CN107442647A - A kind of circular saw-blade tension device - Google Patents
A kind of circular saw-blade tension device Download PDFInfo
- Publication number
- CN107442647A CN107442647A CN201710756849.5A CN201710756849A CN107442647A CN 107442647 A CN107442647 A CN 107442647A CN 201710756849 A CN201710756849 A CN 201710756849A CN 107442647 A CN107442647 A CN 107442647A
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- pressing element
- pressure head
- portable
- sphere pressure
- saw blade
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- 241000763859 Dyckia brevifolia Species 0.000 title claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 77
- 239000011159 matrix material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The present invention provides a kind of circular saw-blade tension device, including：Frame (1), power output cylinder (2), portable pressing element (3), fixed pressing element (4) and base (5)；The frame (1) is fixedly installed on the base (5), described power output cylinder (2) one end is arranged in the frame (1), and described power output cylinder (2) other end is fixedly installed portable pressing element (3)；The fixed pressing element (4) is arranged on the base (5) and corresponding with the portable pressing element (3)；Wherein, quantity identical sphere pressure head (6) is provided with the portable pressing element (3) and the fixed pressing element (4), and the sphere pressure head (6) on the portable pressing element (3) is corresponding with the sphere pressure head (6) on the fixed pressing element (4).The efficient tensioned of saw blade can be realized, saw blade steady quality, is unlikely to deform, the residual stress field of inside generation is reasonable, and dynamic stability significantly improves.
Description
Technical field
The present invention relates to saw blade manufacturing process technology field, more particularly to a kind of circular saw-blade tension device.
Background technology
Saw blade is most widely used metal knife, has efficiency high, using simple, easy to maintenance, mobile facility etc.
Advantage.For saw blade during cutting, outer rim causes saw blade very because temperature rise can produce bad circumferential compressive force
Small transverse direction will produce buckling distortion under disturbing and unstability, initiation sawing precision and machined surface quality reduce, swage set loses
Phenomena such as increase, cutting heating are further exacerbated by, saw life shortens.It is that saw blade is fitted for this method generally used
Processing is opened, i.e., by means mechanically or physically, saw blade regional area is produced a certain degree of plastic deformation, and then in saw blade
Inside introduces the prestressing force field that numerical values recited is appropriate, is reasonably distributed, with compensate saw blade in working angles it is caused unfavorable
Circumferential compressive force, so as to reach the purpose for improving saw blade stability and sawing quality.
Tensioned is the important process link during saw blade is manufactured, and directly determines the performance quality of saw blade.
The tensity disposal method of existing saw blade mainly has hammering and roll-in.When hammering tensioned, hammer force, hammer point are difficult to accurately control, from
Dynamicization degree is low, repeated and poor controllability, low production efficiency, saw blade quality are unstable；During roll tensioning, the pre- of saw blade should
The field of force is unsatisfactory, and the same roll-in band of roll-in repeatedly, can substantially reduce the strength and stiffness of saw blade.
The content of the invention
The embodiment of the present invention provides a kind of circular saw-blade tension device, to solve the tensioned effect of saw blade in the prior art
The problem of poor.
The embodiment of the present invention provides a kind of circular saw-blade tension device, including：Frame 1, power output cylinder 2, portable pressing element 3,
Fixed pressing element 4 and base 5；The frame 1 is fixedly installed on the base 5, and described power output cylinder 2 one end is arranged at described
In frame 1, the power output other end of cylinder 2 is fixedly installed portable pressing element 3；The fixed pressing element 4 is arranged at the bottom
It is on seat 5 and corresponding with the portable pressing element 3；Wherein, in the portable pressing element 3 with being respectively provided with the fixed pressing element 4
There is quantity identical sphere pressure head 6, and on the sphere pressure head 6 on the portable pressing element 3 and the fixed pressing element 4
The correspondence of sphere pressure head 6.
In a possible embodiment, the position of the sphere pressure head 6 is entered according to the overall diameter R and interior diameter r of saw blade
Row is set；Wherein, R >=100mm, r >=15mm.
In a possible embodiment, the sphere pressure head 6 is according to the portable pressing element 3 or the fixed pressing element 4
Axle center annular set.
In a possible embodiment, the minimum diameter that the annular is set is：R1=r+55mm.
