CN112676927A

CN112676927A - Tool grinding device based on numerical control milling machine after continuous tool changing

Info

Publication number: CN112676927A
Application number: CN202110071596.4A
Authority: CN
Inventors: 钟深平
Original assignee: Beijing Yihuansha Technology Co ltd
Current assignee: Beijing Yihuansha Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-20

Abstract

The invention discloses a tool grinding device after continuous tool changing based on a numerical control milling machine, which comprises a grinding box, a grinding cavity with a forward opening is arranged in the grinding box, a rear shaft is rotationally connected with the rear wall of the grinding cavity, the cutter changing plate is fixedly connected on the peripheral surface of the rear shaft, two centrifugal cavities with opposite openings are arranged at the ends, far away from each other, of the cutter changing plate, the two centrifugal cavities are symmetrically distributed and arranged in a left-right mode by taking the center line of the grinding cavity as the center of symmetry, the cutter changing plate can slightly grind the outer surface of each type of milling cutter after the numerical control milling machining in the numerical control milling machine, and through automatically polishing the outer surface of the milling cutter after the numerical control milling machine carries out tool changing, the milling cutter can not influence the machining precision because the scraps and the waste liquid are adhered to the surface of the milling cutter after the milling cutter is machined, so that the machining and manufacturing of workpieces can meet the production requirements.

Description

Tool grinding device based on numerical control milling machine after continuous tool changing

Technical Field

The invention relates to the relevant field of numerical control milling machines, in particular to a tool polishing device after continuous tool changing based on a numerical control milling machine.

Background

The tool magazine is usually used for carrying out tool changing operation on a machined tool in the machining process of the numerical control milling machine, the common tool magazine only carries out tool changing and cannot grind various types of milling cutters and clean scraps and waste liquid adhered to the outer surfaces, and neglecting the cleaning or grinding of the milling cutters can influence the precision of the milling cutters in the next machining and manufacturing process and cause that workpieces cannot meet the production precision requirement.

Disclosure of Invention

In order to solve the problems, the embodiment designs a polishing device for a cutter after continuous cutter changing based on a numerical control milling machine, the polishing device for the cutter after continuous cutter changing based on the numerical control milling machine comprises a polishing box, a polishing cavity with a forward opening is arranged in the polishing box, a rear shaft is rotationally connected with the rear wall of the polishing cavity, a cutter changing plate is fixedly connected with the outer peripheral surface of the rear shaft, two centrifugal cavities with opposite openings are arranged at one ends, which are far away from the left and right ends of the cutter changing plate, the two centrifugal cavities are symmetrically distributed and arranged in a left-right mode by taking the central line of the polishing cavity as the symmetric center, a cutter changing rod is slidably connected with the inner wall of the centrifugal cavity, two symmetric shafts are rotationally connected with the rear wall of the polishing cavity, the two symmetric shafts are symmetrically distributed and arranged in a left-right mode by taking the central line of the polishing cavity as the symmetric center, eight cutter cavities with mutually opposite openings are arranged in the cutter disc, a pushing spring is fixedly connected to the side wall of each cutter cavity, the pushing spring is far away from one end of each pushing spring, a pushing plate is fixedly connected to one end of each pushing spring, a cross cutter is slidably connected between the front wall and the rear wall of the cutter cavity at the upper side, an arc cutter is slidably connected between the front wall and the rear wall of the cutter cavity at the lower side, a ball cutter is slidably connected between the front wall and the rear wall of the cutter cavity close to each other at the left side and the right side, a semicircular cutter is slidably connected between the front wall and the rear wall of the cutter cavity far away from each other at the left side and the right side, a milling cutter is slidably connected between the front wall and the rear wall of the cutter cavity at the upper side at the left side, a turning tool is slidably connected between the front wall and the rear wall of the cutter cavity at the lower, the outer peripheral surface of the closed shaft is fixedly connected with a closed torsion spring, the outer peripheral surface of the closed torsion spring is rotatably connected with a closed plate, the outer peripheral surface of the symmetric shaft is rotatably connected with a guide rod, the upper wall of the polishing cavity is internally provided with two sliding grooves with downward openings, the two sliding grooves are symmetrically distributed and arranged in a bilateral mode by taking the center line of the polishing cavity as the symmetric center, an embedded shaft is rotatably connected between the front wall and the rear wall of each sliding groove, the outer peripheral surface of the embedded shaft is rotatably connected with a sliding wheel, the sliding wheel is slidably and rotatably connected to the inner wall of the sliding groove, the outer peripheral surface of the embedded shaft is rotatably connected with a sliding rod, the front end of the guide rod is fixedly connected with a connecting shaft, one end of the sliding rod, which is close to each other, is rotatably connected with a push rod, a placing groove with an upward opening is arranged in the lower wall of the grinding cavity, a driving motor is fixedly connected to the inner wall of the placing groove, the upper end of the driving motor is in power connection with a driving shaft, a driving bevel gear is fixedly connected to the outer peripheral surface of the driving shaft, a front bevel gear is fixedly connected to the upper end of the driving shaft, a rotating threaded shaft is fixedly connected to the upper end of the front bevel gear, a clamping threaded block is in threaded connection with the outer peripheral surface of the rotating threaded shaft, a threaded cavity with a downward opening is arranged in the clamping threaded block, a fixing spring is fixedly connected to the upper wall of the grinding cavity, the fixing spring and the clamping threaded block are close to each other, a vertical push plate is fixedly connected to one end of the vertical push plate and the horizontal push plate, a cavity with opposite to the opening is arranged in the, the cavity inner wall on the left side and the right side is connected with a horizontal clamping plate in a sliding mode, one end of the upper side of the vertical push plate is fixedly connected with a supporting L-shaped rod, the lower end of the supporting L-shaped rod is connected to the upper end of the horizontal push plate in a sliding mode, when a numerical control milling machine needs to replace a cutter after machining is completed and the cutter is polished, the driving motor is started at the moment, the driving shaft drives the driving bevel gear to rotate, the rear shaft is driven, the cutter replacing plate rotates, the cutter replacing rod is driven to move away from each other, the cutter replacing rod contacts the sealing plate at the moment and drives the sealing plate to move away from each other, the sealing plate drives the sealing torsion spring and the sealing shaft to rotate, and at the moment, the milling cutter, the cross cutter, the turning tool, the ball head cutter, the boring cutter, the, Any one of the arc-shaped knife, the end face knife and the semicircular knife is magnetically attracted to one end of the knife changing rod which is far away from each other, the push plate and the push spring are far away from each other to move so as to push out the knife to be polished, the knife disc and the symmetric shaft rotate so as to change the knife, at the moment, the drive shaft rotates to drive the front bevel gear and the rotating threaded shaft to rotate so as to drive the clamping threaded block and the vertical push plate to move close to each other, at the moment, the knife changing rod moves the knife between the vertical clamping plate and the rear side of the horizontal clamping plate, at the moment, the symmetric shaft drives the guide rods to move close to each other so as to drive the connecting shaft to rotate, so as to drive the sliding rods to move close to each other, so as to drive the embedding shaft and the sliding wheel to slide and rotate on the inner wall of the sliding groove, so, The horizontal push plate and the fixed rod move close to each other, so that a cutter at one end, away from one end of the cutter changing rod, of the cutter changing rod is attracted to the position between the horizontal clamping plate and the vertical clamping plate through a magnetic force, the cutter is clamped and fixed by the vertical clamping plate and the horizontal clamping plate, and the cutter continues to be subjected to numerical control milling processing.

