CN202240635U - Offline quick-change tool setting device for fly cutter blade - Google Patents

Offline quick-change tool setting device for fly cutter blade Download PDF

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Publication number
CN202240635U
CN202240635U CN2011201266269U CN201120126626U CN202240635U CN 202240635 U CN202240635 U CN 202240635U CN 2011201266269 U CN2011201266269 U CN 2011201266269U CN 201120126626 U CN201120126626 U CN 201120126626U CN 202240635 U CN202240635 U CN 202240635U
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China
Prior art keywords
fly cutter
tool setting
cutter blade
quick change
change tool
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CN2011201266269U
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Chinese (zh)
Inventor
赵登军
关中华
刘红军
张树萍
张华�
张凯
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Shandong Iron and Steel Group Co Ltd SISG
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Jinan Iron and Steel Co Ltd
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Abstract

The utility model discloses an offline quick-change tool setting device for a fly cutter blade, which comprises a quick-change tool setting assembly and a tool setting fixture. The bottom of the quick-change tool setting assembly is provided with a positioning portion for positioning a fly cutter bar, the tool setting fixture is slidably arranged on a guide sliding rail of the quick-change tool setting assembly for a locking nut and provided with an arc surface, a first matching surface and a second matching surface, the arc surface is matched with the fly cutter bar with the locking nut, the first matching surface fits with a rake face of the fly cutter blade, the second matching surface fits with the periphery surface of the fly cutter blade, and an included angle formed between the first matching surface of the locking nut and the axis of the fly cutter bar with the locking nut is equal to a helical angle of threaded steel to be machined. The offline quick-change tool setting device solves the problems that a cutter bar of a thread milling machine with a fly cutter for machining crescent slots on finished threaded steel rollers is complicated in assembly, and the clamping angle of the fly cutter blade is unstable and completely relies on visual observation. The same clamping angle of the fly cutter blade can be ensured after tool setting every time, uniformity of the dimensions of the crescent slots is ensured after the crescent slots are milled by a numerical control milling machine with a fly cutter, and accordingly, machining precision and stability of the machining precision of the crescent slots are ensured.

Description

Fly cutter blade off-line quick change tool setting device
Technical field
The utility model relates to screw-thread steel polishing roll crescent Special Purpose Machine for Processing technical field, particularly a kind of fly cutter blade off-line quick change tool setting device.
Background technology
Screw-thread miller is a screw-thread steel polishing roll crescent Special Purpose Machine for Processing, is divided into numerical control swinging head screw-thread miller and numerical control fly cutter screw-thread miller.The numerical control swinging head screw-thread miller is widely used in the nineties in last century, and its milling crescent precision is low, and milling efficiency is low, and labor intensity of operating personnel is big.Numerical control fly cutter screw-thread miller results from the beginning of this century, and its processing crescent precision is high, and milling efficiency is high, and under equal hardness roll crescent processing conditions, its efficient is more than 3 times of yaw screw-thread miller, obtains the extensive use of screw-thread steel manufacturer.
The range of work of numerical control fly cutter screw-thread miller is in screw thread
Figure BDA0000057583660000011
; To the relative screw-thread steel roll crescent of processing than small dimension; Required knife bar diameter and blade radius are less relatively; Knife bar and blade strength are low; When the processing crescent, if parameter is selected problems such as improper easy generation knife bar fracture and blade tipping, tool changing is frequent relatively.To the big specification screw-thread steel roll crescent of processing, knife bar diameter and blade radius are relatively large, and knife bar and blade strength are high, normal tool changing behind the blade abrasion.No matter be the relative screw-thread steel roll crescent than small dimension of big specification screw-thread steel roll crescent of processing or processing, after use a period of time, blade all can be worn, and therefore need change cutter.
At present; Manual mode is generally adopted in the tool changing of numerical control fly cutter screw-thread miller, and blade through range estimation mode confirms all that with respect to cutter spindle line angle degree and blade radius of gyration direction of measurement it is inaccurate to cause Angular Dimension and linear dimension to be measured; The tool changing inefficiency; The blade spatial position precision can't guarantee that processing crescent grooved is inconsistent after each tool changing, has influence on screw-thread steel product appearance quality.
Therefore, how solving tool changing precision and efficiency, and simple and accurate confirm blade with respect to knife bar locus Angular Dimension and linear dimension, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the utility model provides a kind of fly cutter blade off-line quick change tool setting device, and is loaded down with trivial details with the assembling of fly cutter screw-thread miller knife bar to solve the processing of screw-thread steel polishing roll crescent, the drawback of the fly cutter blade clamping angle instability and the range estimation that places one's entire reliance upon.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of fly cutter blade off-line quick change tool setting device comprises:
Quick change tool setting assembly, its bottom has the location division of location fly cutter knife bar;
The tool setting jig; It slidably is arranged on the directive slide track of said quick change tool setting assembly; It has the curved surfaces adaptive with said fly cutter knife bar, first mating surface of fitting with the rake face of fly cutter blade and second mating surface of fitting with the outer peripheral face of fly cutter blade, and said first mating surface equates with the helical angle of screw-thread steel to be processed with the angle of said fly cutter knife bar axis.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, also comprise the retractor device that is arranged on the said quick change tool setting assembly, and the axis of the axis of its extension bar and said second mating surface is located along the same line.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, the extreme lower position of said extension bar equates with the radius of gyration of said fly cutter blade and the radius sum of said fly cutter knife bar apart from the distance of said location division.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, said retractor device is the spacing tool setting screw rod of threaded engagement in said quick change tool setting assembly screw top hole.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, on the said spacing tool setting screw rod, and the top that is positioned at said screwed hole is provided with locking nut,
The lower surface of said spacing tool setting screw rod deducts the distance of said locking nut apart from the upper surface of said screwed hole apart from the distance of said location division, equates with the radius of gyration of said fly cutter blade and the radius sum of said fly cutter knife bar.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, said tool setting jig is provided with the guide chute that is slidingly matched with said directive slide track.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, said guide chute is formed by said tool setting jig with through the slide plate on bolt to this tool setting jig.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, also comprise being arranged on the said slide plate, and the lock screw that can offset with said directive slide track.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, said second mating surface and said first mating surface are two, and the both sides that are arranged on said tool setting jig that are symmetrically distributed.
Preferably, in above-mentioned fly cutter blade off-line quick change tool setting device, said location division specifically comprises:
Being arranged on being used on the bottom base of said quick change tool setting assembly places said fly cutter knife bar arc-shaped slot, and the diameter of this arc-shaped slot is identical with the diameter of said fly cutter knife bar;
Be arranged on this arc-shaped slot one side, locate the benchmark positioning step of said fly cutter knife bar axial location.
Can find out that from above-mentioned technical scheme the quick tool setting assembly that is used to locate the fly cutter knife bar that the utility model provides during clamping fly cutter blade, can be positioned over the fly cutter knife bar on this quick tool setting assembly.Slidably be arranged on the tool setting jig on the directive slide track of quick change tool setting assembly, it is used to adjust the helical angle of fly cutter blade.This tool setting jig has the curved surfaces adaptive with the fly cutter knife bar, during tool setting, the tool setting jig is glided along directive slide track, and the curved surfaces to the tool setting jig and the outer surface of fly cutter knife bar are fitted.Directive slide track also has first mating surface of fitting with the rake face of fly cutter blade and second mating surface of fitting with the outer peripheral face of fly cutter blade; When the tool setting jig slides to curved surfaces and fly cutter knife bar on it under directive slide track outer surface is fitted; First mating surface of this moment and the rake face of fly cutter blade are fitted, and the outer surface of second mating surface and fly cutter knife bar is fitted.
