CN105107736A - Tension type screen and production technology - Google Patents
Tension type screen and production technology Download PDFInfo
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- CN105107736A CN105107736A CN201510539042.7A CN201510539042A CN105107736A CN 105107736 A CN105107736 A CN 105107736A CN 201510539042 A CN201510539042 A CN 201510539042A CN 105107736 A CN105107736 A CN 105107736A
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- wire rope
- steel wire
- screen cloth
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Abstract
A tension type screen comprises tension hooks, a steel wire rope, cold-drawn steel wires, polyurethane and screws. A production technology of the tension type screen comprises the steps of skeleton fabrication, treatment of abrasive blasting, degreasing and coating on a skeleton, mold preparation, detection and correction of a formula, screen pouring, demolding, repairing, inspection and finished product packing. The tension type screen has the advantages of being resistant to abrasion, oil, aging, tear and impact, high in elasticity, strong in shock absorption, large in load support capacity and the like; compared with a metal screen, a polyurethane screen is light in weight, high in screening efficiency, not prone to hole blocking, resistant to abrasion, impact and tear, long in service life, low in noise, convenient to install and high in comprehensive benefits.
Description
Technical field
The present invention relates to chemical industry China Rubber/plastics Technology field, be specifically related to a kind of tension type screen cloth and production technology.
Background technology
China is a mining powers, but current domestic all kinds of Mineral Processing Enterprises also backwardness relatively, sufficient understanding is not had to the importance of screen cloth in ore dressing industry, along with new material, the fast development of new technology, theory is constantly brought forth new ideas, whole world washing industry screen cloth is in generation one innovation, traditional manganese steel screen cloth, punching screen cloth, braided steel wire screen cloth and stainless steel mesh, noise is there is large in ore dressing process, wear no resistance, screen cloth is heavy, machine utilization is large, maintenance capacity is large, equipment operation efficiency is low, production cost is large, the defects such as mixed economy efficiency difference, polyurethane screen product has wear-resisting, oil resistant, ageing-resistant, tear-resistant, shock-resistant, high resiliency, the performances such as the strong and load support capacity of shock-absorbing is large, compared with its metallic sieve, its polyurethane screen has lightweight, screening efficiency is high, not plug-hole, anti-wear, shock resistance, tear-proof, life-span is long, noise is low, easy for installation, comprehensive benefit advantages of higher.
Summary of the invention
The technical solution used in the present invention is as follows:
A kind of tension type screen cloth, comprise tensioning hook, steel wire rope, cold drawn wire, polyurethane, screw, there is tensioning hook at described tension type screen cloth two ends, steel wire rope and tensioning hook screw link together and form the casing play of polyurethane screen, and steel wire rope is set perpendicular to tensioning hook, is vertically provided with cold drawn wire between steel wire rope, then after skeleton being processed, carry out cast polyurethane feed liquid, form polyurethane stratum reticulare, make tension type screen cloth.
A production technology for tension type screen cloth, comprises the following steps:
(1). the making of skeleton, skeleton comprises tensioning hook, steel wire rope, cold drawn wire, screw, and its making step comprises as follows:
. preparation tensioning hook, cut into the length of needs with laths of metal, the arc chord angle of the curved 50-55 in one end °, the other end is holed;
. the preparation of steel wire rope, cuts into screen cloth length and adds 17mm by steel wire rope, aluminium button on the cover of two ends, and compresses;
. the preparation of cold drawn wire, cuts into mesh widths by cold drawn wire and subtracts 5mm, and bending length is 6-8mm, angle of bend≤90 °;
. the assembling of tensioning hook and steel wire rope, connects tensioning hook with the steel wire rope that key screw makes;
. with granularity 20-40 order, the corundum of air pressure 0.5-0.7MPa, carries out blasting treatment to skeleton;
(2). skeleton carrene carries out ungrease treatment, spray toluene again: diisopropanol: the mixed liquor of Kai Muluoke 218 ratio 1:1:2, drying at room temperature time >=30min, make bondline thickness reach 25-27 μm, be placed in baking oven, temperature is 100-120 DEG C and carries out preliminary drying 25-30min;
(3). the preparation of mould, heating platform temperature 90-100 DEG C, even brushing releasing agent, selects channel-section steel, determines the distance between two channel-section steels, mould is put in two channel-section steels, between mould and channel-section steel, one piece of thick support plate of 14mm is placed on every limit, and tensioner hook-steel wire rope sub-assembly brush carrene or trichloroethylene solvent are carried out ungrease treatment, after solvent volatilization, at the working face brushwork adhesive of tensioner hook, put between punching block and mould;
(4). cast polyurethane screen cloth
. compressed-air actuated operating pressure 0.6-0.8MPa, pressure 0.4-0.5MPa in purge tank, A, B expect that filter is cleaned out, and within the scope of heating oil plant pressure medium 0-0.3MPa, A expects that measuring pump pressure is less than 3MPa, and B expects that measuring pump pressure is less than 0.5MPa;
. lay down mixing head and stir cover funnel and agitator, start precast switch, two cups are placed on rapidly immediately below A, B chock plug, the material transferred out collected respectively by operation precast button, claim its weight and compared with theoretical value, if difference is too large, needs to adjust pump speed, again measure;
. mold temperature 80-100 DEG C, loads onto cast flexible pipe and clamps, starting cast switch, allow feed liquid flow on mould along flexible pipe at leisure, skim over rapidly feed liquid surface with flame, the bubble that cleaning produces, feed liquid reaches the top of channel-section steel, after cast terminates, cover cardboard, heat preservation solidification;
. screen cloth, through the demoulding, is repaired, inspection, packaging.
