CN102277774A - Cleaning scraper - Google Patents
Cleaning scraper Download PDFInfo
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- CN102277774A CN102277774A CN201110250417XA CN201110250417A CN102277774A CN 102277774 A CN102277774 A CN 102277774A CN 201110250417X A CN201110250417X A CN 201110250417XA CN 201110250417 A CN201110250417 A CN 201110250417A CN 102277774 A CN102277774 A CN 102277774A
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- scraper
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Abstract
The invention relates to a cleaning scraper. A base material is formed by bonding a silicon carbide layer between a carbon fiber cloth layer and a glass fiber cloth layer or between two glass fiber cloth layers, the base material is subjected to pre-impregnation, cutting, spreading and heating to be cured to form boards under the pressure, and the boards are stripped, ground and sharpened. At the sharpened end of the scraper, a sharpened angle is between 20 and 60 degrees, the thickness of the scraper is between 1.5 and 5 millimeters, the length is between 76 and 200 millimeters, and the length is determined according to customers' requirements. The other end of the scraper is a connecting end, and after being riveted by a U-shaped groove or a rivet or being loaded with a butterfly sheet, the connecting end is connected with a scraper frame in modes of riveting or milling step surfaces and the like. The cleaning scraper is resistant to high temperature, high in strength and dirt-removing power of a drying cylinder and easy and convenient to manufacture.
Description
(the dispatch sequence number: what requirement 2011042900745560) was carried out divides an application the application according to dispatch on 05 05th, 2011 " notification of examiner's opinion for the first time ".The applying date of original application is on October 16th, 2009, and application number is 200910210728.6, and invention and created name is " cleaning doctor and a manufacture method thereof ".
(1) technical field:
The present invention relates to a kind of resin blade, relate in particular to a kind of cleaning doctor that is used for messy drying cylinder and is stained with the calender of hard dirt, belong to the supporting cutter manufacturing technology of paper making equipment field.
(2) background technology:
At present, the used scraper of papermaking equipment is steel spatula or epoxy resin scraper, and in process of production, steel spatula is hard, and the disgrace poor toughness is easy to roller is scratched, and like this, producer has wasted the time because of repairing roller, causes many economic losses; Epoxy resin scraper fragility is big. and temperature tolerance is poor; in use blade is easy to become zigzag and woollen blanket is scratched and causes shutdown; the deliquescing of temperature tolerance official post blade; the dirt of roller top is scraped to be got off; especially when manufacturing writing paper and add graphite powder; being easy to fade make speckles with black trace on the blank sheet of paper, therefore scrap and cause waste serious.
(3) summary of the invention:
The purpose of this invention is to provide a kind of cleaning doctor, this cleaning doctor is high temperature resistant, wear-resistant, has high strength and high tenacity, can be used for messy drying cylinder and be stained with the calender of hard dirt, and dirt-removing power is strong in drying cylinder portion, and manufacture method is simple, and cost is low.
The present invention realizes by the following technical programs:
(one), the manufacture method of a kind of cleaning doctor of the present invention, its step is as follows:
(1), the preparation of cleaning doctor base material: the cleaning doctor base material mainly is by carbon cloth and glass fabric or all uses glass fabric, place, internal layer centre position folder one deck silicon carbide fibre layer of cloth or fused alumina zirconia fiber layer of cloth, formulated through the binding agent bonding, this binding agent is a liquid resin glue, be to add following other component to make in the novolac epoxy resin of 100 parts of parts by weight, the parts by weight of other component are as follows:
Epoxy resin toughener 5--18 part; Dicyandiamide 8--12 part;
Imidazoles 0.003--0.008 part; Dimethyl formamide (DMF) 24-48 part;
Acetone 40-60 part; Silicon powder 12-35 part;
1.5 parts of molybdenum bisuphide; Carborundum 0.5-1 part;
Fused alumina zirconia 0.5-1 part.
