CN102350547A - Dual-sawblade structure adaptive to dual-sawblade cutting machine - Google Patents
Dual-sawblade structure adaptive to dual-sawblade cutting machine Download PDFInfo
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- CN102350547A CN102350547A CN2011103129330A CN201110312933A CN102350547A CN 102350547 A CN102350547 A CN 102350547A CN 2011103129330 A CN2011103129330 A CN 2011103129330A CN 201110312933 A CN201110312933 A CN 201110312933A CN 102350547 A CN102350547 A CN 102350547A
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- sawblade
- saw
- saw blade
- blade
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Abstract
The invention discloses a dual-sawblade structure adaptive to a dual-sawblade cutting machine. The dual-sawblade structure comprises a disc-shaped outer sawblade and a disc-shaped inner sawblade, wherein the outer sawblade and the inner sawblade are arranged in parallel to each other and are homocentric; mounting holes connected with a drive shaft, which is used for driving the outer sawblade and the inner sawblade to rotate reversely, are formed on central axes of the outer sawblade and the inner sawblade; at least three lug bosses vertical to the inner side face of the inner sawblade are arranged on the inner side face of the inner sawblade and are arranged at positions close to teeth roots; at least two wing-shaped convex ribs vertical to the inner side face of the inner sawblade are arranged on the inner side face of the inner sawblade and at the inner side of a ring in which the lug bosses are distributed; and the lug bosses and the convex ribs are uniformly distributed around the axle center of the inner sawblade. According to the invention, the defects of the prior art are overcome, and the provided dual-sawblade structure has the advantages of good heat-radiating property and high stability, and is adaptive to the dual-sawblade cutting machine.
Description
Technical field
The invention belongs to the rotating cutting field of tool, relate to a kind of two saw-blade structures that adapt to cutter with double saw bits.
Background technology
Under the prior art, two saw blades of cutter with double saw bits generally have following two kinds of structures:
First kind of structure is that two saw blades are arranged in parallel and with one heart, two saw blades drive backward rotation through concentric shafts respectively, leans on wear-resistant gasket to guarantee certain working clearance between outer saw blade and the interior saw blade.Two saw blade shortcomings of this structure are that in the course of work of cutting machine, along with the vibration of saw blade, two saw blades are easy to generate grazing, cause broken teeth and cut material to be clipped between two saw blades; The poor stability of machine in the cutting process.
Second kind of structure is that two saw blades parallel and are provided with and with one heart, two saw blades drive backward rotation through concentric shafts respectively, between outer saw blade and the interior saw blade except leaning on wear-resistant gasket to guarantee certain working clearance; The edge of two saw blades also is provided with a circle annular convex rib.The shortcoming of this structure is, in the process of saw blade high-speed rotation, can produce a large amount of heat between two saw blades, and because annular convex rib is distributed in the circumferential of saw blade, therefore, the heat that saw blade produces in cutting process is blocked between two saw blades.Cutter with double saw bits causes problems such as saw blade distortion for a long time easily under the environment of high heat, cause the damage of saw blade.
Summary of the invention
In order to overcome the deficiency that prior art exists, the object of the present invention is to provide a kind of good heat dissipation, connect tight, the high and two saw-blade structures that adapt to cutter with double saw bits of stability.
For reaching above purpose; The invention provides a kind of structure of cutter with double saw bits; It comprises that two are arranged in parallel and concentric, discoidal outer saw blade and interior saw blade, and the axis of outer saw blade and interior saw blade is provided with and drives outer saw blade and the joining installing hole of the counter-rotational driving shaft of interior saw blade.On the medial surface of interior saw blade outward saw blade, the position of close tooth root is provided with at least three boss perpendicular to interior saw blade medial surface; On the medial surface of interior saw blade, the inboard of boss distribution place annulus is provided with at least two wing convex tendons perpendicular to interior saw blade medial surface; Boss and convex tendon evenly distribute around the axle center of interior saw blade.
Further improvement of the present invention is that the height of boss is more than or equal to the height of described wing convex tendon; The height of boss is 0 to 0.5 millimeter; Thereby guarantee outer saw blade and interior saw blade in the backward rotation process, produce minimum friction.
Further improvement of the present invention is; The two ends of described wing convex tendon are respectively inner end and outer end; Inner end is near the axle center of interior saw blade, and the outer end is away from the close sawtooth end in the axle center of interior saw blade, and the height of described outer end is more than or equal to the height of inner end.The high 0.05mm to 0.5m of height of the aspect ratio inner end of the outer end of described wing convex tendon.
Further improvement of the present invention is that the cross-sectional profiles line of described wing convex tendon is a curve.
The invention has the beneficial effects as follows:
(1) described wing convex tendon is along the radially extension of the medial surface of described interior saw blade; When the saw blade high-speed rotation; At least two described wing convex tendons can be because the rotation of the high speed of saw blade forms the effect of centrifugal turbine; With the quick priming of surrounding air, the heat that two saw blades are inner distributes fast.
