CN111392317A - Hard alloy rubber lining and processing method thereof - Google Patents
Hard alloy rubber lining and processing method thereof Download PDFInfo
- Publication number
- CN111392317A CN111392317A CN202010137628.1A CN202010137628A CN111392317A CN 111392317 A CN111392317 A CN 111392317A CN 202010137628 A CN202010137628 A CN 202010137628A CN 111392317 A CN111392317 A CN 111392317A
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- China
- Prior art keywords
- rubber
- hard alloy
- lining
- layer
- 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
- B65G11/00—Chutes
- B65G11/16—Interior surfaces; Linings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention belongs to the technical field of wear-resistant lining materials, and discloses a hard alloy rubber lining which comprises a direct contact layer, a buffer layer and a binding layer, wherein the direct contact layer takes hard alloy as the direct contact layer of materials in the conveying process, the buffer layer is rubber, and the binding layer is an adhesive of the hard alloy and the rubber; the preparation method adopts a hot vulcanization process, and the wear-resistant hard alloy and the rubber with the elastic characteristic are vulcanized together by the adhesive to form a firm wear-resistant and corrosion-resistant layer with buffering capacity. The lining disclosed by the invention combines the advantages of high wear resistance of hard alloy and elastic damping of rubber, and can well solve the problems of corrosion resistance, wear resistance and impact resistance in the material conveying process; the rubber layer is added to resist material impact, reduce noise in the material conveying process, prolong the service life by more than 2 years compared with the traditional lining material, and greatly reduce economic loss caused by maintenance, replacement and production halt.
Description
Technical Field
The invention relates to the technical field of wear-resistant lining materials, in particular to a hard alloy rubber lining and a processing method thereof.
Background
The material is at the transportation process, must form the contact with transfer passage to because the effect of corruption, frictional force, impact force, can cause transfer passage's corruption and damage, cause transfer passage short service life, change frequently, lead to whole shut down of whole transfer chain even, cause the waste of manpower, financial resources. At present, similar problems exist in cement plants, steel plants, petrochemical plants, mines, coal mines and the like at home and abroad. In order to prolong the service life of the conveying channel, at present, polyvinyl chloride plastic linings, lead linings, glass fiber reinforced plastic linings, rubber linings, brick plate linings and ceramic linings are generally adopted as substrate materials at home and abroad. The method improves the service life of the conveying channel to a certain extent, but still cannot meet the requirement of production on the conveying channel with long service life.
Disclosure of Invention
The invention aims to solve the problems and provides a hard alloy rubber lining structure for a conveying channel, which has the advantages of corrosion resistance, wear resistance, impact resistance and long service life, and a processing method thereof.
In order to solve the above problems, the present invention provides the following technical solutions:
the hard alloy rubber lining comprises a direct contact layer, a buffer layer and a binding layer, wherein the direct contact layer takes hard alloy as a direct contact layer of materials in a conveying process, the buffer layer is rubber, and the binding layer is an adhesive of the hard alloy and the rubber.
Preferably, the cemented carbide is an alloy material made from a hard compound of refractory metals and a binder metal by a powder metallurgy process.
Preferably, the rubber is one of silicone rubber, natural rubber, hydrogenated nitrile rubber, chloroprene rubber, butyl rubber and fluororubber.
Preferably, the adhesive is a commercially available general rubber adhesive.
The invention also aims to provide a preparation method of the hard alloy rubber lining, which comprises the following steps:
(1) mechanically treating the surface of the hard alloy, degreasing, coating an adhesive with the thickness of 5-20um on the surface, and drying for use;
(2) pressing rubber into rubber sheets with the size consistent with that of the hard alloy plate, placing the hard alloy plate processed in the step (1) into a mold, placing the pressed rubber sheets on the surface coated with the adhesive, and closing the mold to vulcanize the rubber sheets into the hard alloy rubber lining.
Preferably, the drying in the step (1) is drying at 25-60 ℃ for 30-90 min.
Preferably, the vulcanization temperature in the step (2) is 145-160 ℃.
Compared with the prior art, the invention has the following beneficial effects:
(1) the hard alloy rubber lining adopts a hot vulcanization process, and the wear-resistant hard alloy and the rubber with the elastic characteristic are vulcanized together by using an adhesive to form a firm wear-resistant and corrosion-resistant layer with buffering capacity; the rubber material conveying device combines the advantages of high wear resistance of hard alloy and elastic damping of rubber, and can well solve the problems of corrosion resistance, wear resistance and impact resistance in the material conveying process.
(2) The rubber layer is added into the hard alloy rubber lining, so that the hard alloy rubber lining can resist material impact and reduce noise in the material conveying process; meanwhile, different rubber types can be used, different use characteristics can be given to the hard alloy rubber lining, for example, the lining can be used in a low-temperature environment through silicon rubber, the lining can be endowed with good impact resistance through natural rubber, and the lining can be endowed with good high-temperature resistance and oil resistance through fluororubber.