Preferably, the lower wall of the polishing cavity is fixedly connected with two fixed bases, the two fixed bases are arranged in bilateral symmetry distribution by taking the central line of the polishing cavity as a symmetry center, a horizontal groove with an upward opening is arranged in each fixed base, two lubrication ports with opposite openings are arranged in the side walls which are far away from each other from the left and the right of the horizontal groove, the two lubrication ports are arranged in bilateral symmetry distribution by taking the central line of the horizontal groove as a symmetry center, the inner walls of the lubrication ports which are close to each other are rotatably connected with a driven shaft, the inner walls of the lubrication ports which are far away from each other are rotatably connected with an extension shaft, an embedded threaded shaft is fixedly connected between the extension shaft and the driven shaft, an auxiliary rod with opposite internal threads and a threaded block are in threaded connection on the peripheral surface of the embedded threaded shaft, the front end of the threaded block is fixedly connected with two clamping shafts, and, fixedly connected with centre gripping torsional spring on the centre gripping axle outer peripheral face, it is connected with the supporting rod to rotate on the centre gripping torsional spring outer peripheral face, and is right when needs different milling cutters in the cutter dish are polished, this moment the driven shaft rotates, and then drives embedding threaded spindle the extension axle rotates, embedding threaded spindle rotates and then drives the screw thread piece with the auxiliary rod is close to the removal each other, the screw thread piece removes, and then will cutter centre gripping in the cutter dish in between the supporting rod, this moment the supporting rod drives the centre gripping axle with the centre gripping torsional spring rotates, and the removal of auxiliary rod is right the removal appears when screw thread piece centre gripping cutter stabilizes the cutter that prevents to polish.

Preferably, one end of the driven shaft close to each other is fixedly connected with a driven bevel gear, the lower end of the driven bevel gear is meshed with the driving bevel gear, the front end of the rear shaft is fixedly connected with a rear bevel gear, the rear end of the front bevel gear is meshed with the rear bevel gear, one end of the extension shaft far away from each other is fixedly connected with a side bevel gear, the left side wall and the right side wall of the polishing cavity are mutually far away from each other and are internally provided with vertical grooves with opposite openings, the lower wall of each vertical groove is rotatably connected with a vertical shaft, the upper end of each vertical shaft is fixedly connected with a vertical bevel gear, one end of each vertical bevel gear close to each other is meshed with the upper end of the side bevel gear, the upper end of each vertical bevel gear is fixedly connected with a vertical threaded shaft, the upper end of each, at the moment, the driving bevel gear rotates to drive the driven bevel gear to rotate, and then the driven shaft is driven to rotate, and then the extension shaft is driven to rotate, and then the side bevel gear is driven to rotate, and then the vertical bevel gear and the vertical shaft are driven to rotate, and then the vertical threaded shaft is driven to rotate, so that the cutter is polished, when the cutter needs to be replaced, the driving bevel gear rotates to drive the front bevel gear to rotate, and then the rear bevel gear and the rear shaft are driven to rotate, so that the cutter replacing operation is carried out.

