CN204182988U - A kind of four sword reamers of side set structure - Google Patents
A kind of four sword reamers of side set structure Download PDFInfo
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- CN204182988U CN204182988U CN201420563607.6U CN201420563607U CN204182988U CN 204182988 U CN204182988 U CN 204182988U CN 201420563607 U CN201420563607 U CN 201420563607U CN 204182988 U CN204182988 U CN 204182988U
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Abstract
A kind of four sword reamers of side set structure, it is characterized in that: comprise knife bar, two centered by the axle center of described knife bar, put the first blade and two that are centrosymmetric centered by the axle center of described knife bar, put the second blade be centrosymmetric, the rake face of described first blade is vertical with the rake face of described second blade, and the cutting edge on described first blade rotates the cutting face and the cutting edge on described second blade that are formed, and to rotate around the central shaft of described knife bar the cutting face formed crossing and partially overlap around the central shaft of described knife bar.
Description
Technical field
The utility model relates to the cutting tool field of industrial processes, particularly a kind of four sword reamers of side set structure.
Background technology
Reamer is that a kind of being used for specially carries out for the hole of given shape the cutter processed, it is generally used for processing special form hole and step surface etc., the blade type of molding cutter cutting edge appearance profile that is general and workpiece is suitable, so that form required given shape by time processing on workpiece.When needs process two surfaces be connected on workpiece, and these two surperficial connections are when being seamed edge outwardly, if adopt conventional method design, namely the blade type of the cutting edge of molding cutter need be consistent with workpiece configurations, therefore intersects for shaping these two surperficial cutting edges and form the sharp concave corners to cutter hub inner recess in intersection.But, in the manufacturing process of cutter, more difficult on cutter grinding formed to the sharp concave corners of cutter hub inner recess, and the sharp comer of cutter hub inner recess cutting resistance when concrete converted products is excessive, also easy seamed edge on product is cut blunt, do not reach due effect.
It is traditional that on workpiece, junction, two faces is the processing method of seamed edge is outwardly generally first process first surface to above-mentioned, then again clamping workpiece or adjustment tool position, the base material forming first surface processes second surface, and make first surface crossing with second surface, thus required seamed edge can be formed in the junction of first surface and second surface.But, this processing mode is whenever processing single plane, capital causes the clout of the edge of this plane to produce burr, sawtooth to another side flange, therefore follow-up also needs carries out polishing fine finishining further, affect the production qualification rate of product, and easily cause the accumulation of mismachining tolerance, reduce the precision of processing; Said method need through twice processing in addition, and need again clamping workpiece or replacing, adjustment tool position, and operating efficiency is lower.
Therefore the cutting tool of prior art as above is obvious for the shortcoming that curved face processing exists, and has very much the necessity improved further.
Utility model content
The purpose of this utility model is the four sword reamers providing a kind of side set structure, its technical problem to be solved is: traditional intersect the structure forming seamed edge carry out adding man-hour for workpiece having two surfaces, the processing of face one by one of usual employing, make two faces intersect the structure forming seamed edge and easily on seamed edge, form clout flange, burr, need fine finishining, and face processing also needs the clamping or the tool position that adjust workpiece one by one, therefore efficiency is low, and precision is also by the impact that mismachining tolerance is accumulative.
For solving the problems of the technologies described above, the utility model provides a kind of four sword reamers of side set structure, it comprises knife bar, centered by the axle center of described knife bar, put the first blade and two that are centrosymmetric for two centered by the axle center of described knife bar, put the second blade be centrosymmetric, the rake face of described first blade is vertical with the rake face of described second blade, cutting edge on described first blade rotates the cutting face and the cutting edge on described second blade that are formed, and to rotate around the central shaft of described knife bar the cutting face formed crossing and partially overlap around the central shaft of described knife bar.
Be preferable over: the cutting edge on described first blade comprises some annular end face swords, some circumferential cutting edge and first end sword, described annular end face sword with between circumferential cutting edge one by one alternate be connected at right angles step-like, some annular end face swords on described first blade be straight line sword and with the central axis upright of described knife bar, some circumferential cutting edge on described first blade be straight line sword and with the centerline axis parallel of described knife bar, described first end sword is positioned at the top of the other end corresponding with described knife bar on described first blade, the first chamfering blades is provided with between described first end sword and adjacent circumferential cutting edge,
Cutting edge on described second blade comprises the conical surface cutting edge that some cutting faces are the conical surface, some all swords and the second end sword, described conical surface cutting edge is connected in trapezoidal step-like with alternate one by one between Zhou Ren, some conical surface cutting edges on described second blade be straight line sword and and acutangulate angle between the central axis of described knife bar, some Zhou Ren on described second blade be straight line sword and with the centerline axis parallel of described knife bar, described second end sword is positioned at the top of the other end corresponding with described knife bar on described second blade, and be provided with the second chamfering blades between described end sword and adjacent Zhou Ren,
Annular end face sword on described first blade is identical with the step progression that the conical surface cutting edge on the step progression that circumferential cutting edge is formed and the second blade and all swords are formed, the diameter that the Zhou Ren of the circumferential cutting edge on described first blade and corresponding progression on the second blade rotates around the central shaft of described knife bar the circumference cutting face formed is identical, on described first blade, the circumferential cutting edge of every one-level rotates around the central shaft of described knife bar Zhou Ren that the circumference cutting face that formed covers corresponding progression on described second blade respectively and rotates around the central shaft of described knife bar the circumference cutting face formed, the cutting face that end sword on described first blade and the first chamfering blades are formed overlaps with the cutting face that the end sword on described second blade and the second chamfering blades are formed, it is crossing that annular end face sword on described first blade rotates cutting face and the corresponding progression on the second blade formed conical surface cutting edge around the central shaft of described knife bar rotates around the central shaft of described knife bar the cutting face formed.
Be preferable over: the anterior angle of the rake face of described first blade and the second blade is 3 °-5 °, first relief angle of the annular end face sword of described first blade and the conical surface cutting edge of the second blade is 12 °-15 °, the second relief angle is 22 °, 25 °, the relief angle of the circumferential cutting edge of described first blade and the Zhou Ren of the second blade is 20 °-25 °, and the circumferential cutting edge of described first blade and all leave circumference land between the Zhou Ren of the second blade and rear knife face.
Be preferable over: the angle becoming 30 ° between the equal and central axis of described knife bar of the some conical surface cutting edges on described second blade.
Be preferable over: described first end sword and the second end sword be straight line sword and with the central axis upright of described knife bar, angle all at 45 ° between the central axis of described first chamfering blades and the second chamfering blades and described knife bar;
Be preferable over: all offer chip area between often adjacent described first blade and the second blade, the angle of described chip area is 85 °, and the bottom land angle of described chip area is rounding structure.
Be preferable over: the rake face of described first blade and the second blade is plane, and surface finish, the surface roughness of the rake face of described first blade and the second blade is no more than 0.2 micron.
Be preferable over: the circumferential cutting edge unit length longer than all swords described second blade being positioned at the step first order and afterbody respectively described first blade being positioned at the step first order and afterbody; In addition, all swords of other progression on described second blade are the position, axis center of the circumferential cutting edge of corresponding progression on corresponding described first blade of circumference all, and then the axial two ends of circumferential cutting edge on described first blade of corresponding progression all exceed all swords unit length on described second blade.
Be preferable over: on described first blade, annular end face sword is identical with the step progression that conical surface cutting edge on the step progression that circumferential cutting edge is formed and the second blade and all swords are formed, be three grades of steps, wherein, described first blade is positioned at the circumferential cutting edge 1mm longer than all swords described second blade being positioned at the step first order and afterbody respectively of the step first order and afterbody; In addition, all swords of other progression on described second blade are the position, axis center of the circumferential cutting edge of corresponding progression on corresponding described first blade of circumference all, and then the axial two ends of circumferential cutting edge on described first blade of corresponding progression all exceed all sword 1mm on described second blade.
Compared with prior art, the beneficial effects of the utility model are:
One, crossing cutting face is formed by the rotation cross structure of the first blade and the second blade, utilize machining product two faces simultaneously, two cutting faces of intersecting, and then two faces crossing formation seamed edge structure can be formed on the surface of the product, compared with tradition need to use at twice cutter to cut respectively cumbersome process that two faces make two faces intersect, can one-shot forming, without the need to multistep operation;
Two, face processing one by one can be stopped in traditional handicraft and the position of causing two faces to intersect produces the phenomenon of flange, burr, and then eliminate follow-up finishing step, also eliminate the deviation accumulation impact caused because multi-section operation adds up;
Three, reduce processing cutting resistance, more stop traditional utilization on cutter during shaping indent wedge angle converted products seamed edge resistance excessive easily by the phenomenon of product seamed edge blunt.
Accompanying drawing explanation
Fig. 1 is cutter first blade group side structure schematic diagram of the present utility model.
Fig. 2 is cutter second blade group side structure schematic diagram of the present utility model.
Fig. 3 is stage property cutter head end face structure schematic diagram of the present utility model.
Fig. 4 is the sectional structure schematic diagram of A-A in Fig. 3.
Fig. 5 is the sectional structure schematic diagram of B-B in Fig. 3.
Fig. 6 is the contour structure schematic diagram that cutter of the present utility model rotates the cutting face formed.
Detailed description of the invention
Below with reference to accompanying drawing 1 to 6 and preferred embodiment, the four sword reamers to a kind of side set structure that the utility model proposes specifically illustrate.
The utility model provides a kind of four sword reamers of side set structure, it comprises knife bar 1, two centered by the axle center of described knife bar 1, put the first blade 2 of being centrosymmetric and two centered by the axle center of described knife bar 1, put the second blade 3 be centrosymmetric, the rake face 21 of described first blade 2 is vertical with the rake face 31 of described second blade 3, cutting edge on described first blade 2 rotates the cutting face and the cutting edge on described second blade 3 that are formed, and to rotate around the central shaft of described knife bar 1 cutting face formed crossing and partially overlap around the central shaft of described knife bar 1.The cutting face that the utility model is intersected around a central shaft rotation formation by the first blade 2 and second blade 3 of side set, and then it is shaping to carry out time processing by a cutter to the face that product intersects, the seamed edge making on product surface two faces intersect formation is accurately shaping, converted products surface is made to have good fineness, and by side set reduce time processing two wear come resistance, eliminate the seamed edge position of intersecting formation in two faces and rout up burr, reach impulse-free robustness phenomenon; Described first blade 2 and the second blade 3 add the deficiency that can make up mutually man-hour on cutting angle, territory, face at the same time, therefore a cutter can be utilized to complete the fine finishining of whole product, improve machining accuracy and working (machining) efficiency, reduce production cost, extend cutting-tool's used life.
Preferred embodiment: the cutting edge on described first blade 2 comprises some annular end face swords 22, some circumferential cutting edge 23 and first end sword 24, described annular end face sword 22 with between circumferential cutting edge 23 one by one alternate be connected at right angles step-like, some annular end face swords 22 in described first blade 2 be straight line sword and with the central axis upright of described knife bar 1, some circumferential cutting edge 23 in described first blade 2 be straight line sword and with the centerline axis parallel of described knife bar 1, described first end sword 24 is positioned at the top of the other end corresponding with described knife bar 1 on described first blade 2, the first chamfering blades 25 is provided with between described first end sword 24 and adjacent circumferential cutting edge 23,
Cutting edge on described second blade 3 comprises the conical surface cutting edge 32 that some cutting faces are the conical surface, some all swords 33 and the second end sword 34, alternately one by one between described conical surface cutting edge 32 with all swords 33 be connected in trapezoidal step-like, some conical surface cutting edges 32 in described second blade 3 be straight line sword and and acutangulate angle between the central axis of described knife bar 1, some all swords 33 in described second blade 3 be straight line sword and with the centerline axis parallel of described knife bar 1, described second end sword 34 is positioned at the top of the other end corresponding with described knife bar 1 on described second blade 3, and be provided with the second chamfering blades 35 between described end sword 34 and adjacent all sword 33,
On described first blade 2, annular end face sword 22 is identical with the step progression that all swords 33 are formed with the conical surface cutting edge 32 on the step progression that circumferential cutting edge 23 is formed and the second blade, the diameter that all swords 33 of the circumferential cutting edge 23 on described first blade 2 and corresponding progression on the second blade 3 rotate around the central shaft of described knife bar 1 the circumference cutting face formed is identical, on described first blade 2, the circumferential cutting edge 23 of every one-level rotates around the central shaft of described knife bar 1 all swords 33 that the circumference cutting face that formed covers corresponding progression on described second blade 3 respectively and rotates around the central shaft of described knife bar 1 the circumference cutting face formed, the cutting face that end sword on described first blade 2 and the first chamfering blades 25 are formed overlaps with the cutting face that the end sword 34 on described second blade 3 and the second chamfering blades 35 are formed, it is crossing that annular end face sword 22 on described first blade 2 rotates cutting face and the corresponding progression on the second blade 3 formed conical surface cutting edge 32 around the central shaft of described knife bar 1 rotates around the central shaft of described knife bar 1 cutting face formed.
