CN203900516U - Mechanical clamping rotating graduation lathe tool - Google Patents
Mechanical clamping rotating graduation lathe tool Download PDFInfo
- Publication number
- CN203900516U CN203900516U CN201420234590.XU CN201420234590U CN203900516U CN 203900516 U CN203900516 U CN 203900516U CN 201420234590 U CN201420234590 U CN 201420234590U CN 203900516 U CN203900516 U CN 203900516U
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- lathe tool
- cutter
- calibration
- cutter head
- graduation
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- 238000013016 damping Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 26
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000007514 turning Methods 0.000 description 15
- 238000000227 grinding Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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- Milling Processes (AREA)
Abstract
The utility model discloses a mechanical clamping rotating graduation lathe tool. A cutter handle is composed of a rotating positioning cutting head (2) axially connected with a cutter handle connecting rod (12), the cutter handle connecting rod passes through an inlet hole of the rectangular end face of a sleeve cutter rod (5), the rotating positioning cutting head and the sleeve cutter rod are connected to be a whole through a tail locking nut (6), a forming cutter body (1) passes through a cutter body positioning hole (10) at the front end of the rotating positioning cutting head and is fixed through an upper pressing type fastening screw (7), and a graduation positioning disc (4) fixedly connected to the front end face of the sleeve cutter rod passes through a graduation positioning hole (11) in the recessed end face of the rotating positioning cutting head and is fixedly connected through a graduation positioning pin (8) according to the rotating angle of the graduation positioning disc. The mechanical clamping rotating graduation lathe tool is simple in structure and is clamped reliably, a blade or the cutting head is easy to replace, forming cutter consumption can be reduced, the lathe tool has a vibration reduction buffering function, and according to the multifunctional rotating graduation lathe tool, the required cutting angle can be selected. The shortcoming that mechanical clamping lathe tools are clamped unstably, blades drop easily and vibrate and cutter tipping occurs easily are overcome.
Description
Technical field
The utility model and a kind of high-efficiency multi-function rotary index cutter, concrete strategic point says, particularly a turning processing vessel wheel pot bar, T-shaped screw rod, building up by welding and with the cutter of angled processing parts enforcement machining.
Background technology
The conventional lathe tool of prior art has straight peen billmpse tool, elbow billmpse tool, offset tool, cutoff tool, machine folder throw away bit etc.Threading tool belongs to a kind of of cutting tool, is for carry out a kind of cutter of the machining of screw thread on turning machining tool.The threading tool of the welding cutter head that the needs that use from the machine-building initial stage grind by hand, the threading tool that high speed steel material is worn into, the billmpse tool of the threading tool of high-speed steelknife chip and autogenous grinding moulding thereof, offset tool, cutoff tools etc. are the turning cutting tools being widely used at present, conventionally be divided into cutter hub and cutter head two parts, cutter hub and cutter head or welding cutter head are generally the solid tools that links together, the cutter hub of this cutter cutter and knife bar disjunctor part, in use to waste a large amount of cutter materials, and the part of a kind of angle of every processing all will be selected manual mill forming-tool or take off blade and in sand round, grinds angle, with angular templet, measure grinding angle, wasted the time.And the processing of the forming-tool of selected different angles, can not save cost, knife bar repeat usage is low, abandons waste large.
Clip type lathe tool of the prior art, ratoting mechanical clamping lathe tool, machine folder throw away threading tool is divided into knife bar and blade two parts conventionally, and the edge bearing with screw in compression is housed on knife bar, generally blade, edge bearing, clamping element and cutter hub, consists of.Ratoting mechanical clamping lathe tool is indexable carbide chip to be clamped in to the lathe tool forming on knife bar by mechanical method, to utilize an eccentric mandrel of screw upper end that blade is clamped on knife bar, this structure relies on eccentric clamping, screw self-locking, although simple in structure, easy to operate, but can not bilaterally locate.When offset is too small, the precision that requires blade to manufacture is high, if when offset is excessive, easily loosening at cutting force percussion bottom knife.The locate mode of the indexable machine of this upper pressure type folder throw away chip, although can bear larger radial load, bears axial force ability poor, and the indexable shaping blades of upper pressure type is unidirectional fixing clamping unstable, blade vibration is easily cracked, vibrates easy tipping, and blade easily falls.The shape of current indexable turning blade has triangle, square, prismatic, pentagon, hexagon and circle etc., is to be shaped by cemented carbide works pressing mold, the geometric parameter (not needing sharpening) of selecting while making blade have for cutting; Meanwhile, blade has 3 and after cutting edge wearing and tearing, unclamps clamp mechanism above for the cutting edge of transposition, indexes the insert to another cutting edge, can cut, and after all cutting edges all wear and tear, takes off again, changes new blade of the same type.Because machine folder shaped profile turning cutter cutter hub is little, blade is less, and the anterior angle of blade, relief angle, tool cutting edge angle, auxiliary angle are fixed value, be only applicable to smallclothes processing and junior machine in some, there is certain limitation, and feeding in a large number when cross cutting, this problem not yet solves.