Preferably, the outer peripheral surface of the vertical threaded shaft is in threaded connection with two cross rods with opposite internal threads, a cross shaft is rotatably connected between the cross rods, a transverse rod is rotatably connected to the outer peripheral surface of the front side of the cross shaft, one end of the transverse rod is fixedly connected with a side plate, the other end of the side plate is fixedly connected with a middle rod and two symmetrical rods, the two symmetrical rods are vertically and symmetrically distributed by taking the central line of the side plate as a symmetrical center, one end of the symmetrical rod and one end of the middle rod, which are close to each other, are fixedly connected with a front embedded shaft, a polishing wheel is rotatably connected to the outer peripheral surface of the front embedded shaft, six polishing devices are fixedly connected to the outer peripheral surface of the polishing wheel, and when the side edges of different milling cutters need to be polished, the vertical threaded shaft rotates to drive the cross rods to move close to each other, and then the cross shaft is driven to rotate, so that the transverse rod, the side plates, the symmetrical rod, the middle rod, the polishing wheel, the front embedded shaft and the polisher are driven to move close to each other, at the moment, the polisher is in contact with the side edge of the milling cutter to rotate, and then the milling cutter is polished at the side edge position.

Preferably, the rear wall of the grinding cavity is rotationally connected with two grinding shafts which are distributed symmetrically left and right by taking the central line of the grinding cavity as a symmetric center, the outer circumferential surface of the polishing shaft is fixedly connected with a polishing disc, the outer circumferential surface of the polishing disc is provided with four polishing grooves with back-to-back openings, the grinding grooves are fixedly connected with grinding rods on the side walls close to each other, the ends of the grinding rods far away from each other are fixedly connected with a front shaft, the peripheral surface of the front shaft is rotatably connected with a polishing knife, six polishing heads are fixedly connected with the peripheral surface of the polishing knife, when the outer surfaces of different milling cutters need to be polished, the polishing shaft rotates, thereby driving the polishing disc to rotate, further driving the polishing rod, the polishing knife and the polishing head to rotate, the polishing head and the polishing knife rotate under the action of centrifugal force so as to polish the knife.

Preferably, a side belt pulley is fixedly connected to the outer peripheral surface of the symmetric shaft, a front belt pulley is fixedly connected to the outer peripheral surface of the polishing shaft, a driving belt pulley is fixedly connected to the outer peripheral surface of the rear shaft, a driving belt is rotatably connected between the driving belt pulley and the front belt pulley, a side belt is rotatably connected between the front belt pulley and the side belt pulley, when different milling cutters need to be continuously changed and polished by the numerical control milling machine, the rear shaft rotates at the moment, the driving belt pulley rotates, the driving belt, the front belt pulley and the polishing shaft rotate, the side belt pulley and the symmetric shaft rotate, the symmetric shaft and the rear shaft drive the cutter to be changed, and the polishing shaft drives the polishing cutter.

The invention has the beneficial effects that: the milling cutter grinding device has the advantages that the milling cutter grinding device can slightly grind the outer surface of each type of milling cutter after the numerical control milling machining is finished in the numerical control milling machine, and the outer surface of the milling cutter is automatically ground after the milling cutter is subjected to tool changing in the numerical control milling machine, so that the milling cutter is prevented from influencing the machining precision due to the fact that waste chips and waste liquid are adhered to the surface of the milling cutter after the milling cutter is finished, and the machining and manufacturing of workpieces can meet production requirements.

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 diagram of the overall structure of a tool grinding device after continuous tool changing based on a numerically controlled milling machine.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Fig. 6 is an enlarged schematic view of E in fig. 1.

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.