(3) When the hard alloy rubber lining prepared by the method is used, the service life can be prolonged by more than 2 years compared with the traditional lining material under the same use condition, and the economic loss caused by maintenance, replacement and production stop is greatly reduced.
Detailed Description
The present invention is further illustrated by the following examples, which include, but are not limited to, the following examples.
Example 1
A hard alloy rubber lining working in an extremely cold environment is manufactured by the following steps:
1) sand blasting is carried out on the surface of the hard alloy, and oil stains on the surface are cleaned by gasoline;
2) coating a chemlok608 adhesive on the surface of the hard alloy, wherein the coating thickness is 5um, and drying for 60min at the temperature of 30 ℃;
3) tabletting silicon rubber on an open rubber mixing mill;
4) putting the hard alloy into a mold, and putting a silicon rubber sheet above the adhesive layer coated with the hard alloy;
5) and vulcanizing at 170 ℃ to obtain the hard alloy silicon rubber lining.
Example 2
A hard alloy rubber lining working in a high impact environment is manufactured by the following method:
1) sand blasting is carried out on the surface of the hard alloy, and oil stains on the surface are cleaned by gasoline;
2) coating a chemlok205 adhesive on the surface of the hard alloy, wherein the coating thickness is 10 mu m, and drying for 60min at the temperature of 30 ℃;
3) continuously brushing a chemlok220 adhesive on the surface layer coated with the chemlok205, wherein the brushing thickness is 10-20um, and drying for 60min at the temperature of 30 ℃;
4) tabletting natural rubber on an open rubber mixing mill;
5) putting the hard alloy into a mold, and putting a natural rubber film above the coated adhesive layer;
6) and vulcanizing at 145 ℃ to obtain the hard alloy natural rubber lining.
Example 3
A hard alloy rubber lining working in an ozone or flame-retardant environment is manufactured by the following steps:
1) sand blasting is carried out on the surface of the hard alloy, and oil stains on the surface are cleaned by gasoline;
2) coating a chemlok205 adhesive on the surface of the hard alloy, wherein the coating thickness is 15um, and drying for 60min at the temperature of 30 ℃;
3) tabletting the chloroprene rubber on an open rubber mixing mill;
4) putting the hard alloy into a mold, and putting a chloroprene rubber film above the coated adhesive layer;
5) the hard alloy neoprene lining can be prepared after vulcanization at the temperature of 155 ℃.
Example 4
The hard alloy rubber lining for high temperature or oil stain environment is produced through the following steps:
1) sand blasting is carried out on the surface of the hard alloy, and oil stains on the surface are cleaned by gasoline;
2) coating a chemlok607 adhesive on the surface of the hard alloy, coating the chemlok607 adhesive with the thickness of 20 mu m, and drying the hard alloy for 90min at the temperature of 25 ℃;
3) tabletting hydrogenated nitrile rubber on an open rubber mixing mill;
4) putting the hard alloy into a mold, and putting a hydrogenated nitrile rubber film above the coated adhesive layer;
5) the hard alloy hydrogenated nitrile rubber lining can be prepared by vulcanization at the temperature of 160 ℃.
Example 5
The hard alloy rubber lining for high temperature or oil stain environment is produced through the following steps:
1) sand blasting is carried out on the surface of the hard alloy, and oil stains on the surface are cleaned by gasoline;
2) coating a chemlok607 adhesive on the surface of the hard alloy, coating the chemlok607 adhesive with the thickness of 20 mu m, and drying the hard alloy for 30min at the temperature of 60 ℃;
3) tabletting the fluororubber on an open rubber mixing mill;
4) putting the hard alloy into a mold, and putting a fluororubber film above the coated adhesive layer;
5) the hard alloy fluororubber lining can be prepared by vulcanization at the temperature of 160 ℃.
The invention is well implemented in accordance with the above-described embodiments. It should be noted that, based on the above structural design, in order to solve the same technical problems, even if some insubstantial modifications or colorings are made on the present invention, the adopted technical solution is still the same as the present invention, and therefore, the technical solution should be within the protection scope of the present invention.
Claims (6)
1. The hard alloy rubber lining is characterized by comprising a direct contact layer, a buffer layer and a binding layer, wherein the direct contact layer takes hard alloy as the direct contact layer of materials in the conveying process, the buffer layer is rubber, and the binding layer is an adhesive of the hard alloy and the rubber.
2. The cemented carbide rubber innerliner of claim 1 wherein the cemented carbide is an alloy material made from a hard compound of a refractory metal and a bonding metal by a powder metallurgy process.
3. The cemented carbide rubber liner according to claim 1, wherein the rubber is one of silicone rubber, natural rubber, hydrogenated nitrile rubber, neoprene rubber, butyl rubber, and viton rubber.
4. A method of preparing a cemented carbide rubber innerliner according to any one of claims 1 to 3, comprising the steps of:
(1) mechanically treating the surface of the hard alloy, degreasing, coating an adhesive with the thickness of 5-20um on the surface, and drying for use;
(2) pressing rubber into rubber sheets with the size consistent with that of the hard alloy plate, placing the hard alloy plate processed in the step (1) into a mold, placing the pressed rubber sheets on the surface coated with the adhesive, and closing the mold to vulcanize the rubber sheets into the hard alloy rubber lining.
5. The method for preparing the hard alloy rubber lining according to claim 4, wherein the drying in the step (1) is drying at 25-60 ℃ for 30-90 min.
6. The method for preparing the cemented carbide rubber lining according to claim 4, wherein the vulcanization temperature in step (2) is 145-160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137628.1A CN111392317A (en) | 2020-03-02 | 2020-03-02 | Hard alloy rubber lining and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137628.1A CN111392317A (en) | 2020-03-02 | 2020-03-02 | Hard alloy rubber lining and processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111392317A true CN111392317A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010137628.1A Pending CN111392317A (en) | 2020-03-02 | 2020-03-02 | Hard alloy rubber lining and processing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443660A (en) * | 2020-11-16 | 2021-03-05 | 中国化工株洲橡胶研究设计院有限公司 | Cloth-sandwiched rubber leather cup and manufacturing method thereof |
| CN115837467A (en) * | 2022-12-08 | 2023-03-24 | 水利部杭州机械设计研究所 | Impact-resistant abrasion method for ultra-high water head impulse turbine bucket |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3607606A (en) * | 1967-05-16 | 1971-09-21 | Coors Porcelain Co | Ceramic-rubber composites |
| CN2424163Y (en) * | 2000-05-25 | 2001-03-21 | 孙功民 | Wear-proof, sheathing board for vibration transportation appts. |
| CN102115542A (en) * | 2010-12-20 | 2011-07-06 | 洛阳双瑞橡塑科技有限公司 | Method for adhering vulcanized rubber to metal |
| CN202045927U (en) * | 2011-05-11 | 2011-11-23 | 毛轲 | T-shaped composite wear-resistant body |
| CN104029428A (en) * | 2014-06-23 | 2014-09-10 | 沈阳哈维尔表面工程技术有限公司 | Alloy ceramic lining plate |
| WO2015063083A1 (en) * | 2013-10-29 | 2015-05-07 | Mahle Metal Leve S/A | Bearing and connecting rod |
| CN204922339U (en) * | 2015-08-26 | 2015-12-30 | 株洲西迪硬质合金科技股份有限公司 | Elbow |
| CN106939952A (en) * | 2017-04-14 | 2017-07-11 | 扬州华展管件有限公司 | A kind of wear-resisting alloy composite elbow |
-
2020
- 2020-03-02 CN CN202010137628.1A patent/CN111392317A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3607606A (en) * | 1967-05-16 | 1971-09-21 | Coors Porcelain Co | Ceramic-rubber composites |
| CN2424163Y (en) * | 2000-05-25 | 2001-03-21 | 孙功民 | Wear-proof, sheathing board for vibration transportation appts. |
| CN102115542A (en) * | 2010-12-20 | 2011-07-06 | 洛阳双瑞橡塑科技有限公司 | Method for adhering vulcanized rubber to metal |
| CN202045927U (en) * | 2011-05-11 | 2011-11-23 | 毛轲 | T-shaped composite wear-resistant body |
| WO2015063083A1 (en) * | 2013-10-29 | 2015-05-07 | Mahle Metal Leve S/A | Bearing and connecting rod |
| CN104029428A (en) * | 2014-06-23 | 2014-09-10 | 沈阳哈维尔表面工程技术有限公司 | Alloy ceramic lining plate |
| CN204922339U (en) * | 2015-08-26 | 2015-12-30 | 株洲西迪硬质合金科技股份有限公司 | Elbow |
| CN106939952A (en) * | 2017-04-14 | 2017-07-11 | 扬州华展管件有限公司 | A kind of wear-resisting alloy composite elbow |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443660A (en) * | 2020-11-16 | 2021-03-05 | 中国化工株洲橡胶研究设计院有限公司 | Cloth-sandwiched rubber leather cup and manufacturing method thereof |
| CN115837467A (en) * | 2022-12-08 | 2023-03-24 | 水利部杭州机械设计研究所 | Impact-resistant abrasion method for ultra-high water head impulse turbine bucket |
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Application publication date: 20200710 |
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