CN111038916A - Antistatic wear-resistant conveying belt and preparation method thereof - Google Patents
Antistatic wear-resistant conveying belt and preparation method thereof Download PDFInfo
- Publication number
- CN111038916A CN111038916A CN201911356273.9A CN201911356273A CN111038916A CN 111038916 A CN111038916 A CN 111038916A CN 201911356273 A CN201911356273 A CN 201911356273A CN 111038916 A CN111038916 A CN 111038916A
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- China
- Prior art keywords
- fabric layer
- layer
- polyurethane
- fabric
- polyurethane adhesive
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/10—Antistatic features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/48—Wear protection or indication features
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The invention provides an antistatic wear-resistant conveyor belt and a preparation method thereof, the conveyor belt sequentially comprises a polyurethane surface layer, a fabric layer and a polyurethane laminating layer from top to bottom, the fabric layer is soaked in a polyurethane adhesive, the upper surface of the soaked fabric layer is coated with the polyurethane surface layer, the lower surface of the soaked fabric layer is coated with the polyurethane laminating layer, and the lower surface of the polyurethane laminating layer is coated with the soaked fabric layer; in the fabric layer, the warp yarns and the weft yarns adopt the conductive yarns with specific titer, so that the antistatic performance of the fabric layer is improved; the fabric layer is impregnated with the polyurethane adhesive, the polyurethane adhesive endows the fabric with good wear resistance, and the fabric is not easy to wear in the using process; in addition, even if some abrasion particles are used, the abrasion particles are mainly polyurethane adhesive, any conductive or antistatic substance is not added into the adhesive, and the influence on electronic processing products and inspection equipment is avoided, so that the service life of the conveying belt is prolonged.
Description
Technical Field
The invention belongs to the technical field of conveying belts for the electronic industry, and particularly relates to an antistatic wear-resistant conveying belt and a preparation method thereof.
Background
The friction between the bottom surface of the conveyer belt and the equipment roller is easy to generate static electricity, which is not beneficial to processing electronic products. In the traditional antistatic process, the carbon black is added into the adhesive to achieve the antistatic effect, but the addition of the carbon black can greatly reduce the adhesive strength between the polyurethane adhesive and the polyester yarn. In addition, the carbon black and the binder are easy to disperse unevenly in the process of preparing the polyurethane binder conductive liquid, so that the antistatic effect is reduced or lost, and the service life of the belt is shortened. In addition, the glue particles exist on the bottom surface easily due to traditional processing, the particles are easy to wear in use, and the worn particles are easy to mix into electronic equipment and are not beneficial to electronic product detection.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide the antistatic wear-resistant conveyor belt, which improves the wear-resistant performance of the bottom surface of a product and prevents electronic equipment from being polluted under the condition of not reducing the antistatic effect of the conveyor belt, thereby prolonging the service life of the conveyor belt product.
The second purpose of the invention is to provide a preparation method of the antistatic wear-resistant conveying belt.
In order to achieve the first purpose, the invention adopts the technical scheme that:
the utility model provides an antistatic wear-resisting conveyer belt, its from the top down includes polyurethane surface course, fabric layer and polyurethane laminating layer in proper order, and the fabric layer flooding is in polyurethane adhesive, at the upper surface coating polyurethane surface course on the fabric layer after the flooding, at the lower surface coating polyurethane laminating layer on the fabric layer after the flooding, at the fabric layer after the lower surface coating flooding of polyurethane laminating layer.
Wherein, the warp direction in the fabric layer adopts 1000 + -10D polyester filament, each adds a 20 + -1D conductive yarn, the twist is 100 + -10 r/m.
The weft direction in the fabric layer adopts 1000 +/-10D polyester filaments, each polyester filament is added with a 20 +/-1D conductive filament, and the twist degree is 100 +/-10 revolutions per meter.
The weave of the fabric layer was 1/1 plain weave.
The viscosity of the polyurethane adhesive is 1700 +/-10 mpa.s, and the initial adhesion is more than or equal to 15N/cm.
The antistatic index of the antistatic wear-resistant conveyer belt is less than or equal to 105Ω。
In an embodiment of the invention, the shore hardness of the polyurethane surface layer is 92A, and the shore hardness of the polyurethane adhesive layer is 85A.
The preparation method of the antistatic wear-resistant conveying belt comprises the following steps:
(1) shaping the fabric to obtain a fabric layer;
(2) dipping the fabric layer in a polyurethane adhesive, coating a polyurethane surface layer on the upper surface of the dipped fabric layer, and coating a polyurethane attaching layer on the lower surface of the dipped fabric layer;
(3) and continuously coating the impregnated fabric layer on the lower surface of the polyurethane laminating layer to obtain the antistatic wear-resistant conveying belt.
In one embodiment of the invention, in step (1), 1000 + -10D polyester filaments are adopted in the warp direction in the fabric layer, 20 + -1D conductive filaments are added in each fabric layer, and the twist is 100 + -10 turns/m.
The weft direction in the fabric layer adopts 1000 +/-10D polyester filaments, each polyester filament is added with a 20 +/-1D conductive filament, and the twist degree is 100 +/-10 revolutions per meter.
The weave of the fabric layer was 1/1 plain weave.
In one embodiment of the present invention, in step (2), the amount of impregnation is 70 to 80g/m2。
In one embodiment of the present invention, in step (2), the viscosity of the polyurethane adhesive is 1700 + -10 mpa.s, and the initial adhesion is not less than 15N/cm.
Due to the adoption of the scheme, the invention has the beneficial effects that:
firstly, the warp and weft in the fabric layer of the invention both adopt the conductive wire with specific titer, so that the antistatic effect of the fabric reaches 105Omega, thereby improving the antistatic performance of the fabric layer.
Secondly, the fabric layer is impregnated with the polyurethane adhesive, the polyurethane adhesive endows the fabric with good wear resistance, the fabric is not easy to wear in the using process, and the conductive wires in the fabric layer are protected from being damaged, so that the good antistatic performance of the conveying belt is ensured. In addition, even if some abrasion particles are used, the abrasion particles are mainly polyurethane adhesive, any conductive or antistatic substance is not added into the adhesive, the influence on electronic processing products and inspection equipment is avoided, and the service life of the conveying belt is further prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the antistatic wear-resistant conveyor belt of the invention.
Fig. 2 is a process flow diagram of the antistatic wear-resistant conveyor belt of the invention.
Reference numerals: 1-fabric layer, 2-polyurethane adhesive, 3-polyurethane surface layer and 4-polyurethane laminating layer.
Detailed Description
The invention provides an antistatic wear-resistant conveying belt and a preparation method thereof.
< antistatic abrasion-resistant conveyor belt >
The antistatic wear-resistant conveying belt comprises a polyurethane surface layer 3, a fabric layer 1 and a polyurethane adhesive layer 4 from top to bottom in sequence, wherein the fabric layer 1 is soaked in a polyurethane adhesive 2, the upper surface of the soaked fabric layer is coated with the polyurethane surface layer 3, the lower surface of the soaked fabric layer is coated with the polyurethane adhesive layer 4, and the lower surface of the polyurethane adhesive layer 4 is coated with the soaked fabric layer.
The fabric adopted by the invention is as follows:
in conclusion, the fabric is used for the bottom surface of the conveying belt, when the conveying belt runs, the bottom surface is in contact with the platform, static electricity is easy to generate due to friction, and the fabric is mainly used for avoiding the influence of the static electricity on the processing of electronic products. The polyurethane material has good wear-resisting property, and the bottom surface is impregnated with the wear-resisting polyurethane adhesive (no other substances are added), so that the fabric conductive wire is protected from being damaged, and the service life of the conveying belt is prolonged.
The polyurethane adhesive is colorless transparent adhesive, mainly comprises polyurethane (adhesive substance) and butanone (solvent), and the solvent volatilizes when in use, and the adhesive substance (the content is more than or equal to 14%) is remained on the surface of the fabric. The viscosity of the polyurethane adhesive is 1700 +/-10 mpa.s, and the initial adhesion is more than or equal to 15N/cm. The polyurethane adhesive (i.e. super glue) of the invention has the model number BL668, and 4 wt% of special curing agent L75 is used.
