CN117532059A - High-strength rough and finish machining integrated milling cutter - Google Patents
High-strength rough and finish machining integrated milling cutter Download PDFInfo
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- CN117532059A CN117532059A CN202311665601.XA CN202311665601A CN117532059A CN 117532059 A CN117532059 A CN 117532059A CN 202311665601 A CN202311665601 A CN 202311665601A CN 117532059 A CN117532059 A CN 117532059A
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- 238000003754 machining Methods 0.000 title claims abstract description 49
- 238000003801 milling Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 34
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a high-strength rough and finish machining integrated milling cutter, which comprises a cutter disc and a plurality of blades circumferentially arranged on the cutter disc, wherein the cutter disc is provided with a mounting groove, the blades can be movably arranged in the mounting groove along the radial direction of the cutter disc, and the blades have a first position far from the center of the cutter disc and a second position close to the center of the cutter disc in the moving stroke of the blades, and each adjacent blade is respectively positioned at the first position and the second position; and a switching component for driving each blade to synchronously switch positions is arranged in the cutter head. According to the invention, the plurality of blades at two positions are arranged, and the adjacent blades are alternately arranged at different positions, so that the blades at the first position perform rough machining cutting on a workpiece in the cutting process, and the blades at the second position perform finish machining cutting on the workpiece after the cutting process, thus the continuous rough machining and finish machining are realized, the integration of rough machining cutters is realized, and the cutting efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of milling cutters, in particular to a high-strength rough and finish machining integrated milling cutter.
Background
Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines.
Patent document CN116765486a discloses a reducing step disc milling cutter in 2023, 09 and 19 days, which comprises the following technical scheme: the cutter head is uniformly provided with a plurality of mounting grooves along the circumference of the cutter head, the mounting grooves extend from the edge of the cutter head to the direction of the circle center of the cutter head, and the groove depths of the adjacent mounting grooves are gradually increased or decreased; the plurality of cutting tool bits are respectively arranged in a mounting groove through an adjusting component; the distance between the adjacent cutting tool bit and the center of the cutter head is gradually increased or decreased; the adjusting assembly comprises an axial adjusting piece which penetrates through the cutter disc and is connected with the cutting bit, and a pressing piece which is arranged in the mounting groove and used for fastening the cutting bit; the cutter handle is arranged on the end face of one side of the cutter head, which is away from the cutting tool bit, and is detachably connected with the cutter head. The beneficial effects are that: the cutting tool bit can independently realize adjustment of different axial heights through the adjusting component, so that the cutting depth can be freely controlled, the processing level is clear, the processing allowance is freely controllable, and the rough processing and semi-finishing to finish processing of the workpiece can be realized at one time; and each cutting bit can be individually removed and replaced.
In the prior art of the above patent, rough machining and semi-finishing are performed in an integrated manner by arranging a plurality of freely-adjusted cutting bits, but each cutting bit has different functions and wear, so that the service lives are different, and the trouble of later maintenance is brought, so that a high-strength rough and finish machining integrated milling cutter is needed to solve the problems.
Disclosure of Invention
The invention aims to provide a high-strength rough and finish machining integrated milling cutter, which solves the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the high-strength rough and finish machining integrated milling cutter comprises a cutter disc and a plurality of blades circumferentially arranged on the cutter disc, wherein the cutter disc is provided with a mounting groove, the blades can be movably arranged in the mounting groove along the radial direction of the cutter disc, and the blades are provided with a first position far from the center of the cutter disc and a second position close to the center of the cutter disc in the moving stroke of the blades, and each adjacent blade is respectively positioned at the first position and the second position; and a switching component for driving each blade to synchronously switch positions is arranged in the cutter head.
Preferably, a movable bin is arranged in the cutterhead, a movable box which moves along the radial direction of the cutterhead is arranged in the movable bin, a connecting shaft which penetrates through the cutterhead in a sliding mode is arranged on the movable box, and one end of the connecting shaft extends into the mounting groove and is fixedly connected with the blade.
Preferably, the switching assembly comprises a linkage bin arranged in the cutter head, a turntable is rotationally arranged in the linkage bin, first linkage grooves and second linkage grooves which are alternately arranged in circumference are arranged on the turntable, and a linkage rod is fixedly arranged on the moving box and is movably connected with the first linkage grooves or the second linkage grooves.