(2) height of described boss is more than or equal to the height of described wing convex tendon; The height of boss is 0 to 0.5 millimeter; Thereby guarantee outer saw blade and interior saw blade in the backward rotation process, produce minimum friction.
(3) height of the outer end of wing convex tendon is more than or equal to the height of inner end.Guarantee that promptly wing convex tendon touches outer saw blade after the boss wearing and tearing; Outer saw blade and interior saw blade still can the retention wire contact frictions, thereby when guaranteeing between two saw blades effectively the working clearance, avoid producing too much frictional heat.In the process of work, do not produce the problem of touching broken teeth between two saw blades, make sawing that excellent stability arranged.
Description of drawings
Accompanying drawing 1 is the structure of a kind of cutter with double saw bits of the present invention.
Wherein: 1, outer saw blade; 2, interior saw blade; 21, the medial surface of interior saw blade; 3, boss; 4, wing convex tendon (4); 41, inner end; 42, outer end.
The specific embodiment
Set forth in detail in the face of preferred embodiment of the present invention down, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1; A kind of two saw-blade structures that adapt to cutter with double saw bits; It comprises that two are arranged in parallel and concentric, discoidal outer saw blade 1 and interior saw blade 2, and the axis of described outer saw blade 1 and interior saw blade 2 is provided with and drives described outer saw blade 1 and the joining installing hole of interior saw blade 2 counter-rotational driving shafts.On the medial surface 21 of saw blade 2 outward saw blades 1, the position of close tooth root is provided with at least three boss 3 perpendicular to interior saw blade 2 medial surfaces 21 in described; On the medial surface 21 of interior saw blade 2, the inboard of described boss 3 distribution place annulus is provided with at least two wing convex tendons 4 perpendicular to interior saw blade 2 medial surfaces 21; Boss 3 evenly distributes with the axle center of convex tendon 4 around interior saw blade.
The height of described boss 3 is more than or equal to the height of described wing convex tendon 4.The height of described boss 3 is 0 to 0.5 millimeter.Boss 3 is a stamped bumps, reduces protruding area as much as possible, and the trapezoidal convexity in optimum shape cross section not only meets the punch forming process requirement but also can play the effect of reducing friction.
Because the height of boss 3 is more than or equal to the height of described wing convex tendon 4; So boss 3 plays the supporting role of a contact between saw blade 1 and the interior saw blade 2 outside, and stops wing convex tendon 4 to touch outer saw blade 1; Can reduce sliding friction surface like this, control the working clearance between outer saw blade 1 and the interior saw blade.
The two ends of described wing convex tendon 4 are respectively inner end 41 and outer end 42, and inner end 41 is near the axle center of interior saw blade 2, and outer end 42 is away from the close sawtooth end in the axle center of interior saw blade 2, and the height of described outer end 42 is more than or equal to the height of inner end 41.
Wing convex tendon 4 is along the radially extension of the medial surface 2 of interior saw blade, and when the saw blade high-speed rotation, wing convex tendon 4 can with the quick priming of surrounding air, thereby distribute the inner heat of two saw blades because the rotation of the high speed of saw blade forms the effect of centrifugal turbine fast.
In order to make after boss 3 wearing and tearing, outer saw blade 1 and the still retention wire contact friction of interior saw blade 2 guarantee effective working clearance between two saw blades, avoid producing too much frictional heat.The two ends of wing convex tendon 4 are respectively inner end 41 and outer end 42, and inner end 41 is an end in interior saw blade 2 axle center, and outer end 42 is that the height of outer end 42 is higher than the height of inner end 41 towards an end at interior saw blade 2 edges; The high 0.05mm to 0.5mm of height of the aspect ratio inner end 41 of the outer end 42 of wing convex tendon 4.
In order to increase the wind-force intensity that produces when saw blade rotates in the present embodiment, the cross-sectional profiles line of the wing convex tendon 4 of present embodiment is set to curve, and wing convex tendon 4 can produce better wind gathering effect when rotating with saw blade.
Can find out that through above embodiment the present invention is a kind of two saw-blade structures that adapt to cutter with double saw bits.
Above embodiment only is explanation technical conceive of the present invention and characteristics; Its purpose is to allow the people that is familiar with this technology understand content of the present invention and implements; Can not limit protection scope of the present invention with this, all equivalences that spirit is done according to the present invention change or modification all is encompassed in protection scope of the present invention.
Claims (6)
1. two saw-blade structures that adapt to cutter with double saw bits; It comprises that two are arranged in parallel and concentric and concentric, discoidal outer saw blade (1) and interior saw blade (2); The axis of described outer saw blade (1) and interior saw blade (2) is provided with and drives described outer saw blade (1) and the joining installing hole of the counter-rotational driving shaft of interior saw blade (2); It is characterized in that: on the medial surface (21) of saw blade in described (2) outward saw blade (1), the position of close tooth root is provided with at least three boss (3) perpendicular to interior saw blade (2) medial surface (21); On the medial surface (21) of interior saw blade (2), the inboard of described boss (3) distribution place annulus is provided with at least two wing convex tendons (4) perpendicular to interior saw blade (2) medial surface (21); Boss (3) and convex tendon (4) evenly distribute around the axle center of interior saw blade.
