the joint of the first die pressing die and the second die pressing die.

The method comprises the following steps when the super-hydrophobic insulator is manufactured:

1) combining a first mold die assembly 1, a second mold die assembly 2, a third mold die assembly 3, and a fourth mold die assembly 4 in the axial direction of a spindle groove of a mold die and in order from one end to the other end of the spindle groove;

2) the first die assembly 1 and the second die assembly 2, the second die assembly 2 and the third die assembly 3, and the third die assembly 3 and the fourth die assembly 4 are connected and fastened through a separable connecting structure;

3) combining the first mold press die with the second mold press die by abutting on the press die surface to form a complete mold press die;

4) manufacturing an insulator through the complete die pressing die;

5) after the manufacture is finished, the separable connecting mechanisms among the first die pressing assembly 1, the second die pressing assembly 2, the third die pressing assembly 3 and the fourth die pressing assembly 4 are opened, and the manufactured and molded insulator is taken out.

In step 3), the first die and the second die are aligned when being attached tightly by the positioning groove 8 and the positioning column 9 which are matched with each other, and the lugs 10 arranged at the edges of the joint are matched with the bolts to realize the connection.