CN204565294U - A kind of noise reduction Pair of saw blades - Google Patents
A kind of noise reduction Pair of saw blades Download PDFInfo
- Publication number
- CN204565294U CN204565294U CN201520083829.2U CN201520083829U CN204565294U CN 204565294 U CN204565294 U CN 204565294U CN 201520083829 U CN201520083829 U CN 201520083829U CN 204565294 U CN204565294 U CN 204565294U
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- CN
- China
- Prior art keywords
- saw blade
- noise reduction
- side saw
- plane
- blade body
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Abstract
The utility model provides a kind of noise reduction Pair of saw blades, comprise and rotating and the contrary outer-side saw blade of direction of rotation and inner side saw blade around same axis, described outer-side saw blade is made up of outer-side saw blade body, outer-side saw blade cutter unit, and described inner side saw blade is made up of inner side blade body, inner side saw blade cutter unit; The main cut surface of outer-side saw blade that described outer-side saw blade cutter unit has outer or line, described inner side saw blade cutter unit has the main cut surface of inner side saw blade or the line of outer; Described outer-side saw blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body; Described inner side blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body.By arranging noise reduction piece in outside blade body and inner side blade body, when saw blade produces friction, the cutter unit that noise reduction piece has saw blade produces resonance, thus reduces the noise of saw blade.
Description
Technical field
The utility model relates to a kind of Pair of saw blades, particularly, relates to a kind of Pair of saw blades with decrease of noise functions.
Background technology
Two saw-blade structure is the concentric output shafts by drive transmission, and drive outer-side saw blade and inner side saw blade, one rotates in the direction of the clock simultaneously, selects, thus produces contrary cutting movement, realize steady fast shut-off cut material body for one by counter clockwise direction.But, two saw blades under prior art, especially two saw blades of the hard rigid material such as cutting metal are needed, it is violent owing to wearing and tearing, bring a large amount of noises and heat thereupon, bring noise pollution to around working environment, and under the condition of high temperature, saw blade is easy to distortion, thus causes decline the service life of whole saw blade.
Utility model content
The utility model, in order to solve the above-mentioned defect and deficiency that exist in prior art, provides a kind of noise reduction Pair of saw blades, effectively reduces the high noisy produced in cutting process.
For solving the problems of the technologies described above, the utility model provides a kind of noise reduction Pair of saw blades, comprise and rotating and the contrary outer-side saw blade of direction of rotation and inner side saw blade around same axis, described outer-side saw blade is made up of outer-side saw blade body, outer-side saw blade cutter unit, and described inner side saw blade is made up of inner side blade body, inner side saw blade cutter unit; The main cut surface of outer-side saw blade that described outer-side saw blade cutter unit has outer or line, described inner side saw blade cutter unit has the main cut surface of inner side saw blade or the line of outer; Described outer-side saw blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body; Described inner side blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body.
Preferably, the noise reduction piece at least 6 on described outer-side saw blade body, is evenly distributed on described outer-side saw blade body; Noise reduction piece at least 6 in the blade body of described inner side, is evenly distributed in the blade body of described inner side.
Preferably, described outer-side saw blade cutter unit has the outer-side saw blade inclined-plane be connected with the main cut surface of described outer-side saw blade or line, described outer-side saw blade inclined-plane and corner plane adopt direct wedge angle to be connected, described corner plane and described axis being parallel, described inner side saw blade cutter unit has the saw blade inclined-plane, inner side be connected with the main cut surface of described inner side saw blade or line, saw blade inclined-plane, described inner side adopts direct wedge angle to be connected with secondary cut surface, and described time cut surface is parallel with described corner plane.
Preferably, the angle theta of described outer-side saw blade inclined-plane and described corner plane
1for acute angle, the angle theta of saw blade inclined-plane, described inner side and described cut surface
2for acute angle.
Preferably, the angle theta of described outer-side saw blade inclined-plane and described corner plane
1for obtuse angle, the angle theta of saw blade inclined-plane, described inner side and described cut surface
2for obtuse angle.
Preferably, described angle theta
1and θ
2equal.
Preferably, described angle theta
1and θ
2it is 60 degree.
Preferably, described angle theta
1and θ
2it is 120 degree.