Because first mating surface equates with the helical angle of screw-thread steel to be processed with the angle of fly cutter knife bar axis; So, can the rake face of fly cutter blade be defined as with the helical angle of screw-thread steel to be processed with the angle of fly cutter knife bar axis and equate through the restriction of first mating surface and second mating surface.The fly cutter blade off-line quick change tool setting device that the utility model provides; Fit through sliding under the tool setting jig with the outer peripheral face of fly cutter knife bar; And the rake face of adjustment fly cutter blade contacts with first mating surface, can guarantee that the rake face of this fly cutter blade and the axis angle of fly cutter knife bar meet the demands.It is loaded down with trivial details with the assembling of fly cutter screw-thread miller knife bar that the utility model has solved the processing of screw-thread steel polishing roll crescent; The drawback of the fly cutter blade clamping angle instability and the range estimation that places one's entire reliance upon; Can guarantee that the fly cutter blade clamping angle after each tool setting is identical; After having guaranteed numerical control fly cutter milling machine milling crescent, the uniformity of crescent size, thus guaranteed the stability of crescent machining accuracy and machining accuracy thereof.
In another preferred version of the utility model; On quick change tool setting assembly, retractor device is set; And make the axis of its extension bar and the axis of second mating surface be located along the same line; And the distance of the extreme lower position of extension bar location division on the quick change tool setting assembly equates with the radius of gyration of fly cutter blade and the radius sum of fly cutter knife bar.Behind the angle of adjusting fly cutter blade rake face and fly cutter knife bar axis; Expansion link through driving retractor device is displaced downwardly to extreme lower position; Extension bar will promote the fly cutter blade and move down along the insert groove on the fly cutter knife bar this moment, until the radius of gyration requirement of satisfying adjusted fly cutter blade.Through this device, can guarantee that the radius of gyration of fly cutter blade of each adjustment is identical, guaranteed numerical control fly cutter milling machine milling crescent after, the uniformity of crescent size, thus guaranteed the stability of crescent machining accuracy and machining accuracy thereof.
Description of drawings
The structural representation of the fly cutter blade off-line quick change tool setting device that Fig. 1 provides for the utility model embodiment;
Fig. 2 be among Fig. 1 A to partial view;
The structural representation of the fly knife device that Fig. 3 provides for the utility model embodiment;
The sectional structure sketch map of the fly knife device that Fig. 4 provides for the utility model embodiment;
The structural representation of the tool setting jig that Fig. 5 provides for the utility model embodiment;
Fig. 6 is the vertical view of Fig. 5.
The specific embodiment
The utility model discloses a kind of fly cutter blade off-line quick change tool setting device, loaded down with trivial details to solve the processing of screw-thread steel polishing roll crescent with the assembling of fly cutter screw-thread miller knife bar, the drawback of the fly cutter blade clamping angle instability and the range estimation that places one's entire reliance upon.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 5, the structural representation of the fly cutter blade off-line quick change tool setting device that Fig. 1 provides for the utility model embodiment; Fig. 2 be among Fig. 1 A to partial view; The structural representation of the fly knife device that Fig. 3 provides for the utility model embodiment; The sectional structure sketch map of the fly knife device that Fig. 4 provides for the utility model embodiment; The structural representation of the tool setting jig that Fig. 5 provides for the utility model embodiment; Fig. 6 is the vertical view of Fig. 5.
The fly cutter blade off-line quick change tool setting device that the utility model provides comprises quick change tool setting assembly 3 and tool setting jig 4.Wherein, the bottom of quick change tool setting assembly 3 has the location division of location fly cutter knife bar 9, can fly cutter knife bar 9 be positioned on this location division during tool setting, and this location division can be bathtub construction, to prevent also can to make 9 rotations of fly cutter knife bar in less external force effect, influences tool setting.Quick change tool setting assembly 3 also has the directive slide track that is positioned at the top, location division, and this directive slide track is used to realize the slip of tool setting jig 4.
Tool setting jig 4 slidably is arranged on the directive slide track of quick change tool setting assembly 3; It has the curved surfaces adaptive with fly cutter knife bar 9, first mating surface of fitting with the rake face of fly cutter blade 8 and second mating surface (its radius equates with the radius R 1 of fly cutter blade 8) of fitting with the outer peripheral face of fly cutter blade 8, and first mating surface equates with the helical angle of screw-thread steel to be processed with the angle of fly cutter knife bar 9 axis.Through can this tool setting jig 4 being pressed on the fly cutter knife bar with fly cutter knife bar 9 adaptive curved surfaces; If the location division is the arc surface adaptive with fly cutter knife bar 9; When the outer peripheral face that slides to its curved surfaces and fly cutter knife bar 9 for 4 times when the cutter jig is fitted, surround diameter of a circle by the curved surfaces of cutter jig 4 and location division and equate with the diameter
Figure BDA0000057583660000051
of fly cutter knife bar 9.