Further, described heat preservation solidification, early stage solidifies 55-65min, regelate 100 DEG C × 24h.
Beneficial effect of the present invention: the bar in length and breadth of tension type screen cloth is made by high abrasion polyurethane material, include reinforcing bar, screen cloth both sides are provided with elastic tension hook, overall weight is light, flexible, service life comparatively conventional metals screen cloth height 3-10 times, operating noise is low, identify through relevant departments, meet the Standard of Environmental Noise of national specification, noise 6-21 decibels can be reduced than metallic sieve, the probability of workman's tinnitus can be greatly reduced, thus indirectly enhance productivity, also dust from flying can be suppressed, thus make production scene have a quiet clean working environment, one ton of polyurethane screen is often used to get final product saving steel more than 40 tons, save maintenance cost 4-5 more than ten thousand yuan, tensile strength, tearing toughness is high, wearability is fabulous, resilience is good, compression set is little, long service life, strong with metallic matrix adhesion, be not easy aliquation and come off, surface smoothness is high, dimensionally stable.
Accompanying drawing explanation
Fig. 1 is a kind of cross section structure schematic diagram of tensioning tool screen cloth;
Fig. 2 is the structural representation of skeleton.
Detailed description of the invention
A kind of tension type screen cloth, comprise tensioning hook 1, steel wire rope 2, cold drawn wire 3, polyurethane 4, screw 5, there is tensioning hook 1 at described tension type screen cloth two ends, steel wire rope 2 and tensioning hook 1 link together with screw 5 and form the casing play of polyurethane screen, and steel wire rope 2 is set perpendicular to tensioning hook 1, is vertically provided with cold drawn wire 3 between steel wire rope 2, then after skeleton being processed, carry out cast polyurethane feed liquid, form polyurethane stratum reticulare, make tension type screen cloth.
A production technology for tension type screen cloth, comprises the following steps:
(1). the making of skeleton, skeleton comprises tensioning hook, steel wire rope, cold drawn wire, screw, and its making step comprises as follows:
. preparation tensioning hook, cut into the length of needs with laths of metal, the arc chord angle of the curved 50-55 in one end °, the other end is holed;
. the preparation of steel wire rope, cuts into screen cloth length and adds 17mm by steel wire rope, aluminium button on the cover of two ends, and compresses;
. the preparation of cold drawn wire, cuts into mesh widths by cold drawn wire and subtracts 5mm, and bending length is 6-8mm, angle of bend≤90 °;
. the assembling of tensioning hook and steel wire rope, connects tensioning hook with the steel wire rope that key screw makes;
. with granularity 20-40 order, the corundum of air pressure 0.5-0.7MPa, carries out blasting treatment to skeleton;
(2). skeleton carrene carries out ungrease treatment, spray toluene again: diisopropanol: the mixed liquor of Kai Muluoke 218 ratio 1:1:2, drying at room temperature time >=30min, make bondline thickness reach 25-27 μm, be placed in baking oven, temperature is 100-120 DEG C and carries out preliminary drying 25-30min;
(3). the preparation of mould, heating platform temperature 90-100 DEG C, even brushing releasing agent, selects channel-section steel, determines the distance between two channel-section steels, mould is put in two channel-section steels, between mould and channel-section steel, one piece of thick support plate of 14mm is placed on every limit, and tensioner hook-steel wire rope sub-assembly brush carrene or trichloroethylene solvent are carried out ungrease treatment, after solvent volatilization, at the working face brushwork adhesive of tensioner hook, put between punching block and mould;
(4). cast polyurethane screen cloth
. compressed-air actuated operating pressure 0.6-0.8MPa, pressure 0.4-0.5MPa in purge tank, A, B expect that filter is cleaned out, and within the scope of heating oil plant pressure medium 0-0.3MPa, A expects that measuring pump pressure is less than 3MPa, and B expects that measuring pump pressure is less than 0.5MPa;
. lay down mixing head and stir cover funnel and agitator, start precast switch, two cups are placed on rapidly immediately below A, B chock plug, the material transferred out collected respectively by operation precast button, claim its weight and compared with theoretical value, if difference is too large, needs to adjust pump speed, again measure;
. mold temperature 80-100 DEG C, loads onto cast flexible pipe and clamps, starting cast switch, allow feed liquid flow on mould along flexible pipe at leisure, skim over rapidly feed liquid surface with flame, the bubble that cleaning produces, feed liquid reaches the top of channel-section steel, after cast terminates, cover cardboard, heat preservation solidification;
. screen cloth, through the demoulding, is repaired, inspection, packaging.
