阅读说明：本技术 一种跑步机输送带的生产工艺 (Production process of treadmill conveyor belt ) 是由 勾东海 勾建江 孙冬生 张建新 于 2019-08-12 设计创作，主要内容包括：本发明提供一种跑步机输送带的生产工艺,其特征在于,包括以下步骤：(1)备料；(2)混炼；(3)热炼处理；(4)压延工艺；(5)成型工艺；(6)硫化处理；(7)压平冷却；(8)表面处理；(9)检查出厂。本发明提供的生产工艺及加工用胶料使得生产成本降低,且制得的输送带的物理性能优良,耐磨性能较好,耐热性能和耐老化性能都比较优良,使用寿命较长。(The invention provides a production process of a treadmill conveyor belt, which is characterized by comprising the following steps: (1) preparing materials; (2) mixing; (3) carrying out cooking treatment; (4) a calendering process; (5) a molding process; (6) carrying out vulcanization treatment; (7) flattening and cooling; (8) surface treatment; (9) and (5) checking and leaving the factory. The production process and the processing rubber material provided by the invention reduce the production cost, and the prepared conveying belt has the advantages of excellent physical property, better wear resistance, excellent heat resistance and aging resistance and longer service life.)

1. the production process of the treadmill conveyer belt is characterized by comprising the following steps of:

(1) preparing materials: preparing rubber materials required by the production of the treadmill conveyer belt;

(2) mixing: putting the rubber material into a mixing roll according to a certain proportion, heating to 150 ℃ and mixing to obtain a rubber compound;

(3) And (3) heat refining treatment: placing the rubber compound into an extruder for hot refining treatment to obtain a hot refined rubber material;

(4) and (3) rolling process: calendering the hot-refined rubber material on a three-roll calender at the speed of 20-25m/min, wherein the temperature of an upper roll is controlled at 90-100 ℃, the temperature of a middle roll is controlled at 90 ℃, and the temperature of a lower roll is controlled at 90-120 ℃;

(5) The molding process comprises the following steps: adhering the covering glue under the pressure of a forming machine by utilizing the hot adhesiveness of the buffer glue to complete the glue forming of the conveyer belt and form a conveyer belt blank;

(6) Vulcanizing treatment: putting the conveyer belt blank on a vulcanizing machine to complete the cross-linking reaction of the cover rubber, the core rubber and the belt core, wherein the vulcanizing specification is 1.4-2.2m in width and 8-10m in length, the reaction temperature is 60-70 ℃, the time length is 2.5-4h, and after the reaction is completed, airing the conveyer belt at the temperature of 14-25 ℃ for three days to obtain a finished product;

(7) flattening and cooling;

(8) surface treatment: embossing the cooled conveyor belt, coating a coating on the surface of the conveyor belt by adopting a roller coating process after embossing, and coating a layer of acrylic acid surface treating agent on the surface of the coating after coating;

(9) and (5) checking and leaving factory: and checking and sorting the conveyor belt subjected to surface treatment, and packaging and leaving factory.

2. the production process of the treadmill belt according to claim 1, wherein the rubber compound in the step (1) comprises the following components by mass percent: 45-50% of rubber, 4-7% of softener, 30-35% of carbon black, 2-4% of anti-aging agent, 4-8% of reinforcing agent, 5-9% of activator, 1-3% of vulcanizing agent, 3-5% of zinc oxide and stearic acid.

3. the production process of the treadmill belt as claimed in claim 2, wherein the rubber is a mixture of natural rubber, styrene butadiene rubber and butadiene rubber, and the mass of the natural rubber is 30-50% of the total mass of the rubber, the mass of the styrene butadiene rubber is 30-45% of the total mass of the rubber, and the mass of the butadiene rubber is 10-25% of the total mass of the rubber.

4. The production process of the treadmill belt according to claim 2, wherein the antioxidant is a mixture of antioxidant RD, antioxidant 4010A and microcrystalline wax.

5. the production process of the treadmill conveyor belt according to claim 4, wherein the mass ratio of the antioxidant RD to the antioxidant 4010A to the microcrystalline wax is 5:3: 2.

Technical Field

the invention relates to the technical field of production of running machine accessories, in particular to a production process of a running machine conveyer belt.

background

The treadmill is a commonly-used fitness device for families and fitness rooms, is the simplest one of the current family fitness devices, and is the best choice of the family fitness device; the production cost of the existing treadmill conveyor belt is high, but the service life of the conveyor belt is short, the wear-resisting effect of the conveyor belt is not ideal, the conveyor belt needs to be replaced periodically, and the cost is increased.

disclosure of Invention

the invention provides a production process of a treadmill conveyor belt aiming at the technical problems.

In order to achieve the purpose, the invention adopts the following technical scheme: the production process of the treadmill conveyer belt is characterized by comprising the following steps of:

(1) preparing materials: preparing rubber materials required by the production of the treadmill conveyer belt;

(2) Mixing: putting the rubber material into a mixing roll according to a certain proportion, heating to 150 ℃ and mixing to obtain a rubber compound;

(3) And (3) heat refining treatment: placing the rubber compound into an extruder for hot refining treatment to obtain a hot refined rubber material;

(4) And (3) rolling process: calendering the hot-refined rubber material on a three-roll calender at the speed of 20-25m/min, wherein the temperature of an upper roll is controlled at 90-100 ℃, the temperature of a middle roll is controlled at 90 ℃, and the temperature of a lower roll is controlled at 90-120 ℃;

(5) the molding process comprises the following steps: adhering the covering glue under the pressure of a forming machine by utilizing the hot adhesiveness of the buffer glue to complete the glue forming of the conveyer belt and form a conveyer belt blank;

(6) vulcanizing treatment: putting the conveyer belt blank on a vulcanizing machine to complete the cross-linking reaction of the cover rubber, the core rubber and the belt core, wherein the vulcanizing specification is 1.4-2.2m in width and 8-10m in length, the reaction temperature is 60-70 ℃, the time length is 2.5-4h, and after the reaction is completed, airing the conveyer belt at the temperature of 14-25 ℃ for three days to obtain a finished product;

(7) flattening and cooling;

(8) surface treatment: embossing the cooled conveyor belt, coating a coating on the surface of the conveyor belt by adopting a roller coating process after embossing, and coating a layer of acrylic acid surface treating agent on the surface of the coating after coating;

(9) and (5) checking and leaving factory: and checking and sorting the conveyor belt subjected to surface treatment, and packaging and leaving factory.

the rubber material in the step (1) comprises the following components in percentage by mass: 45-50% of rubber, 4-7% of softener, 30-35% of carbon black, 2-4% of anti-aging agent, 4-8% of reinforcing agent, 5-9% of activator, 1-3% of vulcanizing agent, 3-5% of zinc oxide and stearic acid.

the rubber is a mixture of natural rubber, styrene butadiene rubber and butadiene rubber, wherein the mass of the natural rubber accounts for 30-50% of the total mass of the rubber, the mass of the styrene butadiene rubber accounts for 30-45% of the total mass of the rubber, and the mass of the butadiene rubber accounts for 10-25% of the total mass of the rubber.

The anti-aging agent is a mixture of anti-aging agent RD, anti-aging agent 4010A and microcrystalline wax.

The mass ratio of the antioxidant RD to the antioxidant 4010A to the microcrystalline wax is 5:3: 2.

the invention has the beneficial effects that: the production process and the processing rubber material provided by the invention reduce the production cost, and the prepared conveying belt has the advantages of excellent physical property, better wear resistance, excellent heat resistance and aging resistance and longer service life.

Detailed Description

The invention is further illustrated by the following examples:

A production process of a treadmill conveyor belt comprises the following steps:

(1) preparing materials: preparing rubber materials required by the production of the treadmill conveyer belt;

(2) mixing: putting the rubber material into a mixing roll according to a certain proportion, heating to 150 ℃ and mixing to obtain a rubber compound;

(3) And (3) heat refining treatment: placing the rubber compound into an extruder for hot refining treatment to obtain a hot refined rubber material;

(4) And (3) rolling process: calendering the hot-refined rubber material on a three-roll calender at the speed of 20-25m/min, wherein the temperature of an upper roll is controlled at 90-100 ℃, the temperature of a middle roll is controlled at 90 ℃, and the temperature of a lower roll is controlled at 90-120 ℃;

(5) The molding process comprises the following steps: adhering the covering glue under the pressure of a forming machine by utilizing the hot adhesiveness of the buffer glue to complete the glue forming of the conveyer belt and form a conveyer belt blank;

(6) Vulcanizing treatment: putting the conveyer belt blank on a vulcanizing machine to complete the cross-linking reaction of the cover rubber, the core rubber and the belt core, wherein the vulcanizing specification is 1.4-2.2m in width and 8-10m in length, the reaction temperature is 60-70 ℃, the time length is 2.5-4h, and after the reaction is completed, airing the conveyer belt at the temperature of 14-25 ℃ for three days to obtain a finished product;

(7) flattening and cooling;

(8) surface treatment: embossing the cooled conveyor belt, coating a coating on the surface of the conveyor belt by adopting a roller coating process after embossing, and coating a layer of acrylic acid surface treating agent on the surface of the coating after coating;

(9) and (5) checking and leaving factory: and checking and sorting the conveyor belt subjected to surface treatment, and packaging and leaving factory.

The rubber material in the step (1) comprises the following components in percentage by mass: 45-50% of rubber, 4-7% of softener, 30-35% of carbon black, 2-4% of anti-aging agent, 4-8% of reinforcing agent, 5-9% of activator, 1-3% of vulcanizing agent, 3-5% of zinc oxide and stearic acid.

The rubber is a mixture of natural rubber, styrene butadiene rubber and butadiene rubber, wherein the mass of the natural rubber accounts for 30-50% of the total mass of the rubber, the mass of the styrene butadiene rubber accounts for 30-45% of the total mass of the rubber, and the mass of the butadiene rubber accounts for 10-25% of the total mass of the rubber.

the anti-aging agent is a mixture of anti-aging agent RD, anti-aging agent 4010A and microcrystalline wax.

The mass ratio of the antioxidant RD to the antioxidant 4010A to the microcrystalline wax is 5:3: 2.