Wherein, described novolac epoxy resin, its model is F51 or NPPN638S or KEP-1138
(2), with glass fabric and the pre-impregnation of carbon cloth, divide sanction, stone, intensification cure under pressure.Specifically be exactly to use the liquid resin glue for preparing through the high temperature gluing glass fabric and carbon cloth, place, internal layer centre position folder one deck silicon carbide fibre layer of cloth or fused alumina zirconia fiber layer of cloth, in layer complete as requested then, put into press press curing after press is heated pressurization and become sheet material, then this sheet material is carried out itemize, grinds, puts the first edge on a knife or a pair of scissors, be the end A that puts the first edge on a knife or a pair of scissors at an end that puts the first edge on a knife or a pair of scissors, its blade angle α (being cutting edge and horizontal sextant angle) makes according to customer requirement; The other end (end that does not promptly put the first edge on a knife or a pair of scissors) at scraper is link B.
Wherein, described intensification cure under pressure, its intensification is progressively to heat from low to high, the highlyest is added to 260 degree Celsius, and its pressurization is progressively to pressurize from low to high, and the highest unit square that is pressurized to centimetre is 80 kilograms, carries out press curing with this.
(3) this cleaning doctor, its structural material can be selected following several form for use: 1. blade surface two-layer (being each one deck of upper and lower surface) is with carbon cloth (accounting for 20%), other about 80% uses glass fabric, therebetween one deck silicon carbide fibre layer of cloth or fused alumina zirconia fiber layer of cloth; 2. all use glass fabric, therebetween one deck silicon carbide fibre layer of cloth or fused alumina zirconia fiber layer of cloth.
(two) shape of this cleaning doctor is constructed as follows:
(1) cleaning doctor that adopts above-mentioned base material to make, its shape construction size is as follows:
A scraper end along its length is the end A that puts the first edge on a knife or a pair of scissors, and puts the first edge on a knife or a pair of scissors in a Side or the both sides of the end A that puts the first edge on a knife or a pair of scissors, and the blade angle α that puts the first edge on a knife or a pair of scissors (being cutting edge and horizontal sextant angle α) is the 20-60 degree; Blade thickness is 1.5-5mm.; The scraper width is 76-200mm; The length of this scraper can customize on demand.
Generally speaking, blade thickness is 1.5-2mm, and scraper length is 1-50 rice, and the scraper width is 76-200mm.
This scraper is link B at an end that does not put the first edge on a knife or a pair of scissors, in order to connect knife rest.This link B can with open U type groove pattern or with rivet or after installing the butterfly sheet additional with rivet or mill forms such as step surface, in order to be connected with knife rest.
(2) the various connected modes of this scraper link B, its concrete size is as follows:
Link B is to open U type flute profile formula: then U type slot pitch is from the 10-15 centimetre, and U type groove depth is the 3-3.5 centimetre, and U type well width is 100--150mm;
Link B is with the rivet form: then rivet pitch is 300--550mm, and rivet length is 5--10mm;
Link B is to install butterfly sheet riveted joint form additional: then butterfly sheet spacing is 300-550mm, and butterfly sheet thickness is 2.5mm.
Link B is to mill the step surface form: this step surface can be arranged on end face or the bottom surface of link B, and the width of step surface is 1-3cm, and the height of step surface is 1/3rd of a blade thickness.This step surface also can all be provided with in end face and the bottom surface of link B.
The cleaning doctor that the method for the invention is made, its advantage is: it is high temperature resistant, ABRASION RESISTANCE good, intensity is good, pliability is good.This cleaning doctor is installed in knife rest firmly, and method for making is easy, good manufacturability, and cost is low, can be used for messy drying cylinder and be stained with the calender of hard dirt, goes the ability of dirt strong in drying cylinder portion, can make the cylinder face gloss occur.