The invention relates to a grinding device for continuously changing cutters after numerical control milling machine, which comprises a grinding box 11, wherein a grinding cavity 12 with a forward opening is arranged in the grinding box 11, a rear shaft 94 is rotationally connected to the rear wall of the grinding cavity 12, a cutter changing plate 25 is fixedly connected to the outer peripheral surface of the rear shaft 94, two centrifugal cavities 24 with opposite openings are arranged at the ends, away from each other, of the cutter changing plate 25, the two centrifugal cavities 24 are symmetrically distributed and arranged in a left-right mode by taking the central line of the grinding cavity 12 as a symmetric center, a cutter changing rod 20 is slidably connected to the inner wall of the centrifugal cavity 24, two symmetric shafts 45 are rotationally connected to the rear wall of the grinding cavity 12, the two symmetric shafts 45 are symmetrically distributed and arranged in a left-right mode by taking the central line of the grinding cavity 12 as a symmetric center, a cutter disc 51 is fixedly connected to the outer peripheral surface of the symmetric shafts 45, eight cutter cavities 53 with opposite openings are arranged in, a pushing spring 57 is fixedly connected to the side walls of the cutter cavities 53 close to each other, one end of the pushing spring 57 far away from each other is fixedly connected with a pushing plate 49, a cross-shaped cutter 52 is slidably connected between the front and rear walls of the cutter cavity 53 at the upper side, an arc-shaped cutter 64 is slidably connected between the front and rear walls of the cutter cavity 53 at the lower side, a ball cutter 60 is slidably connected between the front and rear walls of the cutter cavity 53 close to each other at the left and right sides, a semicircular cutter 48 is slidably connected between the front and rear walls of the cutter cavity 53 far away from each other at the left and right sides, a milling cutter 50 is slidably connected between the front and rear walls of the cutter cavity 53 at the upper left side, a turning cutter 56 is slidably connected between the front and rear walls of the cutter cavity 53 at the upper right side, an end face cutter 47 is slidably connected between the front and rear walls of the cutter cavity 53 at the lower left side, a boring, the outer peripheral surface of the closed shaft 46 is fixedly connected with a closed torsion spring 63, the outer peripheral surface of the closed torsion spring 63 is rotatably connected with a closed plate 55, the outer peripheral surface of the symmetric shaft 45 is rotatably connected with a guide rod 27, the upper wall of the grinding cavity 12 is internally provided with two sliding grooves 28 with downward openings, the two sliding grooves 28 are distributed and arranged in bilateral symmetry by taking the central line of the grinding cavity 12 as a symmetric center, the front and rear walls of the sliding grooves 28 are rotatably connected with an embedded shaft 21, the outer peripheral surface of the embedded shaft 21 is rotatably connected with a sliding wheel 22, the sliding wheel 22 is slidably and rotatably connected to the inner wall of the sliding groove 28, the outer peripheral surface of the embedded shaft 21 is rotatably connected with a sliding rod 23, the front end of the guide rod 27 is fixedly connected with a connecting shaft 26, one end of the sliding rod 23 close to each other is rotatably connected to the outer peripheral surface of the, a horizontal push plate 76 is fixedly connected at one end of the push rod 75 close to each other, a placing groove 42 with an upward opening is arranged in the lower wall of the grinding cavity 12, a driving motor 40 is fixedly connected on the inner wall of the placing groove 42, the upper end of the driving motor 40 is in power connection with a driving shaft 41, a driving bevel gear 39 is fixedly connected on the outer peripheral surface of the driving shaft 41, a front bevel gear 96 is fixedly connected at the upper end of the driving shaft 41, a rotating threaded shaft 84 is fixedly connected at the upper end of the front bevel gear 96, a clamping threaded block 83 is in threaded connection on the outer peripheral surface of the rotating threaded shaft 84, a threaded cavity 85 with a downward opening is arranged in the clamping threaded block 83, a fixed spring 77 is fixedly connected on the upper wall of the grinding cavity 12, a vertical push plate 74 is fixedly connected at one end of the fixed spring 77 and the clamping threaded block 83 close to, a cavity 78 with opposite openings is arranged in the fixed rod 81, a vertical clamping plate 82 is connected to the inner wall of the cavity 78 at the upper side and the lower side in a sliding manner, a horizontal clamping plate 80 is connected to the inner wall of the cavity 78 at the left side and the right side in a sliding manner, a supporting L-shaped rod 79 is fixedly connected to the left end and the right end of the vertical push plate 74 at the upper side, the lower end of the supporting L-shaped rod 79 is connected to the upper end of the horizontal push plate 76 in a sliding manner, when a numerically controlled milling machine needs to replace a tool after machining is finished and the tool is polished, the driving motor 40 is started at the moment, the driving shaft 41 and the driving bevel gear 39 are driven to rotate, the rear shaft 94 and the tool changing plate 25 are driven to rotate, the tool changing rod 20 is driven to move away from each other, the tool changing rod 20 contacts, at this time, the closing plate 55 drives the closing torsion spring 63 and the closing shaft 46 to rotate, at this time, any one of the milling cutter 50, the cross cutter 52, the turning cutter 56, the ball nose cutter 60, the boring cutter 62, the arc cutter 64, the end face cutter 47 and the semicircular cutter 48 is magnetically attracted to one end of the cutter changing rod 20 which is away from each other, the pushing plate 49 and the pushing spring 57 move away from each other to push out the cutter for polishing, the cutter disc 51 and the symmetrical shaft 45 rotate to change the cutter, at this time, the driving shaft 41 rotates to drive the front bevel gear 96 and the rotary threaded shaft 84 to rotate, so as to drive the clamping threaded block 83 and the vertical push plate 74 to move close to each other, at this time, the cutter changing rod 20 moves the cutter between the vertical clamping plate 82 and the rear side of the horizontal clamping plate 80, at this time, the symmetrical shaft 45 drives the guide rods 27 to move close to each other, and then the connecting shaft 26 is driven to rotate, so that the sliding rod 23 is driven to move close to each other, and further the embedded shaft 21 and the sliding wheel 22 are driven to slide and rotate on the inner wall of the sliding groove 28, and further the push rod 75, the horizontal push plate 76 and the fixing rod 81 are driven to move close to each other, so that a cutter at one end, away from each other, of the cutter changing rod 20 is attracted by the magnetic force between the horizontal clamping plate 80 and the vertical clamping plate 82, at the moment, the vertical clamping plate 82 and the horizontal clamping plate 80 clamp and fix the cutter, and at the moment, the cutter continues to perform numerical control milling.

