CN106270583A - A kind of cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip - Google Patents
A kind of cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip Download PDFInfo
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- CN106270583A CN106270583A CN201610835386.7A CN201610835386A CN106270583A CN 106270583 A CN106270583 A CN 106270583A CN 201610835386 A CN201610835386 A CN 201610835386A CN 106270583 A CN106270583 A CN 106270583A
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- blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/005—Geometry of the chip-forming or the clearance planes, e.g. tool angles
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Abstract
The invention discloses the cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip, including knife bar, main cutting blade, limit blade, described main cutting blade is connected with knife bar by bolt, described restriction blade is connected with knife bar by the fixing fritter with bolt group, the micro groove structure of given shape is had on the face that described restriction blade is corresponding with before cutting tip, between described restriction blade and laterally adjacent of knife bar, accompany respectively between described restriction blade and longitudinally adjacent of fixing fritter and laterally adjusted pad and longitudinally adjusted pad by what bolt group was fixed.The present invention realizes obtaining the sheet metal strip with certain micro-profile of tooth looks Ultra-fine Grained fin structure of different-thickness, can well control the pattern of Ultra-fine Grained fin structure sheet metal strip, multiple difference micro-profile of tooth looks Ultra-fine Grained fin structure sheet metal strip can be processed, and tool changing is convenient, can be greatly improved production efficiency.
Description
Technical field
The present invention relates to the roll forming techniques field in plastic forming field and the cutting edge in metal cutting field
Tool field, particularly relates to have specific micro-profile of tooth looks Ultra-fine Grained fin structure metal a kind of preparation based on big strain extrusion cutting method
The cutting gang tool of band.
Background technology
In recent years, along with electronic chip, the development of semiconductor technology, being continuously increased to dissipating of its heat flow density
The requirement of hot device is more and more higher, currently used relatively broad be fin shape radiator, the processing method of fin structure is general
Being gear milling cutter, the processing of this method makes the material waste produced more, is unfavorable for green processing, and the fin produced is tied
Structure is the most single.
For processing the fin structure with given shape by the method for big strain extrusion cutting, it is utilize material good
Good plasticity, and the heat produced at cutting second deformation zone make material can plastic forming again, be cut and squeeze out that to have certain special
The Ultra-fine Grained fin structure sheet metal strip of fixed micro-odontoid.The extrusion cutting gang tool of the present invention is for preparing fin structure metal
Band provides a kind of novel processing technique, and its cutting parameter is controlled, simple in construction effective, can process fin shape kind
Many.Inclined-plane difference microflute shape, chip thickness compression ratio, restriction blade on the downside of blade can be limited by changing according to the present invention
The factors such as corner radius, cutting anterior angle, it is achieved controlling the thickness of fin structure sheet metal strip, micro-profile of tooth looks, size etc. make fin
Structure reaches optimal.
Summary of the invention
It is an object of the invention to provide a kind of new extrusion cutting technology method to prepare there is certain micro-profile of tooth
The sheet metal strip of looks Ultra-fine Grained fin structure.
For achieving the above object, the present invention proposes following technical scheme:
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip, including knife bar, main cutting blade, limit
Blade processed, described main cutting blade is connected with knife bar by bolt, and described restriction blade is by the fixing fritter with bolt group
It is connected with knife bar, the face that described restriction blade is corresponding with before cutting tip has the micro groove structure of given shape, described limit
Accompany respectively between blade processed and laterally adjacent of knife bar, between described restriction blade and longitudinally adjacent of fixing fritter by
What bolt group was fixing laterally adjusts pad and longitudinally adjusted pad.
The present invention laterally adjusts pad and the thickness of longitudinally adjusted pad by regulation, can obtain different cutting depth
With thickness of cutting value, it is achieved the controllable adjustment of chip thickness compression ratio, so realize obtaining different-thickness to have certain specific
The Ultra-fine Grained fin structure sheet metal strip of micro-profile of tooth looks.At the same time it can also be there is different structure, the limit of size microflute by replacing
Blade processed selects to extrude the Ultra-fine Grained fin structure sheet metal strip cutting variety classes micro-profile of tooth looks, turns by changing difference
The restriction blade of angular radius value, controls the integrity of cutting extrusion fin structure sheet metal strip, it is also possible to cut by more change owner
Paring blade reaches to change the purpose of anterior angle.