The shore hardness of the polyurethane surface layer 3 is 92A, the shore hardness of the polyurethane adhesive layer 4 is 85A, and in view of the stiffness and the flexibility of the conveyer belt, the polyurethane layers with the hardness of 92A and 85A are selected for matching, namely the polyurethane surface layer 3 with the shore hardness of 92A has good stiffness, so that the conveyer belt is endowed with good plane conveying performance; the polyurethane adhesive layer 4 with shore hardness of 85A has good flexibility, so that the conveyor belt has good bending resistance.
< preparation method of antistatic wear-resistant conveyer belt >
As shown in fig. 1 and 2, the preparation method of the antistatic wear-resistant conveyor belt of the invention comprises the following steps:
(1) shaping the fabric to obtain a fabric layer 1;
(2) soaking the fabric layer 1 in a polyurethane adhesive 2 (namely adding a layer of protection to the fabric layer), coating a polyurethane surface layer 3 on the upper surface of the soaked fabric layer, and coating a polyurethane laminating layer 4 on the lower surface of the soaked fabric layer;
(3) and continuously coating the impregnated fabric layer on the lower surface of the polyurethane laminating layer 4 to obtain the antistatic wear-resistant conveying belt.
In fact, a layer of fabric and a layer of polyurethane are compounded and then are called a 'one cloth one glue' base band; the two layers of the first cloth and the first glue are compounded to form a second cloth and a second glue.
Wherein, in the step (1), the fabric adopted by the invention is as follows:
in step (2), the amount of impregnation may be 70 to 80g/m2Too much impregnation affects the antistatic index, and too little protection is not significant.
The bottom surface of the antistatic wear-resistant conveyer belt is subjected to resistance test.
Note: room temperature is 25 ℃; the relative humidity was 65%.
The bottom surface of the antistatic wear-resistant conveyor belt of the invention was subjected to an attorney wear machine test.
Note: room temperature is 25 ℃; the relative humidity was 65%.
The previous description of the specific embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments and the generic principles defined herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments. Those skilled in the art should appreciate that many modifications and variations are possible in light of the above teaching without departing from the scope of the invention.
Claims (6)
1. The utility model provides an antistatic wear-resisting conveyer belt which characterized in that: the fabric layer is soaked in a polyurethane adhesive, the upper surface of the soaked fabric layer is coated with the polyurethane surface layer, the lower surface of the soaked fabric layer is coated with the polyurethane adhesive layer, and the lower surface of the polyurethane adhesive layer is coated with the soaked fabric layer;
the warp direction of the fabric layer adopts 1000 +/-10D polyester filaments, each polyester filament is added with a 20 +/-1D conductive filament, and the twist is 100 +/-10 revolutions per meter;
the weft in the fabric layer adopts 1000 +/-10D polyester filaments, each polyester filament is added with a 20 +/-1D conductive filament, and the twist is 100 +/-10 revolutions per meter;
the weaving method of the fabric layer is 1/1 plain weave;
the viscosity of the polyurethane adhesive is 1700 +/-10 mpa.s, and the initial adhesion is more than or equal to 15N/cm.
2. The antistatic wear-resistant conveyor belt according to claim 1, characterized in that: the Shore hardness of the polyurethane surface layer is 92A, and the Shore hardness of the polyurethane adhesive layer is 85A.
3. A method for preparing an antistatic wear-resistant conveyor belt according to claim 1 or 2, characterized in that: which comprises the following steps:
(1) shaping the fabric to obtain a fabric layer;
(2) dipping the fabric layer in a polyurethane adhesive, coating a polyurethane surface layer on the upper surface of the dipped fabric layer, and coating a polyurethane attaching layer on the lower surface of the dipped fabric layer;
(3) and continuously coating the impregnated fabric layer on the lower surface of the polyurethane laminating layer to obtain the antistatic wear-resistant conveying belt.