The quick tool setting assembly that is used to locate the fly cutter knife bar that the utility model provides when clamping fly cutter blade 8, can be positioned over fly cutter knife bar 9 on the location division of these quick tool setting assembly 3 bottoms.Slidably be arranged on the helical angle that tool setting jig 4 on the directive slide track of quick change tool setting assembly 3 is used to adjust fly cutter blade 8.This tool setting jig 4 has the curved surfaces adaptive with fly cutter knife bar 9; During tool setting; Tool setting jig 4 is glided along directive slide track, and the curved surfaces to the tool setting jig 4 and the outer surface applying of fly cutter knife bar 9 can limit the rotation of fly cutter knife bar 9 to a certain extent after the applying.Tool setting jig 4 also has first mating surface of fitting with the rake face of fly cutter blade 8 and second mating surface of fitting with the outer peripheral face of fly cutter blade 8; When tool setting jig 4 slides to curved surfaces and fly cutter knife bar 9 on it under directive slide track outer surface is fitted; First mating surface of this moment and the rake face of fly cutter blade 8 are fitted, and the outer surface of second mating surface and fly cutter knife bar 9 is fitted.
Because first mating surface equates with the helixangle of screw-thread steel to be processed with the angle of fly cutter knife bar 9 axis; So, can the rake face of fly cutter blade 8 be defined as with the helixangle of screw-thread steel to be processed with the angle of fly cutter knife bar 9 axis and equate through the restriction of first mating surface and second mating surface.The fly cutter blade off-line quick change tool setting device that the utility model provides; Slide to for 4 times with the outer peripheral face of fly cutter knife bar 9 through the tool setting jig and to fit; And the rake face of adjustment fly cutter blade 8 contacts with first mating surface, can guarantee that the rake face of this fly cutter blade meets the demands with the axis angle of fly cutter knife bar (this angle equates with the helixangle of screw-thread steel to be processed).It is loaded down with trivial details with the assembling of fly cutter screw-thread miller knife bar that the utility model has solved the processing of screw-thread steel polishing roll crescent; The drawback of the fly cutter blade clamping angle instability and the range estimation that places one's entire reliance upon; Can guarantee that the fly cutter blade clamping angle after each tool setting is identical; After having guaranteed numerical control fly cutter milling machine milling crescent, the uniformity of crescent size, thus guaranteed the stability of crescent machining accuracy and machining accuracy thereof.
For the radius of gyration P that realizes the fly cutter blade 8 after each tool setting identical; When promptly repeatedly repeating tool changing operation; The radius of gyration P size of fly cutter blade 8 is unified; The utility model also comprises the retractor device 1 that is arranged on the quick change tool setting assembly 3, and the axis of the axis of its extension bar and second mating surface is located along the same line.Retractor device 1 is used to realize the adjustment of the radius of gyration P of fly cutter blade 8, and the extreme lower position of retractor device 1 extension bar can guarantee the radius of gyration P of fly cutter blade 8.The vertical height of the least significant end when extension bar is positioned at extreme position (lower end) is identical; Because the axis of extension bar and the axis of second mating surface are located along the same line; So extension bar and fly cutter blade 8 are located along the same line; When extension bar moves down, promote fly cutter blade 8 and move down along the insert groove on the fly cutter knife bar 9, move to the extreme position of least significant end until extension bar.
