CN203438310U - Plank cutting saw with narrow saw bite - Google Patents
Plank cutting saw with narrow saw bite Download PDFInfo
- Publication number
- CN203438310U CN203438310U CN201320244777.3U CN201320244777U CN203438310U CN 203438310 U CN203438310 U CN 203438310U CN 201320244777 U CN201320244777 U CN 201320244777U CN 203438310 U CN203438310 U CN 203438310U
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- Prior art keywords
- saw
- mandrel
- saw blade
- narrow
- blade
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- 238000005520 cutting process Methods 0.000 title claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000012809 cooling fluid Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000763859 Dyckia brevifolia Species 0.000 description 68
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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Abstract
The utility model relates to machinery equipment, namely a plank cutting saw with a narrow saw bite. The plank cutting saw comprises a saw shaft (3) and a disc-shaped saw blade (2) arranged on the saw shaft (3). The plank cutting saw with the narrow saw bite is characterized in that the saw shaft (3) is tubular; a shaft hole (7) with two open ends are arranged in the tubular saw shaft (3); and one end of the shaft hole (7) and/or the inner of the shaft hole (7) is provided with whirlwind blades (4). The beneficial effects of the plank cutting saw with narrow saw bite are that the whirlwind blades rotate with the saw shaft and form high-speed airflow, so heat of the saw blade is taken away, thereby preventing high temperature affecting the saw blade and avoiding reducing strength; and the saw blade can be thinner and the saw bite can be narrower, so utilization rate of the plank can be obviously improved.
Description
Technical field
The utility model relates to a kind of plant equipment, i.e. a kind of narrow saw kerf plank cast-cutting saw.
Background technology
Bolt is cut into multi-disc plank, need to adopt plank cast-cutting saw.Existing plank cast-cutting saw adopts disc saw blade more, and High Rotation Speed under driven by motor carries out cutting operation.In order to increase work efficiency, often multi-disc circular saw bit is connected on a mandrel, once can cut out multi-disc plank.The process of saw blade cutting timber is that the wood powder at saw kerf place is broken into powder, and obviously, the utilization rate of the narrower timber of saw kerf is higher, and resulting plank is more.Filling-in board with core-board is cut into example, and the thickness of filling-in board is 11-14mm, and the thickness of saw blade or saw kerf need be between 2.8-3mm, and the timber of saw kerf consumption accounts for 18-25% of total timber.And the width of saw kerf is to be determined by the thickness of saw blade, therefore, we wish that saw blade gets over Bao Yuehao., because saw blade must have enough intensity, can not be too thin, when particularly saw blade cuts timber, can produce high temperature, reduce the intensity of saw blade, in order to resist high temperature deformation, saw blade will increase a part of thickness on the basis of normal temperature strength.For this reason, people wish that cast-cutting saw has good heat dispersion, so that the thickness of saw blade drops to is minimum., saw blade cuts in timber the inside, and has wood chip to surround, and heat radiation difficulty is very large.The cast-cutting saw of particularly contacting, heat dispersion is poorer.In addition timber and plank all can not get wet, and more can not be stained with oil, can not directly to saw blade, adopt cooling fluid, thereby saw blade cooling becomes a difficult problem.
Summary of the invention
The purpose of this utility model is to provide a kind of perfect heat-dissipating, and saw blade is thinner, and during cutting, saw kerf is narrower, the higher narrow saw kerf plank cast-cutting saw of utilization rate of timber.
Above-mentioned purpose is realized by following technical scheme: develop a kind of narrow saw kerf plank cast-cutting saw, comprise mandrel and be arranged on the disc saw blade on mandrel, be characterized in: said mandrel in a tubular form, inside has the axis hole of both ends open, in one end of axis hole or axis hole, whirlwind sheet is housed.
Said whirlwind sheet is the screw that is fixed on mandrel one end, and the blade of screw has a plurality of, is fixed on one end of mandrel and relative with the port of axis hole.