2. a kind of two saw-blade structures that adapt to cutter with double saw bits according to claim 1, it is characterized in that: the height of described boss (3) is more than or equal to the height of described wing convex tendon (4).
3. according to claim 1 and 2 described a kind of two saw-blade structures that adapt to cutter with double saw bits, it is characterized in that: the height of described boss (3) is 0 to 0.5 millimeter.
4. according to the described a kind of two saw-blade structures that adapt to cutter with double saw bits of claim 1 to 3; It is characterized in that: the two ends of described wing convex tendon (4) are respectively inner end (41) and outer end (42); Inner end (41) is near the axle center of interior saw blade (2); Outer end (42) is away from the close sawtooth end in the axle center of interior saw blade (2), and the height of described outer end (42) is more than or equal to the height of inner end (41).
5. according to the described a kind of two saw-blade structures that adapt to cutter with double saw bits of claim 1 to 4, it is characterized in that: the high 0.05mm to 0.5mm of height of the aspect ratio inner end (41) of the outer end (42) of described wing convex tendon (4).
6. according to each described a kind of two saw-blade structures that adapt to cutter with double saw bits in the claim 1 to 5, it is characterized in that: the cross-sectional profiles line of described wing convex tendon (4) is a curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103129330A CN102350547A (en) | 2011-10-17 | 2011-10-17 | Dual-sawblade structure adaptive to dual-sawblade cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103129330A CN102350547A (en) | 2011-10-17 | 2011-10-17 | Dual-sawblade structure adaptive to dual-sawblade cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102350547A true CN102350547A (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103129330A Pending CN102350547A (en) | 2011-10-17 | 2011-10-17 | Dual-sawblade structure adaptive to dual-sawblade cutting machine |
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| CN (1) | CN102350547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131350A1 (en) * | 2012-03-09 | 2013-09-12 | 宁波天和电动工具有限公司 | Saw blade strcture of dual-blade saw |
| CN103480912A (en) * | 2012-06-11 | 2014-01-01 | 沈高明 | Dual metal saw blade |
| CN104625229A (en) * | 2015-02-06 | 2015-05-20 | 张家港市锐正精密工具有限公司 | Dual saw blade structure with heat dissipation function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217208A (en) * | 1982-06-07 | 1983-12-17 | Kyokuto Shokai:Kk | Drill bit |
| JP2001347419A (en) * | 2000-06-06 | 2001-12-18 | Tsune Wagner Carbide Co Ltd | Circular saw |
| US6413150B1 (en) * | 1999-05-27 | 2002-07-02 | Texas Instruments Incorporated | Dual dicing saw blade assembly and process for separating devices arrayed a substrate |
| KR100579938B1 (en) * | 2005-05-26 | 2006-05-12 | 남수산업 주식회사 | Diamond cutter equipped with radiation and reinforcement structure |
| CN101557911A (en) * | 2006-11-09 | 2009-10-14 | 双刃技术控股瑞典股份公司 | Pair of saw blades |
| CN102211230A (en) * | 2010-04-06 | 2011-10-12 | 陈重光 | Saw bit capable of bidirectionally sawing |
| CN202336633U (en) * | 2011-10-17 | 2012-07-18 | 卢庆玉 | Double-saw blade structure applicable for double-saw blade cutting machine |
-
2011
- 2011-10-17 CN CN2011103129330A patent/CN102350547A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217208A (en) * | 1982-06-07 | 1983-12-17 | Kyokuto Shokai:Kk | Drill bit |
| US6413150B1 (en) * | 1999-05-27 | 2002-07-02 | Texas Instruments Incorporated | Dual dicing saw blade assembly and process for separating devices arrayed a substrate |
| JP2001347419A (en) * | 2000-06-06 | 2001-12-18 | Tsune Wagner Carbide Co Ltd | Circular saw |
| KR100579938B1 (en) * | 2005-05-26 | 2006-05-12 | 남수산업 주식회사 | Diamond cutter equipped with radiation and reinforcement structure |
| CN101557911A (en) * | 2006-11-09 | 2009-10-14 | 双刃技术控股瑞典股份公司 | Pair of saw blades |
| CN102211230A (en) * | 2010-04-06 | 2011-10-12 | 陈重光 | Saw bit capable of bidirectionally sawing |
| CN202336633U (en) * | 2011-10-17 | 2012-07-18 | 卢庆玉 | Double-saw blade structure applicable for double-saw blade cutting machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131350A1 (en) * | 2012-03-09 | 2013-09-12 | 宁波天和电动工具有限公司 | Saw blade strcture of dual-blade saw |
| CN103480912A (en) * | 2012-06-11 | 2014-01-01 | 沈高明 | Dual metal saw blade |
| CN104625229A (en) * | 2015-02-06 | 2015-05-20 | 张家港市锐正精密工具有限公司 | Dual saw blade structure with heat dissipation function |
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Application publication date: 20120215 |