Further, described main cutting blade rake face is parallel with limiting inclined-plane on the downside of blade, and has one between two inclined-planes
Fixed gap.In the technical program, the most regular in order to obtain micro-profile of tooth looks, fin structure preferable ultrafine grain metal band,
Before described main cutting blade parallel with limiting inclined-plane on the downside of blade, and to form certain gap between two inclined-planes.
Further, being provided with micro groove structure on the downside of described restriction blade on inclined-plane, the microflute of described micro groove structure is transversal
Face structure is that 45 ° of base angles are trapezoidal, 60 ° of base angles are trapezoidal, 75 ° of base angles are trapezoidal, equilateral triangle or sinusoidal wave form.This case case is different
Micro groove structure, the restriction blade of size can extrude the sheet metal strip cutting variety classes Ultra-fine Grained fin structure.
Further, on the downside of described restriction blade, incline position is higher than main cutting blade rake face position 0.4 ~ 1mm, and master cuts
Cut sword higher than limiting the outer longitudinal surface 0.2 ~ 0.6mm of blade.This programme reserves enough cutting depth selectable value in cutting.
Further, described restriction blade is 0 ~ 0.5mm with corner radius r of main cutting edge relative edge.This programme provides
Restriction insert corner radius can not only obtain micro-profile of tooth looks preferable Ultra-fine Grained fin structure sheet metal strip, can guarantee that again band
Extrude the most smoothly.
Further, described main cutting edge anterior angle is 5 ° ~ 30 °.The cutting anterior angle energy of the main cutting blade that this programme provides
Enough ensure that second deformation zone has preferable plastic deformation so that the Ultra-fine Grained fin structure sheet metal strip Forming Quality of micro-profile of tooth looks
Preferably.
It is an advantage of the invention that and achieve inclined-plane micro groove structure, the replaceable regulation of size on the downside of restriction blade, cutting thickness
Degree compression ratio, cutting extrusion corner radius, the cutting isoparametric controllable adjustment of anterior angle.Concrete, tie by changing different microflute
Structure, the restriction blade of size can extrude the sheet metal strip cutting variety classes Ultra-fine Grained fin structure.By regulation laterally
Adjust pad and the thickness of longitudinally adjusted pad, different cutting depth and thickness of cutting can be obtained, it is achieved depth of cut pressure
Contracting ratio controllable adjustment, and then realize the thickness controllable adjustment of fin structure sheet metal strip.Select by changing restriction blade
Select different corner radius, different tool orthogonal rake values can be selected by changing main cutting blade.Therefore, according to the present invention,
Appropriate there is certain micro groove structure, the restriction blade of size, chip thickness compression ratio, cutting extrusion turning half by selecting
The parameters such as footpath, cutting anterior angle, it is possible to achieve obtain the Ultra-fine Grained fin structure sheet metal strip with good micro-profile of tooth looks.
Accompanying drawing explanation
Fig. 1 is the gang tool structure overall structure schematic diagram of the present invention.
Fig. 2 be the groove shape of very low power structure be 45 ° of base angles trapezoidal time structural representation.
Fig. 3 be the groove shape of very low power structure be 60 ° of base angles trapezoidal time structural representation.
Fig. 4 be the groove shape of very low power structure be 75 ° of base angles trapezoidal time structural representation.
Fig. 5 be the groove shape of very low power structure be structural representation during equilateral triangle.
Fig. 6 be the groove shape of very low power structure be structural representation during sinusoidal wave form.
Detailed description of the invention
In order to be more fully understood that the present invention, with embodiment, the specific implementation method of the present invention is made into one below in conjunction with the accompanying drawings
The explanation of step, but the scope of protection of present invention is not limited to this.
As it is shown in figure 1, one prepares specific micro-profile of tooth looks Ultra-fine Grained fin structure metal based on big strain extrusion cutting method
The extrusion cutting gang tool of band, including knife bar 1, main cutting blade 2, limits blade 3, and described main cutting blade 2 passes through spiral shell
Bolt 5 is connected with knife bar 1, and described restriction blade 3 is connected with knife bar 1 by the fixing fritter 4 with bolt group 6, described restriction cutter
Sheet 3 and the micro groove structure being provided with given shape on the most corresponding face of cutting tip 2, described restriction blade 3 and knife bar 1
Accompany respectively between laterally adjacent, between described restriction blade 3 and longitudinally adjacent of fixing fritter 4 and fixed by bolt group 6
Laterally adjust pad 8 and longitudinally adjusted pad 7.
In order to obtain the most regular Ultra-fine Grained fin structure sheet metal strip of micro-profile of tooth looks, size and facilitate sheet metal strip
Discharging smoothly, the rake face of described main cutting blade 2 is parallel with the inclined-plane, downside limiting blade 3, and two inclined-planes are formed necessarily
Gap.
In order to reserve enough cutting depth selectable value in cutting, on the downside of described restriction blade 3, incline position is higher than main
Cutting tip 2 rake face position 0.4 ~ 1mm, main cutting edge 9 should be higher than that the outer vertical lateral surface 0.2 ~ 0.6mm of restriction blade 3.
Described restriction blade 3 is 0 ~ 0.5mm with corner radius r of main cutting edge 9 relative edge.
The corner radius limiting blade 3 that this example is provided can make sheet metal strip obtain good micro-profile of tooth looks fin
Structure and microstructure and mechanical property, can guarantee that again the smooth extrusion of sheet metal strip.
The cutting anterior angle of described main cutting blade 2 is 5 ° ~ 30 °.The cutting anterior angle of the main cutting blade 2 that this example is provided
Ensure that the fin structure sheet metal strip crystal grain of micro-profile of tooth looks is effectively refined.
Described restriction blade 3 is to have number of different types with the very low power structure on main cutting blade 2 rake face opposite face
, its groove shape is respectively 45 ° of base angles trapezoidal (Fig. 2), 60 ° of base angles trapezoidal (Fig. 3), 75 ° of base angles trapezoidal (Fig. 4), and equilateral three
Dihedral (Fig. 5) and sinusoidal wave form (Fig. 6).The restriction blade of the removable dissimilar very low power structure that examples detailed above is provided
2 ensure that extruding cutting obtains the Ultra-fine Grained fin structure sheet metal strip with corresponding micro-profile of tooth looks.
This cutting gang tool can have specific micro-profile of tooth looks Ultra-fine Grained fin according to big strain extrusion cutting method preparation
The technological requirement of structural metal band select different-thickness laterally adjust pad 8 and longitudinally adjusted pad 7, inclined-plane, downside have
Difformity, the restriction blade 3 of size very low power, the restriction blade 3 of different corner radius values, the master of different cutting anterior angle sizes
Cutting edge blade 2, and then obtain different chip thickness compression ratio, the fin structure sheet metal strip of different micro-profile of tooth looks, difference
Cutting extrusion corner radius, the controllable adjustment of different cutting anterior angle.By selecting appropriate thickness of cutting compression ratio, before cutting
Angle, cutting extrusion corner radius etc. is extruded cutting parameter, then is selected corresponding downside to have certain specific very low power shape
Limit blade, just can realize tooth-shape structure and the optimization of performance of the Ultra-fine Grained fin structure sheet metal strip of micro-profile of tooth looks.
The above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-form or variation.Here without also cannot all of embodiment be given exhaustive.All the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the protection of the claims in the present invention
Within the scope of.
Claims (6)
1. the cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip, it is characterised in that include knife bar
(1), main cutting blade (2), limiting blade (3), described main cutting blade (2) is connected with knife bar (1) by bolt (5), described
Limit blade (3) to be connected with knife bar (1) by the fixing fritter (4) with bolt group (6), described restriction blade (3) and cutting
The horizontal stroke of the micro groove structure of given shape, described restriction blade (3) and knife bar (1) it is provided with on the face that blade (2) is the most corresponding
Between adjacent surface, accompany respectively by bolt group (6) between described restriction blade (3) and longitudinally adjacent of fixing fritter (4)
Fixing laterally adjusts pad (8) and longitudinally adjusted pad (7).
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip the most according to claim 1,
It is characterized in that: described main cutting blade (2) rake face is parallel with limiting inclined-plane, blade (3) downside, and has one between two inclined-planes
Fixed gap.
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip the most according to claim 1,
It is characterized in that: described restriction blade (3) downside is provided with micro groove structure on inclined-plane, the microflute cross section knot of described micro groove structure
Structure is that 45 ° of base angles are trapezoidal, 60 ° of base angles are trapezoidal, 75 ° of base angles are trapezoidal, equilateral triangle or sinusoidal wave form.
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip the most according to claim 1,
It is characterized in that: described restriction blade (3) downside incline position is cut higher than main cutting blade (2) rake face position 0.4 ~ 1mm, master
Cut sword (9) higher than limiting blade (3) outer longitudinal surface 0.2 ~ 0.6mm.
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip the most according to claim 1,
It is characterized in that: described restriction blade (3) is 0 ~ 0.5mm with corner radius r of main cutting edge (9) relative edge.
The cutting gang tool of a kind of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip the most according to claim 1,
It is characterized in that: the cutting anterior angle of described main cutting blade (2) is 5 ° ~ 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835386.7A CN106270583A (en) | 2016-09-19 | 2016-09-19 | A kind of cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835386.7A CN106270583A (en) | 2016-09-19 | 2016-09-19 | A kind of cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip |
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| Publication Number | Publication Date |
|---|---|
| CN106270583A true CN106270583A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835386.7A Pending CN106270583A (en) | 2016-09-19 | 2016-09-19 | A kind of cutting gang tool of big strain extrusion Ultra-fine Grained micro-toothing sheet metal strip |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552811A (en) * | 2017-09-25 | 2018-01-09 | 华南理工大学 | A kind of micro- cingulum material with abundant surface micro-structure and preparation method thereof |
| CN107803522A (en) * | 2017-11-26 | 2018-03-16 | 华南理工大学 | Prepare the cutting gang tool and method of micro- cingulum material with abundant surface texture |
| CN107824817A (en) * | 2017-11-10 | 2018-03-23 | 华南理工大学 | For preparing the multi-point cutter with the micro- cingulum material of abundant surface texture |
| CN113070495A (en) * | 2021-04-07 | 2021-07-06 | 中国矿业大学 | Large-strain extrusion cutting device for preparing superfine crystal plate texture strip |
| CN116000333A (en) * | 2022-12-30 | 2023-04-25 | 华南理工大学 | Device for preparing metal fin with wave structure and preparation method thereof |
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| RU2443510C1 (en) * | 2010-11-02 | 2012-02-27 | Государственное образовательное учреждение высшего профессионального образования "Комсомольский-на-Амуре государственный технический университет" (ГОУВПО "КнАГТУ") | Lathe tool with variable rake angle |
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| CN203711887U (en) * | 2014-02-28 | 2014-07-16 | 华南理工大学 | Extrusion cutting tool for preparing nanocrystalline material based on large-strain extrusion cutting method |
| CN203711888U (en) * | 2014-02-28 | 2014-07-16 | 华南理工大学 | Combined cutter for large strain extrusion cutting machining |
| CN205362715U (en) * | 2015-12-24 | 2016-07-06 | 上海东岩机械股份有限公司 | Accurate numerical control lathe gang tool |
| CN206065448U (en) * | 2016-09-19 | 2017-04-05 | 华南理工大学 | The cutting gang tool of the micro- toothing sheet metal strip of Ultra-fine Grained is extruded in a kind of big strain |
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| CN202539594U (en) * | 2012-01-11 | 2012-11-21 | 北华大学 | Polycrystalline diamond combined tool for carbon electrode excircle machining |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552811A (en) * | 2017-09-25 | 2018-01-09 | 华南理工大学 | A kind of micro- cingulum material with abundant surface micro-structure and preparation method thereof |
| CN107824817A (en) * | 2017-11-10 | 2018-03-23 | 华南理工大学 | For preparing the multi-point cutter with the micro- cingulum material of abundant surface texture |
| CN107803522A (en) * | 2017-11-26 | 2018-03-16 | 华南理工大学 | Prepare the cutting gang tool and method of micro- cingulum material with abundant surface texture |
| CN107803522B (en) * | 2017-11-26 | 2023-12-01 | 华南理工大学 | Cutting combination tool and method for preparing micro-toothed strip with rich surface structure |
| CN113070495A (en) * | 2021-04-07 | 2021-07-06 | 中国矿业大学 | Large-strain extrusion cutting device for preparing superfine crystal plate texture strip |
| CN116000333A (en) * | 2022-12-30 | 2023-04-25 | 华南理工大学 | Device for preparing metal fin with wave structure and preparation method thereof |
| CN116000333B (en) * | 2022-12-30 | 2024-04-30 | 华南理工大学 | Device for preparing metal fin with wave structure and preparation method thereof |
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Application publication date: 20170104 |