Preferably, the turntable is coaxially and fixedly connected with a joint which penetrates through the cutterhead movably, and the joint is used for connecting a machine tool spindle to control the turntable to rotate.
Preferably, the connecting shaft is rotatably arranged on the moving box, and is linked with the unidirectional movement of the moving box through the linkage assembly, and the linkage is suspended in the other movement process of the moving box.
Preferably, the linkage assembly comprises a sleeve pipe which is rotatably arranged on the moving box, a central column is rotatably arranged in the cutter head, the central column is limited by a unidirectional limiting assembly arranged in the cutter head and can only rotate unidirectionally, the axial direction of the central column is consistent with the moving direction of the moving box, the sleeve pipe is in threaded connection with one end of the central column, and the rotation of the sleeve pipe is synchronously linked with the rotation of the connecting shaft.
Preferably, the unidirectional limiting assembly comprises a movable groove arranged in the cutter head, a rotating block which is fixedly connected with the central column coaxially is rotationally arranged in the movable groove, one end, far away from the central column, of the movable groove is connected with a supporting block through an elastic piece, and the rotating block is meshed with the supporting block through two groups of unidirectional teeth which are circumferentially arranged.
Preferably, the sleeve is coaxially and fixedly sleeved with a first gear, the moving box is rotationally provided with a transmission shaft, one end of the transmission shaft is coaxially and fixedly connected with a second gear meshed with the first gear, the other end of the transmission shaft is coaxially and fixedly connected with a worm, and one end of the connecting shaft is coaxially and fixedly connected with a worm wheel meshed with the worm.
Preferably, the height of the blade bottom end in the first position is higher than the height of the blade bottom end in the second position.
Preferably, the movable bin is arranged in a radial inclined manner relative to the cutterhead, one end close to the center of the cutterhead is a low end, and the bottom surface and the top surface of the movable box are respectively arranged in a fitting sliding manner with the inner bottom surface and the inner top surface of the movable bin.
In the technical scheme, the invention has the beneficial effects that:
according to the high-strength rough and finish machining integrated milling cutter, the plurality of blades at two positions are arranged, the adjacent blades are alternately arranged at different positions, so that the blades at the first position firstly carry out rough machining cutting on a workpiece in the cutting process, the blades at the second position carry out finish machining cutting on the workpiece after the blades are in the cutting process, the continuous rough and finish machining is realized, the integration of a rough and finish machining cutter is realized, the cutting efficiency is further improved, in addition, the blades can be switched between the first position and the second position by the switching assembly, and the blades corresponding to the rough and finish machining are further mutually switched, so that the service life of the cutter is prolonged.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the disclosed technology.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front cross-sectional structure according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A according to an embodiment of the present invention;
fig. 4 is a schematic top view of a cross-sectional structure according to an embodiment of the present invention.
Reference numerals illustrate:
1. a cutterhead; 2. a blade; 3. a mounting groove; 4. moving the bin; 5. a moving case; 6. a connecting shaft; 7. a linkage bin; 8. a turntable; 9. a first linkage groove; 10. a second linkage groove; 11. a linkage rod; 12. a joint; 13. a sleeve; 14. a center column; 15. a movable groove; 16. rotating the block; 17. an elastic member; 18. abutting blocks; 19. unidirectional teeth; 20. a first gear; 21. a transmission shaft; 22. a second gear; 23. a worm; 24. a worm wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-4, the high-strength rough and finish machining integrated milling cutter provided by the embodiment of the invention comprises a cutter head 1 and a plurality of blades 2 circumferentially arranged on the cutter head 1, wherein a mounting groove 3 is formed in the cutter head 1, the blades 2 can be movably arranged in the mounting groove 3 along the radial direction of the cutter head 1, and in the moving stroke of the blades 2, the blades 2 are provided with a first position far from the center of the cutter head 1 and a second position close to the center of the cutter head 1, and each adjacent blade 2 is respectively positioned at the first position and the second position; a switching assembly for driving each blade 2 to synchronously switch positions is arranged in the cutter head 1.
Specifically, the cutterhead 1 is a rotating body, and the upper end of the cutterhead is used for being connected with a main shaft of a machine tool; the blade 2 is circular; the mounting groove 3 is formed in the corner of the edge of the lower end of the cutterhead 1, one inner wall of the mounting groove 3 is parallel to the radial direction of the cutterhead 1, and the blade 2 is arranged close to the inner wall; the opening size of the mounting groove 3 meets the requirement that an external tool can disassemble and assemble the blade 2; the bottom ends of the blades 2 at the first position and the second position extend out of the bottom surface of the cutterhead 1; the blades 2 at the first position extend out of the outer circumferential surface of the cutterhead 1; the corner of the edge of the lower end of the cutter head 1 is provided with a chamfer so as to avoid the inner side of the blade 2 at the first position; the blades 2 are arranged to be not less than four, and preferably are arranged in a double way, the plurality of blades 2 are equally divided into two groups, one group of blades 2 is positioned at a first position, and the other group of blades 2 is positioned at a second position; the switching component is used for switching the group of blades 2 in the first position to the second position, switching the group of blades 2 in the second position to the first position, and switching the two groups of blades 2 synchronously. In actual use, when the cutter head 1 is connected with a main shaft of a machine tool to rotate, two groups of blades 2 are driven to rotate, in the feeding process of the cutter head 1, a group of blades 2 at a first position perform rough machining milling on the allowance of a workpiece to form a designated cutting surface, then a group of blades 2 at a second position perform milling on the rough machined cutting surface to realize a finish machining end face, so that continuous rough machining and finish machining are realized, the finish machining and the finish machining cutters are integrated, and the cutting efficiency is further improved; in addition, through the switching component drive, can be synchronous with a set of blade 2 of first position switch to the second position, switch a set of blade 2 of second position to first position, promptly for two sets of blades 2 of corresponding rough and finish machining change each other, balanced two sets of blade 2's use from this, improve the life of cutter.
Compared with the prior art, the high-strength rough and finish machining integrated milling cutter has the advantages that the blades 2 in two positions are arranged, and the adjacent blades 2 are alternately positioned in different positions, so that the blades 2 in the first position firstly perform rough machining cutting on a workpiece in the cutting process, the blades 2 in the second position perform finish machining cutting on the workpiece after the cutting process, rough and finish machining is sequentially and continuously performed, the rough machining cutter is integrated, the cutting efficiency is further improved, in addition, the blades 2 can be switched between the first position and the second position by the switching assembly, and the blades 2 corresponding to rough and finish machining are mutually switched, so that the service life of the cutter is prolonged.
As a preferred technical scheme of the embodiment, a moving bin 4 is arranged in a cutterhead 1, a moving box 5 which moves along the radial direction of the cutterhead 1 is arranged in the moving bin 4, a connecting shaft 6 which penetrates through the cutterhead 1 in a sliding way is arranged on the moving box 5, one end of the connecting shaft 6 stretches into an installation groove 3 and is fixedly connected with a blade 2, specifically, the moving bin 4 is arranged in a body of the cutterhead 1 and corresponds to one side of the installation groove 3, and the moving box 5 is used for moving in the moving bin 4 so as to drive the connecting shaft 6 to move; the connecting shaft 6 penetrates through the cutter head 1 entity between the mounting groove 3 and the movable bin 4, and a through groove matched with the connecting shaft 6 is formed in the cutter head 1 entity; the connecting shaft 6 is fastened and connected with the blade 2 by a screw, and the blade 2 can be detached on the connecting shaft 6.
As a preferred technical scheme of the embodiment, the switching assembly comprises a linkage bin 7 arranged in the cutterhead 1, a turntable 8 is rotationally arranged in the linkage bin 7, first linkage grooves 9 and second linkage grooves 10 which are alternately arranged in circumference are arranged on the turntable 8, a linkage rod 11 is fixedly arranged on the moving box 5, the linkage rod 11 is movably connected with the first linkage grooves 9 or the second linkage grooves 10, and in particular, the turntable 8 coaxially and relatively rotates in the cutterhead 1; the moving boxes 5 are in one-to-one correspondence with the blades 2, so that the moving boxes are also divided into two groups, and are respectively connected with the first linkage groove 9 or the second linkage groove 10 through the linkage rod 11; the connecting pieces at the upper end and the lower end of the linkage rod 11 are fixedly connected with the movable box 5, and a gap is reserved between the connecting pieces and the upper end and the lower end of the turntable 8; the first linkage groove 9 and the second linkage groove 10 are axially arranged along the turntable 8 and penetrate through the turntable 8; the horizontal sections of the first linkage groove 9 and the second linkage groove 10 are in a waist-shaped hole shape, one end of the first linkage groove is close to the center of the turntable 8, and the other end of the first linkage groove is close to the edge of the turntable 8; the linkage rod 11 on the movable box 5 corresponding to the blade 2 at the first position is positioned at one end, close to the edge of the turntable 8, in the first linkage groove 9, at the same time, the linkage rod 11 on the movable box 5 corresponding to the blade 2 at the second position is positioned at one end, close to the center of the turntable 8, in the second linkage groove 10, when the turntable 8 rotates, the linkage rod 11 in the first linkage groove 9 moves from one end, close to the edge of the turntable 8, to one end, close to the center of the turntable 8, namely, the movable box 5 is pulled to be close to the turntable 8, and then the blade 2 is driven to move and switch from the first position to the second position through the connecting shaft 6; the linkage rod 11 in the second linkage groove 10 moves from one end close to the center of the turntable 8 to one end close to the edge of the turntable 8, namely, the moving box 5 is pushed to be far away from the turntable 8, and then the blade 2 is driven to move and switch from the second position to the first position through the connecting shaft 6; because each linkage rod 11 is driven by the same rotary table 8, synchronization is realized, and then, under the different far and near end settings of the first linkage groove 9 and the second linkage groove 10, when one group of moving boxes 5 approach the rotary table 8, the other group of moving boxes 5 are far away from the rotary table 8, namely, one group of blades 2 are switched from a first position to a second position, and the other group of blades 2 are switched from the second position to the first position.
As a further preferable technical scheme of the embodiment, the turntable 8 is coaxially and fixedly connected with a joint 12 which movably penetrates through the cutterhead 1, the joint 12 is used for connecting a machine tool spindle to control the turntable 8 to rotate, in particular, an independent shaft which is used for butting the joint 12 to drive the turntable 8 to rotate is arranged in the machine tool spindle, when the cutterhead 1 is smoothly connected with the machine tool spindle, the joint 12 is connected with the independent shaft in the machine tool spindle and can synchronously rotate, the independent shaft is independently driven by a servo system to control the relative static state of the independent shaft and the machine tool spindle or the relative rotation of the independent shaft and the machine tool spindle at a small angle to drive the turntable 8 to rotate, and further, the relative sliding of the linkage rod 11 and the first linkage groove 9 or the second linkage groove 10 is realized to trigger the position switching of the blade 2; in actual use, when the machine tool spindle drives the cutterhead 1 to rotate, the independent shaft remains stationary relative to the machine tool spindle.
In another embodiment of the present invention, the connecting shaft 6 is rotatably disposed on the moving box 5, and is linked with the unidirectional movement of the moving box 5 through the linkage assembly, and the linkage is suspended during the other movement of the moving box 5, specifically, the rotation of the connecting shaft 6 enables the blade 2 to rotate, so that the blade 2 can adjust the length of the blade for participating in actual cutting, and then the linkage assembly is provided, so that the passive adjustment of the blade 2 with the change of the length of the blade can be realized by linking the rotation of the blade 2 during the movement of the moving box 5, i.e. during the position switching process of the blade 2. In addition, the rotation of the connecting shaft 6 and the unidirectional linkage of the moving box 5 can ensure that the connecting shaft 6 only rotates in one unidirectional direction in a bidirectional switching round trip of the moving box 5, and then ensure that the rotation of the connecting shaft 6 intermittently rotates in one direction in a plurality of bidirectional switching round trips of the moving box 5, namely, the blades 2 rotate in one direction to enable the lengths of the blades to participate in actual cutting in turn, so that the problem that the blades 2 rotate in a linkage way and the used blades are cut back cannot occur. Further, the rotation of the connecting shaft 6 is linked with the unidirectional stroke when the moving box 5 moves towards the center of the cutterhead 1, namely when the blade 2 rotates to switch the length of a new blade, the blade 2 is just switched from a first position to a second position, and the new blade is not worn and corresponds to finish machining; when the blade 2 is switched from the second position to the first position, the rotation of the connecting shaft 6 is not linked with the movement of the moving box 5, namely, the blade 2 does not rotate at the moment, and the blade used for the previous finish machining is used as the rough machining blade, so that the abrasion is small, and the rough machining requirement is met.
As a preferred technical scheme of the embodiment, the linkage assembly comprises a sleeve 13 rotatably arranged on the moving box 5, a central column 14 is rotatably arranged in the cutter head 1, the central column 14 is limited by a unidirectional limiting assembly arranged in the cutter head 1 and can only rotate unidirectionally, the axial direction of the central column 14 is consistent with the moving direction of the moving box 5, the sleeve 13 is in threaded connection with one end of the central column 14, the rotation of the sleeve 13 is synchronously linked with the rotation of the connecting shaft 6, in particular, the sleeve 13 is axially arranged along the moving direction of the moving box 5, one end of the sleeve 13 is rotatably arranged in the moving box 5, and the other end of the sleeve 13 penetrates through one side of the moving box 5 far away from the turntable 8; the center column 14 is arranged at one side of the movable box 5 far away from the turntable 8; the end part of the central column 14 is provided with sliding protrusions, the inner wall of the sleeve 13 is provided with spiral grooves matched with the sliding protrusions, the number of the sliding protrusions can be preferably two, and the spiral grooves are matched with the sliding protrusions; the axial relative movement of the sleeve 13 and the central post 14 triggers a screw feed action which causes relative rotation between the sleeve 13 and the central post 14. When the moving box 5 drives the sleeve 13 to approach the central column 14, the unidirectional limiting component is not acted, and at the moment, the central column 14 is driven by screw feeding to rotate; when the moving box 5 drives the sleeve 13 to move away from the central column 14, the unidirectional limiting assembly acts, the central column 14 does not rotate, and at the moment, the sleeve 13 is driven by screw feeding to rotate, and then the sleeve 13 is linked with the connecting shaft 6 to rotate.
As a preferred technical scheme of the embodiment, the unidirectional limiting assembly comprises a movable groove 15 arranged in the cutter head 1, a rotary block 16 which is coaxially and fixedly connected with the central column 14 is rotationally arranged in the movable groove 15, one end of the movable groove 15, which is far away from the central column 14, is connected with a supporting block 18 through an elastic piece 17, the rotary block 16 is meshed and connected with the supporting block 18 through two groups of unidirectional teeth 19 which are circumferentially arranged, and specifically, the two ends of the movable groove 15 are axially arranged with the central column 14; the rotary block 16 only rotates in the movable groove 15; the elastic member 17 may preferably be a spring, keeping the pushing abutment 18 close to the knob 16, i.e. keeping the two sets of unidirectional teeth 19 engaged; one end of each unidirectional tooth 19 is arranged to be vertical to the end face of the corresponding abutting block 18, the other end of each unidirectional tooth 19 is arranged to be an inclined curved surface, when the two groups of unidirectional teeth 19 rotate and are mutually extruded by the inclined curved surfaces, the abutting block 18 can be pushed to be far away from the rotary block 16, the elastic piece 17 can be compressed, and the rotary block 16 can realize the rotation of the corresponding abutting block 18, namely the corresponding sleeve 13 is driven to the rotary block 16 when approaching the central column 14; when the two groups of unidirectional teeth 19 rotate and are mutually extruded by the vertical end surfaces, the rotation of the rotary block 16 relative to the abutting block 18 is limited, namely the rotation of the rotary block 16 is limited when the corresponding sleeve 13 is far away from the central column 14, so that the sleeve 13 passively rotates; the resistance generated by the mutual extrusion of the two sets of unidirectional teeth 19 with inclined curved surfaces is smaller than the driving force required by the rotation of the sleeve 13, so that the sleeve 13 drives the rotation of the central column 14 without rotating when the central column 14 can rotate.
As a preferred technical scheme of the embodiment, a first gear 20 is coaxially and fixedly sleeved on the sleeve 13, a transmission shaft 21 is rotationally arranged in the moving box 5, one end of the transmission shaft 21 is coaxially and fixedly connected with a second gear 22 meshed with the first gear 20, the other end of the transmission shaft is coaxially and fixedly connected with a worm 23, one end of the connecting shaft 6 is coaxially and fixedly connected with a worm wheel 24 meshed with the worm 23, and in particular, the transmission ratio of the first gear 20 to the second gear 22 is smaller than one; the worm 23 and the worm wheel 24 are arranged, so that only the transmission shaft 21 drives the connecting shaft 6 to rotate, the connecting shaft 6 cannot drive the transmission shaft 21 to rotate, namely the rotation adjustment of the connecting shaft 6 has a self-locking function; the worm 23 and the worm wheel 24 have a transmission resistance corresponding to the driving force required for rotation of the sleeve 13, which is greater than the resistance generated when the two sets of unidirectional teeth 19 are pressed against each other with inclined curved surfaces, thereby satisfying that when the center post 14 is rotatable, the center post 14 is rotated by the screw feeding action, the sleeve 13 is not rotated, and when the center post 14 is limited in rotation, only the sleeve 13 is rotated by the screw feeding action.
In still another embodiment of the present invention, the bottom end height of the blade 2 at the first position is higher than the bottom end height of the blade 2 at the second position, specifically, the bottom end height of the blade 2 at the first position is 0.1-1 mm higher than the bottom end height of the blade 2 at the second position, and in actual milling, the cutting amount is determined based on the blade 2 at the second position; the height of the blade 2 at the second position is lower, so that the cutting surface of the blade 2 at the first position can be cut by a small cutting amount again, and the finish machining effect can be conveniently realized.
As the preferred technical scheme of this embodiment, remove storehouse 4 radial slope setting relative blade disc 1, and be close to blade disc 1 center one end and be the low end, remove box 5 bottom surface, top surface respectively with remove storehouse 4 interior bottom surface, interior top surface laminating slip setting, specifically, remove the slope setting of storehouse 4 for remove box 5 when carrying out the slip that is close to blade disc 1 center direction in removing storehouse 4, remove box 5 overall height reduction, when driving blade 2 to switch to the second position from the first position promptly, blade 2 height reduction satisfies the finish machining needs from this.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a high strength rough and finish machining integral type milling cutter, includes blade disc (1) and a plurality of circumference arrangement blade (2) on blade disc (1), its characterized in that:
the cutter head (1) is provided with a mounting groove (3), the blades (2) can be movably arranged in the mounting groove (3) along the radial direction of the cutter head (1), and the blade (2) is provided with a first position far away from the center of the cutter head (1) and a second position close to the center of the cutter head (1) in the moving stroke of the blades (2), and each adjacent blade (2) is respectively positioned at the first position and the second position;
and a switching component for driving each blade (2) to synchronously switch positions is arranged in the cutter disc (1).
2. The high-strength rough and finish machining integrated milling cutter according to claim 1, wherein a movable bin (4) is arranged in the cutter head (1), a movable box (5) which moves along the radial direction of the cutter head (1) is arranged in the movable bin (4), a connecting shaft (6) which penetrates through the cutter head (1) in a sliding manner is arranged on the movable box (5), and one end of the connecting shaft (6) extends into the mounting groove (3) and is fixedly connected with the cutter blade (2).
3. The high-strength rough and finish machining integrated milling cutter according to claim 2, wherein the switching assembly comprises a linkage bin (7) arranged in a cutter head (1), a rotary table (8) is rotationally arranged in the linkage bin (7), first linkage grooves (9) and second linkage grooves (10) which are alternately arranged in circumference are arranged on the rotary table (8), a linkage rod (11) is fixedly arranged on the movable box (5), and the linkage rod (11) is movably connected with the first linkage grooves (9) or the second linkage grooves (10).
4. A high strength rough finishing integrated milling cutter according to claim 3, characterized in that the turntable (8) is fixedly connected with a joint (12) which is movably penetrating the cutterhead (1) coaxially, the joint (12) being used for connecting a machine spindle to control the turntable (8) to rotate.
5. The high-strength rough and finish machining integrated milling cutter according to claim 2, wherein the connecting shaft (6) is rotatably arranged on the moving box (5) and is linked with the unidirectional movement of the moving box (5) through a linkage assembly, and the linkage is suspended during the other movement of the moving box (5).
6. The high-strength rough and finish machining integrated milling cutter according to claim 5, wherein the linkage assembly comprises a sleeve (13) rotatably arranged on the moving box (5), a central column (14) is rotatably arranged in the cutter head (1), the central column (14) is limited by a unidirectional limiting assembly arranged in the cutter head (1) and can only rotate unidirectionally, the axial direction of the central column (14) is consistent with the moving direction of the moving box (5), the sleeve (13) is in threaded connection with one end of the central column (14), and the rotation of the sleeve (13) is synchronously linked with the rotation of the connecting shaft (6).
7. The high-strength rough and finish machining integrated milling cutter according to claim 6, wherein the unidirectional limiting assembly comprises a movable groove (15) arranged in the cutter head (1), a rotary block (16) fixedly connected with the central column (14) is rotationally arranged in the movable groove (15), one end, far away from the central column (14), of the movable groove (15) is connected with a supporting block (18) through an elastic piece (17), and the rotary block (16) is meshed and connected with the supporting block (18) through two groups of unidirectional teeth (19) arranged circumferentially.
8. The high-strength rough and finish machining integrated milling cutter according to claim 6, wherein a first gear (20) is coaxially and fixedly sleeved on the sleeve (13), a transmission shaft (21) is rotationally arranged on the moving box (5), a second gear (22) meshed with the first gear (20) is coaxially and fixedly connected to one end of the transmission shaft (21), a worm (23) is coaxially and fixedly connected to the other end of the transmission shaft, and a worm wheel (24) meshed with the worm (23) is coaxially and fixedly connected to one end of the connecting shaft (6).
9. The high strength rough finishing integrated milling cutter according to claim 1, wherein the bottom end height of the insert (2) in the first position is higher than the bottom end height of the insert (2) in the second position.
10. The high-strength rough and finish machining integrated milling cutter according to claim 2, wherein the movable bin (4) is arranged in a radial inclined manner relative to the cutter head (1), one end close to the center of the cutter head (1) is a low end, and the bottom surface and the top surface of the movable box (5) are respectively arranged in a fitting sliding manner with the inner bottom surface and the inner top surface of the movable bin (4).
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| CN202311665601.XA CN117532059B (en) | 2023-12-06 | 2023-12-06 | High-strength rough and finish machining integrated milling cutter |
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| CN202311665601.XA CN117532059B (en) | 2023-12-06 | 2023-12-06 | High-strength rough and finish machining integrated milling cutter |
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| CN117532059A true CN117532059A (en) | 2024-02-09 |
| CN117532059B CN117532059B (en) | 2024-07-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105360A (en) * | 1977-06-08 | 1978-08-08 | R. H. Sheppard Co., Inc. | Dual cut boring tool assembly |
| JPS62124811A (en) * | 1985-11-25 | 1987-06-06 | Honda Motor Co Ltd | Adjusting method and device for cutting edge of milling cutter |
| CN114309748A (en) * | 2022-02-09 | 2022-04-12 | 大连交通大学 | Arc top milling cutter for machining curved surface |
| CN114734081A (en) * | 2022-06-14 | 2022-07-12 | 常州博胜天泓工具有限公司 | A milling cutter subassembly for precision finishing |
| CN218224822U (en) * | 2022-08-30 | 2023-01-06 | 上海佐仞精密刀具有限公司 | Multi-edge milling cutter |
| CN116652231A (en) * | 2023-06-07 | 2023-08-29 | 杭州皖杭机械设备有限公司 | Automatic mechanical part boring machine tool of proofreading |
| CN220107421U (en) * | 2023-06-13 | 2023-11-28 | 河北工业职业技术学院 | Cable sectioning device |
-
2023
- 2023-12-06 CN CN202311665601.XA patent/CN117532059B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105360A (en) * | 1977-06-08 | 1978-08-08 | R. H. Sheppard Co., Inc. | Dual cut boring tool assembly |
| JPS62124811A (en) * | 1985-11-25 | 1987-06-06 | Honda Motor Co Ltd | Adjusting method and device for cutting edge of milling cutter |
| CN114309748A (en) * | 2022-02-09 | 2022-04-12 | 大连交通大学 | Arc top milling cutter for machining curved surface |
| CN114734081A (en) * | 2022-06-14 | 2022-07-12 | 常州博胜天泓工具有限公司 | A milling cutter subassembly for precision finishing |
| CN218224822U (en) * | 2022-08-30 | 2023-01-06 | 上海佐仞精密刀具有限公司 | Multi-edge milling cutter |
| CN116652231A (en) * | 2023-06-07 | 2023-08-29 | 杭州皖杭机械设备有限公司 | Automatic mechanical part boring machine tool of proofreading |
| CN220107421U (en) * | 2023-06-13 | 2023-11-28 | 河北工业职业技术学院 | Cable sectioning device |
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| Publication number | Publication date |
|---|---|
| CN117532059B (en) | 2024-07-23 |
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