The extreme lower position of extension bar is apart from the distance of location division, and the distance P 1 of stretching out the opposite side of fly cutter blade 8 with the top of fly cutter blade 8 apart from fly cutter knife bar 9 equates, equates with the radius of gyration P of fly cutter blade 8 and the radius sum of fly cutter knife bar 9 in other words.The extreme lower position of extension bar can be through this retractor device 1 and extension bar stretch out limiting length adjustment; To satisfy any radius of gyration fly cutter blade 8; But need to prove; In case retractor device 1 the stretching out limiting length and confirm of position and extension bar thereof is set after, all equate through the radius of gyration P of the fly cutter blade 8 after its each tool setting.
Based on above-mentioned setting; The utility model is behind the angle of adjusting fly cutter blade 8 rake faces and fly cutter knife bar 9 axis; Expansion link through driving retractor device 1 is displaced downwardly to extreme lower position; Extension bar will promote fly cutter blade 8 and move down along the insert groove on the fly cutter knife bar 9 this moment, require (being in the extreme position of extension bar at this moment just) until the radius of gyration that satisfies adjusted fly cutter blade.Through this device, can guarantee that the radius of gyration of fly cutter blade 8 of each adjustment is identical, guaranteed numerical control fly cutter milling machine milling crescent after, the uniformity of crescent size, thus guaranteed the stability of crescent machining accuracy and machining accuracy thereof.
Retractor device 1 can be cylinder, rail sliding apparatus or screw rod, is that example is described in detail in the present embodiment with the screw rod.The top of quick change tool setting assembly 3 is provided with screwed hole, and retractor device 1 is a spacing tool setting screw rod, the screw top hole threaded engagement of this spacing tool setting screw rod and quick change tool setting assembly 3.Top at spacing tool setting screw rod is provided with knob, so that rotate this spacing tool setting screw rod, realizes that it moves axially.On the spacing tool setting screw rod; And the top that is positioned at screwed hole is provided with locking nut 2; The lower surface of spacing tool setting screw rod deducts the distance of locking nut 2 apart from the upper surface of screwed hole far from the distance P 2 of location division; The distance P 1 of stretching out the opposite side of fly cutter blade 8 with the top of fly cutter blade 8 apart from fly cutter knife bar 9 equates that P1 is a fly cutter blade position controlling dimension, and P1 is the radius sum of the radius of gyration P and the fly cutter knife bar 9 of fly cutter blade 8.
Tool setting jig 4 is provided with the guide chute that is slidingly matched with directive slide track, and this guide chute is formed by tool setting jig 4 with through the slide plate 5 on bolt to this tool setting jig 4.Slide plate 5 connects with tool setting jig 4 usefulness bolts 7, and tool setting jig 4 forms the directed moving sets that can come and go slip with directive slide track.
In order to realize tool setting jig 4 in the tool setting fixed-site, the utility model also comprises and being arranged on the slide plate 5, and the lock screw 6 that can offset with directive slide track.Lock screw 6 is used for confirming the operating position of tool setting jig 4 on directive slide track; The curved surfaces and the location division that are cutter jig 4 surround when diameter of a circle is
Figure BDA0000057583660000071
; Rotate this lock screw 6; Itself and directive slide track are offseted, thereby tool setting jig 4 is fixed on this operating position.
Because the helical angle of screw-thread steel polishing roll crescent is divided left-handed and two kinds of dextrorotation; Carry out tool setting in order to realize that fly cutter blade off-line quick change tool setting device can be respectively applied for to processing left-handed and fly cutter blade dextrorotation; The utility model all is made as two with second mating surface and first mating surface, and the both sides that are arranged on tool setting jig 4 that are symmetrically distributed.Because the both sides that are arranged on tool setting jig 4 of two cover mating surface (i.e. first mating surface and second mating surface) symmetries; So first mating surface that is arranged at both sides respectively is with certain the datum plane symmetry on the tool setting jig 4; Second mating surface that is arranged at both sides simultaneously respectively is also with this datum plane symmetry, so the tool setting jig 4 that the utility model provides can realize to helical angle being that the left-handed of β carried out the tool setting processing with the dextrorotation fly knife device.
Location division on the quick change tool setting assembly 3 that the utility model provides can specifically comprise:
Be arranged on and be used to place fly cutter knife bar 9 arc-shaped slots on the bottom base of quick change tool setting assembly 3, the diameter with fly cutter knife bar 9 of the diameter of this arc-shaped slot is identical; Be arranged on this arc-shaped slot one side, the benchmark positioning step of location fly cutter knife bar 9 axial locations, the positioning reference plane f of this benchmark positioning step.Has the locating surface of fitting on the fly cutter knife bar 9 with this positioning reference plane f; Fly cutter blade orientation distance P3 is by the distance between the axis of the locating surface on the fly cutter knife bar 9 to fly cutter blade 8, fly cutter blade orientation distance P3 also with the axis of positioning reference plane f to the second mating surface between distance equate.
Fly cutter blade quick change presetting cutter method is with pre-assembled fly cutter knife bar 9, horizontal positioned in quick change tool setting assembly 3 arc-shaped slots, the locating surface of fly cutter knife bar 9 and positioning reference plane f applying, confirm insert groove the fly cutter cutter spindle to the position.Rotating fly-bar knife bar 9 makes fly cutter blade 8 be positioned at the vertical survey direction of the radius of gyration; Directed slip tool setting jig 4; Reach the arc radius R1 of fly cutter knife bar 9 diameter dimensions
Figure BDA0000057583660000081
locking tool setting jig 4, the second mating surfaces, Angular Dimension β simple and direct accurate the confirm direction of measurement of fly cutter blade 8 and angle (the being the crescent helical angle) direction of rake face and knife bar axis thereof of first mating surface.
Rotation spacing tool setting screw rod, minification P2 is close to the last working face of quick change tool setting assembly 3 until 2 times working faces of locking nut, and size P2 progressively is contracted to size P1 and overlaps, and the radius of gyration P of fly cutter blade 8 is simple and direct to be decided accurately.The nut 11 that on bench vice, screws up with a wrench makes blade push rod 10 withstand fly cutter blade 8, and the tool setting of fly cutter blade quick change is accomplished.
Fly cutter blade quick change tool setting device is embodied in the knife bar assembly quick change tool setting of machining screw steel
Figure BDA0000057583660000082
specification crescent.
Field machining screw thread
Figure BDA0000057583660000083
specification polishing roll crescent; Roll pass design internal diameter nominal dimension is 11.5mm, and GB GB1499.2-2007 confirms that the fly cutter blade radius of gyration is less than 11.5/2=R5.75mm; Terminal maximal clearance 3.7mm confirms that the blade radius of gyration is greater than R5.25mm; The high 1.4mm of rib; Confirm that the knife bar diameter less than 65 ° of
Figure BDA0000057583660000084
cross rib helical angles, confirms that blade rake face and knife bar center line angle are 65 °.
Flying Arbor nine selected diameter
Figure BDA0000057583660000085
knife blade
8 diameters
Figure BDA0000057583660000086
Flying Center height dimensions 145mm; the right tool changer Technical parameters: P = 5.7mm,
Figure BDA0000057583660000087
P3 = 145mm, β = 65 °, R1 = 2mm.
The knife bar assembly is assembled in advance; The qualified standard fly cutter blade 8 of reconditioning is installed; According to the rough angle β that confirms fly cutter blade rake face and fly cutter knife bar 9 axis of screw-thread steel crescent rotation direction range estimation; Fly cutter blade 8 is placed radius of gyration maximum position, blade push rod 10 and nut 11 are installed, manually tightening nuts 11.
The knife bar component level is placed in quick change tool setting assembly 3 arc-shaped slots, and the locating surface of fly cutter knife bar 9 and positioning reference plane f fit, confirm insert groove the fly cutter cutter spindle to the position.Rotating fly-bar knife bar 9; Fly cutter blade 8 is placed radius of gyration vertical survey direction; Directed slip tool setting jig 4 moves down; The diameter that reaches fly cutter knife bar 9 diameter dimensions
Figure BDA0000057583660000088
tool setting jig 4 is the vertical survey direction that second mating surface of R1 is confirmed fly cutter blade 8 radius of gyration P; Guarantee radius of gyration duplicate measurements precision; The guiding surface of arc jig guides the angle β of rake face and knife bar axis to reach 65 ° automatically, is the helical angle of processing crescent, locking tool setting jig 4.