By the method machining screw of turning, be the most frequently used processing method at present, wherein maximum with the difficulty of processing of T-shaped screw thread, because the axial section configuration of the T-shaped screw thread of coarse pitch is an isosceles trapezoid, and generally do transmission, required precision is higher.Particularly the processing of the T-shaped screw thread of coarse pitch and crudy how to carry T-shaped screw thread are the focuses of turning working research always.Conventionally the nose angle of lathe tool equals form of thread angle α=60o, the tooth form angle of its anterior angle γ o=0o guarantee workpiece screw thread, otherwise tooth form angle will produce error.While only having roughing or when accuracy of thread is less demanding, the desirable γ o=5o～20o of its anterior angle.Point of a knife alignment pieces center when threading tool is installed, and use model tool setting, perpendicular to guarantee the angular bisector of nose angle and the axis of workpiece, the tooth form angle that car goes out just can deflection.Lathe tool two cutting edges tooth form angle of the angle between projection and machining screw on basal plane is inconsistent, also can cause the angle of thread that processes incorrect.During cutting thread, because being subject to the impact of helix, there is variation in the position of cutting plane and basal plane, and the anterior angle while making lathe tool work is different from the numerical value at sharpening anterior angle and sharpening angle with relief angle.The impact of the common fine pitch screw thread of turning is little in general, but turning rectangle, trapezoidal thread etc. are during compared with the screw thread of coarse pitch, and impact is just larger, must consider the impact of workpiece lead angle.When sharpening threading tool, the both sides edge clearance angle of lathe tool is by general billmpse tool sharpening, may make lathe tool can not cut smoothly workpiece when turning, along on the form of thread side of machining direction, serious friction occurring, cause scar, affect normal turning, if relief angle mill is too much, can significantly reduce the intensity of threading tool, during cutting, very easily wear and tear and can produce vibration, even tipping.
The frequent reconditioning of T-shaped threading tool need easy to wear, the part of a kind of angle of every processing all will be selected forming-tool or take off blade and in sand round, grind angle, with angular templet, measures grinding angle, lose time many, reconditioning requires high, is difficult to guarantee that angle of thread is correct, and during tool changing, centering difficulty is larger again.Excessive when the lathe tool amount of feeding, cutter head is produced to impulsive force extruding cutter head, produce stress and crackle, cause blade breakages or damage, and grinding blade again,, may there is dozen accident that flies part in bursting apart, damage of lathe tool.Therefore rationally change tool geometry angle, select suitable cutting data, improve tool life, improve the crudy of piece surface, save the non-cutting times such as sharpening, tool changing, installation, adjustment, increase substantially labor productivity, reducing production costs is the target that machining is pursued.
Summary of the invention
The purpose of this utility model is the weak point existing for above-mentioned prior art, provides a kind of simple in structure, and clamping is reliable, more allowing blade replacement or cutter head are easy, can reduce the forming-tool Expendable that disappears, there is vibration reduction and cushioning, can select the Multifunctional rotary calibration lathe tool of required cutting angle.
The utility model solves the technical scheme that its technical problem adopts, a kind of machine folder rotary index lathe tool, comprise the knife bar that axially connects firmly handle of a knife, it is characterized in that: described handle of a knife is comprised of the rotation location cutter head 2 that axially connects handle of a knife connecting rod 12, handle of a knife connecting rod 12, by the hand-hole of sleeve knife bar 5 cuboid end faces, is connected as one rotation location cutter head 2 and sleeve knife bar 5 by afterbody locking nut 6; Moulding cutter hub 1 is located the cutter hub locating hole 10 of cutter head 12 front ends by rotation, fixing by upper pressure type trip bolt 7; Connect firmly calibration positioning disk 4 on the preposition end face of sleeve knife bar 5 and by rotation, locate the calibration locating hole 11 that cutter head 2 sink on end face, according to the anglec of rotation of calibration positioning disk 4, by calibration alignment pin 8, be fixedly connected with.
The utility model has following beneficial effect than prior art.
Simple in structure, can a cutter multiplex, there is multifunctionality.The utility model adopts the handle of a knife is comprised of the rotary cutter that axially connects handle of a knife connecting rod, has avoided manual mill welding cutter head, knife bar repeat usage low, abandons and wastes large defect.Shaping blades or cutter head are by being positioned at rotary cutter front end cutter hub locating hole 10, upper housing screw five orientation restraint of liberty degree fixed blade or cutter heads by vertical forming cutter hub, the reliability and stability that clamp have been strengthened, bear radially, axial force ability is strong, can bearing radial force, can bear larger axial force again, reduce vibration probability, the good rigidity of shaping blades or cutter head and intensity have been guaranteed, for shaping blades or cutter head provide best clamping ability, can obtain longer cutter life and the machining accuracy of Geng Gao.Solved that in prior art, pressure type screw and pressing plate are by blade clamping mechanical clamping type turning tool, upper pressure type indexable insert tip, throw away tip is unidirectional fixing clamping unstable, trembles easily crackedly, and blade easily falls, and vibrates the not enough defect of easy tipping.
The utility model blade can continue to use with getting reconditioning after being worn out, even can change at any time P type, F type blade, T-shaped, the U-shaped blade of different angles, realizes a cutter multiplex, and the range of application that broadens, raises the efficiency, and reduces costs.Or change billmpse tool, offset tool, the cut-out shaping blades that different turning needs, and complete fast tool changing, realize a cutter multiplex.Can also replace somely regular turning tool knife bar, save the clamping time and reduce time of tool grinding, improve product efficiency, save production cost, can increase work efficiency more than 85%.Carrying out in the middle of back-off processing and screw thread process, the operating angle that can well adjust cutter with and clamping position.The part that has overcome a kind of angle of the every processing of prior art adopts forming-tool or leans on manual grinding knife tool angle processing and loading clamp long shortcoming non-cutting time.
The utility model is at rotary cutter front end, is to change shaping blades easily to design rectangle cutter hub locating hole 10, and unusual resistance to shaking, and can prevent cutter hub to be under pressure in process and rotate or warpage.The preposition cutter hub locating hole 10 of cutter head, more allowing blade replacement or cutter head are easy, and tool changing is convenient and swift, and parking tool change time is short.When tool changing more or cutter head sheet, as long as unclamp pressure housing screw, can freely blade or cutter head be taken out, therefore more after allowing blade replacement or cutter head, tighten pressure screw, blade or cutter head can firmly clamp again again, and more allowing blade replacement or cutter head are very easy to this structure, save the time of grinding knife tool, the disappear Expendable of minimizing to forming-tool, has saved production cost, has improved operating efficiency.On cutter head side plane, open the inclination groove of system, strengthened the buffering of cutter radial feeding active force, there is vibration-damping function, can be to operator during because of turning the depth of cut excessive, play vibration reduction and cushioning effect, prevent bursting apart, damaging of lathe tool, and play the accident generation that flies part.
The utility model is the calibration positioning disk of 0 °～20 ° of calibration accurately, can, by 0 °～20 ° rotation blades 2, select needed cutting angle.Can be according to the concrete needs of processing, correspondence changes lathe tool anterior angle, relief angle size, improves the brisk degree of cutting, also can improve a large amount of process velocities for the angled T-shaped groove screw rod of the processing belt that is shaped, pot wheel pot bar.
The utility model is for installing two vibration damping holes of elastic opening cover 9, and wherein elastic opening cover 9 plays vibration reduction and cushioning effect, and while preventing lathe work, the amount of feeding is excessive, and causes blade breakages or damage, and grinding cutter head problem again.