Said whirlwind sheet is a blade that is fixed on mandrel one end, and the surface of blade and the axis of mandrel have an angle.
Said whirlwind sheet is provided in a side of the flight in mandrel axis hole.
Said whirlwind sheet is swirl plate.
Said mandrel is provided with the inner, ，Feng hole, wind hole in mandrel axis hole, and outer end is relative with the saw blade on mandrel.
Thick 2-the 2.6mm of said saw blade.
Said saw blade middle part is provided with boss, and boss is thick >=2mm.
One end of said mandrel is provided with refrigeration sieve, and refrigeration sieve has the pipeline of branched circulation cooling fluid to form screen cloth face, and screen cloth face is relative with whirlwind sheet, and refrigeration sieve two ends communicate with the circulation pipe for coolant flow.
The beneficial effects of the utility model are: whirlwind sheet forms high velocity air in rotating with mandrel, takes away the heat of saw blade, and saw blade is avoided temperatures involved, thereby the requirement of strength of saw blade is lower, saw blade can be thinner, and the saw kerf of cutting is narrower, and the utilization rate of timber significantly improves.
Accompanying drawing explanation
Fig. 1 is the front view of the first embodiment;
Fig. 2 is the enlarged front view of the parts saw blade assembly of the first embodiment;
Fig. 3 is the enlarged left view of the parts saw blade assembly of the first embodiment;
Fig. 4 is the enlarged front view of the parts screw of the first embodiment;
Fig. 5 is the enlarged left view of the parts screw of the first embodiment;
Fig. 6 is the enlarged front view of the parts saw blade assembly of the second embodiment;
Fig. 7 is the enlarged left view of the parts saw blade assembly of the second embodiment;
Fig. 8 is the enlarged front view of the parts saw blade assembly of the third embodiment;
Fig. 9 is the enlarged left view of the parts saw blade assembly of the third embodiment;
Figure 10 is the enlarged front view of the parts saw blade assembly of the 4th kind of embodiment;
Figure 11 is the enlarged left view of the parts saw blade assembly of the 4th kind of embodiment;
Figure 12 is the enlarged front view of the parts saw blade of the 5th kind of embodiment;
Figure 13 is the enlarged left view of the parts saw blade of the 5th kind of embodiment;
Figure 14 is the enlarged front view of the parts saw blade assembly of the 5th kind of embodiment;
Figure 15 is the enlarged front view of the parts saw blade assembly of the 6th kind of embodiment.
Visible in figure: frame 1, saw blade 2, mandrel 3, whirlwind sheet 4, chip removal mouth 5, timber 6, axis hole 7, snap ring 8, drive 9, screw 10, blade 11, flight 12, swirl plate 13, wind hole 14, boss 15, circulation pipe 16, refrigeration sieve 17.
The specific embodiment
The total design of the utility model is, whirlwind sheet is installed on mandrel, drives air motion when mandrel rotates, and eliminates the fricative heat of saw blade, thereby reduces the thickness of saw blade and the width of saw kerf, improves timber utilization rate.Around this design, introduce six kinds of embodiment below.
The first embodiment: Fig. 1 has introduced a kind of narrow saw kerf plank cast-cutting saw, mainly contains board 1, saw blade 2, mandrel 3 and power set etc.Visible in conjunction with Fig. 2 Fig. 3, saw blade 2 is disc, uniform many sawtooth around, and saw blade 2 has a plurality of, is connected on mandrel 3, has snap ring 8 to support between saw blade 2, and mandrel 3 one end are provided with drive 9.During work, driven by motor saw blade 2 rotates and cutting timber 6, and sawdust is discharged from chip removal mouth 5.Be characterized in: mandrel 3 in a tubular form, inside has axis hole 7 that axis hole 7 both ends opens are installed a whirlwind sheet 4 in one end of axis hole.The form of whirlwind sheet 4 can have multiple, and what Fig. 4 Fig. 5 exemplified is a screw 10, by a little axle, is fixed on axis hole one end.The blade of screw 10 has a plurality of, and presented here have three.
Certainly, whirlwind sheet 4 both can be contained in one end of mandrel 3, also can be contained in the two ends of mandrel 3, and but, while being contained in two ends, the airflow direction that preferably makes whirlwind sheet 4 stir is consistent.
During work, screw 10 is with mandrel 3 high speed rotating, and screw 10 is with moving air flow flow at high speed immediately, and main air-flow all passes through axis hole 7, the fricative heat of saw blade 2 can be taken away, and prevents the too fast intensification of saw blade 2.Like this, the requirement of strength of saw blade 2 will significantly reduce, and the thickness of saw blade 2 just can reduce.The cutting operation that cuts wide 50-52mm, thick 11.5mm, connects 10 saw blades simultaneously, once cuts 11 battens of take is example, 5000-6000 revs/min of saw blade rotating speeds, the thickness of saw blade is between 2-2.6mm, compare with original saw kerf width 3mm, saw kerf consumption reduces by 3.1%-7.9%, and stock utilization has improved 3.1%-7.9%.Obviously, this is a very considerable numeral.
The second embodiment: as shown in Fig. 6 Fig. 7, one end of mandrel 3 is also provided with whirlwind sheet 4, whirlwind sheet 4 is microphylls 11, tilt to be fixed on axis hole 7 ports, when mandrel 3 High Rotation Speed, this small-sized blade 11 also can stir air-flow flow at high speed, reaches the object of cooling.Certainly, this blade 11 also can be located at two ends or the axis hole the inside of mandrel, can play the effect that promotes air-flow.
The third embodiment: as shown in Fig. 8 Fig. 9, the whirlwind sheet 4 on mandrel 3 is spiral plates 12 of installing along the inwall of axis hole 7, and when mandrel 3 High Rotation Speed, spiral plate 12 also can stir air-flow flow at high speed, reaches the object of cooling.
The 4th kind of embodiment: as shown in Figure 10 Figure 11, the whirlwind sheet 4 on mandrel 3 is a plurality of swirl plates 13 on installation axle hole 7 inwalls.Swirl plate 13 has a plurality of curved surface buckets, the installation of staggering successively, and when mandrel 3 High Rotation Speed, swirl plate 13 also can stir air-flow flow at high speed, reaches the object of cooling.
In addition, on shaft hole inner wall, also have the outer end in 14，Feng hole, a plurality of wind hole 14 through the snap ring 8 of axial wall and outside, directly relative with the root of saw blade.During work, air-flow can pass through wind hole 14, directly impacts saw blade 2, cooling better effects if.
The 5th kind of embodiment: as shown in Figure 12 Figure 13, the middle part of saw blade 2, is provided with boss 15 around installing hole, the thickness of boss 15 should 2mm and more than.As shown in figure 14, multi-disc saw blade 2 is connected on mandrel 3 its mounting means, between adjacent saw blade 2, by snap ring 8, supplemented, certainly, and owing to there being boss 15, the corresponding minimizing of thickness of snap ring 8.In the situation that conditions permit is put forward in processing, the thickness of boss 15 preferably equals half of cut batten thickness, and during installation, the boss 15 of adjacent saw blade 2 is relative, the snap ring 8 between just can omitting.
The effect of this saw blade 2 with boss 15 is the intensity that has strengthened saw blade 2.Found through experiments, during saw blade 2 work, the top directly contacting with timber 6, although be the root that produces heat, its temperature is far below the root of saw blade.To be that the heat that produces of cutting part is many taken away by timber 6 its reason, and the heat that simultaneously passes to saw blade root is difficult to scatter, thereby saw blade is first in the root deliquescing that reddens.Although the snap ring 8 of saw blade root has the effect of strengthening saw blade root intensity, is subject to the restriction of its machining accuracy and deformation velocity, snap ring 8 forms side direction cutting to the root of saw blade 2 possibly.If adopt boss 15, with saw blade 2 be an integral body, there is not the cutting problem to blade body, both improved the heat resistance of saw blade root, increased again the intensity of saw blade, for the attenuation of saw blade top provides condition.
The 6th kind of embodiment: as shown in figure 15, it is consistent with embodiment above that the end of this mandrel 3 is also provided with whirlwind sheet 4 ，Qi mechanisms.Difference is: near one end of mandrel 3, be provided with a cooling sieve 17, the form of cooling sieve 17 can have multiple, what in figure, represent is the screen casing of branched setting, outside can be set with a plurality of loose temperature sheets, and cooling sieve 17 two communicate with the circulation pipe 16 that cooling fluid is housed, and form a closed circuit, also can be provided with circulating pump, strengthen the flowing pressure of cooling fluid.Screen casing preferably adopts the metal that heat conductivility is stronger to make, and outwards transmits low temperature.When mandrel 3 rotates, near air whirlwind sheet 4 can pull, through supercooling sieve 17, forms cold airflow, then squeezes into mandrel 3, and cooling effect significantly improves.
Claims (9)
1. one kind narrow saw kerf plank cast-cutting saw, comprise mandrel (3) and be arranged on the disc saw blade (2) on mandrel (3), it is characterized in that: said mandrel (3) in a tubular form, inside has the axis hole (7) of both ends open, and whirlwind sheet (4) is housed in one end of axis hole (7) or axis hole.
2. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: said whirlwind sheet (4) is screw (10), and the blade (11) of screw (10) has a plurality of, is fixed on one end of mandrel (3) and relative with the port of axis hole (7).
3. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: said whirlwind sheet (4) is a blade (11) that is fixed on mandrel (3) one end, and the axis of the surface of blade (11) and mandrel (3) has an angle.
4. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: said whirlwind sheet (4) is provided in a side of the interior flight (12) of axis hole (7) of mandrel (3).
5. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: said whirlwind sheet (4) is the swirl plate (13) consisting of a plurality of curved surface buckets.
6. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: said mandrel (3) is provided with wind hole (14), and wind hole (14) are inner in the axis hole (7) of mandrel (3), and outer end is relative with the saw blade (2) on mandrel (3).
7. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: the thick 2-2.6mm of said saw blade (2).
8. narrow saw kerf plank cast-cutting saw according to claim 1, is characterized in that: the middle part of said saw blade (2) is provided with boss (15), boss (15) is thick >=and 2mm.
9. narrow saw kerf plank cast-cutting saw according to claim 1, it is characterized in that: one end of said mandrel (3) is provided with refrigeration sieve (17), refrigeration sieve (17) has the pipeline of branched circulation cooling fluid, form screen cloth face, screen cloth face is relative with whirlwind sheet (4), and refrigeration sieve (17) two ends communicate with the circulation pipe (16) for coolant flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320244777.3U CN203438310U (en) | 2013-05-08 | 2013-05-08 | Plank cutting saw with narrow saw bite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320244777.3U CN203438310U (en) | 2013-05-08 | 2013-05-08 | Plank cutting saw with narrow saw bite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438310U true CN203438310U (en) | 2014-02-19 |
Family
ID=50089384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320244777.3U Expired - Lifetime CN203438310U (en) | 2013-05-08 | 2013-05-08 | Plank cutting saw with narrow saw bite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231419A (en) * | 2013-05-08 | 2013-08-07 | 通辽市锦秀木业有限公司 | Board dicing saw with narrow curf |
-
2013
- 2013-05-08 CN CN201320244777.3U patent/CN203438310U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231419A (en) * | 2013-05-08 | 2013-08-07 | 通辽市锦秀木业有限公司 | Board dicing saw with narrow curf |
| CN103231419B (en) * | 2013-05-08 | 2015-07-01 | 通辽市锦秀木业有限公司 | Board dicing saw with narrow curf |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |