CN1381329A - Composite saw blade - Google Patents
Composite saw blade Download PDFInfo
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- CN1381329A CN1381329A CN 02121242 CN02121242A CN1381329A CN 1381329 A CN1381329 A CN 1381329A CN 02121242 CN02121242 CN 02121242 CN 02121242 A CN02121242 A CN 02121242A CN 1381329 A CN1381329 A CN 1381329A
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- saw blade
- tool rest
- cutter head
- saw
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Abstract
A combined saw blade is composed of saw blade matrix made of fibre reinforced thermosetting or reinforced thermoplastic plastics, cutter heads, and cutter seats consisting upper and lower units. Its advantages are high weight, exchangeable cutter, and no rust of saw blade matrix.
Description
Technical field
The present invention relates to a kind of saw blade, be specifically related to composite saw blade, this saw blade is used on the cutting machine can cut various materials, cutting stone material for example, metal, plastics or the like.
Technical background
The application of relevant saw blade is a lot, CN2410098 for example, and 2168672,2419025,2400253,2477342,2468703,2267146 etc., its content this paper is in conjunction with quoting.Saw blade generally comprises garden sheet metal substrate and sawtooth, and sawtooth is with or without diamond coating and/or diamond is pressed the knot layer.Sawtooth comprises cutter head and tool rest in the application that has, and utilizes variety of way that cutter head is connected with saw bit matrix, for example CN2168672.But the saw blade that relates to plastics is not found as yet; Have only CN2410098 to disclose a kind of saw blade that cuts timber, wherein use plastic layer that the metal saw bit matrix is covered, purpose only is to prevent that natural gum from covering on cutter head.
Summary of the invention
Purpose of the present invention provides a kind of composite saw blade, not only can alleviate saw blade weight saving energy consumption, and the problem on deformation can also avoid the corrosion problem of metal saw blade and welding cutter head the time.
Another object of the present invention provides a kind of composite saw blade of interchangeable bit, under the situation of tool bit abrasion, only changes cutter head and keeps saw bit matrix, so that economical with materials.
The present invention realizes by change saw blade material.Composite saw blade of the present invention comprises saw bit matrix, cutter head and tool rest, and wherein saw bit matrix is made up of a kind of composite plastic, and tool rest and matrix fuse.Tool rest can further comprise upper cutter head and following tool rest, and following tool rest is imbedded the composite plastic saw bit matrix, and upper cutter head can combine with following tool rest behind the welding cutter head again, so that avoid welding deformation.
The composite plastic that constitutes composite saw blade of the present invention comprises the thermosetting or the thermoplastic of enhancing property.Described enhancing plastics mean conventional additives materials such as adding fiber, filler in the plastics, make mechanical strength increase, and can bear cutting processing.Also can use modified plastics, as long as its mechanical strength can be born cutting processing.In one embodiment, use epoxy resin and fiber and other material to make saw bit matrix; Fiber comprises that glass fibre and carbon fibre material come reinforced plastics, and comprises other conventional curing additive and/or fillers.Be further enhance mechanical strength, in carbon fiber, can comprise CNT.
The tool rest of composite saw blade is when cast or injection moulding manufacturing saw bit matrix, by be embedded in the precalculated position in advance in mould, with this tool rest and matrix is fused; Metalworks such as tool rest and centralized positioning annulate shaft cover can be called built-in fitting.Described precalculated position is to allow the formed angle of each tool rest center line and saw blade center be that central angle θ is 4-12 °.
Also plastics saw blade circumferential edge can be inlayed a circle metal bound edge, the outside center edge of metal bound edge has connected tool rest according to the precalculated position in advance.Also can use the vertically hung scroll shape metalwork of similar wheel to be embedded in middle hot pressing, the vertically hung scroll head connection tool rest of carrying out of saw blade; Maybe this metalwork is embedded on the single or double of saw bit matrix.Some plastics is soft, except that adopting above-mentioned measure, also can add wire netting in the middle of saw bit matrix.Also can allow the metal bound edge not connect tool rest, but in the middle of metal bound edge outside, plate a diamond layer in advance.The generation type of diamond layer can be selected from the pressure knot of heating and/or pressurization, chemical vapour deposition (CVD), plasma deposition or plasma plating.
Key of the present invention is to use composite plastic to make saw bit matrix, in order that the energy is saved in weight reduction.Moreover, use cutter head to connect tool rest, keep saw bit matrix so that when tool bit abrasion, only change cutter head, so that the user reduces cost.