Rotation spacing tool setting screw rod; Minification P2 progressively; The fly cutter blade radius of gyration dwindles; The last working face of being close to quick change tool setting assembly 3 until locking nut 2 operative end surface; Reach spacing size P1
Figure BDA0000057583660000091
thus the radius of gyration P that has confirmed the fly cutter blade is 5.7mm; In the knife bar assembly course of work fly cutter tactical diameter for
Figure BDA0000057583660000092
with the spanner nut 11 of screwing; Fly cutter blade 8 is clamped; Recover the service behaviour of fly cutter knife bar assembly simple and accurately; The knife bar assembly is installed to machining screw on the screw-thread miller
Figure BDA0000057583660000093
specification roll crescent, and specifications parameter meets GB GB1499.2-2007 required precision.
Fly cutter blade quick change tool setting device is embodied in the knife bar assembly quick change tool setting of machining screw steel
Figure BDA0000057583660000094
specification crescent.
Field machining screw thread
Figure BDA0000057583660000095
specification polishing roll crescent; Roll pass internal diameter nominal dimension is 24.2mm; In GB GB1499.2-2007 specification requirement, the fly cutter blade radius of gyration is less than 24.2/2=R12.1mm; Terminal maximal clearance 7.7mm confirms that the blade radius of gyration is greater than R10.8mm; The high 2.4mm of rib; Then fly cutter knife bar diameter confirms that less than 65 ° of
Figure BDA0000057583660000096
cross rib helical angles blade rake face and knife bar center line angle are 65 °.
Flying Arbor nine selected diameter
Figure BDA0000057583660000097
knife blade
8 diameters
Figure BDA0000057583660000098
Flying Center height dimensions 145mm; the right tool changer Technical parameters: P = 11.85mm, P3 = 145mm, β = 65 °, R1 = 4mm.
The knife bar assembly is assembled in advance; The qualified standard fly cutter blade 8 of reconditioning is installed; According to the rough angle β that confirms fly cutter blade rake face and fly cutter knife bar 9 axis of screw-thread steel crescent rotation direction range estimation; Fly cutter blade 8 is placed radius of gyration maximum position, blade push rod 10 and nut 11 are installed, manually tightening nuts 11.
The knife bar component level is placed in quick change tool setting assembly 3 arc-shaped slots, and the locating surface of fly cutter knife bar 9 and positioning reference plane f fit, confirm insert groove the fly cutter cutter spindle to the position.Rotating fly-bar knife bar 9; Fly cutter blade 8 is placed radius of gyration vertical survey direction; Directed slip tool setting jig 4 moves down; The diameter that reaches fly cutter knife bar 9 diameter dimensions
Figure BDA00000575836600000910
tool setting jig 4 is the vertical survey direction that second mating surface of R1 is confirmed fly cutter blade 8 radius of gyration P; Guarantee radius of gyration duplicate measurements precision; The guiding surface of arc jig guides the angle β of rake face and knife bar axis to reach 65 ° automatically, the helical angle of promptly processing crescent, locking tool setting jig 4.
Rotation spacing tool setting screw rod; Minification P2 progressively; The fly cutter blade radius of gyration dwindles; The last working face of being close to quick change tool setting assembly 3 until locking nut 2 operative end surface; Reach spacing size P1
Figure BDA0000057583660000101
thus the radius of gyration P that has confirmed the fly cutter blade is 11.85mm; The fly cutter tactical diameter is 24mm for
Figure BDA0000057583660000102
roll pass bottom outlet opening size in the knife bar assembly course of work; Gap values between rollers is 2.5mm, has guaranteed that the terminal spacing of cross rib meets specification requirement.With the spanner nut 11 of screwing; Fly cutter blade 8 is clamped; Recover the service behaviour of fly cutter knife bar assembly simple and accurately; The knife bar assembly is installed to machining screw on the screw-thread miller specification roll crescent, and specifications parameter meets GB GB1499.2-2007 requirement.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (10)

1. a fly cutter blade off-line quick change tool setting device is characterized in that, comprising:
Quick change tool setting assembly (3), its bottom has the location division of location fly cutter knife bar (9);
Tool setting jig (4); It slidably is arranged on the directive slide track of said quick change tool setting assembly (3); It has the curved surfaces adaptive with said fly cutter knife bar (9), first mating surface of fitting with the rake face of fly cutter blade (8) and second mating surface of fitting with the outer peripheral face of fly cutter blade (8), and said first mating surface equates with the helical angle of screw-thread steel to be processed with the angle of said fly cutter knife bar (9) axis.
2. fly cutter blade off-line quick change tool setting device as claimed in claim 1 is characterized in that, also comprise the retractor device (1) that is arranged on the said quick change tool setting assembly (3), and the axis of the axis of its extension bar and said second mating surface is located along the same line.
3. fly cutter blade off-line quick change tool setting device as claimed in claim 2 is characterized in that, the extreme lower position of said extension bar equates with the radius of gyration of said fly cutter blade (8) and the radius sum of said fly cutter knife bar (9) apart from the distance of said location division.
4. fly cutter blade off-line quick change tool setting device as claimed in claim 2 is characterized in that, said retractor device (1) is the spacing tool setting screw rod of threaded engagement in said quick change tool setting assembly (3) screw top hole.
5. fly cutter blade off-line quick change tool setting device as claimed in claim 4 is characterized in that, on the said spacing tool setting screw rod, and the top that is positioned at said screwed hole is provided with locking nut (2),
The lower surface of said spacing tool setting screw rod deducts the distance of said locking nut (2) apart from the upper surface of said screwed hole apart from the distance of said location division, equates with the radius of gyration of said fly cutter blade (8) and the radius sum of said fly cutter knife bar (9).
6. like each described fly cutter blade off-line quick change tool setting device of claim 1-5, it is characterized in that said tool setting jig (4) is provided with the guide chute that is slidingly matched with said directive slide track.
7. fly cutter blade off-line quick change tool setting device as claimed in claim 6 is characterized in that, said guide chute is formed by said tool setting jig (4) with through the slide plate (5) on bolt to this tool setting jig (4).
8. fly cutter blade off-line quick change tool setting device as claimed in claim 7 is characterized in that, also comprises being arranged on the said slide plate (5), and the lock screw (6) that can offset with said directive slide track.
9. like each described fly cutter blade off-line quick change tool setting device of claim 1-5, it is characterized in that said second mating surface and said first mating surface are two, and the both sides that are arranged on said tool setting jig (4) that are symmetrically distributed.
10. like each described fly cutter blade off-line quick change tool setting device of claim 1-5, it is characterized in that said location division specifically comprises:
Be arranged on and be used to place said fly cutter knife bar (9) arc-shaped slot on the bottom base of said quick change tool setting assembly (3), the diameter of this arc-shaped slot is identical with the diameter of said fly cutter knife bar (9);
Be arranged on this arc-shaped slot one side, locate the benchmark positioning step of said fly cutter knife bar (9) axial location.
CN2011201266269U 2011-04-26 2011-04-26 Offline quick-change tool setting device for fly cutter blade Expired - Lifetime CN202240635U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201266269U CN202240635U (en) 2011-04-26 2011-04-26 Offline quick-change tool setting device for fly cutter blade

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152150A (en) * 2011-04-26 2011-08-17 莱芜钢铁股份有限公司 Offline rapid change tool setting device of fly cutter blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152150A (en) * 2011-04-26 2011-08-17 莱芜钢铁股份有限公司 Offline rapid change tool setting device of fly cutter blade

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Owner name: SHANDONG STEEL CO., LTD.

Free format text: FORMER NAME: JINAN IRON AND STEEL CO LTD

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Address after: 250101 Ji'nan Industrial Road, Shandong, No. 21

Patentee after: Shandong Iron & Steel Group Co., Ltd.

Address before: 250101 Ji'nan Industrial Road, Shandong, No. 21

Patentee before: Jinan Iron and Steel Co., Ltd.

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