CN112338648A - Automatic grinding device of end face milling cutter blade of adjustable corner - Google Patents
Automatic grinding device of end face milling cutter blade of adjustable corner Download PDFInfo
- Publication number
- CN112338648A CN112338648A CN202011322766.3A CN202011322766A CN112338648A CN 112338648 A CN112338648 A CN 112338648A CN 202011322766 A CN202011322766 A CN 202011322766A CN 112338648 A CN112338648 A CN 112338648A
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- cavity
- wheel
- fixedly connected
- milling cutter
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
- B24B3/06—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters of face or end milling cutters or cutter heads, e.g. of shank type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field related to mechanical cutters and discloses an automatic grinding device for cutting edges of an end mill with an adjustable corner, which comprises a main box body, wherein a milling cutter box cavity with a forward opening is arranged in the main box body, a milling cutter box is connected in a sliding fit manner in the milling cutter box cavity, a moving gear cavity with a backward opening is arranged in the milling cutter box, the right end wall of the moving gear cavity is connected with a milling cutter shaft which extends leftwards into the moving gear cavity and rightwards into the milling cutter box cavity in a rotating fit manner, the automatic grinding of a plurality of cutting edges is completed by controlling the end mill to rotate a certain angle during each feeding, the workload of workers is reduced, the grinding efficiency is improved, the quality of the cutting edges of the milling cutter is improved, the shapes of the cutting edges are consistent, in addition, the grinding of different end mills and the grinding of multiple cutting edges can be completed by a corner adjusting mechanism and a grinding angle adjusting, the production cost is reduced.
Description
Technical Field
The invention relates to the field related to mechanical cutters, in particular to an automatic grinding device for a cutting edge of an end mill with an adjustable corner.
Background
The face milling cutter blade need grind the blade opening after wearing and tearing, the grinding mode commonly used generally is manual control milling cutter corner and feed amount, grind the face milling cutter blade through adjustment emery wheel grinding angle, this kind of mode is wasted time and energy, work efficiency is reduced, corner and feed amount are wayward when the blade is ground at every turn, cause the face milling cutter blade inconsistent, influence the working property of milling cutter, furthermore, the milling cutter blade interval angle of different grade type is different, the blade face is also different, this degree of difficulty that has increased the blade grinding, grinding cost has been increased.
Disclosure of Invention
The invention aims to provide an automatic grinding device for a cutting edge of an end mill with an adjustable corner, which can overcome the defects in the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic grinding device for the cutting edge of the end face milling cutter with the adjustable corner comprises a main box body, a milling cutter box cavity with a forward opening is arranged in the main box body, a milling cutter box is connected in the milling cutter box cavity in a sliding fit mode, a moving gear cavity with a backward opening is arranged in the milling cutter box, the right end wall of the moving gear cavity is connected with a milling cutter shaft which extends into the moving gear cavity leftwards and extends into the milling cutter box cavity rightwards in a rotating fit mode, an end face milling cutter positioned in the milling cutter box cavity is connected to the milling cutter shaft in a spline fit mode, a moving gear positioned in the moving gear cavity is also fixedly connected to the milling cutter shaft, a fixed gear cavity is communicated with the rear end wall of the milling cutter box cavity, a rotating bevel gear cavity is arranged on the right side of the fixed gear cavity, an adjusting sleeve cavity is arranged on the rear side of the rotating bevel gear cavity, and an adjusting friction wheel cavity is, the lower side of the adjusting friction wheel cavity is provided with a middle friction wheel cavity, the left end wall of the middle friction wheel cavity is communicated with a transmission friction wheel cavity, the rear side of the transmission friction wheel cavity is provided with a belt wheel cavity extending leftwards, the right end wall of the milling cutter box cavity is communicated with a grinding cavity, the left side of the milling cutter box cavity is provided with a feed gear cavity, the left end wall of the feed gear cavity is communicated with a torsion spring cavity, the right end wall of the feed gear cavity is connected with a feed screw rod extending leftwards into the milling cutter box cavity and leftwards into the torsion spring cavity in a rotating fit manner, the feed screw rod is connected with the milling cutter box in a threaded fit manner, a torsion spring positioned in the torsion spring cavity is fixedly connected between the left end surface of the feed screw rod and the left end wall of the torsion spring cavity, the rear side of the feed gear cavity is provided with a clutch sleeve cavity, the right side of the clutch sleeve cavity, the worm gear and worm cavity left end wall intercommunication is equipped with and extends to right the worm shaft that just extends to left in the worm gear cavity clutch sleeve intracavity, the epaxial spline fit of worm is connected with clutch sleeve, fixedly connected with is located clutch sleeve intracavity's sleeve gear on the clutch sleeve, the last normal running fit of clutch sleeve is connected with and is located the removal dish on sleeve gear right side, removal dish right-hand member face fixedly connected with four use the worm shaft is central circumference evenly distributed's removal dish spring.
On the basis of the technical scheme, a friction wheel cavity is arranged on the upper side of the grinding cavity, a grinding wheel bevel gear cavity is arranged on the upper side of the friction wheel cavity, a grinding wheel knob shaft which extends leftwards into the grinding wheel bevel gear cavity and rightwards into the outside is connected to the right end wall of the grinding wheel bevel gear cavity in a rotating fit manner, a grinding wheel knob which is positioned outside is fixedly connected to the grinding wheel knob shaft, a main grinding wheel bevel gear which is positioned in the grinding wheel bevel gear cavity is also fixedly connected to the grinding wheel knob shaft, a grinding wheel shaft which extends upwards into the grinding wheel bevel gear cavity, penetrates through the friction wheel cavity downwards and extends downwards into the grinding cavity is connected to the lower end wall of the grinding wheel bevel gear cavity in a rotating fit manner, a grinding wheel motor is arranged in the grinding wheel shaft, a grinding wheel driving shaft which extends leftwards into the grinding cavity is fixedly connected to, the grinding wheel is characterized in that a grinding wheel cavity with a leftward opening is formed in the grinding wheel, a slave grinding wheel bevel gear located in the grinding wheel bevel gear cavity is fixedly connected to a grinding wheel shaft, the slave grinding wheel bevel gear is meshed with the master grinding wheel bevel gear, a friction wheel located in the friction wheel cavity is further fixedly connected to the grinding wheel shaft, a friction block cavity is communicated with the left end wall of the friction wheel cavity, a friction block is connected to the inside of the friction block cavity in a sliding fit mode, and a friction block spring is fixedly connected between the left end face of the friction block and the left end wall of the friction block cavity.
On the basis of the technical scheme, a feeding motor which is positioned at the rear side of the belt wheel cavity is arranged in the main box body, a centrifugal wheel cavity is arranged at the front side of the belt wheel cavity, the front end wall of the feeding motor is fixedly connected with a feeding driving shaft which penetrates through the belt wheel cavity and the centrifugal wheel cavity forwards and extends into the worm and gear cavity forwards, a driving belt wheel which is positioned in the belt wheel cavity is fixedly connected onto the feeding driving shaft, a centrifugal wheel which is positioned in the centrifugal wheel cavity is also fixedly connected onto the feeding driving shaft, eight centrifugal block cavities which are uniformly distributed in the circumferential direction by taking the feeding driving shaft as the center and have outward openings are arranged in the centrifugal wheel, a centrifugal block is connected into the centrifugal block cavity in a sliding fit manner, a centrifugal block spring is fixedly connected between the inner end surface of the centrifugal block and the inner end wall of the centrifugal block cavity, and a pushing block which is positioned at, the centrifugal wheel feed mechanism is characterized in that a push block spring is fixedly connected between the left end face of the push block and the left end wall of the centrifugal wheel cavity, a first pull rope is fixedly connected to the left end face of the push block spring, the other end of the first pull rope is fixedly connected to the left end face of the friction block, a worm wheel located in the worm wheel and worm cavity is fixedly connected to the feed driving shaft, a worm shaft is fixedly connected to the worm shaft and located in the worm wheel and worm cavity, and the worm is meshed with the worm wheel.
On the basis of the technical scheme, pulley chamber front end wall normal running fit is connected and extends to backward the pulley intracavity and extend to forward the transmission friction wheel axle of transmission friction wheel intracavity, transmission friction wheel takes turns to epaxial fixedly connected with and is located the driven pulleys of pulley intracavity, driven pulleys with power fit is connected with and is located between the driving pulley the conveyer belt of pulley intracavity, pulley chamber front end wall intercommunication is equipped with the tensioning piece chamber, pulley chamber rear end wall intercommunication be equipped with the tensioning piece groove that tensioning piece chamber corresponds, tensioning piece intracavity sliding fit knows the tensioning piece, tensioning piece front end face with fixedly connected with tensioning piece spring between the tensioning piece chamber front end wall, transmission friction wheel takes turns to epaxial still fixedly connected with and is located the transmission friction wheel of transmission friction wheel intracavity.
On the basis of the technical scheme, the rear end wall of the middle friction wheel cavity is connected with a middle friction wheel shaft which extends forwards into the middle friction wheel cavity and backwards into the adjusting friction wheel cavity in a rotating fit manner, the middle friction wheel shaft is fixedly connected with a middle friction wheel positioned in the middle friction wheel cavity, the middle friction wheel is abutted against the transmission friction wheel, the middle friction wheel shaft is also fixedly connected with an adjusting friction wheel positioned in the adjusting friction wheel cavity, the rear end wall of the adjusting sleeve cavity is connected with an adjusting knob shaft which extends forwards into the adjusting sleeve cavity and extends backwards to the outside in a rotating fit manner, the adjusting knob shaft is connected with a dial located outside in a rotating matching mode, the front end face of the dial is fixedly connected with the rear end face of the main box body, and the adjusting knob shaft is fixedly connected with an adjusting knob located outside.
On the basis of the technical scheme, an adjusting sleeve positioned in an adjusting sleeve cavity is connected to the adjusting knob shaft in a threaded fit manner, a movable friction wheel shaft extending forwards into the rotary bevel gear cavity is connected to the front end face of the adjusting sleeve in a rotating fit manner, a movable friction wheel positioned in the adjusting sleeve cavity is fixedly connected to the movable friction wheel shaft, the movable friction wheel is abutted against the adjusting friction wheel, a rotary sleeve extending forwards into the rotary bevel gear cavity and backwards into the main box body is connected to the rear end wall of the rotary bevel gear cavity in a rotating fit manner, a main rotary bevel gear positioned in the rotary bevel gear cavity is fixedly connected to the rotary sleeve, a fixed gear shaft extending rightwards into the rotary bevel gear cavity and leftwards into the fixed gear cavity is connected to the left end wall of the rotary bevel gear cavity in a rotating fit manner, the fixed gear shaft is fixedly connected with a fixed gear positioned in the fixed gear cavity, the fixed gear is meshed with the movable gear, the fixed gear shaft is also fixedly connected with a secondary rotating bevel gear positioned in the rotating bevel gear cavity, and the secondary rotating bevel gear is meshed with the primary rotating bevel gear.
On the basis of the technical scheme, a trigger magnetic block positioned on the left side of the movable gear cavity is arranged in the milling cutter box, a trigger slider cavity corresponding to the trigger magnetic block is arranged on the rear end wall of the milling cutter box cavity in a communicated manner, a trigger slider is connected in the trigger slider cavity in a sliding fit manner, a locking pin groove with a rightward opening is arranged in the trigger slider, a trigger slider spring is fixedly connected between the upper end surface of the trigger slider and the upper end wall of the trigger slider cavity, a second pull rope is fixedly connected to the upper end surface of the trigger slider, the other end of the second pull rope is fixedly connected to the right end surface of the movable disk, a third pull rope is fixedly connected to the upper end surface of the trigger slider, the other end of the third pull rope is fixedly connected to the rear end surface of the tensioning block, a locking pin cavity is arranged on the right end wall of the trigger slider cavity in a communicated manner, the locking pin right-hand member face with fixedly connected with locking pin spring between the locking pin chamber right-hand member wall, milling cutter case chamber rear end wall intercommunication is equipped with and is located the locking slider chamber on trigger slider chamber right side, locking slider intracavity sliding fit is connected with the locking slider, locking slider up end with fixedly connected with locking slider spring between the locking slider chamber upper end wall, locking slider up end still fixedly connected with fourth stay cord, the other end of fourth stay cord with locking pin right-hand member face fixed connection.
The invention has the beneficial effects that: the automatic grinding of a plurality of cutting edges is completed by controlling the end milling cutter to rotate a certain angle when feeding at every time, the workload of workers is reduced, the grinding efficiency is improved, the quality of the cutting edges of the milling cutter is improved, the shapes of the cutting edges are consistent, in addition, the grinding of different end milling cutters and the grinding of multi-surface cutting edges can be completed through the corner adjusting mechanism and the grinding wheel grinding angle adjusting mechanism, the universality of the device is improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the whole structure of an automatic grinding device for the cutting edge of an end mill with an adjustable corner of the invention.
Fig. 2 is a schematic sectional view of a-a in fig. 1.
FIG. 3 is a schematic cross-sectional view of B-B in FIG. 1.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
Fig. 5 is an enlarged schematic view of fig. 2 at D.
Fig. 6 is an enlarged schematic view of fig. 2 at E.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-6, the automatic grinding device for the cutting edge of the end mill with the adjustable corner comprises a main box body 10, a milling cutter box cavity 11 with a forward opening is arranged in the main box body 10, a milling cutter box 32 is connected in the milling cutter box cavity 11 in a sliding fit manner, a moving gear cavity 30 with a backward opening is arranged in the milling cutter box 32, a milling cutter shaft 47 extending leftwards into the moving gear cavity 30 and rightwards into the milling cutter box cavity 11 is connected to the right end wall of the moving gear cavity 30 in a rotating fit manner, an end mill 48 positioned in the milling cutter box cavity 11 is connected to the milling cutter shaft 47 in a spline fit manner, a moving gear 29 positioned in the moving gear cavity 30 is fixedly connected to the milling cutter shaft 47, a fixed gear cavity 31 is communicated with the rear end wall of the milling cutter box cavity 11, a rotating bevel gear cavity 45 is arranged on the right side of the fixed gear cavity 31, an adjusting sleeve cavity 97 is arranged on the rear side of the rotating bevel, the left end wall of the adjusting sleeve cavity 97 is communicated with an adjusting friction wheel cavity 96, the lower side of the adjusting friction wheel cavity 96 is provided with an intermediate friction wheel cavity 92, the left end wall of the intermediate friction wheel cavity 92 is communicated with a transmission friction wheel cavity 38, the rear side of the transmission friction wheel cavity 38 is provided with a belt wheel cavity 82 extending leftwards, the right end wall of the milling cutter box cavity 11 is communicated with a grinding cavity 27, the left side of the milling cutter box cavity 11 is provided with a feed gear cavity 50, the left end wall of the feed gear cavity 50 is communicated with a torsion spring cavity 53, the right end wall of the feed gear cavity 50 is connected with a feed screw 49 extending leftwards into the milling cutter box cavity 11 and leftwards into the torsion spring cavity 53 in a rotating and matching manner, the feed screw 49 is connected with the milling cutter box 32 in a threaded and matching manner, and a torsion spring 52 positioned in the torsion spring cavity 53 is fixedly connected between the left end surface of the, a clutch sleeve cavity 54 is arranged on the rear side of the feeding gear cavity 50, a worm gear cavity 61 which is located on the rear side of the milling cutter box cavity 11 and extends upwards is arranged on the right side of the clutch sleeve cavity 54, a worm shaft 59 which extends rightwards into the worm gear cavity 61 and extends leftwards into the clutch sleeve cavity 54 is arranged on the left end wall of the worm gear cavity 61 in a communicating mode, a clutch sleeve 55 is connected to the worm shaft 59 in a spline fit mode, a sleeve gear 56 located in the clutch sleeve cavity 54 is fixedly connected to the clutch sleeve 55, a movable disc 57 located on the right side of the sleeve gear 56 is connected to the clutch sleeve 55 in a rotating fit mode, and four movable disc springs 58 which are circumferentially and uniformly distributed by taking the worm shaft 59 as the center are fixedly connected to the right end face of the movable disc 57.
In addition, in one embodiment, a friction wheel cavity 15 is arranged on the upper side of the grinding cavity 27, a grinding wheel bevel gear cavity 16 is arranged on the upper side of the friction wheel cavity 15, a grinding wheel knob shaft 19 extending leftwards into the grinding wheel bevel gear cavity 16 and rightwards into the outside is connected to the right end wall of the grinding wheel bevel gear cavity 16 in a rotating fit manner, a grinding wheel knob 20 located outside is fixedly connected to the grinding wheel knob shaft 19, a main grinding wheel bevel gear 18 located in the grinding wheel bevel gear cavity 16 is also fixedly connected to the grinding wheel knob shaft 19, a grinding wheel shaft 22 extending upwards into the grinding wheel bevel gear cavity 16, penetrating downwards into the friction wheel cavity 15 and extending downwards into the grinding cavity 27 is connected to the lower end wall of the grinding wheel bevel gear cavity 16 in a rotating fit manner, a grinding wheel motor 25 is arranged in the grinding wheel shaft 22, a grinding wheel 24 extending leftwards into the grinding cavity 27 is fixedly connected to the left end surface of the grinding wheel, fixedly connected with is located on the emery wheel driving shaft 24 emery wheel 26 in the grinding chamber 27, be equipped with the emery wheel chamber 23 of opening left in the emery wheel 26, fixedly connected with is located on the emery wheel axle 22 from emery wheel bevel gear 17 in emery wheel bevel gear chamber 16, from emery wheel bevel gear 17 with main emery wheel bevel gear 18 meshes, still fixedly connected with is located on the emery wheel axle 22 friction pulley 21 in the friction pulley chamber 15, the intercommunication of friction pulley chamber 15 left end wall is equipped with clutch blocks chamber 13, sliding fit is connected with clutch blocks 14 in the friction blocks chamber 13, clutch blocks 14 left end face with fixedly connected with clutch blocks spring 12 between the clutch blocks chamber 13 left end wall.
In addition, in one embodiment, a feeding motor 80 is disposed in the main box 10 behind the pulley cavity 82, a centrifugal wheel cavity 79 is disposed in the front of the pulley cavity 82, a feeding driving shaft 81 is fixedly connected to the front end wall of the feeding motor 80, the feeding driving shaft extends forward through the pulley cavity 82 and the centrifugal wheel cavity 79 and extends forward into the worm gear cavity 61, a driving pulley 84 is fixedly connected to the feeding driving shaft 81, the feeding driving shaft 81 is further fixedly connected to a centrifugal wheel 88 disposed in the centrifugal wheel cavity 79, eight centrifugal block cavities 85 are disposed in the centrifugal wheel 88, the centrifugal block cavities 85 are circumferentially and uniformly distributed with the feeding driving shaft 81 as a center and open outward, a centrifugal block 87 is slidably connected in the centrifugal block cavity 85, and a centrifugal block spring 86 is fixedly connected between the inner end surface of the centrifugal block 87 and the inner end wall of the centrifugal block cavity 85, the centrifugal wheel cavity 79 is connected with a push block 76 positioned on the left side of the feeding driving shaft 81 in a sliding fit mode, a push block spring 77 is fixedly connected between the left end face of the push block 76 and the left end wall of the centrifugal wheel cavity 79, the left end face of the push block spring 77 is also fixedly connected with a first pull rope 78, the other end of the first pull rope 78 is fixedly connected with the left end face of the friction block 14, the feeding driving shaft 81 is also fixedly connected with a worm wheel 89 positioned in the worm wheel and worm rod cavity 61, the worm shaft 59 is fixedly connected with a worm 60 positioned in the worm wheel and worm rod cavity 61, and the worm 60 is meshed with the worm wheel 89.
In addition, in one embodiment, the front end wall of the pulley cavity 82 is rotatably coupled to a fifth wheel 40 extending rearwardly into the pulley cavity 82 and forwardly into the fifth wheel cavity 38, the driven pulley 41 in the pulley cavity 82 is fixedly connected to the transmission friction pulley shaft 40, a transmission belt 83 located in the pulley cavity 82 is connected between the driven pulley 41 and the driving pulley 84 in a power fit manner, the front end wall of the pulley cavity 82 is communicated with a tensioning block cavity 34, the rear end wall of the pulley cavity 82 is communicated with a tensioning block groove 35 corresponding to the tensioning block cavity 34, a de-tensioning block 36 is in sliding fit in the tensioning block cavity 34, a tensioning block spring 37 is fixedly connected between the front end surface of the tensioning block 36 and the front end wall of the tensioning block cavity 34, the transmission friction wheel shaft 40 is also fixedly connected with a transmission friction wheel 39 positioned in the transmission friction wheel cavity 38.
In addition, in one embodiment, the rear end wall of the middle friction wheel cavity 92 is connected with a middle friction wheel shaft 94 which extends forwards into the middle friction wheel cavity 92 and backwards into the adjusting friction wheel cavity 96 in a rotating fit manner, the middle friction wheel shaft 94 is fixedly connected with a middle friction wheel 93 which is positioned in the middle friction wheel cavity 92, the middle friction wheel 93 is abutted against the transmission friction wheel 39, the middle friction wheel shaft 94 is also fixedly connected with an adjusting friction wheel 95 which is positioned in the adjusting friction wheel cavity 96, the rear end wall of the adjusting sleeve cavity 97 is connected with an adjusting knob shaft 43 which extends forwards into the adjusting sleeve cavity 97 and backwards into the outside in a rotating fit manner, the adjusting knob shaft 43 is connected with a dial 44 which is positioned outside in a rotating fit manner, and the front end face of the dial 44 is fixedly connected with the rear end face of the main box 10, an adjusting knob 42 located outside is fixedly connected to the adjusting knob shaft 43.
In addition, in one embodiment, an adjusting sleeve 98 located in the adjusting sleeve cavity 97 is connected to the adjusting knob shaft 43 in a threaded fit manner, a moving friction wheel shaft 100 extending forward into the rotating bevel gear cavity 45 is connected to the front end surface of the adjusting sleeve 98 in a rotating fit manner, a moving friction wheel 99 located in the adjusting sleeve cavity 97 is fixedly connected to the moving friction wheel shaft 100, the moving friction wheel 99 abuts against the adjusting friction wheel 95, a rotating sleeve 91 extending forward into the rotating bevel gear cavity 45 and extending backward into the main box 10 is connected to the rear end wall of the rotating bevel gear cavity 45 in a rotating fit manner, a main rotating bevel gear 90 located in the rotating bevel gear cavity 45 is fixedly connected to the rotating sleeve 91, a fixed gear shaft 33 extending rightward into the rotating bevel gear cavity 45 and leftward into the fixed gear cavity 31 is connected to the left end wall of the rotating bevel gear cavity 45 in a rotating fit manner, the fixed gear shaft 33 is fixedly connected with a fixed gear 28 positioned in the fixed gear cavity 31, the fixed gear 28 is meshed with the movable gear 29, the fixed gear shaft 33 is also fixedly connected with a driven rotating bevel gear 46 positioned in the rotating bevel gear cavity 45, and the driven rotating bevel gear 46 is meshed with the main rotating bevel gear 90.
In addition, in one embodiment, a trigger magnetic block 63 located on the left side of the moving gear cavity 30 is arranged in the milling cutter box 32, a trigger slider cavity 67 corresponding to the trigger magnetic block 63 is arranged in the rear end wall of the milling cutter box cavity 11 in a communicating manner, a trigger slider 66 is connected in the trigger slider cavity 67 in a sliding fit manner, a locking pin slot 65 with a right opening is arranged in the trigger slider 66, a trigger slider spring 68 is fixedly connected between the upper end surface of the trigger slider 66 and the upper end wall of the trigger slider cavity 67, a second pull rope 69 is also fixedly connected to the upper end surface of the trigger slider 66, the other end of the second pull rope 69 is fixedly connected to the right end surface of the moving disk 57, a third pull rope 70 is also fixedly connected to the upper end surface of the trigger slider 66, the other end of the third pull rope 70 is fixedly connected to the rear end surface of the tensioning block 36, a locking pin cavity 62, a locking pin 64 with a part located in the locking pin groove 65 is connected in the locking pin cavity 62 in a sliding fit manner, a locking pin spring 71 is fixedly connected between the right end face of the locking pin 64 and the right end wall of the locking pin cavity 62, a locking slider cavity 75 located on the right side of the trigger slider cavity 67 is arranged on the rear end wall of the milling cutter box cavity 11 in a communicating manner, a locking slider 74 is connected in the locking slider cavity 75 in a sliding fit manner, a locking slider spring 73 is fixedly connected between the upper end face of the locking slider 74 and the upper end wall of the locking slider cavity 75, a fourth pull rope 72 is further fixedly connected on the upper end face of the locking slider 74, and the other end of the fourth pull rope 72 is fixedly connected with the right.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-6, when the apparatus of the present invention is in the initial state, the milling cutter box 32 is located in the milling cutter box cavity 11 at the leftmost end of the stroke, the trigger magnet 63 is located at the lower side of the trigger slider cavity 67, the trigger slider 66 is located at the lower side of the trigger slider cavity 67 under the magnetic attraction of the trigger magnet 63, the trigger slider spring 68 is in the tension state, the second pull rope 69 and the third pull rope 70 are in the tension state, the moving plate 57 is located at the right side of the clutch sleeve cavity 54 under the tension of the second pull rope 69 to engage the feed gear 51 with the sleeve gear 56, the moving plate spring 58 is in the compression state, the tension block 36 is located in the tension block groove 35 under the tension of the third pull rope 70 to tension the conveyor belt 83 for normal operation, the tension block spring 37 is in the tension state, the push block 76 is located at the left side of the centrifugal wheel 88, the friction block 14 is located at the right side of, the push block spring 77 is in a stretched state, the friction block spring 12 is in a compressed state, the first pull rope 78 is in a tightened state, the locking slider 74 is positioned at the upper side of the locking slider cavity 75, the locking pin 64 is partially positioned in the locking pin groove 65 to lock the trigger slider 66, the locking slider spring 73 and the locking pin spring 71 are in a loosened state, and the fourth pull rope 72 is in a tightened state;
sequence of mechanical actions of the whole device:
when the end mill 48 starts to work, the end mill 48 is fixed on the mill shaft 47, and because the cutting edge of the end mill has three curved surfaces, firstly, the grinding wheel spindle 22 is rotated according to the curved surface to be processed, the grinding wheel spindle 22 drives the grinding wheel knob spindle 19 to rotate, the grinding wheel knob spindle 19 rotates to drive the grinding wheel spindle 22 to rotate through the main grinding wheel bevel gear 18 and the auxiliary grinding wheel bevel gear 17, the grinding wheel spindle 22 rotates to drive the grinding wheel drive shaft 24 and the grinding wheel 26 to rotate, so that the end mill 48 forms an inclined cutting edge during feeding, the grinding wheel motor 25 is started to drive the grinding wheel drive shaft 24 to rotate, and the grinding wheel.
After the grinding wheel 26 rotates, the feeding motor 80 is started, the feeding motor 80 rotates to drive the feeding driving shaft 81 to rotate, the feeding driving shaft 81 rotates to drive the transmission friction wheel shaft 40 to rotate through the driving belt wheel 84, the conveying belt 83 and the driven belt wheel 41, the transmission friction wheel shaft 40 rotates to drive the intermediate friction wheel shaft 94 to rotate through the transmission friction wheel 39 and the intermediate friction wheel 93, the intermediate friction wheel shaft 94 rotates to drive the movable friction wheel shaft 100 to rotate through the adjusting friction wheel 95 and the movable friction wheel 99, the movable friction wheel shaft 100 rotates to drive the rotating sleeve 91 to rotate, the rotating sleeve 91 rotates to drive the fixed gear shaft 33 to rotate through the main rotating bevel gear 90 and the driven bevel gear 46, the fixed gear shaft 33 rotates to drive the milling cutter shaft 47 to rotate through the fixed gear 28 and the movable gear 29, the milling cutter shaft 47 rotates to drive the end face milling cutter 48 to rotate for a, the centrifugal block 87 overcomes the pulling force of the centrifugal block spring 86 to move outwards under the action of centrifugal force so as to push the push block 76, the push block 76 overcomes the pushing force of the push block spring 77 to move leftwards under the action of the pushing force of the centrifugal block 87, the first pull rope 78 is loosened, the friction block 14 moves rightwards under the action of the pushing force of the friction block spring 12 to abut against the friction wheel 21 so as to brake the grinding wheel shaft 22, and the grinding wheel 26 is prevented from deflecting when the end mill is sharpened.
The worm shaft 59 is driven to rotate by the worm wheel 89 and the worm 60 while the feeding driving shaft 81 rotates, the clutch sleeve 55 is driven to rotate by the rotation of the worm shaft 59, the clutch sleeve 55 rotates to drive the feed screw 49 to rotate by the sleeve gear 56 and the feed gear 51, the torsion spring 52 starts to accumulate force, the feed screw 49 rotates to drive the milling cutter box 32 to move rightwards so as to drive the end mill 48 to move rightwards, when the milling cutter box 32 moves to the rightmost end of the stroke, the trigger magnet 63 is positioned at the lower side of the locking slider cavity 75, the locking slider 74 moves downwards and pulls the fourth pull rope 72 under the action of the magnetic attraction force of the trigger magnet 63 and overcomes the pulling force of the locking slider spring 73, the locking pin 64 moves rightwards under the action of the pulling force of the fourth pull rope 72 and overcomes the pushing force of the locking pin spring 71 so as to unlock the trigger slider 66, the trigger, the tensioning block 36 moves forwards under the action of the tension of the tensioning block spring 37 to enable the conveyor belt 83 to loosen and fail to operate normally, in the period that the milling cutter box 32 moves rightwards to the rightmost end of the stroke, the rotating angle of the end milling cutter 48 is just the angle between two adjacent cutting edges, the moving disc 57 moves leftwards under the action of the thrust of the moving disc spring 58 to drive the clutch sleeve 55 to move leftwards to enable the sleeve gear 56 and the feed gear 51 to be disengaged, the feed screw 49 rotates reversely under the action of the torsion spring 52 to drive the milling cutter box 32 to move leftwards to reset, when the milling cutter box 32 moves leftwards, the locking slider 74 loses the magnetic attraction force of the trigger magnetic block 63 and moves upwards under the action of the tension of the locking slider spring 73 to reset, the fourth pull rope 72 is loosened, the locking pin 64 moves leftwards under the thrust of the locking pin spring 71 to reset, and when the trigger magnetic block 63 moves leftwards to return to the initial position The locking pin 64 is used for locking, the trigger slide block 66 moves downwards to pull the second pull rope 69 and the third pull rope 70, the tensioning block 36 moves backwards to re-tension the conveyor belt 83, the clutch sleeve 55 moves rightwards to re-engage the sleeve gear 56 with the feed gear 51, the milling cutter box 32 repeats the process and moves rightwards, and finally the end milling cutter 48 is fed rightwards and simultaneously rotates the adjacent cutting edge spacing angle.
When the turning angle of each feeding is required to be adjusted according to the cutting edge distance angle of different end mills, the adjusting knob 42 is manually rotated according to the dial 44, the adjusting knob 42 is rotated to drive the adjusting knob shaft 43 to rotate, the adjusting knob shaft 43 is rotated to drive the adjusting sleeve 98 and the movable friction wheel shaft 100 to move in the adjusting sleeve cavity 97, and the abutting positions of the movable friction wheel 99 and the adjusting friction wheel 95 are changed to change the angle of each transmission, so that the turning angle of each feeding is adjusted.
The invention has the beneficial effects that: the automatic grinding of a plurality of cutting edges is completed by controlling the end milling cutter to rotate a certain angle when feeding at every time, the workload of workers is reduced, the grinding efficiency is improved, the quality of the cutting edges of the milling cutter is improved, the shapes of the cutting edges are consistent, in addition, the grinding of different end milling cutters and the grinding of multi-surface cutting edges can be completed through the corner adjusting mechanism and the grinding wheel grinding angle adjusting mechanism, the universality of the device is improved, and the production cost is reduced.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic grinding device of end face milling cutter blade of adjustable corner, includes the main tank body, its characterized in that: a milling cutter box cavity with a forward opening is arranged in the main box body, a milling cutter box is connected in the milling cutter box cavity in a sliding fit manner, a moving gear cavity with a backward opening is arranged in the milling cutter box, a milling cutter shaft which extends into the moving gear cavity leftwards and rightwards is connected to the milling cutter box cavity in a rotating fit manner, an end face milling cutter positioned in the milling cutter box cavity is connected to the milling cutter shaft in a spline fit manner, a moving gear positioned in the moving gear cavity is fixedly connected to the milling cutter shaft, a fixed gear cavity is communicated with the rear end wall of the milling cutter box cavity, a rotating bevel gear cavity is arranged on the right side of the fixed gear cavity, an adjusting sleeve cavity is arranged on the rear side of the rotating bevel gear cavity, an adjusting friction wheel cavity is communicated with the left end wall of the adjusting sleeve cavity, a middle friction wheel cavity is arranged on the lower side of the adjusting friction wheel cavity, and a transmission friction wheel cavity is communicated with the left end wall of, the rear side of the transmission friction wheel cavity is provided with a belt wheel cavity extending leftwards, the right end wall of the milling cutter box cavity is communicated with a grinding cavity, the left side of the milling cutter box cavity is provided with a feed gear cavity, the left end wall of the feed gear cavity is communicated with a torsion spring cavity, the right end wall of the feed gear cavity is connected with a feed screw rod which extends leftwards into the milling cutter box cavity and extends leftwards into the torsion spring cavity in a rotating fit manner, the feed screw rod is connected with the milling cutter box in a threaded fit manner, a torsion spring which is positioned in the torsion spring cavity is fixedly connected between the left end surface of the feed screw rod and the left end wall of the torsion spring cavity, the rear side of the feed gear cavity is provided with a clutch sleeve cavity, the right side of the clutch sleeve cavity is provided with a worm wheel and worm cavity which extends upwards and is positioned at the rear side of the milling cutter box cavity, the left end wall of the worm cavity is communicated, the clutch sleeve is connected to the worm shaft in a spline fit mode, a sleeve gear located in a clutch sleeve cavity is fixedly connected to the clutch sleeve, a moving disc located on the right side of the sleeve gear is connected to the clutch sleeve in a rotating fit mode, and four moving disc springs are fixedly connected to the right end face of the moving disc and are evenly distributed on the worm shaft in the circumferential direction.
2. An automatic grinding device for an edge of an adjustable corner face mill according to claim 1, characterized in that: a grinding wheel cavity is arranged on the upper side of the grinding cavity, a grinding wheel bevel gear cavity is arranged on the upper side of the grinding wheel cavity, a grinding wheel knob shaft which extends leftwards into the grinding wheel bevel gear cavity and rightwards into the outside is connected to the right end wall of the grinding wheel bevel gear cavity in a rotating fit manner, a grinding wheel knob which is positioned outside is fixedly connected to the grinding wheel knob shaft, a main grinding wheel bevel gear which is positioned in the grinding wheel bevel gear cavity is also fixedly connected to the grinding wheel knob shaft, a grinding wheel shaft which extends upwards into the grinding wheel bevel gear cavity, downwardly penetrates through the grinding wheel cavity and downwardly extends into the grinding cavity is connected to the lower end wall of the grinding wheel bevel gear cavity in a rotating fit manner, a grinding wheel motor is arranged in the grinding wheel shaft, a grinding wheel driving shaft which extends leftwards into the grinding cavity is fixedly connected to the, the grinding wheel is characterized in that a grinding wheel cavity with a leftward opening is formed in the grinding wheel, a slave grinding wheel bevel gear located in the grinding wheel bevel gear cavity is fixedly connected to a grinding wheel shaft, the slave grinding wheel bevel gear is meshed with the master grinding wheel bevel gear, a friction wheel located in the friction wheel cavity is further fixedly connected to the grinding wheel shaft, a friction block cavity is communicated with the left end wall of the friction wheel cavity, a friction block is connected to the inside of the friction block cavity in a sliding fit mode, and a friction block spring is fixedly connected between the left end face of the friction block and the left end wall of the friction block cavity.
3. An automatic grinding device for an edge of an adjustable corner face mill according to claim 1, characterized in that: a feeding motor positioned at the rear side of the belt wheel cavity is arranged in the main box body, a centrifugal wheel cavity is arranged at the front side of the belt wheel cavity, a feeding driving shaft which penetrates through the belt wheel cavity and the centrifugal wheel cavity forwards and extends into the worm gear cavity is fixedly connected to the front end wall of the feeding motor, a driving belt wheel positioned in the belt wheel cavity is fixedly connected to the feeding driving shaft, a centrifugal wheel positioned in the centrifugal wheel cavity is also fixedly connected to the feeding driving shaft, eight centrifugal block cavities which are circumferentially and uniformly distributed by taking the feeding driving shaft as a center and have outward openings are arranged in the centrifugal wheel, a centrifugal block is connected in the centrifugal block cavity in a sliding fit manner, a centrifugal block spring is fixedly connected between the inner end surface of the centrifugal block and the inner end wall of the centrifugal block cavity, and a pushing block positioned at the left side of the feeding driving shaft is connected in the centrifugal, the centrifugal wheel feed mechanism is characterized in that a push block spring is fixedly connected between the left end face of the push block and the left end wall of the centrifugal wheel cavity, a first pull rope is fixedly connected to the left end face of the push block spring, the other end of the first pull rope is fixedly connected to the left end face of the friction block, a worm wheel located in the worm wheel and worm cavity is fixedly connected to the feed driving shaft, a worm shaft is fixedly connected to the worm shaft and located in the worm wheel and worm cavity, and the worm is meshed with the worm wheel.
4. An automatic grinding device for an edge of an adjustable corner face mill according to claim 1, characterized in that: the pulley chamber front end wall normal running fit is connected and extends to backward the pulley intracavity and extend forward to the transmission friction wheel axle of transmission friction wheel intracavity, transmission friction wheel takes turns to epaxial fixedly connected with and is located the driven pulleys of pulley intracavity, driven pulleys with power fit is connected with and is located between the driving pulley the conveyer belt of pulley intracavity, pulley chamber front end wall intercommunication is equipped with the tensioning piece chamber, pulley chamber rear end wall intercommunication be equipped with the tensioning piece groove that the tensioning piece chamber corresponds, tensioning piece intracavity sliding fit knows the tensioning piece, tensioning piece front end face with fixedly connected with tensioning piece spring between the tensioning piece chamber front end wall, transmission friction wheel takes turns to epaxial fixedly connected with and is located the transmission friction wheel of transmission friction wheel intracavity.
5. An automatic grinding device for an edge of an adjustable corner face mill according to claim 1, characterized in that: the adjusting mechanism is characterized in that the rear end wall of the middle friction wheel cavity is connected with a middle friction wheel shaft which extends forwards into the middle friction wheel cavity and extends backwards into the adjusting friction wheel cavity in a matched mode, the middle friction wheel shaft is fixedly connected with a middle friction wheel which is located in the middle friction wheel cavity, the middle friction wheel is abutted to the transmission friction wheel, the middle friction wheel shaft is fixedly connected with an adjusting friction wheel which is located in the adjusting friction wheel cavity, the rear end wall of the adjusting sleeve cavity is connected with an adjusting knob shaft which extends forwards into the adjusting sleeve cavity and extends backwards into the outside in a matched mode, the adjusting knob shaft is connected with a dial which is located in the outside in a matched mode, the front end face of the dial is fixedly connected with the rear end face of the main box body, and the adjusting knob shaft is fixedly connected with an adjusting knob which is located in.
6. An automatic grinding device for an edge of an adjustable corner face mill according to claim 5, characterized in that: the adjusting knob shaft is in threaded fit connection with an adjusting sleeve positioned in the adjusting sleeve cavity, the front end face of the adjusting sleeve is in rotational fit connection with a movable friction wheel shaft extending forwards into the rotating bevel gear cavity, the movable friction wheel shaft is fixedly connected with a movable friction wheel positioned in the adjusting sleeve cavity, the movable friction wheel is abutted against the adjusting friction wheel, the rear end wall of the rotating bevel gear cavity is in rotational fit connection with a rotating sleeve extending forwards into the rotating bevel gear cavity and backwards extending into the main box body, the rotating sleeve is fixedly connected with a main rotating bevel gear positioned in the rotating bevel gear cavity, the left end wall of the rotating bevel gear cavity is in rotational fit connection with a fixed gear shaft extending rightwards into the rotating bevel gear cavity and leftwards into the fixed gear cavity, and the fixed gear shaft is fixedly connected with a fixed gear positioned in the fixed gear cavity, the fixed gear is meshed with the movable gear, a driven rotating bevel gear positioned in the rotating bevel gear cavity is fixedly connected to the fixed gear shaft, and the driven rotating bevel gear is meshed with the main rotating bevel gear.
7. An automatic grinding device for an edge of an adjustable corner face mill according to claim 1, characterized in that: the milling cutter box is internally provided with a trigger magnetic block positioned on the left side of the movable gear cavity, the rear end wall of the milling cutter box cavity is communicated with a trigger slider cavity corresponding to the trigger magnetic block, the trigger slider cavity is connected with a trigger slider in a sliding fit manner, the trigger slider is internally provided with a locking pin groove with a right opening, a trigger slider spring is fixedly connected between the upper end surface of the trigger slider and the upper end wall of the trigger slider cavity, the upper end surface of the trigger slider is also fixedly connected with a second stay cord, the other end of the second stay cord is fixedly connected with the right end surface of the movable disk, the upper end surface of the trigger slider is also fixedly connected with a third stay cord, the other end of the third stay cord is fixedly connected with the rear end surface of the tensioning block, the right end wall of the trigger slider cavity is communicated with a locking pin cavity, and the locking pin in, the locking pin right-hand member face with fixedly connected with locking pin spring between the locking pin chamber right-hand member wall, milling cutter case chamber rear end wall intercommunication is equipped with and is located the locking slider chamber on trigger slider chamber right side, locking slider intracavity sliding fit is connected with the locking slider, locking slider up end with fixedly connected with locking slider spring between the locking slider chamber upper end wall, locking slider up end still fixedly connected with fourth stay cord, the other end of fourth stay cord with locking pin right-hand member face fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322766.3A CN112338648A (en) | 2020-11-23 | 2020-11-23 | Automatic grinding device of end face milling cutter blade of adjustable corner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322766.3A CN112338648A (en) | 2020-11-23 | 2020-11-23 | Automatic grinding device of end face milling cutter blade of adjustable corner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112338648A true CN112338648A (en) | 2021-02-09 |
Family
ID=74365365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011322766.3A Withdrawn CN112338648A (en) | 2020-11-23 | 2020-11-23 | Automatic grinding device of end face milling cutter blade of adjustable corner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112338648A (en) |
-
2020
- 2020-11-23 CN CN202011322766.3A patent/CN112338648A/en not_active Withdrawn
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Application publication date: 20210209 |