Beneficially, two fixing bases 36 are fixedly connected to the lower wall of the grinding chamber 12, the two fixing bases 36 are symmetrically distributed and arranged with the center line of the grinding chamber 12 as the symmetric center, a horizontal groove 34 with an upward opening is arranged in the fixing base 36, two lubrication ports 37 with opposite openings are arranged in the lateral walls of the horizontal groove 34 away from each other, the two lubrication ports 37 are symmetrically distributed and arranged with the center line of the horizontal groove 34 as the symmetric center, a driven shaft 43 is rotatably connected to the inner wall of the lubrication port 37 close to each other, an extension shaft 13 is rotatably connected to the inner wall of the lubrication port 37 far from each other, an embedded threaded shaft 19 is fixedly connected between the extension shaft 13 and the driven shaft 43, an auxiliary rod 44 and a threaded block 33 with opposite internal threads are connected to the outer peripheral surface of the embedded threaded shaft 19 through threads, and two clamping shafts 29 are fixedly connected to the front end of the threaded block 33, the two clamping shafts 29 are symmetrically distributed and arranged with the central line of the thread block 33 as the symmetrical center, a clamping torsion spring 32 is fixedly connected on the peripheral surface of the clamping shaft 29, a clamping rod 31 is rotatably connected on the peripheral surface of the clamping torsion spring 32, when it is desired to grind different milling cutters in the cutter disc 51, the follower shaft 43 is now rotated, thereby rotating the embedded screw shaft 19 and the extension shaft 13, the embedded screw shaft 19 rotates to drive the screw block 33 and the auxiliary rod 44 to move close to each other, the screw block 33 moves, thereby clamping the tools in the tool tray 51 between the clamping rods 31, at this time, the clamping rods 31 drive the clamping shaft 29 and the clamping torsion spring 32 to rotate, and the movement of the auxiliary rod 44 stabilizes the clamping of the tool by the thread block 33 to prevent the tool from moving when the tool is ground.

Advantageously, a driven bevel gear 38 is fixedly connected to one end of the driven shaft 43 close to each other, the lower end of the driven bevel gear 38 is engaged with the driving bevel gear 39, a rear bevel gear 95 is fixedly connected to the front end of the rear shaft 94, the rear end of the front bevel gear 96 is engaged with the rear bevel gear 95, a side bevel gear 16 is fixedly connected to one end of the extension shaft 13 far from each other, vertical slots 35 with opposite openings are formed in the left and right far side walls of the grinding chamber 12, vertical shafts 14 are rotatably connected to the lower walls of the vertical slots 35, vertical bevel gears 15 are fixedly connected to the upper ends of the vertical shafts 14, one end of the vertical bevel gears 15 close to each other is engaged with the upper ends of the side bevel gears 16, vertical threaded shafts 17 are fixedly connected to the upper ends of the vertical threaded shafts 15, and the upper ends of the vertical threaded shafts 17, when the side edges and the lower side positions of different milling cutters need to be polished, the bevel gear 39 is driven to rotate at the moment, so that the driven bevel gear 38 is driven to rotate, the driven shaft 43 is driven to rotate, the extension shaft 13 is driven to rotate, the side bevel gear 16 is driven to rotate, the vertical bevel gear 15 and the vertical shaft 14 are driven to rotate, the vertical threaded shaft 17 is driven to rotate, the cutters are polished, and when the cutters need to be replaced, the bevel gear 39 is driven to rotate, so that the front bevel gear 96 is driven to rotate, the rear bevel gear 95 and the rear shaft 94 are driven to rotate, and therefore the cutters are replaced.

Beneficially, two cross rods 18 with opposite internal threads are screwed on the outer peripheral surface of the vertical threaded shaft 17, a cross shaft 30 is rotatably connected between the cross rods 18, a transverse rod 86 is rotatably connected on the outer peripheral surface of the front side of the cross shaft 30, one end of the transverse rod 86, which is close to the left and right, is fixedly connected with a side plate 91, one end of the side plate 91, which is close to the left and right, is fixedly connected with a middle rod 92 and two symmetrical rods 90, the two symmetrical rods 90 are distributed and arranged in an up-and-down symmetrical manner with the center line of the side plate 91 as the symmetry center, one end of the symmetrical rods 90, which is close to the middle rod 92, is fixedly connected with a front embedded shaft 89, a polishing wheel 87 is rotatably connected on the outer peripheral surface of the front embedded shaft 89, six polishing devices 88 are fixedly connected on the outer peripheral surface of the polishing wheel 87, when the side edges of different milling cutters need to, and further drives the cross rods 18 to move close to each other, and further drives the cross shaft 30 to rotate, and further drives the transverse rods 86, the side plates 91, the symmetrical rods 90, the middle rods 92, the polishing wheels 87, the front embedded shaft 89 and the polisher 88 to move close to each other, and at this time, the polisher 88 contacts with the side of the milling cutter to rotate, and further polishes the side position of the milling cutter.