The present embodiment in the specific implementation, the cutting edge that described first blade 2 is identical with cutting face on the second blade 3 can be used for processing same to be processed, the annular end face sword 22 intersected and conical surface cutting edge 32 can be used for interlocking and process different faces, make two to be processed the seamed edge intersecting formation accurately bright and clean.
Preferred embodiment: the rake face (21 of described first blade 2 and the second blade 3,31) anterior angle is 3 °-5 °, first relief angle of the annular end face sword 22 of described first blade 2 and the conical surface cutting edge 32 of the second blade 3 is 12 °-15 °, the second relief angle is 22 °, 25 °, the relief angle of the circumferential cutting edge 23 of described first blade 2 and all swords 33 of the second blade 3 is 20 °-25 °, and all leave circumference land (232,233) between all swords 33 of the rear knife face 231 of the circumferential cutting edge 23 of described first blade 2 and the second blade 3 and rear knife face 331.
Preferred embodiment: the angle becoming 30 ° between the equal and central axis of described knife bar 1 of the some conical surface cutting edges 32 on described second blade 3, and then for processing the workpiece of special angle shape.
Preferred embodiment: described first end sword 24 and the second end sword 34 be straight line sword and with the central axis upright of described knife bar 1, described first chamfering blades 25 and angle all at 45 ° between the second chamfering blades 35 and the central axis of described knife bar 1, the present embodiment so that shoot the less hole embryo in aperture, and can carry out edge chamfer in the bottom in the follow-up hole to processing in reaming process;
Preferred embodiment: all offer chip area 4 between often adjacent described first blade 2 and the second blade 3, the angle of described chip area 4 is 85 °, and the bottom land angle of described chip area 4 is rounding structure.The angle rounding structure of bottom land can ensure that chip removal is smooth and easy do not block bits while add the structural strength of cutter.
Preferred embodiment: the rake face (21 of described first blade 2 and the second blade 3,31) plane is, and surface finish, the rake face (21 of described first blade 2 and the second blade 3,31) surface roughness is no more than 0.2 micron, described rake face (21,31) polishing is also conducive to smooth and easy chip removal.
Preferred embodiment: the circumferential cutting edge 23 unit length L longer than all swords 33 described second blade 3 being positioned at the step first order and afterbody respectively described first blade 2 being positioned at the step first order and afterbody; All swords 33 of other progression on described second blade 3 are in addition the position, axis center of the circumferential cutting edge 23 of corresponding progression on corresponding described first blade 2 of circumference all, and then the axial two ends of circumferential cutting edge 23 on described first blade 2 of corresponding progression all exceed all swords 33 1 the unit length L on described second blade 3.
Preferred embodiment: the annular end face sword 22 on described first blade 2 is identical with the step progression that all swords 33 are formed with the conical surface cutting edge 32 on the step progression that circumferential cutting edge 23 is formed and the second blade 3, be three grades of steps, wherein, described first blade 2 is positioned at circumferential cutting edge 23 1mm longer than all swords 33 described second blade 3 being positioned at the step first order and afterbody respectively of the step first order and afterbody; All swords 33 of other progression on described second blade 3 are in addition the position, axis center of the circumferential cutting edge 23 of corresponding progression on corresponding described first blade 2 of circumference all, and then the axial two ends of circumferential cutting edge 23 on described first blade 2 of corresponding progression all exceed all swords 33 1 millimeters on described second blade 3.
In experimentation: on DMG Digit Control Machine Tool, clamping needs the material of processing, is 8000min at rotating speed
-1feeding is use four sword reamers of a kind of side set structure of the present utility model to start to process this product under the condition of 1000mm/min, cuts as wet cutting, is cooled to water-cooled, solve the problem of the jagged and small round corner in chamfering place in process, the every data of the product processed all meet the requirements.
Described on comprehensive, the technical solution of the utility model fully effectively can complete above-mentioned utility model object, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and effect and the object of expection can be reached, and embodiment of the present utility model also can convert according to these principles, therefore, the utility model comprise all in claim mention all replacement contents in scope.Any equivalence change done in the utility model claim, within the scope of the claims of all genus this case applications.
Claims (8)
1. four sword reamers of a side set structure, it is characterized in that: comprise knife bar, two centered by the axle center of described knife bar, put the first blade and two that are centrosymmetric centered by the axle center of described knife bar, put the second blade be centrosymmetric, the rake face of described first blade is vertical with the rake face of described second blade, and the cutting edge on described first blade rotates the cutting face and the cutting edge on described second blade that are formed, and to rotate around the central shaft of described knife bar the cutting face formed crossing and partially overlap around the central shaft of described knife bar.
2. four sword reamers of a kind of side set structure as claimed in claim 1, it is characterized in that: the cutting edge on described first blade comprises some annular end face swords, some circumferential cutting edge and first end sword, described annular end face sword with between circumferential cutting edge one by one alternate be connected at right angles step-like, some annular end face swords on described first blade be straight line sword and with the central axis upright of described knife bar, some circumferential cutting edge on described first blade be straight line sword and with the centerline axis parallel of described knife bar, described first end sword is positioned at the top of the other end corresponding with described knife bar on described first blade, the first chamfering blades is provided with between described first end sword and adjacent circumferential cutting edge,
Cutting edge on described second blade comprises the conical surface cutting edge that some cutting faces are the conical surface, some all swords and the second end sword, described conical surface cutting edge is connected in trapezoidal step-like with alternate one by one between Zhou Ren, some conical surface cutting edges on described second blade be straight line sword and and acutangulate angle between the central axis of described knife bar, some Zhou Ren on described second blade be straight line sword and with the centerline axis parallel of described knife bar, described second end sword is positioned at the top of the other end corresponding with described knife bar on described second blade, and be provided with the second chamfering blades between described end sword and adjacent Zhou Ren,
Annular end face sword on described first blade is identical with the step progression that the conical surface cutting edge on the step progression that circumferential cutting edge is formed and the second blade and all swords are formed, the diameter that the Zhou Ren of the circumferential cutting edge on described first blade and corresponding progression on the second blade rotates around the central shaft of described knife bar the circumference cutting face formed is identical, on described first blade, the circumferential cutting edge of every one-level rotates around the central shaft of described knife bar Zhou Ren that the circumference cutting face that formed covers corresponding progression on described second blade respectively and rotates around the central shaft of described knife bar the circumference cutting face formed, the cutting face that end sword on described first blade and the first chamfering blades are formed overlaps with the cutting face that the end sword on described second blade and the second chamfering blades are formed, it is crossing that annular end face sword on described first blade rotates cutting face and the corresponding progression on the second blade formed conical surface cutting edge around the central shaft of described knife bar rotates around the central shaft of described knife bar the cutting face formed.
3. four sword reamers of a kind of side set structure as claimed in claim 2, it is characterized in that: the anterior angle of the rake face of described first blade and the second blade is 3 °-5 °, first relief angle of the annular end face sword of described first blade and the conical surface cutting edge of the second blade is 12 °-15 °, the second relief angle is 22 °, 25 °, the relief angle of the circumferential cutting edge of described first blade and the Zhou Ren of the second blade is 20 °-25 °, and the circumferential cutting edge of described first blade and all leave circumference land between the Zhou Ren of the second blade and rear knife face.
4. four sword reamers of a kind of side set structure as claimed in claim 3, is characterized in that: the angle becoming 30 ° between the equal and central axis of described knife bar of the some conical surface cutting edges on described second blade.
5. four sword reamers of a kind of side set structure as claimed in claim 4, it is characterized in that: described first end sword and the second end sword be straight line sword and with the central axis upright of described knife bar, angle all at 45 ° between the central axis of described first chamfering blades and the second chamfering blades and described knife bar;
Four sword reamers of a kind of side set structure as claimed in claim 5, it is characterized in that: between often adjacent described first blade and the second blade, all offer chip area, the angle of described chip area is 85 °, and the bottom land angle of described chip area is rounding structure.
6. four sword reamers of a kind of side set structure as claimed in claim 5, it is characterized in that: the rake face of described first blade and the second blade is plane, and surface finish, the surface roughness of the rake face of described first blade and the second blade is no more than 0.2 micron.
7. four sword reamers of a kind of side set structure as claimed in claim 6, is characterized in that: the circumferential cutting edge unit length longer than all swords described second blade being positioned at the step first order and afterbody respectively described first blade being positioned at the step first order and afterbody; In addition, all swords of other progression on described second blade are the position, axis center of the circumferential cutting edge of corresponding progression on corresponding described first blade of circumference all, and then the axial two ends of circumferential cutting edge on described first blade of corresponding progression all exceed all swords unit length on described second blade.
8. four sword reamers of a kind of side set structure as claimed in claim 7, it is characterized in that: on described first blade, annular end face sword is identical with the step progression that conical surface cutting edge on the step progression that circumferential cutting edge is formed and the second blade and all swords are formed, be three grades of steps, wherein, described first blade is positioned at the circumferential cutting edge 1mm longer than all swords described second blade being positioned at the step first order and afterbody respectively of the step first order and afterbody; In addition, all swords of other progression on described second blade are the position, axis center of the circumferential cutting edge of corresponding progression on corresponding described first blade of circumference all, and then the axial two ends of circumferential cutting edge on described first blade of corresponding progression all exceed all sword 1mm on described second blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563607.6U CN204182988U (en) | 2014-09-28 | 2014-09-28 | A kind of four sword reamers of side set structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563607.6U CN204182988U (en) | 2014-09-28 | 2014-09-28 | A kind of four sword reamers of side set structure |
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| CN204182988U true CN204182988U (en) | 2015-03-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191000A (en) * | 2014-09-28 | 2014-12-10 | 江西杰浩硬质合金工具有限公司 | Staggered teeth-structured four-blade hole expanding drill |
| CN107335851A (en) * | 2017-08-30 | 2017-11-10 | 东莞市联合磨削精密刀具有限公司 | A kind of four sword side set cutters |
| CN107414156A (en) * | 2017-08-30 | 2017-12-01 | 东莞市联合磨削精密刀具有限公司 | A kind of six sword side set cutters |
-
2014
- 2014-09-28 CN CN201420563607.6U patent/CN204182988U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191000A (en) * | 2014-09-28 | 2014-12-10 | 江西杰浩硬质合金工具有限公司 | Staggered teeth-structured four-blade hole expanding drill |
| CN107335851A (en) * | 2017-08-30 | 2017-11-10 | 东莞市联合磨削精密刀具有限公司 | A kind of four sword side set cutters |
| CN107414156A (en) * | 2017-08-30 | 2017-12-01 | 东莞市联合磨削精密刀具有限公司 | A kind of six sword side set cutters |
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Denomination of utility model: Staggered teeth-structured four-blade hole expanding drill Effective date of registration: 20170510 Granted publication date: 20150304 Pledgee: Jing'an branch of China Co truction Bank Corp Pledgor: JIANGXI JIEHAO CARBIDE TOOL CO., LTD. Registration number: 2017360000001 |
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