CN105237826A - Seal ring manufacturing technology - Google Patents

Abstract

The invention provides a seal ring manufacturing technology. The seal ring manufacturing technology comprises the following steps of 1 material weighing, wherein proportioning is performed according to raw materials of seal rings; 2 material mixing, wherein the raw materials are mixed; 3 molding, wherein the mixed raw materials are contained in a tubular mold of an injection molding machine for vulcanization molding; 4 demolding, wherein a rubber tube is obtained; 5 cutting, wherein the molded rubber tube is cut according to the height of the rubber seal rings to form the seal rings. According to the seal ring manufacturing technology, the manufactured seal rings are wearproof, durable, capable of resisting high temperature and low temperature, excellent in performance, high in tensile strength, simple in preparation method and low in cost.

Description

A kind of sealing-ring manufacturing process

Technical field

The present invention relates to a kind of sealing-ring, particularly a kind of sealing-ring manufacturing process.

Background technology

The defects such as current rubber unvulcanizate rubber seal ubiquity is wear-resisting not, is not durable, high temperature resistant, resistance to low temperature is poor, and tensile strength is low, and manufacturing process is complicated, cost is high.

Summary of the invention

The technical problem that [1] will solve

The technical problem to be solved in the present invention is to provide a kind of wear-resisting durable, high temperature resistant low temperature, excellent performance, tensile strength is high, preparation method is simple, cost is low sealing-ring manufacturing process.

The technical scheme of [2] dealing with problems

The invention provides a kind of sealing-ring manufacturing process, it comprises the following steps:

A, weighing, by following weight percent weighing: natural rubber: 35%-55%; Paracril: 20%-25%; Mica: 5%-8%; Zinc oxide: 1.5%-2.5%; High abrasion carbon black: 3%-5%; Diatomite: 2%-5%; China clay: 2%-4%; Calcinated argil: 0.8%-1.5%; Chalk: 1%-2%; Microcrystalline wax: 0.5%-1%; Coumarone indene resin: 0.5%-1%; Carnauba wax: 0.5%-1%; Magnesium oxide: 1%-2%; Stearic acid: 0.5%-1%; Cashew nut shell oil: 0.5%-1%; Zinc borate: 1%-3%; Oxalic acid: 2%-5%; Tributyl citrate: 2%-3%; Machine oil: 1%-5%; Captax: 0.8%-1.2%; Altax: 0.5%-1%; Tenderizer TP95:0.5%-1%; Vulcanization accelerator TMTD: 0.3%-0.5%; Anti-aging agent RD: 0.5%-1%; Antioxidant NBC: 0.1%-0.2%; Carbon black 550:2%-5%;

B, batch mixing, undertaken mixing by above-mentioned raw materials;

C, shaping, the raw material after mixing is loaded sulfidization molding in the tubular die of injection moulding machine;

D, the demoulding, obtain rubber hose;

E, cutting, carry out cutting by the height of rubber seal to above-mentioned shaping rubber hose and form sealing-ring.

[3] beneficial effect

Sealing-ring manufacturing process of the present invention, wear-resisting durable, the high temperature resistant low temperature of the sealing-ring produced, excellent performance, tensile strength is high, preparation method is simple, cost is low.

Embodiment

Introduce the embodiment of the present invention in detail below.

The invention provides a kind of sealing-ring manufacturing process, it comprises the following steps:

A, weighing, by following weight percent weighing: natural rubber: 35%-55%; Paracril: 20%-25%; Mica: 5%-8%; Zinc oxide: 1.5%-2.5%; High abrasion carbon black: 3%-5%; Diatomite: 2%-5%; China clay: 2%-4%; Calcinated argil: 0.8%-1.5%; Chalk: 1%-2%; Microcrystalline wax: 0.5%-1%; Coumarone indene resin: 0.5%-1%; Carnauba wax: 0.5%-1%; Magnesium oxide: 1%-2%; Stearic acid: 0.5%-1%; Cashew nut shell oil: 0.5%-1%; Zinc borate: 1%-3%; Oxalic acid: 2%-5%; Tributyl citrate: 2%-3%; Machine oil: 1%-5%; Captax: 0.8%-1.2%; Altax: 0.5%-1%; Tenderizer TP95:0.5%-1%; Vulcanization accelerator TMTD: 0.3%-0.5%; Anti-aging agent RD: 0.5%-1%; Antioxidant NBC: 0.1%-0.2%; Carbon black 550:2%-5%;

B, batch mixing, undertaken mixing by above-mentioned raw materials;

C, shaping, the raw material after mixing is loaded sulfidization molding in the tubular die of injection moulding machine;

D, the demoulding, obtain rubber hose;

E, cutting, carry out cutting by the height of rubber seal to above-mentioned shaping rubber hose and form sealing-ring.

Sealing-ring manufacturing process of the present invention, wear-resisting durable, the high temperature resistant low temperature of the sealing-ring produced, excellent performance, tensile strength is high, preparation method is simple, cost is low.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. a sealing-ring manufacturing process, is characterized in that, comprises the following steps:

A, weighing, by following weight percent weighing: natural rubber: 35%-55%; Paracril: 20%-25%; Mica: 5%-8%; Zinc oxide: 1.5%-2.5%; High abrasion carbon black: 3%-5%; Diatomite: 2%-5%; China clay: 2%-4%; Calcinated argil: 0.8%-1.5%; Chalk: 1%-2%; Microcrystalline wax: 0.5%-1%; Coumarone indene resin: 0.5%-1%; Carnauba wax: 0.5%-1%; Magnesium oxide: 1%-2%; Stearic acid: 0.5%-1%; Cashew nut shell oil: 0.5%-1%; Zinc borate: 1%-3%; Oxalic acid: 2%-5%; Tributyl citrate: 2%-3%; Machine oil: 1%-5%; Captax: 0.8%-1.2%; Altax: 0.5%-1%; Tenderizer TP95:0.5%-1%; Vulcanization accelerator TMTD: 0.3%-0.5%; Anti-aging agent RD: 0.5%-1%; Antioxidant NBC: 0.1%-0.2%; Carbon black 550:2%-5%;

B, batch mixing, undertaken mixing by above-mentioned raw materials;

C, shaping, the raw material after mixing is loaded sulfidization molding in the tubular die of injection moulding machine;

D, the demoulding, obtain rubber hose;

E, cutting, carry out cutting by the height of rubber seal to above-mentioned shaping rubber hose and form sealing-ring.