A kind of shockproof lathe tool
Technical field
The present invention relates to field of machining technology more particularly to a kind of shockproof lathe tools.
Background technique
Lathe tool is for turnery processing, with a cutting tipCutter.Lathe tool is most widely used in machining
One of cutter.The working portion of lathe tool is exactly to generate and the part of processing chip, including blade, keeps chip broken or winds up
Structure, chip removal or hold storage chip space,Cutting fluidThe structural elements such as channel.
The cutting tip of lathe tool is by main cutting edge, end cutting edge, rake face, main flank and minor flank, nose angle group
At.The combination of the cutting tip and shank (i.e. clamping part) of lathe tool mainly have monoblock type, welded type, insert and
Welding-insert.
Existing lathe tool, lathe tool in process can and ap value uneven because of material hardness, f value, the selection of vc value not
Reasonable bring lathe tool vibration, thus the problem of influencing processing quality.Meanwhile the sharpening service life of lathe tool can also be made to decline, with
So that processing cost increases.
Therefore, a kind of vibration that can preferably reduce in process how can be designed, can be improved processing matter
Amount, reduces the shockproof lathe tool of processing cost, becoming those skilled in the art has technical problem to be solved.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to design one kind can be more
Vibration in good reduction process, can be improved processing quality, reduces the shockproof lathe tool of processing cost.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of shockproof lathe tool, including tool apron and whole elongated knife bar, the rear end of knife bar is fixed on tool apron, knife bar
Front end is equipped with blade;It is characterized in that, being equipped with shockproof structure, the shockproof structure packet in the lower section that the front end of knife bar corresponds to blade
Mounting hole horizontal on knife bar is included, has shock-proof block along its depth direction is mating in mounting hole, the middle part of shock-proof block is equipped with
Horizontal shaking preventing hole, grafting is combined with shockproof pin in shaking preventing hole;The shock-proof block includes that the upper half that is arranged independently of each other is shockproof
Block and lower half shock-proof block, and upper half shock-proof block and the opposite end face of lower half shock-proof block are set in distance.
In this way, above-mentioned shockproof lathe tool is when in use, blade transmits vibration caused by cutting when cutting workpiece
To knife bar, vibration is generated in each comfortable mounting hole of upper half shock-proof block and lower half shock-proof block on knife bar in shockproof structure, and on
The vibration of opposite direction is respectively transferred to shockproof pin and can cancelled out each other by half shock-proof block and lower half shock-proof block, since upper half is anti-
It shakes block and lower half shock-proof block and generates mechanical high-frequency vibration interference, and then so that offset the part vibration on knife bar, and reach energy
Enough vibrations preferably reduced in process, improve processing quality.And lathe tool is in use, can be improved lathe tool
Service life reduces processing cost.
As optimization, the lower position that blade is corresponded on knife bar is downwardly projecting and form mounting blocks, the mounting hole setting
On mounting blocks, and mounting hole is just arranged through mounting blocks in left and right directions.
In such manner, it is possible to which more convenient mounting hole is arranged on knife bar, and the intensity of knife bar is not influenced;So that entire design is more
Adduction reason.
As optimization, the mounting hole is diamond shape pore structure, and each corner on mounting hole inner peripheral surface is fillet knot
Structure;The section of the shock-proof block integrally assumes diamond in shape structure so that the peripheral surface of shock-proof block and the inner peripheral surface of mounting hole are affixed and match
It closes.
In such manner, it is possible to which convenient process mounting hole, and make upper half shock-proof block and lower half shock-proof block and mounting hole
Cooperation it is more reasonable.
As optimization, the upper half shock-proof block and lower half shock-proof block are center line in symmetrical using the diagonal line of shock-proof block itself
Setting.
In this way, make upper half shock-proof block and lower half shock-proof block respectively and can have towards the movement tendency on obliquely downward and tiltedly,
Enable to upper half shock-proof block and lower half shock-proof block that there is the vibration freedom degree of more direction, it being capable of better and knife bar and knife
The vibration of piece generates interference, to reach the vibration for preferably reducing entire knife bar and blade and being subject to.
As optimization, first diagonal line is that upper end is diagonal towards sweptback one in shock-proof block itself diagonal line
Line.
In this way, the first diagonal line and the angle in blade cut power direction are 30 degree to 60 degree;So that during blade cut
The vibration of generation can preferably be transferred to upper half shock-proof block, and upper half shock-proof block and lower half shock-proof block can preferably receive perpendicular
Act on the vertical and horizontal vibration on knife bar to cutting force so that upper half shock-proof block and lower half shock-proof block respectively receive it is perpendicular
To the vibration with level, so that upper half shock-proof block and lower half shock-proof block can preferably generate mechanical high-frequency vibration interference,
To reach better damping effect.
As optimization, it is equipped with the interface that opening is arranged forward in the upside of knife bar front end surface, the blade grafting is solid
Due in the interface.
In this way, the mounting structure of blade is simpler, more convenient installation fixation can be carried out to blade.
As optimization, it is provided with resigning mouthful equipped with extending back in the upside of interface inner end bottom surface, resigning mouthful is in left and right
Side extends upward through knife bar setting, and the corresponding knife bar for being located at resigning mouthful upper section is made to form lower lock block;And on lower lock block
The inner end of spaced blade be equipped with vertical connecting hole, be equipped in connecting hole and push screw, push the lower end of screw downwards simultaneously
It is threadedly connected to drive lower lock block to move down on knife bar, and the front end of lower lock block is made to apply downward pressure to blade.
In this way, the mounting stability of blade can be adjusted by adjusting screw is pushed, preferably adaptation pair is enabled to
The processing of different workpieces.
As optimization, horizontal compressing hole is additionally provided in the rear end of resigning mouthful, and the diameter of compressing hole is greater than resigning mouthful
Vertical width.
In such manner, it is possible to the pushing angle of more convenient adjustment lower lock block front end, so that lower lock block is not easy to break.
As optimization, the tool apron is integrally in vertically arranged plate structure, is equipped with along the longitudinal direction in the side of tool apron
The mounting groove of setting, the rear end of the knife bar are plugged and fixed in the mounting groove.
In this way, the installation fixed structure between knife bar and tool apron is simpler, the convenient processing to tool apron.And use this
The rear end of knife bar is carried out installation fixation by the mounting structure of sample, enables to knife bar rear end more stable.
As optimization, the upper side of mounting groove is equipped with the sliding slot being arranged along the longitudinal direction, and the upper side in knife bar rear end
Equipped with guide rail along the longitudinal direction, and the guide rail is mating in the sliding slot.
In this way, making the installation accuracy between knife bar and tool apron higher, the machining accuracy of entire lathe tool is improved.
As optimization, the section of the guide rail is in isosceles trapezoidal structure.
In this way, to installation positioning is more accurate in the front-back direction after knife bar left and right directions.
As optimization, the downside of the mounting groove is the acclivitous inclination mounting surface in outer end, and the lower surface of knife bar
For the inclined-plane matched with the inclination mounting surface.
In this way, knife bar is enabled preferably to bear the stress of left and right directions, the installation accuracy of knife bar is improved.
As optimization, the tool apron includes the seat board of lower end and the pressing plate of upper end, and the lower surface of the pressing plate forms described
The upper side of mounting groove, and it is equipped with the sliding slot in the lower surface of pressing plate, and seat board is connected admittedly with pressing plate by threaded fastener
It is fixed, the inclination mounting surface is formed on seat board.
In such manner, it is possible to facilitate the dismounting between knife bar and tool apron, enhanced convenience when use.
As optimization, seat board upper surface is in the step surface stepped up towards the side of mounting groove, and pressing plate lower surface is
The step surface to match with seat board upper surface is to form position limiting structure.
In such manner, it is possible to the installation accuracy between seat board and pressing plate be improved, so that the installation accuracy of knife bar is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (lathe and fixture are not drawn into figure) in the specific embodiment of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
When specific implementation: as shown in Figures 1 to 4, a kind of shockproof lathe tool, including tool apron 1 and whole elongated knife bar
2, the rear end of knife bar is fixed on tool apron, and knife bar front end is equipped with blade 3;It is equipped in the lower section that the front end of knife bar corresponds to blade
Shockproof structure, the shockproof structure include mounting hole horizontal on knife bar, are had in mounting hole along its depth direction is mating
The middle part of shock-proof block 4, shock-proof block is equipped with horizontal shaking preventing hole, and grafting is combined with shockproof pin 5 in shaking preventing hole;The shock-proof block packet
Include the upper half shock-proof block 6 and lower half shock-proof block 7 being arranged independently of each other, and upper half shock-proof block and the opposite end face of lower half shock-proof block are in
Interval setting.
In this way, above-mentioned shockproof lathe tool is when in use, blade transmits vibration caused by cutting when cutting workpiece
To knife bar, vibration is generated in each comfortable mounting hole of upper half shock-proof block and lower half shock-proof block on knife bar in shockproof structure, and on
The vibration of opposite direction is respectively transferred to shockproof pin and can cancelled out each other by half shock-proof block and lower half shock-proof block, since upper half is anti-
It shakes block and lower half shock-proof block and generates mechanical high-frequency vibration interference, and then so that offset the part vibration on knife bar, and reach energy
Enough vibrations preferably reduced in process, improve processing quality.And lathe tool is in use, can be improved lathe tool
Service life reduces processing cost.
In present embodiment, the lower position that blade 3 is corresponded on knife bar 2 is downwardly projecting and form mounting blocks 8, described
Mounting hole is arranged on mounting blocks, and mounting hole is just arranged through mounting blocks in left and right directions.
In such manner, it is possible to which more convenient mounting hole is arranged on knife bar, and the intensity of knife bar is not influenced;So that entire design is more
Adduction reason.
In present embodiment, the mounting hole is diamond shape pore structure, and each corner on mounting hole inner peripheral surface is equal
For rounded structure;The section of the shock-proof block 5 integrally assume diamond in shape structure so that shock-proof block peripheral surface and mounting hole it is interior
Circumferential surface is affixed cooperation.
In such manner, it is possible to which convenient process mounting hole, and make upper half shock-proof block and lower half shock-proof block and mounting hole
Cooperation it is more reasonable.
In present embodiment, during the upper half shock-proof block 6 and lower half shock-proof block 7 with the diagonal line of shock-proof block itself be
Heart line is symmetrical set.
In this way, make upper half shock-proof block and lower half shock-proof block respectively and can have towards the movement tendency on obliquely downward and tiltedly,
Enable to upper half shock-proof block and lower half shock-proof block that there is the vibration freedom degree of more direction, it being capable of better and knife bar and knife
The vibration of piece generates interference, to reach the vibration for preferably reducing entire knife bar and blade and being subject to.
In present embodiment, first diagonal line be in shock-proof block itself diagonal line upper end towards sweptback one
Root diagonal line.
In this way, the first diagonal line and the angle in blade cut power direction are 30 degree to 60 degree;So that during blade cut
The vibration of generation can preferably be transferred to upper half shock-proof block, and upper half shock-proof block and lower half shock-proof block can preferably receive perpendicular
Act on the vertical and horizontal vibration on knife bar to cutting force so that upper half shock-proof block and lower half shock-proof block respectively receive it is perpendicular
To the vibration with level, so that upper half shock-proof block and lower half shock-proof block can preferably generate mechanical high-frequency vibration interference,
To reach better damping effect.
In present embodiment, the interface that opening is arranged forward, the knife are equipped in the upside of 2 front end surface of knife bar
Piece 3 is plugged and fixed in the interface.
In this way, the mounting structure of blade is simpler, more convenient installation fixation can be carried out to blade.
In present embodiment, it is provided with resigning mouthful 9 equipped with extending back in the upside of interface inner end bottom surface, is stepped down
Mouth is arranged through knife bar in the lateral direction, and the corresponding knife bar for being located at resigning mouthful upper section is made to form lower lock block 10;And
The inner end of spaced blade on lower lock block is equipped with vertical connecting hole, is equipped in connecting hole and pushes screw 11, pushes screw
Lower end downwards and be threadedly connected to drive lower lock block to move down on knife bar, and make the front end of lower lock block to blade apply
Downward pressure.
In this way, the mounting stability of blade can be adjusted by adjusting screw is pushed, preferably adaptation pair is enabled to
The processing of different workpieces.
In present embodiment, horizontal compressing hole 12 is additionally provided in the rear end of resigning mouthful, and the diameter of compressing hole is big
In the vertical width of resigning mouthful.
In such manner, it is possible to the pushing angle of more convenient adjustment lower lock block front end, so that lower lock block is not easy to break.
In present embodiment, the whole tool apron 1 is in vertically arranged plate structure, is equipped with edge in the side of tool apron
The mounting groove of front-rear direction setting, the rear end of the knife bar is plugged and fixed in the mounting groove.
In this way, the installation fixed structure between knife bar and tool apron is simpler, the convenient processing to tool apron.And use this
The rear end of knife bar is carried out installation fixation by the mounting structure of sample, enables to knife bar rear end more stable.
In present embodiment, the upper side of mounting groove is equipped with the sliding slot being arranged along the longitudinal direction, and in 2 rear end of knife bar
Upper side be equipped with guide rail 13 along the longitudinal direction, and the guide rail is mating in the sliding slot.
In this way, making the installation accuracy between knife bar and tool apron higher, the machining accuracy of entire lathe tool is improved.
In present embodiment, the section of the guide rail 13 is in isosceles trapezoidal structure.
In this way, to installation positioning is more accurate in the front-back direction after knife bar left and right directions.
In present embodiment, the downside of the mounting groove is the acclivitous inclination mounting surface in outer end, and knife bar 2
Lower surface be and the inclined-plane that matches of inclination mounting surface.
In this way, knife bar is enabled preferably to bear the stress of left and right directions, the installation accuracy of knife bar is improved.
In present embodiment, the seat board 14 of the tool apron 1 including lower end and the pressing plate 15 of upper end, under the pressing plate
Surface forms the upper side of the mounting groove, and is equipped with the sliding slot in the lower surface of pressing plate, and seat board and pressing plate pass through screw thread
Fastener is connected and fixed, and the inclination mounting surface is formed on seat board.
In such manner, it is possible to facilitate the dismounting between knife bar and tool apron, enhanced convenience when use.
In present embodiment, seat board upper surface is in the step surface that steps up towards the side of mounting groove, and pressing plate
Lower surface is the step surface that matches with seat board upper surface to form position limiting structure.
In such manner, it is possible to the installation accuracy between seat board and pressing plate be improved, so that the installation accuracy of knife bar is higher.
In present embodiment, the material of upper half shock-proof block and lower half shock-proof block is brass.
In such manner, it is possible to the convenient processing and manufacturing to upper half shock-proof block and lower half shock-proof block.Also, the material of itself and knife bar one's duty
Matter is not identical, so that vibration frequency between the two is not also identical, can preferably prevent resonance between the two, and knife bar
Vibration preferably can be transferred to upper half shock-proof block and lower half shock-proof block, then shake is generated by upper half shock-proof block and lower half shock-proof block
After dynamic and offset.
In present embodiment, the material of shockproof pin is metal material, brass, steel or alloy material.
In this way, vibration preferably can be transferred to shockproof pin, and mutual counteracting by upper half shock-proof block and lower half shock-proof block.