Accompanying drawing explanation
Fig. 1 is the front view of machine folder rotary index lathe tool of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the perspective view of handle of a knife described in Fig. 1.
The axial cutaway view of Fig. 4 elastic opening cover 9.
In figure: 1 moulding cutter hub, 2 rotation location cutter heads, 3 vibration damping grooves, 4 calibration positioning disks, 5 sleeve knife bars, 6 afterbody locking nuts, pressure type trip bolt on 7,8 calibration alignment pins, 9 elastic opening covers, 10 cutter hub locating hole .11 calibration locating holes, 12 handle of a knife connecting rods, 13 locking holes, 14 through holes, 15 screw threads, 16 opening blind slots, 17.
The specific embodiment
Consult Fig. 1, Fig. 2.In embodiment described below, machine folder rotary index lathe tool comprises the knife bar that axially connects firmly handle of a knife.Described handle of a knife is comprised of the rotation location cutter head 2 that axially connects handle of a knife connecting rod 12.Handle of a knife connecting rod 12, by the hand-hole of sleeve knife bar 5 cuboid end faces, is connected as one rotation location cutter head 2 and sleeve knife bar 5 by handle of a knife connecting rod 12 tail end screw thread 15 afterbody locking nuts 6.Moulding cutter hub 1 is located the cutter hub locating hole 10 of cutter head 12 front ends by rotation, fixing by the upper pressure type trip bolt 7 by locking hole.Cutter hub locating hole 10 can be triangle, quadrangle, pentagon hole or threaded connection hole, wherein a kind of, and best mode is rectangular opening.Connect firmly calibration positioning disk 4 on the preposition end face of sleeve knife bar 5 and by rotation, locate the calibration locating hole 11 that cutter head 2 sink on end face, according to the anglec of rotation of calibration positioning disk 4, by calibration alignment pin 8, be fixedly connected with.On rotation location cutter head 2 sink end face and calibration positioning disk 4 top arc surfaces, can be shaped with 8 calibration locating holes 11 that decile is uniform, calibration locating hole 11 is uniform with 0 °～20 ° scale deciles.On calibration positioning disk 4, calibration locating hole 11 can compress switching by calibration alignment pin 8 screw threads.
Consult Fig. 3.On cuboid two side planes of rotation location cutter head 2,14, two through holes 14 of through hole that are shaped with two assembling elastic opening covers 9 are positioned at rotation location cutter head 2 afterbodys, and not on same straight line.Two 14 of through holes are shaped with vibration damping groove 3 until cutter head 2 base plane are located in rotation, and vibration damping groove 3 is inclination groove.Elastic opening cover 9 is assemblied in vibration damping groove 3, and vibration reduction and cushioning carrys out the radial effect power of spinning knife edge head 2.On the bus of elastic opening cover 9, be shaped with at least two pairs of opening directions reverse opening blind slot 16 each other; Opening blind slot 16 is in conjunction with the vibration of the excessive radial effect power of the elastic acting force vibration damping lathe tool amount of feeding of above-mentioned vibration damping groove 3 generations.
Claims (9)
1. a machine presss from both sides rotary index lathe tool, comprise the knife bar that axially connects firmly handle of a knife, it is characterized in that: described handle of a knife is comprised of the rotation location cutter head (2) that axially connects handle of a knife connecting rod (12), handle of a knife connecting rod (12) is by the hand-hole of sleeve knife bar (5) cuboid end face, by afterbody locking nut (6), will be rotated and be located cutter head (2) and sleeve knife bar (5) connects as one; Moulding cutter hub (1) is located the cutter hub locating hole (10) of cutter head (12) front end by rotation, fixing by upper pressure type trip bolt (7); Connect firmly calibration positioning disk (4) on the preposition end face of sleeve knife bar (5) and by rotation, locate the calibration locating hole (11) that cutter head (2) sink on end face, according to the anglec of rotation of calibration positioning disk (4), by calibration alignment pin (8), be fixedly connected with.
2. machine as claimed in claim 1 folder rotary index lathe tool, is characterized in that: cutter hub locating hole (10) is triangle, quadrangle, pentagon hole or threaded connection hole, wherein a kind of, and best mode is rectangular opening.