In a possible embodiment, the maximum gauge that the annular is set is：R2=R-20mm.
In a possible embodiment, the number of rings M values that the annular of sphere pressure head 6 is set are：
In a possible embodiment, as M >=3, the number of rings M values are arranged to fixed value M=3.
In a possible embodiment, the interannular that the annular of sphere pressure head 6 is set is away from d：
In a possible embodiment, diameter and the saw blade of the portable pressing element 3 and the fixed pressing element 4
Overall diameter it is consistent.
In a possible embodiment, the portable pressing element 3 is threadably secured that to be arranged at power output cylinder 2 another
End.
Circular saw-blade tension device provided in an embodiment of the present invention, can realize the efficient tensioned of saw blade, and annular saw tablet quality is steady
It is fixed, it is unlikely to deform, the residual stress field of inside generation is reasonable, and dynamic stability significantly improves.
Brief description of the drawings
Fig. 1 is a kind of structural representation of circular saw-blade tension device provided in an embodiment of the present invention；
Fig. 2 is the structural representation of portable pressing element or fixed pressing element in the embodiment of the present invention；
Fig. 3 is the state diagram that movable type pressing element of the embodiment of the present invention is pressed downward；
Fig. 4 is a kind of schematic diagram of sphere indenter size provided in an embodiment of the present invention；
Fig. 5 is sphere pressure head distribution schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the tangential tensioned stress envelope of saw blade provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In drawings and examples, the technical scheme in the embodiment of the present invention is explicitly described.
Fig. 1 is a kind of structural representation of circular saw-blade tension device provided in an embodiment of the present invention, as shown in figure 1, the dress
Put and specifically include：
Frame 1, power output cylinder 2, portable pressing element 3, fixed pressing element 4 and base 5；The frame 1 is fixedly installed on institute
State on base 5, described power output cylinder 2 one end is arranged in the frame 1, and the power output other end of cylinder 2 is fixedly installed shifting
Dynamic formula pressing element 3；The fixed pressing element 4 is arranged on the base 5 and corresponding with the portable pressing element 3；Wherein, described
Quantity identical sphere pressure head 6 is provided with portable pressing element 3 and the fixed pressing element 4, and on the portable pressing element 3
The sphere pressure head 6 it is corresponding with the sphere pressure head 6 on the fixed pressing element 4.
Specifically, sphere pressure head 6 is multiple, can be according to actual conditions to N if the number of sphere pressure head 6 is N, N=16 etc.
Numerical value set, on the other hand, the present embodiment is not especially limited.
Circular saw-blade tension device provided in an embodiment of the present invention, can realize the efficient tensioned of saw blade, and annular saw tablet quality is steady
It is fixed, it is unlikely to deform, the residual stress field of inside generation is reasonable, and dynamic stability significantly improves.
It should be noted that reference picture 2, the structure of the pressing element 4 of movable type of embodiment of the present invention pressing element 3 or fixed is shown
Schematic diagram, the pressing element include：
The pressing element matrix 8 of cylinder, the sphere pressure head 6 on the surface of pressing element matrix 8 is arranged at, and is arranged at pressing element matrix 8
The installation axle 7 of center.
Reference picture 3, show that saw blade of the embodiment of the present invention 9 is on fixed pressing element 4, portable pressing element 3 is pressed downward
State diagram, saw blade 9 and fixed pressing element 4 is are coaxially disposed, i.e. installation of the inner hole sleeve of saw blade 9 in fixed pressing element 4
On axle 7, and then portable pressing element 3 exports cylinder 2 by power and moved downward to the progress tensioned of saw blade 9.
It should be noted that power output in the present embodiment cylinder 2 can hydraulic servo control system, the accurate power output that controls
Size, the power output that can also export cylinder 2 to power otherwise are controlled, this present embodiment are not especially limited.
In the present embodiment, portable pressing element 3 and fixed pressing element 4 are substantially identical pressing element, and difference is movable type
Pressing element 3 can export cylinder 2 according to power and move up and down, and portable pressing element 3 is fixedly installed on base 5.
Alternatively, the position of the sphere pressure head 6 is configured according to the overall diameter R and interior diameter r of saw blade；Wherein, R
>=100mm, r >=15mm.
In the present embodiment, the size of sphere pressure head 6 can also be set according to saw blade, reference picture 4, shows ball
A kind of example of first 6 size of face pressure.
Alternatively, the sphere pressure head 6 is set according to the axle center annular of the portable pressing element 3 or the fixed pressing element 4
Put.
Alternatively, the minimum diameter of the annular setting is：R1=r+55mm.
Reference picture 5, the minimum diameter that annular is set are the sphere pressure head 6 for being arranged at pressing element surface most outer shroud.
Alternatively, the maximum gauge of the annular setting is：R2=R-20mm.
Reference picture 5, the maximum gauge that annular is set are the sphere pressure head 6 for being arranged at pressing element surface innermost ring.
Alternatively, reference picture 5, the number of rings M values that the annular of sphere pressure head 6 is set are：
Alternatively, as M >=3, the number of rings M values are arranged to fixed value M=3.
Alternatively, reference picture 5, the interannular that the annular of sphere pressure head 6 is set are away from d：
It should be noted that can be HRC62 by the hardness of pressing element matrix 8 and sphere pressure head 6 in the present embodiment.
Alternatively, the overall diameter one of the diameter of the portable pressing element 3 and the fixed pressing element 4 and the saw blade
Cause.
Alternatively, the portable pressing element 3, which is threadably secured, is arranged at the power output other end of cylinder 2.
Pass through above-mentioned design principle, it may be determined that position of the sphere pressure head 6 on pressing element matrix 8.In view of actual production
During, saw blade dimensions is relatively more.When saw blade external profile diameter is less than 10mm more than pressing element base diameter and difference
When, it can not have to change pressing element., only need to be by adjusting the size of pressure after the distribution form that sphere pressure head is determined, it is possible to
Realize the adjustment of circular saw-blade tension effect.
In a kind of preferred scheme of the embodiment of the present invention, saw blade could be arranged to：Radius R=150mm, thickness
2.2mm, center pore radius r=15mm, material 65Mn；Portable and fixed pressing element matrix：External diameter 260mm；Sphere pressure head is set
It is set to Fig. 4 illustrated dimensions；Press the design principle of sphere pressure head distribution, R1=70mm, R2=130mm, number of rings M=3, ring sphere
Pressure head number N=16, interannular is away from d=30mm.
Analogue simulation processing is carried out to the above-mentioned circular saw-blade tension device matched somebody with somebody and saw blade, saw blade has been calculated and has fitted
Residual stress field after, and each rank intrinsic frequency after tensioned, tangential tensioned stress distribution as shown in Figure 6, in annular saw
Piece outer edge area, closer to outer rim, tangential stress is bigger, illustrates that the residual stress distribution that this tensioned device obtains is reasonable.
As shown in table 1, after tensioned, saw blade Nc=0, the intrinsic frequency of Nd >=2 is significantly improved, and illustrates saw blade
Dynamic characteristic is improved.
Table 1
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of circular saw-blade tension device, including：
Frame (1), power output cylinder (2), portable pressing element (3), fixed pressing element (4) and base (5)；
The frame (1) is fixedly installed on the base (5), and described power output cylinder (2) one end is arranged at the frame (1)
On, described power output cylinder (2) other end is fixedly installed portable pressing element (3)；The fixed pressing element (4) is arranged at the bottom
It is on seat (5) and corresponding with the portable pressing element (3)；
Wherein, it is provided with quantity identical sphere pressure head on the portable pressing element (3) and the fixed pressing element (4)
(6) the sphere pressure head (6), and on the portable pressing element (3) and the sphere pressure head on the fixed pressing element (4)
(6) it is corresponding.
2. device according to claim 1, it is characterised in that the position of the sphere pressure head (6) is according to the outer of saw blade
Diameter R and interior diameter r are configured；Wherein, R >=100mm, r >=15mm.
3. device according to claim 2, it is characterised in that the sphere pressure head (6) is according to the portable pressing element (3)
Or the axle center annular of the fixed pressing element (4) is set.
4. device according to claim 3, it is characterised in that it is described annular set minimum diameter be：
R1=r+55mm.
5. the device according to claim 3 or 4, it is characterised in that it is described annular set maximum gauge be：
R2=R-20mm.
6. device according to claim 6, it is characterised in that the number of rings M values that the sphere pressure head (6) annular is set are：
7. device according to claim 6, it is characterised in that as M >=3, the number of rings M values are arranged to fixed value M
=3.
8. the device according to claim 6 or 7, it is characterised in that the interannular that sphere pressure head (6) annular is set is away from d
For：
<mrow>
<mi>d</mi>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>R</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<msub>
<mi>R</mi>
<mn>1</mn>
</msub>
</mrow>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</mfrac>
<mo>.</mo>
</mrow>
9. according to any described devices of claim 1-8, it is characterised in that the portable pressing element (3) and described fixed
The diameter of pressing element (4) is consistent with the overall diameter of the saw blade.
10. device according to claim 9, it is characterised in that the portable pressing element (3), which is threadably secured, to be arranged at
The power exports cylinder (2) other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756849.5A CN107442647A (en) | 2017-08-29 | 2017-08-29 | A kind of circular saw-blade tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756849.5A CN107442647A (en) | 2017-08-29 | 2017-08-29 | A kind of circular saw-blade tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442647A true CN107442647A (en) | 2017-12-08 |
Family
ID=60494258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710756849.5A Pending CN107442647A (en) | 2017-08-29 | 2017-08-29 | A kind of circular saw-blade tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001103A (en) * | 2020-07-29 | 2020-11-27 | 杭州吉冈工具有限公司 | Circular saw blade prestress field generation and regulation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB888980A (en) * | 1959-06-16 | 1962-02-07 | Sandvikens Jernverks Ab | Improvements in or relating to saw chains |
| US5522283A (en) * | 1995-01-09 | 1996-06-04 | International Paper Company | Circular saw leveling and tensioning machine |
| CN101347849A (en) * | 2008-09-01 | 2009-01-21 | 中国林业科学研究院木材工业研究所 | Circular saw blade gravitation tensity disposal method and apparatus |
| CN201664730U (en) * | 2010-04-15 | 2010-12-08 | 杭州和源精密工具有限公司 | X-shaped punching tool for tensioning treatment of circular saw blade |
| CN103320599A (en) * | 2013-06-24 | 2013-09-25 | 博深工具股份有限公司 | Saw blade matrix pressure quenching device and quenching process thereof |
| CN105671250A (en) * | 2016-03-24 | 2016-06-15 | 中国林业科学研究院木材工业研究所 | Laser impact tensioning device and method for circular saw web |
| CN207941853U (en) * | 2017-08-29 | 2018-10-09 | 中国林业科学研究院木材工业研究所 | A kind of circular saw-blade tension device |
-
2017
- 2017-08-29 CN CN201710756849.5A patent/CN107442647A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB888980A (en) * | 1959-06-16 | 1962-02-07 | Sandvikens Jernverks Ab | Improvements in or relating to saw chains |
| US5522283A (en) * | 1995-01-09 | 1996-06-04 | International Paper Company | Circular saw leveling and tensioning machine |
| CN101347849A (en) * | 2008-09-01 | 2009-01-21 | 中国林业科学研究院木材工业研究所 | Circular saw blade gravitation tensity disposal method and apparatus |
| CN201664730U (en) * | 2010-04-15 | 2010-12-08 | 杭州和源精密工具有限公司 | X-shaped punching tool for tensioning treatment of circular saw blade |
| CN103320599A (en) * | 2013-06-24 | 2013-09-25 | 博深工具股份有限公司 | Saw blade matrix pressure quenching device and quenching process thereof |
| CN105671250A (en) * | 2016-03-24 | 2016-06-15 | 中国林业科学研究院木材工业研究所 | Laser impact tensioning device and method for circular saw web |
| CN207941853U (en) * | 2017-08-29 | 2018-10-09 | 中国林业科学研究院木材工业研究所 | A kind of circular saw-blade tension device |
Non-Patent Citations (2)
| Title |
|---|
| 张占宽: "《球面多点加压适张圆锯片残余应力研究》", 《北京林业大学学报》 * |
| 李博: "《圆锯片多点加压适张工艺压点分布对适张效果的影响》", 《木材加工机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001103A (en) * | 2020-07-29 | 2020-11-27 | 杭州吉冈工具有限公司 | Circular saw blade prestress field generation and regulation method |
| CN112001103B (en) * | 2020-07-29 | 2024-04-09 | 杭州吉冈工具有限公司 | Circular saw blade prestress field generation and regulation method |
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Application publication date: 20171208 |