4. The production method according to claim 3, characterized in that: in the step (1), 1000 +/-10D polyester filaments are adopted in the fabric layer in the warp direction, 20 +/-1D conductive filaments are added in each fabric layer, and the twist is 100 +/-10 revolutions per meter;
the weft in the fabric layer adopts 1000 +/-10D polyester filaments, each polyester filament is added with a 20 +/-1D conductive filament, and the twist is 100 +/-10 revolutions per meter;
the weave of the fabric layer is 1/1 plain weave.
5. The production method according to claim 3, characterized in that: in the step (2), the impregnation amount is 70 to 80g/m2。
6. The production method according to claim 3, characterized in that: in the step (2), the viscosity of the polyurethane adhesive is 1700 +/-10 mpa.s, and the initial adhesion is more than or equal to 15N/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356273.9A CN111038916A (en) | 2019-12-25 | 2019-12-25 | Antistatic wear-resistant conveying belt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356273.9A CN111038916A (en) | 2019-12-25 | 2019-12-25 | Antistatic wear-resistant conveying belt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111038916A true CN111038916A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911356273.9A Pending CN111038916A (en) | 2019-12-25 | 2019-12-25 | Antistatic wear-resistant conveying belt and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942280A (en) * | 2021-11-10 | 2022-01-18 | 上海永利输送系统有限公司 | Preparation method of conveying belt for turning machine |
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|---|---|---|---|---|
| CN1090084A (en) * | 1992-12-16 | 1994-07-27 | 李龙仁 | A kind of conductive tape that is used for the conductive basal layer of belt and adopts this basalis |
| EP1813316A1 (en) * | 2006-01-31 | 2007-08-01 | Hai-Pin Kuo | Endless belt for exercise treadmill |
| CN101173393A (en) * | 2007-11-28 | 2008-05-07 | 盛虹集团有限公司 | Radiation protection anlistatig functional yarn |
| WO2009092174A1 (en) * | 2008-01-23 | 2009-07-30 | Habasit Ag | Conveyor device having antistatic conveyor belt |
| CN101844666A (en) * | 2010-05-06 | 2010-09-29 | 上海永利带业股份有限公司 | Highly anti-static thermoplastic polyurethane (PU) conveyer belt for textile industry and preparation method thereof |
| CN103466254A (en) * | 2013-09-22 | 2013-12-25 | 上海永利带业股份有限公司 | Conveyor belt for flowering plant automatic production system and manufacturing method of conveyor belt |
| CN104258535A (en) * | 2014-10-14 | 2015-01-07 | 上海永利带业股份有限公司 | Anti-static fabric and manufacturing method of anti-static treadmill belt |
-
2019
- 2019-12-25 CN CN201911356273.9A patent/CN111038916A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090084A (en) * | 1992-12-16 | 1994-07-27 | 李龙仁 | A kind of conductive tape that is used for the conductive basal layer of belt and adopts this basalis |
| EP1813316A1 (en) * | 2006-01-31 | 2007-08-01 | Hai-Pin Kuo | Endless belt for exercise treadmill |
| CN101173393A (en) * | 2007-11-28 | 2008-05-07 | 盛虹集团有限公司 | Radiation protection anlistatig functional yarn |
| WO2009092174A1 (en) * | 2008-01-23 | 2009-07-30 | Habasit Ag | Conveyor device having antistatic conveyor belt |
| CN101844666A (en) * | 2010-05-06 | 2010-09-29 | 上海永利带业股份有限公司 | Highly anti-static thermoplastic polyurethane (PU) conveyer belt for textile industry and preparation method thereof |
| CN103466254A (en) * | 2013-09-22 | 2013-12-25 | 上海永利带业股份有限公司 | Conveyor belt for flowering plant automatic production system and manufacturing method of conveyor belt |
| CN104258535A (en) * | 2014-10-14 | 2015-01-07 | 上海永利带业股份有限公司 | Anti-static fabric and manufacturing method of anti-static treadmill belt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942280A (en) * | 2021-11-10 | 2022-01-18 | 上海永利输送系统有限公司 | Preparation method of conveying belt for turning machine |
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