Further, described heat preservation solidification, early stage solidifies 55-65min, regelate 100 DEG C × 24h.
Claims (3)
1. a tension type screen cloth, comprise tensioning hook, steel wire rope, cold drawn wire, polyurethane, screw, it is characterized in that, there is tensioning hook at described tension type screen cloth two ends, and steel wire rope and tensioning hook screw link together and form the casing play of polyurethane screen, steel wire rope is set perpendicular to tensioning hook, vertically be provided with cold drawn wire between steel wire rope, after then skeleton being processed, carry out cast polyurethane feed liquid, form polyurethane stratum reticulare, make tension type screen cloth.
2. a production technology for tension type screen cloth, is characterized in that, comprises the following steps:
(1). the making of skeleton, skeleton comprises tensioning hook, steel wire rope, cold drawn wire, screw, and its making step comprises as follows:
. preparation tensioning hook, cut into the length of needs with laths of metal, the arc chord angle of the curved 50-55 in one end °, the other end is holed;
. the preparation of steel wire rope, cuts into screen cloth length and adds 17mm by steel wire rope, aluminium button on the cover of two ends, and compresses;
. the preparation of cold drawn wire, cuts into mesh widths by cold drawn wire and subtracts 5mm, and bending length is 6-8mm, angle of bend≤90 °;
. the assembling of tensioning hook and steel wire rope, connects tensioning hook with the steel wire rope that key screw makes;
. with granularity 20-40 order, the corundum of air pressure 0.5-0.7MPa, carries out blasting treatment to skeleton;
(2). skeleton carrene carries out ungrease treatment, spray toluene again: diisopropanol: the mixed liquor of Kai Muluoke 218 ratio 1:1:2, drying at room temperature time >=30min, make bondline thickness reach 25-27 μm, be placed in baking oven, temperature is 100-120 DEG C and carries out preliminary drying 25-30min;
(3). the preparation of mould, heating platform temperature 90-100 DEG C, even brushing releasing agent, selects channel-section steel, determines the distance between two channel-section steels, mould is put in two channel-section steels, between mould and channel-section steel, one piece of thick support plate of 14mm is placed on every limit, and tensioner hook-steel wire rope sub-assembly brush carrene or trichloroethylene solvent are carried out ungrease treatment, after solvent volatilization, at the working face brushwork adhesive of tensioner hook, put between punching block and mould;
(4). cast polyurethane screen cloth
. compressed-air actuated operating pressure 0.6-0.8MPa, pressure 0.4-0.5MPa in purge tank, A, B expect that filter is cleaned out, and within the scope of heating oil plant pressure medium 0-0.3MPa, A expects that measuring pump pressure is less than 3MPa, and B expects that measuring pump pressure is less than 0.5MPa;
. lay down mixing head and stir cover funnel and agitator, start precast switch, two cups are placed on rapidly immediately below A, B chock plug, the material transferred out collected respectively by operation precast button, claim its weight and compared with theoretical value, if difference is too large, needs to adjust pump speed, again measure;
. mold temperature 80-100 DEG C, loads onto cast flexible pipe and clamps, starting cast switch, allow feed liquid flow on mould along flexible pipe at leisure, skim over rapidly feed liquid surface with flame, the bubble that cleaning produces, feed liquid reaches the top of channel-section steel, after cast terminates, cover cardboard, heat preservation solidification;
. screen cloth, through the demoulding, is repaired, inspection, packaging.
3. the production technology of a kind of tension type screen cloth according to claim 2, is characterized in that, described heat preservation solidification, and early stage solidifies 55-65min, regelate 100 DEG C × 24h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539042.7A CN105107736A (en) | 2015-08-29 | 2015-08-29 | Tension type screen and production technology |
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|---|---|---|---|
| CN201510539042.7A CN105107736A (en) | 2015-08-29 | 2015-08-29 | Tension type screen and production technology |
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| CN105107736A true CN105107736A (en) | 2015-12-02 |
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| CN201510539042.7A Pending CN105107736A (en) | 2015-08-29 | 2015-08-29 | Tension type screen and production technology |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167543A (en) * | 2016-08-11 | 2016-11-30 | 安徽龙川橡塑科技有限公司 | A kind of production technology of fine mesh polyurethane screen |
| CN106279601A (en) * | 2016-08-11 | 2017-01-04 | 安徽龙川橡塑科技有限公司 | A kind of preparation technology of weather-resistant pu screen cloth |
| CN108745881A (en) * | 2018-06-05 | 2018-11-06 | 濉溪博赢橡塑制品有限公司 | A kind of underground mine use fire resistant antistatic wear-proof Rubber screen |
| CN110238052A (en) * | 2019-07-29 | 2019-09-17 | 广州中航环保科技有限公司 | A kind of filter screen and its manufacture craft |
| CN113003654A (en) * | 2021-03-01 | 2021-06-22 | 苏州市广园食记餐饮服务有限公司 | Sieve-washing type filter screen mechanism |
| CN113333286A (en) * | 2021-07-17 | 2021-09-03 | 安徽方园毅智筛分科技有限责任公司 | Vertical rib type polyurethane screen mesh |
| CN113680659A (en) * | 2021-07-22 | 2021-11-23 | 安徽昊华环保科技有限公司 | Production process method of wear-resistant high-strength polyurethane cast sieve plate |
| CN114505228A (en) * | 2022-03-02 | 2022-05-17 | 辽宁工程技术大学 | Self-heating type flexible screen for coal mine drying |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186907A (en) * | 2000-12-20 | 2002-07-02 | Sanshin Kogyo Kk | Manufacturing method of screen net for bundled vibration screen |
| CN2581087Y (en) * | 2002-12-10 | 2003-10-22 | 程尧 | Tensioned hook wire rope rib polyurethane screen mesh |
| CN1923498A (en) * | 2006-08-30 | 2007-03-07 | 李强 | Production technology of polyurethane fine screen mesh |
| CN103041985A (en) * | 2013-01-16 | 2013-04-17 | 成都西部石油装备有限公司 | Fine polyurethane sieve and forming method thereof |
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2015
- 2015-08-29 CN CN201510539042.7A patent/CN105107736A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186907A (en) * | 2000-12-20 | 2002-07-02 | Sanshin Kogyo Kk | Manufacturing method of screen net for bundled vibration screen |
| CN2581087Y (en) * | 2002-12-10 | 2003-10-22 | 程尧 | Tensioned hook wire rope rib polyurethane screen mesh |
| CN1923498A (en) * | 2006-08-30 | 2007-03-07 | 李强 | Production technology of polyurethane fine screen mesh |
| CN103041985A (en) * | 2013-01-16 | 2013-04-17 | 成都西部石油装备有限公司 | Fine polyurethane sieve and forming method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167543A (en) * | 2016-08-11 | 2016-11-30 | 安徽龙川橡塑科技有限公司 | A kind of production technology of fine mesh polyurethane screen |
| CN106279601A (en) * | 2016-08-11 | 2017-01-04 | 安徽龙川橡塑科技有限公司 | A kind of preparation technology of weather-resistant pu screen cloth |
| CN108745881A (en) * | 2018-06-05 | 2018-11-06 | 濉溪博赢橡塑制品有限公司 | A kind of underground mine use fire resistant antistatic wear-proof Rubber screen |
| CN110238052A (en) * | 2019-07-29 | 2019-09-17 | 广州中航环保科技有限公司 | A kind of filter screen and its manufacture craft |
| CN113003654A (en) * | 2021-03-01 | 2021-06-22 | 苏州市广园食记餐饮服务有限公司 | Sieve-washing type filter screen mechanism |
| CN113003654B (en) * | 2021-03-01 | 2022-11-25 | 上海凤贤化工科技有限公司 | Screen washing type filter screen mechanism |
| CN113333286A (en) * | 2021-07-17 | 2021-09-03 | 安徽方园毅智筛分科技有限责任公司 | Vertical rib type polyurethane screen mesh |
| CN113680659A (en) * | 2021-07-22 | 2021-11-23 | 安徽昊华环保科技有限公司 | Production process method of wear-resistant high-strength polyurethane cast sieve plate |
| CN113680659B (en) * | 2021-07-22 | 2023-02-17 | 安徽昊华环保科技有限公司 | Production process method of wear-resistant high-strength polyurethane cast sieve plate |
| CN114505228A (en) * | 2022-03-02 | 2022-05-17 | 辽宁工程技术大学 | Self-heating type flexible screen for coal mine drying |
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Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |