CN112589196A - Split type combined saw blade - Google Patents
Split type combined saw blade Download PDFInfo
- Publication number
- CN112589196A CN112589196A CN202011346708.4A CN202011346708A CN112589196A CN 112589196 A CN112589196 A CN 112589196A CN 202011346708 A CN202011346708 A CN 202011346708A CN 112589196 A CN112589196 A CN 112589196A
- Authority
- CN
- China
- Prior art keywords
- saw blade
- connecting piece
- circular saw
- main body
- elastic retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000013013 elastic material Substances 0.000 abstract description 2
- 230000030279 gene silencing Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/021—Types of set; Variable teeth, e.g. variable in height or gullet depth; Varying pitch; Details of gullet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/10—Circular saw blades clamped between hubs; Clamping or aligning devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a split combined saw blade which comprises a circular saw blade main body, an elastic retainer, a connecting piece and a hollow bolt fastener, wherein the circular saw blade main body is connected with the connecting piece through the elastic retainer, the connecting piece is connected with a motor driving shaft through the hollow bolt fastener, and the circular saw blade main body is formed by splicing at least two fan-shaped saw blade units. In the use, the holder is for having elastic material and making, and when taking place angular displacement between saw bit body and the connection piece, the elasticity holder can produce the effect that resets, and then, at the saw bit rotation in-process, has elastic holder and provides certain buffering for circular saw bit main part, reduces the vibrations that the saw bit operation in-process produced, has the effect of bradyseism.
Description
Technical Field
The invention relates to the technical field of saw blade transmission equipment, in particular to a split type combined saw blade.
Background
The saw blade is a general name of a sheet circular cutter for cutting solid materials and can be divided into a diamond circular saw blade, a high-speed steel circular saw blade and a hard alloy saw blade, wherein the hard alloy saw blade is mainly used for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, plastic steel and the like. The conventional hard alloy circular saw blade can generate great noise in the process of cutting stone, steel and wood, and generates great noise pollution to the surrounding environment. Because the noise of the saw blade in the using process is generated by the vibration of the saw blade in the using process, the larger the noise is, the larger the saw blade vibration of the circular saw blade in the using process is, and particularly when the natural frequency of the saw blade and the vibration frequency of the saw blade generate resonance, the generated noise is larger; in addition, when metal materials such as aluminum alloy, aluminum profile, plastic steel and the like are cut, the saw blade or the material is easily overheated due to difficult chip removal and overlarge cutting resistance, so that the service life of the circular saw blade is greatly shortened.
Aiming at the problems of vibration and noise, the Chinese patent with the patent number of CN201420824322.3 discloses an ultrathin boss hard alloy disc saw blade, which comprises a base body, a boss, saw teeth, a shaft hole, a silencing groove, a silencing line, a rubber ring, damping rubber and saw teeth; the center of the boss is provided with a shaft hole, the periphery of the boss is integrally provided with a base body, sawteeth are uniformly arranged on the outer periphery of the base body, sawteeth are fixedly welded at the front edge of the sawteeth, the upper surface and the lower surface of the base body are provided with silencing lines, two ends of the silencing lines are provided with rubber rings, damping rubber is filled in the rubber rings and the silencing lines, silencing grooves are uniformly cut on the outer periphery of the base body, and the damping rubber is filled in the; this patent reduces the noise and the resonance of saw bit through the mode that packs damping in gluey ring and amortization line, however the mode that packs damping and glues sets up and lacks and to block up gluey ring and amortization line, influences the heat dispersion of saw bit, and there is the deviation in the amortization line that above-mentioned structure set up and the vibrations direction of saw bit and can't reach best shock attenuation effect.
Disclosure of Invention
Aiming at the defects, the invention provides a split combined saw blade, which has the following specific technical scheme:
a split compound saw blade comprising:
the circular saw blade comprises at least two fan-shaped saw blade units, wherein the fan-shaped saw blade units are spliced with one another to form a complete circular saw blade main body, a protruded connecting part is arranged in the center of at least one side of the circular saw blade after splicing, the connecting part is of a cylindrical structure, and a through connecting hole is formed in the center of the connecting part of the cylindrical structure;
the elastic retainer is of an annular structure, an inner ring of the elastic retainer is sleeved with an outer ring of the connecting part, first positioning notches are uniformly distributed on the inner ring of the elastic retainer along the inner ring, and first positioning bulges are arranged on the outer ring of the connecting part corresponding to the first positioning notches;
the outer diameter of the connecting piece is smaller than that of the circular saw blade main body, the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged on one side of the circular saw blade main body, the second connecting piece is arranged on the other side of the circular saw blade main body, an accommodating cavity is formed in one side of the first connecting piece and/or the second connecting piece, the accommodating cavity is used for accommodating the elastic retainer, second positioning notches are uniformly distributed on the outer ring of the elastic retainer along the outer ring, second positioning bulges are arranged on the cavity wall of the accommodating cavity corresponding to the second positioning notches, and a through connecting hole is formed in the center of the connecting piece;
and the hollow bolt fastener is used for clamping and connecting the circular saw blade main body and the connecting piece.
The first connecting piece and the second connecting piece are the same in overall dimension, and after the circular saw blade main body is connected with the connecting pieces, the distance between the outer edge of the saw blade and the outer edge of the connecting pieces is at least 30 mm.
The elastic retainer is made of elastic rubber materials.
The elastic retainer is made of butadiene-acrylonitrile rubber.
The circular saw blade main body is fixedly connected with the connecting piece through the hollow bolt fastener, and the inner cavity of the hollow bolt is a splined hole and is used for being connected with a motor transmission shaft.
Compared with the prior art, the technical scheme adopted by the invention has the technical effects that:
1. the saw blade disclosed by the invention comprises at least two fan-shaped saw blade units, wherein the fan-shaped saw blade units are mutually spliced to form a complete circular saw blade main body, a protruded connecting part is arranged at the center of one side of the circular saw blade after splicing, the circular saw blade main body is connected with a connecting piece through an elastic retainer, the connecting piece is connected with a motor driving shaft through a hollow bolt fastener, the retainer is made of an elastic material in the using process, when the saw blade body and the connecting piece are subjected to angular displacement, the elastic retainer can generate a resetting effect, further, in the saw blade rotating process, the elastic retainer provides certain buffer for the circular saw blade main body, the vibration generated in the saw blade operating process is reduced, and the vibration buffering effect is realized, because the circular saw blade main body is spliced by the fan-shaped saw blade units, after one of the fan-shaped saw blade teeth is damaged, can be replaced without being replaced as a whole, thereby having the effect of reducing the cost of the consumable.
2. The saw blade disclosed by the invention weakens the vibration impact of the circular saw blade main body, reduces the damage of saw teeth and prolongs the service life of the saw blade in the operation process.
3. In the operation process of the saw blade disclosed by the invention, the elastic retainer provides certain buffer for the circular saw blade main body, so that the noise generated by the operation of the saw blade is reduced, and the saw blade has a better silencing effect.
Drawings
FIG. 1 is a schematic structural view of the split combined saw blade;
FIG. 2 is an exploded view of the circular saw blade body, the elastic retainer and the connecting piece;
FIG. 3 is an exploded view of the circular saw blade body, the elastic retainer and the connecting piece from another view;
FIG. 4 is a schematic structural view of the circular saw blade body;
reference numerals: 1. a circular saw blade body; 2. a first connecting piece; 3. a nut; 4. a hollow bolt; 5. an elastic retainer; 6. a second connecting sheet; 101. a connecting portion; 102. a fan-shaped saw blade unit; 201. a receiving cavity.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
As shown in fig. 1 to 3, a split type combined saw blade includes a circular saw blade main body 1, where the circular saw blade main body 1 is formed by combining at least two fan-shaped saw blade units 102, and a protruding connecting portion 101 is disposed at the center of at least one side of the circular saw blade after being spliced, the connecting portion 101 is a cylindrical structure, and a through connecting hole is disposed at the center of the cylindrical structure connecting portion 101;
the elastic retainer 5 is of an annular structure, an inner ring of the elastic retainer 5 is sleeved with an outer ring of the connecting part, first positioning notches are uniformly distributed on the inner ring of the elastic retainer 5 along the inner ring, and first positioning bulges are arranged on the outer ring of the connecting part corresponding to the first positioning notches;
the outer diameter of the connecting piece is smaller than that of the circular saw blade main body, the connecting piece comprises a first connecting piece 2 and a second connecting piece 6, the first connecting piece 2 is arranged on one side of the circular saw blade main body 1, the second connecting piece 6 is arranged on the other side of the circular saw blade main body 1, in the embodiment, one side of the first connecting piece 2 is provided with an accommodating cavity 201, the accommodating cavity 201 is internally used for accommodating the elastic retainer 5, second positioning notches are uniformly distributed on the outer ring of the elastic retainer 5 along the outer ring, second positioning bulges are arranged on the cavity wall of the accommodating cavity 201 corresponding to the second positioning notches, and a through connecting hole is formed in the center of the connecting piece;
the hollow bolt fastener is used for clamping and connecting the circular saw blade main body and the connecting piece, and the inner cavity of the hollow bolt is a splined hole and is used for being connected with a motor transmission shaft.
According to a preferable technical scheme of the invention, the first connecting piece and the second connecting piece are the same in external dimension, and after the circular saw blade main body is connected with the connecting pieces, the distance between the outer edge of the saw blade and the outer edge of the connecting pieces is at least 30 mm.
As a preferred technical solution of the present invention, the elastic retainer is made of an elastic rubber material.
As a preferable technical solution of the present invention, the elastic retainer is made of nitrile rubber.
In the using process, the saw blade disclosed by the invention comprises at least two fan-shaped saw blade units 102, the fan-shaped saw blade units 102 are spliced with each other to form a complete circular saw blade main body 1, a protruded connecting part 101 is arranged in the center of one side of the circular saw blade main body after splicing, the circular saw blade main body 1 is connected with a connecting sheet through an elastic retainer, the elastic retainer 5 is made of elastic nitrile rubber, the nitrile rubber is a material with extremely high oil resistance and high wear resistance and can adapt to the environment required by the saw blade in the working process, and the nitrile rubber is a flexible rubber body, but has small deformation degree and good recovery deformation performance. When the angular displacement takes place between connection piece 2 and circular saw bit main part 1, elasticity holder 4 can produce the effect that resets, and then, at the saw bit rotation in-process, elasticity holder 5 provides certain buffering for circular saw bit main part 1, has the bradyseism effect, reduces the vibrations that the saw bit operation in-process produced, and the noise reduction has reduced the sawtooth damage, has improved saw bit life.
In addition, since the circular saw blade body 1 is formed by combining the plurality of fan blade units 102, when the saw teeth of one of the fan blade units 102 are damaged, it can be replaced without replacing the whole body, thereby having an effect of reducing the cost of the consumable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (5)
1. A split type combination saw blade, comprising:
the circular saw blade comprises at least two fan-shaped saw blade units, wherein the fan-shaped saw blade units are spliced with one another to form a complete circular saw blade main body, a protruded connecting part is arranged in the center of at least one side of the circular saw blade after splicing, the connecting part is of a cylindrical structure, and a through connecting hole is formed in the center of the connecting part of the cylindrical structure;
the elastic retainer is of an annular structure, an inner ring of the elastic retainer is sleeved with an outer ring of the connecting part, first positioning notches are uniformly distributed on the inner ring of the elastic retainer along the inner ring, and first positioning bulges are arranged on the outer ring of the connecting part corresponding to the first positioning notches;
the outer diameter of the connecting piece is smaller than that of the circular saw blade main body, the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged on one side of the circular saw blade main body, the second connecting piece is arranged on the other side of the circular saw blade main body, an accommodating cavity is formed in one side of the first connecting piece and/or the second connecting piece, the accommodating cavity is used for accommodating the elastic retainer, second positioning notches are uniformly distributed on the outer ring of the elastic retainer along the outer ring, second positioning bulges are arranged on the cavity wall of the accommodating cavity corresponding to the second positioning notches, and a through connecting hole is formed in the center of the connecting piece;
and the hollow bolt fastener is used for clamping and connecting the circular saw blade main body and the connecting piece.
2. The split combination saw blade as claimed in claim 1, wherein the first connecting piece and the second connecting piece have the same outer dimensions, and the outer edge of the saw blade is spaced from the outer edge of the connecting piece by at least 30mm when the circular saw blade body and the connecting piece are connected.
3. The split combination saw blade of claim 1, wherein said resilient retainer is made of a resilient rubber material.
4. The split composite saw blade as claimed in claim 3, wherein the elastic holder is made of nitrile rubber.
5. The split combined saw blade as claimed in any one of claims 1 to 4, wherein the circular saw blade body and the connecting piece are fastened and connected by the hollow bolt fastener, and an inner cavity of the hollow bolt is a splined hole for connecting with a transmission shaft of a motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011346708.4A CN112589196A (en) | 2020-11-26 | 2020-11-26 | Split type combined saw blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011346708.4A CN112589196A (en) | 2020-11-26 | 2020-11-26 | Split type combined saw blade |
Publications (1)
Publication Number | Publication Date |
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CN112589196A true CN112589196A (en) | 2021-04-02 |
Family
ID=75184442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011346708.4A Withdrawn CN112589196A (en) | 2020-11-26 | 2020-11-26 | Split type combined saw blade |
Country Status (1)
Country | Link |
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CN (1) | CN112589196A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114311318A (en) * | 2021-12-10 | 2022-04-12 | 黑旋风锯业股份有限公司 | Semi-arc sintered saw blade matrix and processing technology |
-
2020
- 2020-11-26 CN CN202011346708.4A patent/CN112589196A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114311318A (en) * | 2021-12-10 | 2022-04-12 | 黑旋风锯业股份有限公司 | Semi-arc sintered saw blade matrix and processing technology |
CN114311318B (en) * | 2021-12-10 | 2024-05-14 | 黑旋风锯业股份有限公司 | Semicircular arc sintering saw blade matrix and processing technology |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210402 |