This paper term composite plastic or enhancing property plastics are meant that the mechanical strength of plastics itself is reinforced, and it is indeformable when operation to stand saw blade, not cracked.As long as reach this target, any enhancing plastics all can use.Plastics for example comprise the polyolefin resins of aromatic hydrocarbons, polyester resin, epoxy resin or the like.Wherein resin can have substituting group, halogeno-group for example, and alkyl, hydroxyl, alkenyl, aryl, amino or the like.Resemble alkenyl halide, halogenated aryl hydrocarbon resin such as polytetrafluoroethylene (PTFE), polyvinyl chloride; Replacement or unsubstituted polystyrene, polyurethane, Merlon, phenolic resins, phthalic acid resin or the like.Preferred epoxy wherein, because for general medium-sized and small enterprises, its raw material easily obtains from market, manufacturing process is simple.
In advance mould is applied releasing agent and locate the tool rest built-in fitting of pre-buried connection cutter head and the built-in fitting of metal axle sleeve, according to selected thermosetting plastics character, mixed with the fibrous material of suitable curing agent and auxiliary material such as various known additives of filler binding agent and enhancing usefulness, mould adds size alternatively, then mixture is injected mould, hot-press solidifying, the demoulding, suitable back processing are handled and are obtained product.
Thermoplastic is generally selected graininess for use, with various known auxiliary materials with to strengthen the fibrous material of usefulness mixed, inserts and carries out thermo-compression bonding in the mould of prior coating releasing agent and pre-aligned appropriate built-in fitting and solidify, the demoulding, appropriate postprocessing and obtain product.
Fibrous material can be a glass fibre, metallic fiber, carbon fiber etc.Glass fibre generally increases pliability, and carbon fiber generally increases mechanical strength.According to selected plastics difference, the kind and the size of fiber are had nothing in common with each other.For example the mechanical strength of polycarbonate plastic is higher, and the quantity of carbon fiber can suitably reduce.And epoxy resin is soft, and carbon fiber will add morely.According to the type of epoxy resin, can add the glass fibre even the glass fabric of different length different proportion.Its concrete proportion relation all well known to a person skilled in the art, perhaps can obtain by conventional optimization test fully, need not to give unnecessary details.For the relatively poor plastic material of intensity, when adding fibrous material, behind the other adding CNT,, find to obtain excellent intensity though adding quantity is few.Certainly, because CNT costs an arm and a leg, carry out cost accounting.In the saw blade gross weight, the CNT addition is 0-20wt%, preferred 1-10wt%, more preferably 0.5-5wt%.
Even can customize modified plastic board to plastic processing factory with certain mechanical strength, after cutting out, inlay metalworks such as tool rest and axle sleeve and prepare saw bit matrix with hot pressing or other modes.For example in advance connect tool rest, then this bonding jumper is carried out bound edge hot pressing to the saw bit matrix of garden sheet in the precalculated position of bonding jumper.Also can adopt the garden sheet saw blade of no sawtooth form, diamond of plating in the middle of the bonding jumper, both sides suitably are cut into zigzag so that with garden sheet saw bit matrix bound edge, then through the metal axle sleeve of hot pressing fixing metal bar and saw bit matrix central authorities.
Pre-buried tool rest shape is not had strict restriction, imbed the general preferred trapezoidal or rectangle in its cross section of part of plastics, square and circle or ellipse all can.Also can there be groove or groove in the surface of pre-buried part, so that better in conjunction with saw bit matrix.Use rivet or screw further fixing alternatively.Being connected of cutter head and tool rest do not have strict restriction equally, can weld or rivet, and preferred weld is brazing or silver soldering for example.Some plastics can not bear the temperature of welding, in this case, tool rest can be divided into upper and lower tool rest, and following tool rest is pre-buried, upper cutter head welding cutter head, and riveted joint is adopted in the connection of tool rest up and down, and willow connects or the horizontal wedging of mechanics tight fitting type.
Quantity and size to cutter head or tool rest do not have strict restriction, and certainly, the width of cutter head must can not allow saw bit matrix contact the material that is cut when cutting greater than the width of saw blade.According to user's instructions for use, saw blade size difference can be variant.Saw blade is big, and the tool rest size is relatively little and quantity is many relatively.Distance between the tool rest, in central angle θ, the general preferred 4-12 in the θ angle between tool rest and the tool rest °.In one embodiment, the saw bit matrix diameter is 1600mm, and tool rest length 35mm connects 90 tool rests altogether.In another embodiment, saw bit matrix diameter 2500mm, tool rest length is constant, and quantity is 139-141.In another embodiment, saw bit matrix diameter 4000mm, tool rest length is constant, and quantity is 224-225.Certainly, tool rest length can change fully, and diameter is big more, and it is many that the little and quantity of tool rest variable-length becomes.As for the material of tool rest, cutter head and axle sleeve and the size of axle sleeve, there is not strict restriction especially, can adopt well known materials fully, for example general 45# steel, commercially available LH-BJQ or the like; Sleeve size then decides according to the size of customer requirements saw blade, and these all are well known in the art.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment in the composite saw blade of the present invention, wherein 1 represents the composite plastic matrix, and 2 representatives are tool rest down, and 3 represent upper cutter head, and 4 represent cutter head, and 5 represent the centralized positioning ring, and on behalf of locating ring, 6 imbed body portion;
Fig. 2 is that upper and lower tool rest is numeral 2 and 3 faces, looks up and side view among Fig. 1 in the composite saw blade of the present invention, and wherein (A) (C) and (E) is tool rest down, and (B), is the schematic diagram of upper cutter head (D) and (F);
Fig. 3 is the schematic diagram of composite saw blade parts of the present invention, wherein (G) is the front view of saw bit matrix 1, (J) be the connection diagram of upper and lower tool rest 2,3 and cutter head 4, (H) be the overall sectional schematic diagram of composite saw blade, (W) being the front view of centralized positioning ring 5, (Z) is the three-dimensional front schematic view of cutter head 4.
In institute's drawings attached, same numbers is represented same parts.
Be described in further detail the present invention in conjunction with the accompanying drawings with preferred embodiment below.
Embodiment
In first embodiment, by gross weight: glass fabric is 20-35wt%, and carbon fiber is 2-10wt%, and epoxy resin is 30-60wt%, and other are conventional curing agent, filler, diluent, size etc.Concrete steps are as follows: carbon fiber and glass fabric are shaped by needed size cutting, prepares a plurality ofly, one is put into clean the mould that the back applies releasing agent earlier, invading of touching that tool uses moistened agent and is bases such as NaOH, sodium carbonate, potassium hydroxide etc.Put into built-in fitting (tool rest or following tool rest and centralized positioning ring metalworks such as (axle sleeves)) then in the precalculated position; At the mixed epoxy resin of another container for stirring, the conventional promoter diluent of fillers such as quartz sand (as expoxy propane) etc. are wipeed the mixed mould of evenly pouring into of the amine of this mixture of part and curing agent such as m-phenylene diamine (MPD) off.The operation that repeats to put into fiber and pour mixture into reaches the desired thickness of saw bit matrix, for example 8-8.5mm until thickness.If desired, can add the layer of metal net during for 3.5-4mm at thickness and support, the wire netting that sieve is made in commercially available being used for gets final product.Put into press together with mould afterwards and carry out hot-press solidifying, pressure 50-20 ton, approximately takes out the demoulding after 0.5-1.5 hour, finishing and obtain product by temperature 40-80 ℃.
In second embodiment, use macrolattice glass fabric and carbon cloth (all commercially available prod), be the mould that the mixed good epoxy resin of one deck cloth one deck is put into built-in fitting equally, until desired thickness; Hot forming cools off back demoulding finishing naturally then.
The 3rd embodiment is basic identical with first, and difference is to use the phthalic acid ester resin to replace epoxy resin and uses stainless steel wire mesh to support.Phthalic resin (commercial disignation 191) 20-40wt% wherein, isophthalic resin (code name 199) is 10-20wt%, and uses the conventional fillers and the curing agent additive of phthalic acid resinae.
The 4th embodiment is same as first embodiment substantially, and difference is to use glass fibre and carbon fiber and does not have fiber cloth.The epoxy resin of the short chopping 5-10wt% of fiberglas chopped strand 40-60wt% and carbon fiber and 20-40wt% and conventional curing agent filler additive thereof etc. are mixed, mixed simultaneously filler 10-20wt% (graphite and quartz sand respectively account for half), pour the mould that is placed with built-in fitting into, when a half thickness, put into the metallic support net, hot-press solidifying then, cooling and demolding.Also make the same material saw bit matrix without wire netting, filler is relative with fibrous material more, and effect is identical.
Use metal vertically hung scroll and polyolefin plastics such as polyethylene in the 5th embodiment, steel bar and the centralized positioning ring of 90 diameter 1-1.5mm are fixed, make the saw blade skeleton of diameter 1600mm, metal vertically hung scroll head inserts tool rest down, and following tool rest punches in advance, puts into the mould that applies releasing agent then, filler particles shaped polyethylene plastics and conventional fillers additive etc. thereof, fibrous material accounts for 50wt% greatly, hot-press solidifying then, cooling and demolding.Similarity condition uses polyvinyl chloride to replace polyethylene down, replaces the metal vertically hung scroll with wire netting, and effect is the same.
The 6th embodiment and the 4th embodiment are basic identical, and different be to use Merlon and additives thereof replace epoxy resin and additive thereof, and wherein carbon fiber is 2-7wt%.The diabase filler is about 5wt%.
The 7th embodiment is with first embodiment, and different is wherein not have the tool rest built-in fitting to have only the center built-in fitting, makes a bonding jumper in addition, and length is 1600 * π mm, and width is 10+8+10mm, thickness 1-2mm.In the bonding jumper intermediate width is the 8mm part according to 90 tool rests of branches such as length welding or tool rest down, then bonding jumper both sides width be branch cutting vee such as 10mm place and breach tip in saw bit matrix bending so that bound edge; With this bonding jumper the saw bit matrix bound edge hot repressing of the demoulding is obtained product then.
The 8th embodiment and the 7th embodiment are basic identical, difference is that bonding jumper does not weld tool rest, the bonding jumper width is 10+9+10mm, thickness be 1+2+1mm be the thick middle both sides thin and the bonding jumper intermediate width be 9 and thickness be the gold-plated hard rock layer of 2mm part, and then bound edge.
In addition, also carry out the test of various prescriptions, for example filler uses quartz sand and graphite respectively to account for half, total amount still is 10-20wt%, change the length and the ratio of glass fibre and carbon fiber then, and to change epoxy resin be other unsaturated-resin classes, all obtain good result.Also other particle plastics are tested, wherein used polypropylene, polystyrene etc., effectively same.
Above embodiment only limits the present invention absolutely not for explanation, and those skilled in the art can make various modifications fully and substitute in the present invention's spirit scope, for example add pigment and prepare coloured saw blade etc., still within the scope of the present invention.
Claims (15)
1. a composite saw blade comprises saw bit matrix, cutter head and tool rest, and wherein saw bit matrix is made up of plastics, and tool rest and matrix fuse.
2. according to the saw blade of claim 1, wherein said plastics comprise enhancing solidity hot in nature or thermoplastic.
3. according to the saw blade of claim 1, wherein said plastics comprise epoxy resin, glass fibre and carbon fibre material.
4. according to the saw blade of claim 1, wherein said plastics comprise Merlon and carbon fiber and conventional curing additive thereof.
5. according to the saw blade of claim 3 or 4, wherein said carbon fiber comprises CNT.
6. according to the saw blade of claim 3, wherein further comprise other conventional additives and/or the filler of cured epoxy resin.
7. according to the saw blade of claim 3, wherein glass fibre is 20-35wt%, and carbon fiber is 2-10wt%, and epoxy resin is 30-60wt%, and other are conventional curing agent, filler, diluent, size.
8. according to the saw blade of claim 6 or 7, wherein filler comprises diabase, quartzite, quartz sand or its mixture.
9. according to the saw blade of claim 1, wherein the tool rest of composite saw blade is by be embedded in the precalculated position in advance in mould when saw bit matrix is made in cast, with this tool rest and matrix are fused, when tool rest further comprises upper cutter head and following tool rest, only bury tool rest in advance.
10. according to the saw blade of claim 9, wherein said precalculated position is to allow the formed angle theta of each tool rest center line and saw blade center be 4-12 °.
11. according to the saw blade of claim 9, wherein cutter head is welded on the upper cutter head.
12. according to the saw blade of claim 9,1 wherein cutter head be riveted on the tool rest.
13. according to the saw blade of claim 1, wherein plastics saw blade circumferential edge is inlayed a circle metal bound edge, connects tool rest according to the precalculated position in advance in the middle of the metal bound edge outside.
14. according to the saw blade of claim 1, wherein the metal bound edge does not connect tool rest, but has plated diamond layer in advance in the middle of metal bound edge outside.
15. according to the saw blade of above-mentioned arbitrary claim, the metal vertically hung scroll is arranged in the middle of the saw bit matrix wherein, metal vertically hung scroll head connects tool rest or following tool rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121242 CN1381329A (en) | 2002-06-11 | 2002-06-11 | Composite saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121242 CN1381329A (en) | 2002-06-11 | 2002-06-11 | Composite saw blade |
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| Publication Number | Publication Date |
|---|---|
| CN1381329A true CN1381329A (en) | 2002-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02121242 Pending CN1381329A (en) | 2002-06-11 | 2002-06-11 | Composite saw blade |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992327A (en) * | 2010-12-10 | 2011-03-30 | 西南铝业（集团）有限责任公司 | Disc saw blade |
| CN102172998A (en) * | 2011-03-04 | 2011-09-07 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Steel core wire free cutting line and manufacture method thereof |
| CN102174749A (en) * | 2011-03-04 | 2011-09-07 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Free edge material cutting line with aramid core wire and preparation method thereof |
| CN102950656A (en) * | 2012-10-17 | 2013-03-06 | 南光日 | Carbon saw blade and manufacture method thereof |
| CN103433966A (en) * | 2013-08-10 | 2013-12-11 | 广东万联包装机械有限公司 | Transverse cutting machine cutter-mounting structure and mounting process thereof |
| CN103464826A (en) * | 2013-09-03 | 2013-12-25 | 无锡柯马机械有限公司 | Electric saw blade |
| CN103586537A (en) * | 2013-11-06 | 2014-02-19 | 黑旋风锯业股份有限公司 | Nonmetal-base block combined type saw web matrix |
| CN104275745A (en) * | 2013-07-11 | 2015-01-14 | 北京精准国汇技术有限公司 | Diamond composite circular saw blade |
| CN105647115A (en) * | 2015-12-10 | 2016-06-08 | 湖北鸿宇复合碳纤维科技有限公司 | Carbon fiber composite material for manufacturing scaffolds |
| CN108214938A (en) * | 2018-01-11 | 2018-06-29 | 刘林 | A kind of high speed diamond saw blade and its processing method |
| CN109302908A (en) * | 2018-11-19 | 2019-02-05 | 国网冀北电力有限公司张家口供电公司 | Insulation Gao Zhiju with turbine resin large-torque electrical motor |
-
2002
- 2002-06-11 CN CN 02121242 patent/CN1381329A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992327A (en) * | 2010-12-10 | 2011-03-30 | 西南铝业（集团）有限责任公司 | Disc saw blade |
| CN102172998A (en) * | 2011-03-04 | 2011-09-07 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Steel core wire free cutting line and manufacture method thereof |
| CN102174749A (en) * | 2011-03-04 | 2011-09-07 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Free edge material cutting line with aramid core wire and preparation method thereof |
| CN102172998B (en) * | 2011-03-04 | 2012-12-05 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Steel core wire free cutting line and manufacture method thereof |
| CN102174749B (en) * | 2011-03-04 | 2013-01-16 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Free edge material cutting line with aramid core wire and preparation method thereof |
| CN102950656A (en) * | 2012-10-17 | 2013-03-06 | 南光日 | Carbon saw blade and manufacture method thereof |
| CN104275745A (en) * | 2013-07-11 | 2015-01-14 | 北京精准国汇技术有限公司 | Diamond composite circular saw blade |
| CN103433966A (en) * | 2013-08-10 | 2013-12-11 | 广东万联包装机械有限公司 | Transverse cutting machine cutter-mounting structure and mounting process thereof |
| CN103433966B (en) * | 2013-08-10 | 2015-11-18 | 广东万联包装机械有限公司 | A kind of transverse cutting unit cutting knife mounting process |
| CN103464826A (en) * | 2013-09-03 | 2013-12-25 | 无锡柯马机械有限公司 | Electric saw blade |
| CN103586537A (en) * | 2013-11-06 | 2014-02-19 | 黑旋风锯业股份有限公司 | Nonmetal-base block combined type saw web matrix |
| CN103586537B (en) * | 2013-11-06 | 2017-02-15 | 黑旋风锯业股份有限公司 | Nonmetal-base block combined type saw web matrix |
| CN105647115A (en) * | 2015-12-10 | 2016-06-08 | 湖北鸿宇复合碳纤维科技有限公司 | Carbon fiber composite material for manufacturing scaffolds |
| CN108214938A (en) * | 2018-01-11 | 2018-06-29 | 刘林 | A kind of high speed diamond saw blade and its processing method |
| CN109302908A (en) * | 2018-11-19 | 2019-02-05 | 国网冀北电力有限公司张家口供电公司 | Insulation Gao Zhiju with turbine resin large-torque electrical motor |
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