Beneficially, the rear wall of the grinding cavity 12 is rotatably connected with two grinding shafts 65, the two grinding shafts 65 are symmetrically distributed with the center line of the grinding cavity 12 as the symmetry center, the outer peripheral surface of the grinding shaft 65 is fixedly connected with a grinding disc 68, the outer peripheral surface of the grinding disc 68 is provided with four grinding grooves 73 with opposite openings, the grinding grooves 73 are close to the side wall and fixedly connected with grinding rods 66, the ends of the grinding rods 66 far away from each other are fixedly connected with a front shaft 71, the outer peripheral surface of the front shaft 71 is rotatably connected with a grinding knife 67, the outer peripheral surface of the grinding knife 67 is fixedly connected with six grinding heads 69, when the outer surfaces of different milling cutters need to be ground, at this time, the grinding shafts 65 rotate to drive the rotary grinding disc 68, and further drive the grinding rods 66, the grinding knife 67 and the grinding head 69 to rotate, the grinding head 69 and the grinding blade 67 rotate under the action of centrifugal force to grind the blade.

Beneficially, a side belt pulley 61 is fixedly connected to the outer peripheral surface of the symmetry axis 45, a front belt pulley 72 is fixedly connected to the outer peripheral surface of the grinding axis 65, a driving belt pulley 93 is fixedly connected to the outer peripheral surface of the rear axis 94, a driving belt 70 is rotatably connected between the driving belt pulley 93 and the front belt pulley 72, a side belt 58 is rotatably connected between the front belt pulley 72 and the side belt pulley 61, when a numerical control milling machine is required to continuously change tools and grind different milling cutters, the rear axis 94 rotates at the moment, and then the driving belt pulley 93 rotates, and then the driving belt 70, the front belt pulley 72, and the grinding axis 65 rotate, and then the side belt 58, the side belt pulley 61, and the symmetry axis 45 rotate, and the symmetry axis 45 and the rear axis 94 drive tools to be changed, the grinding shaft 65 drives the grinding cutter.

The following will describe in detail the use steps of a tool grinding device after continuous tool changing based on a numerically controlled milling machine with reference to fig. 1 to 6:

initially, the driving motor 40 is in a closed state, the milling cutter 50, the cross cutter 52, the turning cutter 56, the ball cutter 60, the boring cutter 62, the arc cutter 64, the end face cutter 47 and the semi-circle cutter 48 are located in the cutter cavity 53, the pushing plate 49 and the pushing spring 57 are located at mutually close positions, the cross rod 18 is located at a mutually far position, the thread block 33 and the auxiliary rod 44 are located at mutually far positions, the cutter changing plate 25 is located at any position, the horizontal pushing plate 76, the horizontal clamping plate 80 and the vertical clamping plate 82 are located at mutually far positions, the side plate 91 is located at a mutually far position, and the closing plate 55 is located at a closed state.

When the numerical control milling machine is used and the cutter needs to be replaced after machining is finished, and when the cutter needs to be used and ground, the driving motor 40 is started at the moment, the driving shaft 41 and the driving bevel gear 39 are driven to rotate, the rear shaft 94 and the cutter changing plate 25 are driven to rotate, the cutter changing rod 20 is driven to move away from each other, the cutter changing rod 20 contacts the sealing plate 55 at the moment, the sealing plate 55 is driven to move away from each other and turn over, the sealing plate 55 drives the sealing torsion spring 63 and the sealing shaft 46 to rotate, the milling cutter 50, the cross cutter 52, the turning cutter 56, the ball head cutter 60, the boring cutter 62, the arc cutter 64, the end face cutter 47 and the semicircular cutter 48 are magnetically attracted to one end, away from each other, of the cutter changing rod 20, the pushing plate 49 and the pushing spring 57 move away from each other to push out the cutter for grinding, the cutter disc 51 and the symmetrical shaft 45 rotate to change the cutter, and the, The rotating threaded shaft 84 rotates to further drive the clamping threaded block 83, the vertical push plate 74 moves close to each other, the cutter changing rod 20 moves the cutter between the rear side of the vertical clamping plate 82 and the rear side of the horizontal clamping plate 80, the symmetric shaft 45 drives the guide rod 27 to move close to each other, the connecting shaft 26 is further driven to rotate, the sliding rod 23 is further driven to move close to each other, the embedded shaft 21 is further driven, the sliding wheel 22 slides and rotates on the inner wall of the sliding groove 28, the push rod 75 is further driven, the horizontal push plate 76 and the fixing rod 81 move close to each other, the cutter at one end, far away from each other, of the cutter changing rod 20 is further magnetically attracted between the horizontal clamping plate 80 and the vertical clamping plate 82, the cutter is clamped and fixed by the vertical clamping plate 82 and the horizontal clamping plate.