(4) description of drawings:
Fig. 1 is cleaning doctor (rivet an is housed) schematic perspective view
The blade angle α schematic diagram that Fig. 2 puts the first edge on a knife or a pair of scissors for cleaning doctor
Fig. 3 is for installing the cleaning doctor schematic perspective view of butterfly sheet riveted joint additional
Fig. 4 is for opening the cleaning doctor schematic perspective view of U type groove
Fig. 5 a, Fig. 5 b are each schematic perspective view that is connected the end mill step surface at scraper with Fig. 5 c
Symbol description is as follows among the figure:
A-puts the first edge on a knife or a pair of scissors and holds B-link α-blade angle
(5) specific embodiment:
See shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 a, Fig. 5 b and Fig. 5 c
Embodiment 1
(one), the manufacture method of cleaning doctor, its step is as follows:
(1), the preparation of cleaning doctor base material: the cleaning doctor base material all adopts glass fabric, and place, internal layer centre position folder one deck silicon carbide fibre cloth is formulated with the binding agent bonding; Be about to glass fabric behind pre-impregnation, branch sanction, stone, place, internal layer centre position folder one deck silicon carbide fibre cloth, cure under pressure thereafter heats up.Specifically be exactly to use the liquid resin glue for preparing through the high temperature gluing glass fabric, in layer complete as requested then, place, internal layer centre position folder one deck silicon carbide fibre cloth, put into press press curing after press is heated pressurization and become sheet material, then this sheet material is carried out itemize, grinds, puts the first edge on a knife or a pair of scissors, be the end A that puts the first edge on a knife or a pair of scissors at an end that puts the first edge on a knife or a pair of scissors, its blade angle α (being cutting edge and horizontal sextant angle) sees shown in Figure 2.Make (present embodiment is 25 degree) according to customer requirement, then the other end of scraper be link B riveting copper rivet or install the butterfly sheet additional after with the copper rivet riveted joint, see Fig. 1 and shown in Figure 3.
Wherein, described intensification cure under pressure, its intensification is progressively to heat from low to high, the highlyest is added to 260 degree Celsius, and its pressurization is progressively to pressurize from low to high, and the highest unit square that is pressurized to centimetre is 80 kilograms, carries out press curing with this.
(2) this agent bonding is a liquid resin glue, is to add following other component to make in the novolac epoxy resin F51 of 100 parts of parts by weight, and the parts by weight of other component are as follows:
5 parts of epoxy resin tougheners; 10 parts of dicyandiamides; 0.005 part of imidazoles;
24 parts of dimethyl formamides (DMF); 45 parts in acetone; 25 parts of silicon powders;
1.5 parts of molybdenum bisuphide; 0.8 part in carborundum; 0.8 part of fused alumina zirconia.
(two) shape of cleaning doctor is constructed as follows:
The cleaning doctor that adopts above-mentioned base material to make, its shape size dimension is as follows:
Put the first edge on a knife or a pair of scissors in a Side or the both sides of the scraper end A that puts the first edge on a knife or a pair of scissors along its length, cutting edge requires and horizontal sextant angle is 25 degree;
Blade thickness is 2mm.; The scraper width is 76mm; Scraper length is 100 centimeters.
This scraper is that link B is with the copper rivet riveted joint or installs butterfly sheet riveting copper rivet additional in order to connect knife rest at the other end that does not put the first edge on a knife or a pair of scissors.The copper rivet of riveted joint, its rivet pitch is 300mm, rivet length is 8mm; The riveting copper rivet connects if install additional behind the butterfly sheet again, and then the spacing of butterfly sheet is 300mm, and butterfly sheet thickness is 2.5mm.
Embodiment 2
(one), the manufacture method of cleaning doctor, its step is as follows:
(1), the preparation of cleaning doctor base material: the cleaning doctor base material mainly is by carbon cloth and glass fabric, place, internal layer centre position folder one deck fused alumina zirconia cloth, formulated through the binding agent bonding, this agent bonding is a liquid resin glue, be to add following other component to make in the novolac epoxy resin NPPN638S of 100 parts of parts by weight, the parts by weight of other component are as follows:
10 parts of epoxy resin tougheners; 8 parts of dicyandiamides; 0.003 part of imidazoles;
30 parts of dimethyl formamides (DMF); 42 parts in acetone; 20 parts of silicon powders;
1.5 parts of molybdenum bisuphide; 1 part in carborundum; 1 part of fused alumina zirconia.
(2), with carbon cloth (accounting for 20%) and glass fabric (accounting for 80%), internal layer centre position place folder one deck fused alumina zirconia cloth, is divided sanction, stone, intensification cure under pressure at pre-then impregnation.Specifically be exactly to use the liquid resin glue for preparing through the high temperature gluing carbon cloth and glass fabric, (promptly go up according to blade surface is two-layer then, each one deck of lower surface) uses carbon cloth, other uses the requirement of glass fabric, in layer complete, place, internal layer centre position folder one deck fused alumina zirconia cloth, put into press press curing after press is heated pressurization and become sheet material, then this sheet material is carried out itemize, grind, put the first edge on a knife or a pair of scissors, an end that is putting the first edge on a knife or a pair of scissors, its blade angle α (being cutting edge and horizontal sextant angle) is 35 degree, open U type groove at the other end (end that does not promptly put the first edge on a knife or a pair of scissors) of scraper then, see shown in Figure 4.
Wherein, described intensification cure under pressure, its intensification is progressively to heat from low to high, the highlyest is added to 260 degree Celsius, and its pressurization is progressively to pressurize from low to high, and the highest unit square that is pressurized to centimetre is 80 kilograms, carries out press curing with this.
(two) shape of cleaning doctor is constructed as follows:
The cleaning doctor that adopts above-mentioned base material to make, its shape size dimension is as follows:
Put the first edge on a knife or a pair of scissors in a Side or the both sides of the scraper end A that puts the first edge on a knife or a pair of scissors along its length, cutting edge requires and horizontal sextant angle is 35 degree;
Blade thickness is 3mm.; The scraper width is 80mm; Scraper length is 200 centimeters.
This scraper is link B at the other end that does not put the first edge on a knife or a pair of scissors, and is out that U type groove is in order to connect knife rest.The concrete size of this U type groove is as follows: U type slot pitch is from 10 centimeters, and U type groove depth is 3 centimeters, and U type well width is 100mm.
Embodiment 3
(one), the manufacture method of cleaning doctor, its step is as follows:
(1), the preparation of cleaning doctor base material: the cleaning doctor base material mainly is by carbon cloth and glass fabric, place, internal layer centre position folder one deck silicon carbide fibre cloth, formulated through the binding agent bonding, this agent bonding is a liquid resin glue, be to add following other component to make in the novolac epoxy resin KEF-1138 of 100 parts of parts by weight, the parts by weight of other component are as follows:
18 parts of epoxy resin tougheners; 12 parts of dicyandiamides; 0.008 part of imidazoles;
45 parts of dimethyl formamides (DMF); 50 parts in acetone; 30 parts of silicon powders;
1.5 parts of molybdenum bisuphide; 0.7 part in carborundum; 0.7 part of fused alumina zirconia.
(2), with carbon cloth (accounting for 20%) and glass fabric (accounting for 80%), internal layer centre position place folder one deck silicon carbide fibre cloth, divides sanction, stone, intensification cure under pressure at pre-then impregnation.Specifically be exactly to use the liquid resin glue for preparing through the high temperature gluing carbon cloth and glass fabric, (promptly go up according to blade surface is two-layer then, each one deck of lower surface) uses carbon cloth, other uses the requirement of glass fabric, in layer complete, place, internal layer centre position folder one deck silicon carbide fibre cloth, put into press press curing after press is heated pressurization and become sheet material, then this sheet material is carried out itemize, grind, put the first edge on a knife or a pair of scissors, an end that is putting the first edge on a knife or a pair of scissors, its blade angle α (being cutting edge and horizontal sextant angle) is 35 degree, mill step surface at the opposite side that puts the first edge on a knife or a pair of scissors (end that does not promptly put the first edge on a knife or a pair of scissors) then, if step surface is milled in end face or bottom surface at link B, as Fig. 5 a, shown in Fig. 5 b, if all mill step surface, shown in Fig. 5 c in end face and the bottom surface of link B.
Wherein, described intensification cure under pressure, its intensification is progressively to heat from low to high, the highlyest is added to 260 degree Celsius, and its pressurization is progressively to pressurize from low to high, and the highest unit square that is pressurized to centimetre is 80 kilograms, carries out press curing with this.
(two) shape of this cleaning doctor is constructed as follows:
(1) cleaning doctor that adopts above-mentioned base material to make, its shape size dimension is as follows:
Put the first edge on a knife or a pair of scissors in a Side or the both sides of the scraper end A that puts the first edge on a knife or a pair of scissors along its length, cutting edge requires and horizontal sextant angle is 35 degree;
Blade thickness is 2.5mm.; The scraper width is 90mm; Scraper length is 250 centimeters.
This scraper is that link is to mill the step surface form in order to connect knife rest at the other end that does not put the first edge on a knife or a pair of scissors.This step surface can be arranged on the end face or the bottom surface of link, and the width of step surface is 2cm, and the height of step surface is 1/3rd of a blade thickness.
Claims (7)
1. cleaning doctor, it is characterized in that: its shape is constructed as follows:
This scraper end that puts the first edge on a knife or a pair of scissors along its length puts the first edge on a knife or a pair of scissors, and cutting edge requires and horizontal sextant angle is the 20-60 degree;
Blade thickness is 1.5-5mm.; The scraper width is 76-200mm; Scraper length: the length of this scraper is 1-50 rice;
This scraper is a link at the other end that does not put the first edge on a knife or a pair of scissors, in order to connect knife rest.
2. according to the described cleaning doctor of claim 1, it is characterized in that: this link is with opening U type groove pattern in order to be connected with knife rest.
3. cleaning doctor according to claim 1 is characterized in that: this link is connected with knife rest with rivet.
4. cleaning doctor according to claim 1 is characterized in that: this link is connected with knife rest with rivet after installing the butterfly sheet additional.
5. cleaning doctor according to claim 1 is characterized in that: this link is connected with knife rest with milling the step surface pattern, and this step surface is arranged on the end face of link, and the height of step surface is 1/3rd of a blade thickness.
6. cleaning doctor according to claim 1 is characterized in that: this link is connected with knife rest with milling the step surface pattern, and this step surface is arranged on the bottom surface of link, and the height of step surface is 1/3rd of a blade thickness.
7. cleaning doctor according to claim 1 is characterized in that: this link is connected with knife rest with milling the step surface pattern, and this step surface is arranged on the end face and the bottom surface of link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110250417XA CN102277774A (en) | 2009-10-16 | 2009-10-16 | Cleaning scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110250417XA CN102277774A (en) | 2009-10-16 | 2009-10-16 | Cleaning scraper |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102107286A Division CN101698984B (en) | 2009-10-16 | 2009-10-16 | Manufacturing method of wiper blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102277774A true CN102277774A (en) | 2011-12-14 |
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ID=45103487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110250417XA Pending CN102277774A (en) | 2009-10-16 | 2009-10-16 | Cleaning scraper |
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| Country | Link |
|---|---|
| CN (1) | CN102277774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665866A (en) * | 2018-07-02 | 2020-01-10 | 上海东新冶金技术工程有限公司 | Looping roller air bag scraper adopting double air bags and using method thereof |
-
2009
- 2009-10-16 CN CN201110250417XA patent/CN102277774A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665866A (en) * | 2018-07-02 | 2020-01-10 | 上海东新冶金技术工程有限公司 | Looping roller air bag scraper adopting double air bags and using method thereof |
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Application publication date: 20111214 |