The Advantageous Effects that the utility model reaches:
The utility model by arranging noise reduction piece in outside blade body and inner side blade body, and when saw blade produces friction, the cutter unit that noise reduction piece has saw blade produces resonance, thus reduces the noise of saw blade.In addition, the utility model have reasonable in design, structure is simple, cost of manufacture is low, noise is little, service life waits so long function.
Accompanying drawing explanation
Fig. 1 the utility model structural representation;
Fig. 2 the utility model looks up structural representation;
The left TV structure schematic diagram of Fig. 3 the utility model specific embodiment;
The left TV structure schematic diagram of another specific embodiment of Fig. 4 the utility model.
Detailed description of the invention
In order to the technique effect that auditor can better understand technical characteristic of the present utility model, technology contents and reach, now accompanying drawing of the present utility model is described in detail in conjunction with the embodiments.But shown accompanying drawing, just in order to better illustrate the technical solution of the utility model; be not actual proportions of the present utility model and best configuration; so, ask auditor not with regard to ratio and the configuration of accompanying drawing, limit claims of the present utility model.
Below in conjunction with drawings and Examples, the utility model patent is further illustrated.
As Figure 1-4, the utility model provides a kind of noise reduction Pair of saw blades, comprise and rotating and the contrary outer-side saw blade 1 of direction of rotation and inner side saw blade 2 around same axis, described outer-side saw blade 1 is made up of outer-side saw blade body 11, outer-side saw blade cutter unit 2, and described inner side saw blade 2 is made up of inner side blade body 21, inner side saw blade cutter unit 22; The main cut surface of outer-side saw blade that described outer-side saw blade cutter unit 12 has outer or line 121, described inner side saw blade cutter unit 22 has the main cut surface of inner side saw blade or the line 221 of outer; Described outer-side saw blade body is welded with noise reduction piece 3, and described noise reduction piece 3 two ends are upturned, with described outer-side saw blade body 11 one-tenth 20 degree of angles; Described inner side blade body 21 is welded with noise reduction piece 3, and described noise reduction piece 3 two ends are upturned, with described inner side blade body 21 one-tenth 20 degree of angles.Noise reduction piece on described outer-side saw blade body 11 3 at least 6, is evenly distributed on described outer-side saw blade body 11; Noise reduction piece in described inner side blade body 21 3 at least 6, is evenly distributed in described inner side blade body 21.
By arranging noise reduction piece 3 in outside blade body 11 and inner side blade body 21, when saw blade produces friction, the cutter unit that noise reduction piece 3 has saw blade produces resonance, thus reduces the noise of saw blade.
Preferably, described outer-side saw blade cutter unit 12 have to be connected with the main cut surface of described outer-side saw blade or line 121 outer-side saw blade inclined-plane 122, described outer-side saw blade inclined-plane 122 and corner plane 123 adopt direct wedge angle to be connected, described corner plane 123 and described axis being parallel, described inner side saw blade cutter unit 22 has the saw blade inclined-plane, inner side 222 be connected with the main cut surface of described inner side saw blade or line 221, saw blade inclined-plane, described inner side 222 adopts direct wedge angle to be connected with secondary cut surface 223, and described time cut surface 223 is parallel with described corner plane 123.
During use, outer-side saw blade 1 and inner side saw blade 2 rotate by contrary direction simultaneously, outer-side saw blade cutter unit 12 and inner side saw blade cutter unit 22 directly cut cut object, the fragment cut down falls into the space between outer-side saw blade inclined-plane 122 and saw blade inclined-plane, inner side 222, due to the existence on outer-side saw blade inclined-plane 122 and saw blade inclined-plane, inner side 222, chip is blocked and rests on inclined-plane, then is thrown out of by the effect of centrifugal force.Even if having part chip through the space outer-side saw blade inclined-plane 122 and saw blade inclined-plane, inner side 222, when through angle theta
1and θ
2time, arrive time cut surface 223, chip is effectively cut into dust between secondary cut surface 223 and corner plane 123, and is thrown out of saw blade under the influence of centrifugal force.
As a specific embodiment of the present utility model, the angle theta of described outer-side saw blade inclined-plane 122 and described corner plane 123
1for acute angle, the angle theta of saw blade inclined-plane, described inner side 222 and described cut surface 223
2for acute angle.And described angle theta
1and θ
2equal, be 60 degree.
As another specific embodiment of the present utility model, the angle theta of described outer-side saw blade inclined-plane 122 and described corner plane 123
1for obtuse angle, the angle theta of saw blade inclined-plane, described inner side 222 and described cut surface 223
2for obtuse angle.And described angle theta
1and θ
2equal, be 120 degree.
Below disclose the utility model with preferably embodiment, so itself and be not used to limit the utility model, allly take equivalent replacement or technical scheme that the scheme of equivalent transformation obtains, all drop in protection domain of the present utility model.
Claims (9)
1. a noise reduction Pair of saw blades, comprise and rotating and the contrary outer-side saw blade of direction of rotation and inner side saw blade around same axis, it is characterized in that: described outer-side saw blade is made up of outer-side saw blade body, outer-side saw blade cutter unit, described inner side saw blade is made up of inner side blade body, inner side saw blade cutter unit; The main cut surface of outer-side saw blade that described outer-side saw blade cutter unit has outer or line, described inner side saw blade cutter unit has the main cut surface of inner side saw blade or the line of outer; Described outer-side saw blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body; Described inner side blade body is welded with noise reduction piece, and described noise reduction piece two ends are upturned, and become 20 degree of angles with described outer-side saw blade body.
2. noise reduction Pair of saw blades according to claim 1, is characterized in that: the noise reduction piece at least 6 on described outer-side saw blade body, is evenly distributed on described outer-side saw blade body; Noise reduction piece at least 6 in the blade body of described inner side, is evenly distributed in the blade body of described inner side.
3. noise reduction Pair of saw blades according to claim 1, it is characterized in that: described outer-side saw blade cutter unit has the outer-side saw blade inclined-plane be connected with the main cut surface of described outer-side saw blade or line, described outer-side saw blade inclined-plane and corner plane adopt direct wedge angle to be connected, described corner plane and described axis being parallel, described inner side saw blade cutter unit has the saw blade inclined-plane, inner side be connected with the main cut surface of described inner side saw blade or line, saw blade inclined-plane, described inner side adopts direct wedge angle to be connected with secondary cut surface, and described time cut surface is parallel with described corner plane.
4. noise reduction Pair of saw blades according to claim 3, is characterized in that: the angle theta of described outer-side saw blade inclined-plane and described corner plane
1for acute angle, the angle theta of saw blade inclined-plane, described inner side and described cut surface
2for acute angle.
5. noise reduction Pair of saw blades according to claim 3, is characterized in that: the angle theta of described outer-side saw blade inclined-plane and described corner plane
1for obtuse angle, the angle theta of saw blade inclined-plane, described inner side and described cut surface
2for obtuse angle.
6. noise reduction Pair of saw blades according to claim 4, is characterized in that: described angle theta
1and θ
2equal.
7. noise reduction Pair of saw blades according to claim 6, is characterized in that: described angle theta
1and θ
2it is 60 degree.
8. noise reduction Pair of saw blades according to claim 5, is characterized in that: described angle theta
1and θ
2equal.
9. noise reduction Pair of saw blades according to claim 8, is characterized in that: described angle theta
1and θ
2it is 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083829.2U CN204565294U (en) | 2015-02-06 | 2015-02-06 | A kind of noise reduction Pair of saw blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083829.2U CN204565294U (en) | 2015-02-06 | 2015-02-06 | A kind of noise reduction Pair of saw blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204565294U true CN204565294U (en) | 2015-08-19 |
Family
ID=53857986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083829.2U Expired - Fee Related CN204565294U (en) | 2015-02-06 | 2015-02-06 | A kind of noise reduction Pair of saw blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204565294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668661A (en) * | 2015-02-06 | 2015-06-03 | 张家港市锐正精密工具有限公司 | Noise-reducing twin saw disk |
-
2015
- 2015-02-06 CN CN201520083829.2U patent/CN204565294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668661A (en) * | 2015-02-06 | 2015-06-03 | 张家港市锐正精密工具有限公司 | Noise-reducing twin saw disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160206 |