When different milling cutters in the cutter disc 51 need to be polished, the driven shaft 43 rotates to further drive the embedded threaded shaft 19 and the extension shaft 13 to rotate, the embedded threaded shaft 19 rotates to further drive the threaded block 33 and the auxiliary rod 44 to move close to each other, the threaded block 33 moves to further clamp the cutters in the cutter disc 51 between the clamping rods 31, the clamping rods 31 drive the clamping shafts 29 and the clamping torsion springs 32 to rotate, the auxiliary rod 44 moves to firmly clamp the cutters by the threaded block 33 to prevent the cutters from moving during polishing, when the side edges and the lower side positions of different milling cutters need to be polished, the bevel gear 39 is driven to rotate to further drive the driven bevel gear 38 to rotate to further drive the driven shaft 43 to rotate to further drive the extension shaft 13 to rotate to further drive the side bevel gear 16 to rotate to further drive the vertical bevel gear 15 and the vertical shaft 14 to rotate, and then the vertical threaded shaft 17 is driven to rotate, and the cutter is further polished, and when the cutter needs to be replaced, the drive bevel gear 39 rotates to drive the front bevel gear 96 to rotate, and further drive the rear bevel gear 95 and the rear shaft 94 to rotate, so that the cutter replacing operation is performed.

When the side edges of different milling cutters need to be polished, the vertical threaded shaft 17 rotates to drive the cross rod 18 to move close to each other, the cross shaft 30 is driven to rotate, the transverse rod 86, the side edge plate 91, the symmetrical rod 90, the middle rod 92, the polishing wheel 87, the front embedded shaft 89 and the polisher 88 move close to each other, the polisher 88 contacts the side edge of the milling cutter to rotate, the side edge position of the milling cutter is polished, when the outer surfaces of different milling cutter cutters need to be polished, the polishing shaft 65 rotates to drive the polishing disc 68 to rotate, the polishing rod 66, the polishing knife 67 and the polishing head 69 rotate, the polishing head 69 and the polishing knife 67 rotate under the action of centrifugal force to polish the cutters, and when the numerical control milling machine needs to realize continuous tool changing and polishing of different milling cutters, the rear shaft 94 rotates, and then drive belt pulley 93 to rotate, and then drive belt 70, leading belt pulley 72, polish axle 65 and rotate, and then drive side belt 58, side belt pulley 61, symmetry axis 45 and rotate, symmetry axis 45 and rear axle 94 drive the tool changing, polish axle 65 and drive the cutter of polishing.

The invention has the beneficial effects that: the invention can slightly polish the outer surface of each type of milling cutter after the numerical control milling processing in the numerical control milling machine is finished, and the outer surface of the milling cutter is automatically polished after the tool is changed in the numerical control milling machine, so that the milling cutter is prevented from influencing the processing precision due to the adhesion of waste chips and waste liquid on the surface of the milling cutter after the milling cutter is finished, and the processing and manufacturing of workpieces can meet the production requirements.

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

1. The utility model provides a cutter grinding device after based on numerical control milling machine tool changing in succession, includes the case of polishing, its characterized in that: a grinding cavity with a forward opening is arranged in the grinding box, a rear shaft is rotationally connected in the rear wall of the grinding cavity, a cutter changing plate is fixedly connected on the peripheral surface of the rear shaft, two centrifugal cavities with opposite openings are arranged at one end, away from each other, of the cutter changing plate, the two centrifugal cavities are symmetrically distributed and arranged in a left-right mode by taking the central line of the grinding cavity as a symmetric center, a cutter changing rod is slidably connected on the inner wall of the centrifugal cavity, two symmetric shafts are rotationally connected in the rear wall of the grinding cavity, the two symmetric shafts are symmetrically distributed and arranged in a left-right mode by taking the central line of the grinding cavity as a symmetric center, a cutter disc is fixedly connected on the peripheral surface of the symmetric shaft, eight cutter cavities with opposite openings are arranged in the cutter disc, pushing springs are fixedly connected on the side walls, which are close to each other, and one end of each pushing, a cross knife is connected between the front wall and the rear wall of the cutter cavity at the upper side in a sliding manner, an arc knife is connected between the front wall and the rear wall of the cutter cavity at the lower side in a sliding manner, a ball-end knife is connected between the front wall and the rear wall of the cutter cavity at the left side and close to each other in a sliding manner, a semicircular knife is connected between the front wall and the rear wall of the cutter cavity at the left side and far from each other in a sliding manner, a milling cutter is connected between the front wall and the rear wall of the cutter cavity at the upper left side in a sliding manner, a turning tool is connected between the front wall and the rear wall of the cutter cavity at the upper right side in a sliding manner, an end face knife is connected between the front wall and the rear wall of the cutter cavity at the lower left side in a sliding manner, a sealing shaft is rotatably connected between the front wall and the, two sliding grooves with downward openings are arranged in the upper wall of the grinding cavity, the two sliding grooves are symmetrically distributed left and right by taking the center line of the grinding cavity as a symmetry center, an embedding shaft is rotatably connected between the front wall and the rear wall of each sliding groove, a sliding wheel is rotatably connected on the outer peripheral surface of the embedding shaft, the sliding wheel is slidably and rotatably connected on the inner wall of each sliding groove, a sliding rod is rotatably connected on the outer peripheral surface of the embedding shaft, the front end of each guide rod is fixedly connected with a connecting shaft, one end of each sliding rod, which is close to each other, is rotatably connected on the outer peripheral surface of the connecting shaft, a push rod is rotatably connected on the outer peripheral surface of the front side of the connecting shaft, one end of each push rod, which is close to each other, is fixedly connected with a horizontal push plate, a placing groove with an upward, the outer peripheral surface of the driving shaft is fixedly connected with a driving bevel gear, the upper end of the driving shaft is fixedly connected with a front bevel gear, the upper end of the front bevel gear is fixedly connected with a rotating threaded shaft, the outer peripheral surface of the rotating threaded shaft is in threaded connection with a clamping threaded block, a threaded cavity with a downward opening is arranged in the clamping threaded block, the upper wall of the polishing cavity is fixedly connected with a fixing spring, one end of the fixing spring, close to the clamping threaded block, is mutually adjacent to a vertical push plate, one end of the vertical push plate, close to the horizontal push plate, is mutually adjacent to a fixed rod, a cavity with an opposite opening is arranged in the fixed rod, the inner walls of the cavities on the upper side and the lower side are slidably connected with a vertical clamping plate, the inner walls of the cavities on the left side, the lower end of the support L-shaped rod is connected to the upper end of the horizontal push plate in a sliding mode.

2. The numerical control milling machine-based tool grinding device after continuous tool changing, which is characterized in that: the lower wall of the grinding cavity is fixedly connected with two fixed bases which are arranged in a bilateral symmetry mode by taking the central line of the grinding cavity as a symmetry center, a horizontal groove with an upward opening is arranged in each fixed base, two lubricating ports with opposite openings are arranged in the side walls which are far away from each other on the left and right sides of the horizontal groove, the two lubricating ports are arranged in a bilateral symmetry mode by taking the central line of the horizontal groove as a symmetry center, driven shafts are rotatably connected to the inner walls of the lubricating ports which are close to each other, extension shafts are rotatably connected to the inner walls of the lubricating ports which are far away from each other, an embedded threaded shaft is fixedly connected between each extension shaft and the driven shaft, an auxiliary rod with opposite internal threads and a threaded block are in threaded connection on the outer peripheral surface of the embedded threaded shaft, two clamping shafts are fixedly connected to the front end of the threaded block, and the two, the clamping shaft is fixedly connected with a clamping torsion spring on the outer peripheral surface, and a clamping rod is rotatably connected on the outer peripheral surface of the clamping torsion spring.

3. The numerical control milling machine-based tool grinding device after continuous tool changing, which is characterized in that: the grinding device comprises a driven shaft, a driving bevel gear, a rear bevel gear, an extension shaft, a vertical groove, a vertical shaft, a vertical threaded shaft and a vertical threaded shaft, wherein the driven shaft is fixedly connected with the driven bevel gear at one end close to the driven shaft, the lower end of the driven bevel gear is meshed with the driving bevel gear, the front end of the rear shaft is fixedly connected with the rear bevel gear, the rear end of the front bevel gear is meshed with the rear bevel gear, the extension shaft is fixedly connected with the side bevel gear at one end away from the extension shaft, the vertical groove with opposite openings is arranged in the left side wall and the right side wall of a grinding cavity, the vertical groove is connected with the vertical shaft in a rotating mode, the vertical bevel gear is fixedly connected with.

4. The numerical control milling machine-based tool grinding device after continuous tool changing, which is characterized in that: threaded connection has two opposite crossbars of internal thread on the perpendicular threaded shaft outer peripheral face, it is connected with the crossing shaft to rotate between the crossbar, it is connected with horizontal pole to rotate on the crossing shaft front side outer peripheral face, be close to one end fixedly connected with side board each other about the horizontal pole, the side board is close to one end fixedly connected with intermediate lever and two symmetrical poles each other, two symmetrical pole with side board central line sets up for symmetry center longitudinal symmetry distribution, symmetrical pole with the intermediate lever is close to the leading embedding axle of one end fixedly connected with each other, it is connected with the wheel of polishing to rotate on the leading embedding shaft outer peripheral face, six polishers of fixedly connected with on the wheel of polishing outer peripheral face.

5. The numerical control milling machine-based tool grinding device after continuous tool changing, which is characterized in that: the grinding machine is characterized in that two grinding shafts are connected to the rear wall of the grinding cavity in a rotating mode, the grinding shafts are arranged with the center line of the grinding cavity as symmetrical centers in a bilateral symmetry mode, a grinding disc is fixedly connected to the outer peripheral face of each grinding shaft, four grinding grooves with openings opposite to each other are formed in the outer peripheral face of the grinding disc, the grinding grooves are close to a grinding rod fixedly connected to the side wall, the grinding rod is far away from a front shaft fixedly connected to one end of the front shaft, a grinding knife is rotatably connected to the outer peripheral face of the front shaft, and six grinding heads are fixedly connected to the outer peripheral face of the grinding knife.

6. The numerical control milling machine-based tool grinding device after continuous tool changing, which is characterized in that: the grinding machine is characterized in that a side belt pulley is fixedly connected to the outer peripheral surface of the symmetric shaft, a front belt pulley is fixedly connected to the outer peripheral surface of the grinding shaft, a driving belt pulley is fixedly connected to the outer peripheral surface of the rear shaft, a driving belt is rotatably connected between the driving belt pulley and the front belt pulley, and a side belt is rotatably connected between the front belt pulley and the side belt pulley.