3. machine as claimed in claim 1 presss from both sides rotary index lathe tool, it is characterized in that: connect firmly calibration positioning disk (4) on the preposition end face of sleeve knife bar (5) and by rotation, locate the calibration locating hole (11) that cutter head (2) sink on end face, according to the anglec of rotation of calibration positioning disk (4), by calibration alignment pin (8), be fixedly connected with.
4. machine as claimed in claim 1 presss from both sides rotary index lathe tool, it is characterized in that: on rotation location cutter head (2) sink end face and calibration positioning disk (4) top arc surface, be shaped with 6～10 calibration locating holes (11) that decile is uniform, calibration locating hole (11) is uniform with 0 °～20 ° scale deciles.
5. machine folder rotary index lathe tool as claimed in claim 1, is characterized in that: the upper calibration locating hole (11) of calibration positioning disk (4) compresses switching by calibration alignment pin (8) screw thread and connects firmly.
6. machine as claimed in claim 1 presss from both sides rotary index lathe tool, it is characterized in that: on cuboid two side planes of rotation location cutter head (2), be shaped with the through hole (14) of two assembling elastic opening covers (9), two through holes (14) are positioned at rotation location cutter head (2) afterbody, and not on same straight line.
7. machine folder rotary index lathe tool as claimed in claim 6, is characterized in that: between two through holes (14) until rotation location cutter head (2) base plane is shaped with vibration damping groove (3), and vibration damping groove (3) is inclination groove.
8. machine folder rotary index lathe tool as claimed in claim 6, is characterized in that: elastic opening cover (9) is assemblied in vibration damping groove (3), and vibration reduction and cushioning carrys out the radial effect power of spinning knife edge head (2).
9. machine as claimed in claim 8 folder rotary index lathe tool, is characterized in that: on the bus of elastic opening cover (9), be shaped with at least two pairs of opening directions reverse opening blind slot (16) each other; Opening blind slot (16) is in conjunction with the vibration of the excessive radial effect power of the elastic acting force vibration damping lathe tool amount of feeding of above-mentioned vibration damping groove (3) generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234590.XU CN203900516U (en) | 2014-05-08 | 2014-05-08 | Mechanical clamping rotating graduation lathe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234590.XU CN203900516U (en) | 2014-05-08 | 2014-05-08 | Mechanical clamping rotating graduation lathe tool |
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| Publication Number | Publication Date |
|---|---|
| CN203900516U true CN203900516U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234590.XU Expired - Lifetime CN203900516U (en) | 2014-05-08 | 2014-05-08 | Mechanical clamping rotating graduation lathe tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN203900516U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550985A (en) * | 2017-09-26 | 2019-04-02 | 中国电子科技集团公司第四十八研究所 | A kind of turning cutting tool suitable for processing large-lead screw |
| CN110548938A (en) * | 2018-06-01 | 2019-12-10 | 新疆北方建设集团有限公司 | device and method for machining threads on plate-shaped workpiece |
| CN112024916A (en) * | 2020-09-21 | 2020-12-04 | 中核(天津)科技发展有限公司 | Variable angle formula rotary cutter body |
| CN112548133A (en) * | 2020-12-10 | 2021-03-26 | 天津汉工科技有限公司 | Large helix angle indexable turning tool bar |
-
2014
- 2014-05-08 CN CN201420234590.XU patent/CN203900516U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550985A (en) * | 2017-09-26 | 2019-04-02 | 中国电子科技集团公司第四十八研究所 | A kind of turning cutting tool suitable for processing large-lead screw |
| CN109550985B (en) * | 2017-09-26 | 2021-02-23 | 中国电子科技集团公司第四十八研究所 | Turning tool suitable for processing large-pitch screw |
| CN110548938A (en) * | 2018-06-01 | 2019-12-10 | 新疆北方建设集团有限公司 | device and method for machining threads on plate-shaped workpiece |
| CN112024916A (en) * | 2020-09-21 | 2020-12-04 | 中核(天津)科技发展有限公司 | Variable angle formula rotary cutter body |
| CN112548133A (en) * | 2020-12-10 | 2021-03-26 | 天津汉工科技有限公司 | Large helix angle indexable turning tool bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |