CN107717135A - A kind of three-dimensional multi-functional beveler - Google Patents

Abstract

A three-dimensional multifunctional chamfering machine, comprising a machine bed, an X-axis linkage device, a Y-axis linkage device, and a Z-axis linkage device; the X-axis linkage device is connected to the machine tool bed through an intermediate sliding box, and the bottom of the intermediate sliding box There are 4 linear guide rail slides arranged in two rows. The two rows of linear guide rail slides are connected to two linear guide rails, and the two linear guide rails are connected to the top of the bed through bolts; Linear guide rails, the two linear guide rails are connected with a chamfering machine overturn positioning mechanism, the bottom of the chamfering machine overturn positioning mechanism is fixed with bolts, and there are 4 linear guide rail slide seats arranged in two rows, and the two rows of linear guide rail slide seats are respectively connected. on two linear guides. The three-dimensional multifunctional chamfering machine of the present invention can complete the chamfering of one end face of the irregular gear at one time by controlling the servo motors of the X-axis linkage device, the Y-axis linkage device and the Z-axis linkage device.

Description

A three-dimensional multifunctional chamfering machine

technical field

The invention relates to a chamfering machine, in particular to a three-dimensional multifunctional chamfering machine for processing gears.

Background technique

When the existing chamfering machines process gears, the domestic chamfering machines can only process regular gears, and a three-dimensional chamfering machine is required to process irregular gears such as arc gears. Domestic three-dimensional multi-functional chamfering machines are not stable enough, while imported three-dimensional chamfering machines are too expensive and complicated to operate.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a three-dimensional multifunctional chamfering machine.

In order to solve the above technical problems, the technical solution proposed by the present invention is: a three-dimensional multifunctional chamfering machine, including a machine bed, an X-axis linkage device, a Y-axis linkage device, and a Z-axis linkage device; the X-axis linkage device passes The middle sliding box is connected to the machine bed, and the bottom of the middle sliding box is provided with 4 linear guide rail slide seats arranged in two rows. Connected to the top of the bed; two linear guide rails are arranged on both sides of the top of the middle slide box, and the two linear guide rails are connected with a chamfering machine flipping positioning mechanism, and the bottom of the chamfering machine flipping positioning mechanism is fixed with four bolts. There are two rows of linear guide rail slide seats, and the two rows of linear guide rail slide seats are respectively connected to two linear guide rails; the top of the bed is provided with a first groove, and the left and right ends of the first groove are provided with a The Y-axis support frame, the Y-axis linkage device is connected to the Y-axis support frame; the Z-axis linkage device is arranged in the flipping positioning mechanism of the chamfering machine.

For the above-mentioned three-dimensional multifunctional chamfering machine, preferably, the X-axis linkage device includes an X-axis support frame, a servo motor seat, a servo motor, a coupling and an X-axis ball screw, and the top of the middle sliding box is provided with a second Two grooves, the front and rear sides of the second groove are respectively connected to the X-axis support frame by bolts, the two ends of the X-axis ball screw pass through the X-axis support frame respectively, and the X-axis ball screw in the front side support frame is equipped with self-aligning Roller bearings and shaft end retaining rings, the X-axis ball screw in the rear X-axis support frame is equipped with angular contact ball bearings, spacers and round nuts, and the middle part of the X-axis ball screw is equipped with a nut, which is reversed with the chamfer The bolt connection at the bottom of the positioning mechanism box; the X-axis support frame at the rear side is connected with a servo motor base, a coupling and a servo motor through bolts.

For the above-mentioned three-dimensional multifunctional chamfering machine, preferably, the Y-axis linkage device includes a Y-axis ball screw, a servo motor seat, a coupling and a servo motor; the two ends of the Y-axis ball screw are respectively connected to the On the Y-axis support frame at both ends of the groove, the Y-axis support frame on the right side of the groove has a servo motor seat, a coupling and a servo motor through bolts, and the Y-axis support frame on the right side of the groove The ball screw is equipped with angular contact ball bearings, spacers, and round nuts. The middle part of the Y-axis ball screw is equipped with a nut, which is connected to the bottom of the middle slide box through bolts; the Y-axis ball in the Y-axis support frame on the left side of the groove The screw rod is equipped with a shaft end retaining ring and a self-aligning roller bearing.

The above-mentioned three-dimensional multifunctional chamfering machine, preferably, a step is provided on the left side of the bed, and a numerical control dividing head is arranged on the step, the numerical control dividing head is connected with the flexible friction clutch, and the clutch female head in the flexible friction clutch It is bolted to the bottom of the turntable spindle of the chamfering machine, the spindle base of the turntable spindle is installed on the bed step, and the top of the spindle of the turntable spindle of the chamfering machine is bolted to the base of the high-precision positioning fixture of the chamfering machine.

The above-mentioned three-dimensional multifunctional chamfering machine, preferably, the top of the turntable main shaft of the chamfering machine can be connected with the base of the large workpiece positioning fixture and the elastic positioning fixture through bolts; The taper at the end of the support in the centering fixture is the same, and the threaded end of the tie rod in the steel ball centering fixture is screwed into the threaded through hole in the middle of the main shaft to fix it. After processing one end chamfer, the gear to be processed on the steel ball centering fixture can be turned around and directly loaded into the taper hole on the top of the main shaft, and the bevel of the gear to be processed and the taper hole on the top of the main shaft are also set with the same taper. After the short tie rod is locked, the other end is chamfered.

For the above-mentioned three-dimensional multifunctional chamfering machine, preferably, the flip positioning mechanism includes a Z-axis linkage device, a gear flip assembly, a milling head angle adjustment assembly, and a z-axis support; the two ends of the z-axis support are respectively provided with An upper z-axis support frame and a lower z-axis support frame, and a z-axis gland is connected above the upper z-axis support frame through bolts; the z-axis linkage device includes a ball screw, a tapered roller bearing, a round nut, a coupling Coupling, servo motor, linear guide rail, iron head turbine box and linear guide rail sliding seat; the coupling is connected with the servo motor in the z-axis servo motor seat, and the ball screw is installed after passing through the upper z-axis support frame Insert tapered roller bearings and round nuts, and then pass through the z-axis gland to connect with the coupling. There are four linear guide slides connected to the right side of the iron head turbine box, and the linear guide slides are slidably connected to the linear guide. The z-axis support is fixedly connected with two linear guide rails by bolts, the connecting nut passes through the ball screw and is connected to the iron head turbine box by bolts, and the power milling head is fixedly connected to the iron head turbine box through the connecting turntable;

The gear overturning assembly includes an overturning assembly and a positioning assembly. The gear overturning assembly is connected to the z-axis support through a connecting plate. Two through holes arranged opposite to each other at 180 degrees are provided on the periphery of the connecting plate. The positioning The assembly includes a positioning sleeve, a positioning sleeve cup and a flipping positioning pin. The two through holes on the connecting plate are respectively connected with a positioning sleeve in the form of an interference connection. The flipping positioning pin is arranged in the positioning sleeve cup, and the positioning sleeve cup The bottom of the cover is provided with a blocking cover, and a spring is arranged between the blocking cover and the overturning positioning pin. The head of the overturning positioning pin is provided with a taper. The taper is the same; the bottom of the flip positioning pin is provided with a motion control assembly of the flip positioning pin;

The milling head angle adjustment assembly includes an indexing shaft and an iron-headed worm, the big end of the indexing shaft is connected with the connecting turntable, a keyway is arranged in the middle of the indexing shaft, and a first turbine is installed in the keyway. The case cover of the iron head turbine box and the bottom of the case are coaxially provided with two holes, and the iron head worm is loaded into the two holes, and the iron head worm is connected with the first turbine.

In the above-mentioned three-dimensional multifunctional chamfering machine, preferably, the motion control assembly of the overturning positioning pin includes a rack and a gear shaft, the rack is fixedly arranged at the lower part of the overturning positioning pin, and the middle part of the positioning sleeve cup is provided with A vacancy similar to being cut by a cylinder, the front and rear sides of the box body of the turnover assembly are coaxially provided with two holes below the vacancy of the positioning sleeve cup, and a gear shaft is provided in the two holes through the first connecting assembly, and the gear The shaft meshes with the rack.

The above-mentioned three-dimensional multifunctional chamfering machine, preferably, the first connection assembly includes a bearing fixedly connected to the gear shaft and a first end cover, the bearing is arranged between the gear shaft and the box, and the control of the gear shaft The handle extends out of the first end cover, and the first end cover is fixed on the casing by 6 bolts.

The above-mentioned three-dimensional multifunctional chamfering machine, preferably, the turning assembly includes a box body and a turning shaft, two through holes are coaxially arranged on the left and right sides of the box body, the turning shaft passes through these two through holes, and the turning over The big end and the small end of the shaft are respectively connected to the box body through the second connection assembly and the third connection assembly, and the second turbine is arranged close to the shoulder of the turning shaft; the second turbine is pressed by the liner, and The moving piece and the round nut are locked on the turning shaft; two holes are coaxially arranged on the front and rear sides of the box directly below the second turbine, and the worm shaft meshing with the second turbine is installed in the two holes, and the worm shaft It is connected to the box body by a third connection assembly; steps are provided on the connection plate, and 6 through holes are provided on the steps, and the big end of the turning shaft is provided with corresponding to the 6 through holes on the steps of the connection plate. There are 6 threaded holes and bolts to connect the turning shaft and the connecting plate.

The above-mentioned three-dimensional multifunctional chamfering machine, preferably, the second connection assembly includes a stopper, a round nut, a spacer, a cylindrical roller bearing and a second end cover; the stopper, a round nut, a spacer , the cylindrical roller bearing and the second end cover are sequentially arranged on the big end of the turning shaft, and the second end cover is provided with a countersunk hole matching with the 6 threaded holes at the left end of the box body, and the bolts are used in the countersunk hole. The second end cover is fixed on the left end of the box body; the third connection assembly includes a tapered roller bearing, a bearing sleeve, a liner, a stopper, a round nut and a gland that are sequentially arranged at the small end of the turning shaft; the bearing The sleeve is fixed on the box by 6 bolts, and the gland is fixed on the bearing sleeve by 6 bolts; the top of the box is provided with positioning pin holes and threaded holes, and the box cover is fixed on the box by bolts after being positioned by the positioning pins. On the body; the iron head turbine box is provided with a zero scale, two holes are arranged on the front and rear sides of the iron head turbine box, six threaded holes are arranged around the front side hole, and the six threaded holes are coaxial around the rear side hole There is a ring T-slot; the connecting turntable is provided with an angle scale and there are two countersunk holes corresponding to the ring T-slot on the connecting turntable, and T-bolts are passed between the countersink and the ring T-slot. Connection; there is also a through hole and a step on the connecting turntable, 6 threaded holes are arranged around the step and are connected with the index shaft bolts, and the connecting turntable is also provided with threaded holes corresponding to the 4 through holes on the power milling head and They are connected by bolts; the bottom of the iron head turbine box is equipped with a tooth-shaped centering and positioning mechanism, and the tooth-shaped centering and positioning mechanism fixes and positions the gear to be processed.

Compared with the prior art, the advantage of the present invention is that the three-dimensional multifunctional chamfering machine of the present invention can complete one end face of an irregular gear at one time by controlling the servo motors of the X-axis linkage device, the Y-axis linkage device and the Z-axis linkage device. chamfering processing.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the three-dimensional multifunctional chamfering machine in the present invention.

Fig. 2 is a top view structural schematic diagram of the three-dimensional multifunctional chamfering machine in the present invention.

Fig. 3 is a side view schematic diagram of the three-dimensional multifunctional chamfering machine in the present invention.

Fig. 4 is a front view structural schematic diagram of the flip positioning mechanism in the present invention.

FIG. 5 is a schematic diagram of an enlarged structure at point A in FIG. 4 .

FIG. 6 is a schematic diagram of an enlarged structure at B in FIG. 4 .

Fig. 7 is a top structural schematic diagram of the flip positioning mechanism in the present invention.

FIG. 8 is a partially enlarged structural schematic diagram of FIG. 7 .

FIG. 9 is a schematic structural view of the processed gear in Embodiment 1. FIG.

FIG. 10 is a schematic structural view of the processed gear in Embodiment 2. FIG.

Fig. 11 is a schematic diagram of the angles of the power milling head in Embodiment 3.

Fig. 12 is a schematic structural view of the processed gear in the third embodiment.

Fig. 13 is a structural schematic diagram of helical tooth chamfering in the present invention.

illustration

1. Machine bed; 2. Intermediate sliding box; 3. Linear guide slide; 4. Linear guide; 5. Y-axis support frame; 6. X-axis support frame; 7. Servo motor base; 8. Servo motor; 9 , Coupling; 10, X-axis ball screw; 11, Y-axis ball screw; 12, CNC dividing head; 13, flexible friction clutch;

14. Z-axis support; 15. Upper Z-axis support frame; 16. Lower Z-axis support frame; 17. Z-axis gland; 18. Z-axis ball screw; 19. Tapered roller bearing; 20. Round nut; 21. Iron head turbine box; 22. Power milling head; 23. Connecting turntable; 24. Connecting plate;

25. Locating sleeve; 26. Locating sleeve cup; 27. Flip positioning pin; 28. Blocking cover; 29. Spring; 30. Indexing shaft; 31. First turbine; 32. Iron head worm; 33. Gear shaft; 34 , vacancy; 35., the first end cover; 36, the box body; 37, the turning shaft; 38, the second turbine; 39, the liner; 40, the worm shaft; 41, the step; 42, the spacer; 43, the cylindrical roller 44, the second end cover; 45, the bearing sleeve; 46, the gland; 47, the box cover; 48, the tooth shape alignment mechanism; 49, the gear to be processed.

detailed description

In order to facilitate the understanding of the present invention, the following will describe the present invention more fully and in detail in combination with preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.

It should be noted that when an element is described as "fixed, affixed, connected or communicated with" another element, it may be directly fixed, affixed, connected or communicated with another element , can also be indirectly fixed, affixed, connected or communicated with another element through other intermediate connectors.

Unless otherwise defined, all technical terms used hereinafter have the same meanings as commonly understood by those skilled in the art. The terminology used herein is only for the purpose of describing specific embodiments, and is not intended to limit the protection scope of the present invention.

Example

A three-dimensional multifunctional chamfering machine as shown in Figures 1-6, including a machine bed 1, an X-axis linkage device, a Y-axis linkage device, and a Z-axis linkage device; the X-axis linkage device is connected to the On the machine bed 1, the bottom of the middle slide box 2 is provided with four linear guide rail slides 3 arranged in two rows. The two rows of linear guide rail slides 3 are connected to two linear guide rails 4. The two linear guide rails 4 are connected by bolts Connected to the top of the bed; two linear guide rails 4 are arranged on both sides of the top of the middle sliding box 2, and the two linear guide rails 4 are connected with a chamfering machine flipping positioning mechanism, and the bottom of the chamfering machine flipping positioning mechanism is fixed with 4 bolts. Two rows of linear guide slides 3 are arranged in two rows, and the two rows of linear guide slides 3 are respectively connected to two linear guides 4; the top of the bed is provided with a first groove, and the left and right ends of the first groove are provided There is a Y-axis support frame 5, and the Y-axis linkage device is connected on the Y-axis support frame 5; the Z-axis linkage device is arranged in the flip positioning mechanism of the chamfering machine.

In this embodiment, the X-axis linkage device includes an X-axis support frame 6, a servo motor base 7, a servo motor 8, a shaft coupling 9, and an X-axis ball screw 10. The top of the middle sliding box 2 is provided with a second groove. The front and rear sides of the two grooves are respectively connected to the X-axis support frame 6 by bolts, and the two ends of the X-axis ball screw 10 pass through the X-axis support frame 6 respectively. Sub-bearings and shaft end retaining rings, the X-axis ball screw 10 in the rear X-axis support frame 6 is equipped with angular contact ball bearings, spacers and round nuts 20, and the middle part of the X-axis ball screw 10 is equipped with nuts. The bottom of the chamfering and positioning mechanism box body 36 is connected by bolts; the X-axis support frame 6 on the rear side is connected with a servo motor base 7, a shaft coupling 9 and a servo motor 8 by bolts.

In this embodiment, the Y-axis linkage device includes a Y-axis ball screw 11, a servo motor base 7, a coupling 9 and a servo motor 8; the two ends of the Y-axis ball screw 11 are connected to the Y shafts at both ends of the first groove On the shaft support frame 5, the Y-axis support frame 5 on the right side of the groove has a servo motor seat 7, a coupling 9 and a servo motor 8 through bolts, and the Y-axis ball wire in the Y-axis support frame 5 on the right side of the groove The rod 11 is equipped with an angular contact ball bearing, a spacer, and a round nut 20, and the middle part of the Y-axis ball screw 11 is equipped with a nut, which is connected to the bottom of the middle sliding box 2 by bolts; it is located in the Y-axis support frame 5 on the left side of the groove The Y-axis ball screw 11 is equipped with a shaft end retaining ring and a self-aligning roller bearing.

In this embodiment, a step 41 is provided on the left side of the bed, and a numerical control indexing head 12 is arranged on the step 41. The numerical control indexing head 12 is connected with the flexible friction clutch 13, and the clutch female head and the chamfered corner of the flexible friction clutch 13 The bottom of the turntable spindle of the machine is bolted, the spindle base of the turntable spindle is installed on the bed step 41, and the top of the spindle of the turntable spindle of the chamfering machine is bolted to the base of the high-precision positioning fixture of the chamfering machine.

In this embodiment, the top of the main shaft of the turntable of the chamfering machine can be connected with the base of the large workpiece positioning fixture and the elastic positioning fixture through bolts; Similarly, the threaded end of the tie rod in the steel ball centering fixture is screwed into the threaded through hole in the middle of the main shaft to fix it.

In this embodiment, the flip positioning mechanism includes a Z-axis linkage device, a gear flip assembly, a milling head angle adjustment assembly, and a z-axis support 14; the two ends of the z-axis support 14 are respectively provided with an upper z-axis support frame 15 and a lower z-axis support frame 15. Axis support frame 16, the top of the upper z-axis support frame 15 is connected with z-axis gland 17 by bolts; Z-axis linkage device includes Z-axis ball screw 18, tapered roller bearing 19, round nut 20, shaft coupling 9, Servo motor 8, linear guide rail 4, iron head turbine box 21 and linear guide rail slide seat 3; coupling 9 is connected with servo motor 8 in z-axis servo motor seat 7, and Z-axis ball screw 18 passes through the upper z-axis support Mount the tapered roller bearing 19 and round nut 20 after the frame 15, and then pass through the z-axis gland 17 to connect with the coupling 9. The right side of the iron head turbine box 21 is connected with four linear guide rail slides 3, and the straight line The rail slider 3 is slidably connected to the linear guide rail 4. Two linear guide rails 4 are fixedly connected to the z-axis support 14 by bolts. The connecting nut passes through the Z-axis ball screw 18 and is connected to the iron head turbine box 21 by bolts. , the power milling head 22 is fixedly connected to the iron head turbine box 21 through the connecting turntable 23;

The gear overturning assembly includes an overturning assembly and a positioning assembly. The gear overturning assembly is connected to the z-axis support 14 through a connecting plate 24. The periphery of the connecting plate 24 is provided with two through holes arranged opposite to each other at 180 degrees. The positioning assembly includes a positioning sleeve 25 , positioning sleeve cup 26 and overturning positioning pin 27, two through holes on the connecting plate 24 are respectively connected with a positioning sleeve 25 by the form of interference connection, the overturning positioning pin 27 is arranged in the positioning sleeve cup 26, the positioning sleeve cup 26 The bottom is equipped with a blocking cover 28, and a spring 29 is arranged between the blocking cover 28 and the overturning positioning pin 27. The taper of the hole and the head of the overturning locating pin 27 is identical; the bottom of the overturning locating pin 27 is provided with a motion control assembly of the overturning locating pin 27;

The milling head angle adjustment assembly includes an indexing shaft 30 and an iron-headed worm 32. The big end of the indexing shaft 30 is connected with the connecting turntable 23. The middle part of the indexing shaft 30 is provided with a keyway, and the first turbine 31 is installed in the keyway. The case cover 47 of the iron head worm gear box 21 is coaxially provided with two holes at the bottom of the case, and the iron end worm screw 32 is loaded into these two holes, and the iron end worm screw 32 is connected with the first turbine 31.

In this embodiment, the motion control assembly of the overturn positioning pin 27 includes a rack and a pinion shaft 33, the rack is fixedly arranged on the lower part of the overturn positioning pin 27, and the middle part of the positioning sleeve cup 26 is provided with a vacancy 34 similar to being cut by a cylinder. The front and rear sides of the box body 36 of the flipping assembly are located at the bottom of the vacancy 34 of the positioning sleeve cup 26 and are coaxially provided with two holes, and a pinion shaft 33 is provided through the first connecting assembly in the two holes, and the pinion shaft 33 is engaged with the rack .

In this embodiment, the first connection assembly includes a bearing fixedly connected to the gear shaft 33 and a first end cover 35, the bearing is arranged between the gear shaft 33 and the box body 36, and the control handle of the gear shaft 33 protrudes from the first end Cover 35, the first end cover 35 is fixed on the box body 36 by 6 bolts.

In this embodiment, the turning assembly includes a box body 36 and a turning shaft 37. Two through holes are coaxially arranged on the left and right sides of the box body 36. The turning shaft 37 passes through these two through holes. The big end of the turning shaft 37 and the small The head ends are respectively connected on the box body 36 through the second connection assembly and the third connection assembly, and a second turbine 38 is arranged close to the shoulder of the turning shaft 37; The plate and the round nut 20 are locked on the turning shaft 37; two holes are coaxially arranged on the front and rear sides of the box body 36 directly below the second worm wheel 38, and the worm meshed with the second worm wheel 38 is installed in the two holes. The shaft 40 and the worm shaft 40 are connected on the box body 36 by the third connecting assembly; the connecting plate 24 is provided with a step 41, and 6 through holes are provided on the step 41, and the big end of the turning shaft 37 is provided with a connecting plate 24 The 6 threaded holes corresponding to the 6 through holes on the step 41 have bolts to connect the turning shaft 37 and the connecting plate 24 .

In this embodiment, the second connection assembly includes a stopper, a round nut 20, a spacer 42, a cylindrical roller bearing 43 and a second end cover 44; a stopper, a round nut 20, a spacer 42, a cylindrical roller bearing 43 and the second end cover 44 are successively arranged on the big end of the turning shaft 37, and the second end cover 44 is provided with a countersunk hole matching with the 6 threaded holes at the left end of the box body 36, and the second end cover is screwed by bolts in the countersunk hole. The end cover 44 is fixed on the left end of the box body 36; the third connecting assembly includes a tapered roller bearing 19, a bearing sleeve 45, a liner 39, a stopper, a round nut 20 and a gland 46 which are sequentially arranged at the small end of the turning shaft 37 The bearing sleeve 45 is fixed on the box body 36 by 6 bolts, and the gland 46 is fixed on the bearing sleeve 45 by 6 bolts; the top of the box body 36 is provided with positioning pin holes and threaded holes, and the box cover 47 is positioned through the positioning pins The rear is fixed on the box body 36 by bolts; the iron head turbine box 21 is provided with a zero scale, the front and rear sides of the iron head turbine box 21 are provided with two holes, six threaded holes are arranged around the front side hole, and six threaded holes are arranged around the rear side hole. A ring T-slot is arranged coaxially with the six threaded holes; an angle scale is provided on the connecting turntable 23 and two countersunk holes corresponding to the ring T-slot are arranged, and the difference between the countersink and the ring T-slot is The connection between them is connected by T-shaped bolts; the connecting turntable 23 is also provided with a through hole and a step 41, 6 threaded holes are arranged around the step 41 and are connected with the index shaft 30 by bolts, and the connecting turntable 23 is also provided with the same power milling head 22 The threaded holes corresponding to the upper 4 through holes are connected by bolts; the bottom of the iron head turbine box 21 is equipped with a tooth-shaped centering positioning mechanism 48, and the tooth-shaped centering positioning mechanism 48 fixes the gear 49 to be processed and position.

Example 1

When such angles as shown in Fig. 9 are reversed, the intersecting line between the tooth end surface and the tooth flank is a plane two-dimensional straight line, and the servo motor 8 of the X-axis linkage device and the Y-axis linkage device must be controlled by PLC in a two-axis linkage manner.

First use the tooth-shaped centering and positioning mechanism 48 to center and position the gear 49 to be processed, the programmable logic controller (PLC) controls the servo motor to adjust the power milling head to the edge of the tooth shape, and rotate the top of the flexible friction clutch 13. The lever connects the male head of the clutch to the female head. PLC controls the X-axis linkage device and the Y-axis linkage device. The turntable main shaft on the clutch 13 and the fixture rotate corresponding angle, and the power milling head 22 enters and continues to chamfer the next tooth. After one side is processed, the CNC dividing head 12 stops rotating, and the worm gear shaft in the overturning positioning mechanism of the chamfering machine is turned to turn the Z-axis support 14 and the power milling head 22 over, and the power milling head 22 moves to the edge of the tooth shape, similarly Chamfer the opposite side.

Example 2

When inverting such angles as shown in Figure 10, because the tooth end surface and the tooth top surface have an oblique angle, the intersection line between the tooth end inclined surface and the tooth flank is a three-dimensional space curve. At this time, the X-axis linkage device, the Y-axis linkage device and The servo motor 8 of the Z-axis linkage is processed in a three-axis linkage manner.

First use the tooth-shaped centering positioning mechanism 48 to center and position the gear 49 to be processed, and then the programmable logic controller (PLC) controls the servo motor 8 to adjust the power milling head 22 to the edge of the tooth shape, and rotate the flexible friction clutch 13 miles. The ejector rod of the clutch connects the male head of the clutch with the female head, and the PLC controls the X-axis linkage device, the Y-axis linkage device and the Z-axis linkage device. The degree head 12 drives the turntable main shaft on the flexible friction clutch 13 and the fixture to rotate a corresponding angle, and the power milling head 22 enters and continues to chamfer the next tooth. After one side is processed, the CNC dividing head 12 stops rotating, and the worm gear shaft in the overturn positioning mechanism of the chamfering machine is turned to turn the Z-axis support 14 and the power milling head 22 over, and the power milling head 22 is moved to the edge of the tooth shape, and at the same time Chamfer the opposite side.

Example 3

When inverting such angles as shown in Figure 12, the tooth end surface is a circular arc surface, and the forming knife must be used to deflect the power milling head by an angle a, and the PLC controls the numerical control dividing head 12 to drive the gear to rotate and the servo motor 8 of the Z-axis linkage device for linkage processing .

First use the gear-shaped centering positioning mechanism 48 to center the gear, and then, as shown in Figure 11 , put the forming knife on the power milling head 22, and turn the iron-headed worm 32 shaft in the iron-headed worm gear box 21 to connect the turntable 23 and The scale on the iron head turbine box 21 rotates the power milling head 22 by a corresponding angle a, and the T-shaped bolts connected to the rotating disk 23 are tightened to fix the angle. The programmable logic controller (PLC) controls the servo motor 8 to move the power milling head 22 to the edge of the tooth shape, and rotates the ejector rod in the flexible friction clutch 13 to connect the male head of the clutch with the female head, and the numerical control dividing head 12 rotates with the After the servo motor 8 of the Z-axis linkage device finishes machining each tooth, the power milling head 22 exits, and the CNC dividing head 12 continues to drive the turntable spindle on the flexible friction clutch 13 and the gears on the fixture to rotate by a corresponding angle. The power milling head 22 enters and continues to chamfer the next tooth. After one side is processed, the CNC dividing head 12 stops rotating, and the worm gear shaft in the overturning positioning mechanism of the chamfering machine is turned to make the Z-axis support 14 and the power milling head 22 turn over, and the PLC controls the servo motor to move the power milling head 22 to the gear. Shape edge, and chamfer the opposite side in the same way.

As shown in Figure 13, the three-dimensional multifunctional chamfering machine can be used not only for straight tooth chamfering but also for helical tooth chamfering. Input the tooth width B and the helix angle β in the PLC, and the PLC can calculate the phase difference S=hxtanβ of the CNC dividing head when machining the reverse side and the front side. When the reverse side is reversed, the PLC will compensate the phase difference and then chamfer normally.

The chamfering machine can chamfer the range of gears:

Gear diameter: 100-2000mm

Gear modulus: 1.5-20

Gear tooth profile angle: 14.5°-30°.

Claims (10)

1. A three-dimensional multifunctional chamfering machine is characterized in that: it comprises a machine bed, an X-axis linkage, a Y-axis linkage, and a Z-axis linkage; the X-axis linkage is connected on the machine bed by an intermediate slide box , the bottom of the middle sliding box is provided with 4 linear guide rail slide seats arranged in two rows, the two rows of linear guide rail slide seats are connected on two linear guide rails, and the two linear guide rails are connected to the top of the bed by bolts; There are two linear guide rails on both sides of the top of the middle sliding box, and the two linear guide rails are connected with a chamfering machine flipping positioning mechanism, and the bottom of the chamfering machine flipping positioning mechanism is fixed by bolts. The two rows of linear guide rail slide seats are respectively connected to the two linear guide rails; the top of the bed is provided with a first groove, and the left and right ends of the first groove are provided with a Y-axis support frame. The shaft linkage device is connected to the Y-axis support frame; the Z-axis linkage device is arranged in the overturning positioning mechanism of the chamfering machine. 2. The three-dimensional multifunctional chamfering machine according to claim 1, characterized in that: the X-axis linkage device includes an X-axis support frame, a servo motor seat, a servo motor, a shaft coupling and an X-axis ball screw, and the The top of the middle sliding box is provided with a second groove, the front and rear sides of the second groove are respectively connected to the X-axis support frame by bolts, the two ends of the X-axis ball screw pass through the X-axis support frame respectively, and the X-axis support frame in the front side The shaft ball screw is equipped with self-aligning roller bearings and shaft end retaining rings, the X-axis ball screw in the rear X-axis support frame is equipped with angular contact ball bearings, spacers and round nuts, and the middle part of the X-axis ball screw is equipped with Nut, this nut is connected with the bolt at the bottom of the casing of the chamfering flip positioning mechanism; the X-axis support frame at the rear side is connected with a servo motor seat, a shaft coupling and a servo motor by bolts. 3. The three-dimensional multifunctional chamfering machine according to claim 1, characterized in that: the Y-axis linkage device includes a Y-axis ball screw, a servo motor seat, a coupling and a servo motor; the Y-axis ball screw The two ends of the rod are respectively connected to the Y-axis support frame at both ends of the first groove, and the Y-axis support frame on the right side of the groove has a servo motor seat, a shaft coupling and a servo motor through bolts, and the right side of the groove The Y-axis ball screw in the Y-axis support frame is equipped with angular contact ball bearings, spacers, and round nuts. The middle part of the Y-axis ball screw is equipped with nuts, and the nuts are connected to the bottom of the middle slide box by bolts; The Y-axis ball screw rod in the Y-axis support frame is equipped with a shaft end retaining ring and a self-aligning roller bearing. 4. The three-dimensional multifunctional chamfering machine according to claim 1, characterized in that: a step is provided on the left side of the bed, a numerically controlled dividing head is arranged on the step, and the numerically controlled dividing head is connected with a flexible friction clutch, The clutch female head in the flexible friction clutch is bolted to the bottom of the turntable spindle of the chamfering machine, the spindle seat of the turntable spindle is installed on the bed step, and the top of the spindle of the chamfering machine turntable spindle is bolted to the base of the high-precision positioning fixture of the chamfering machine . 5. The three-dimensional multifunctional chamfering machine according to claim 4, characterized in that: the top of the chamfering machine turntable spindle can be connected with the base of the large workpiece positioning fixture and the elastic positioning fixture through bolts; the chamfering machine turntable spindle The taper hole at the top of the middle main shaft is the same as the taper at the end of the support in the steel ball centering fixture, and the threaded end of the tie rod in the steel ball centering fixture is screwed into the threaded through hole in the middle of the main shaft to fix. 6. The three-dimensional multifunctional chamfering machine according to claim 1, characterized in that: the flip positioning mechanism includes a Z-axis linkage device, a gear flip assembly, a milling head angle adjustment assembly, and a z-axis support; the z-axis The two ends of the support are respectively provided with an upper z-axis support frame and a lower z-axis support frame, and a z-axis gland is connected above the upper z-axis support frame through bolts; the z-axis linkage device includes a ball screw, a cone roller bearings, round nuts, couplings, servo motors, linear guides, iron head turbine boxes and linear guide slides; Install tapered roller bearings and round nuts after passing through the z-axis support frame, and then pass through the z-axis gland to connect with the coupling. There are four linear guide rail slides connected to the right side of the iron head turbine box. The seat is slidingly connected to the linear guide rail, and the z-axis support is fixedly connected with two linear guide rails by bolts. The connecting nut passes through the ball screw and is connected to the iron head turbine box by bolts. The power milling head is fixedly connected to the on the iron head turbine case; The gear overturning assembly includes an overturning assembly and a positioning assembly. The gear overturning assembly is connected to the z-axis support through a connecting plate. Two through holes arranged opposite to each other at 180 degrees are provided on the periphery of the connecting plate. The positioning The assembly includes a positioning sleeve, a positioning sleeve cup and a flipping positioning pin. The two through holes on the connecting plate are respectively connected with a positioning sleeve in the form of an interference connection. The flipping positioning pin is arranged in the positioning sleeve cup, and the positioning sleeve cup The bottom of the cover is provided with a blocking cover, and a spring is arranged between the blocking cover and the overturning positioning pin. The head of the overturning positioning pin is provided with a taper. The taper is the same; the bottom of the flip positioning pin is provided with a motion control assembly of the flip positioning pin; The milling head angle adjustment assembly includes an indexing shaft and an iron-headed worm, the big end of the indexing shaft is connected with the connecting turntable, a keyway is arranged in the middle of the indexing shaft, and a first turbine is installed in the keyway. The case cover of the iron head turbine box and the bottom of the case are coaxially provided with two holes, and the iron head worm is loaded into the two holes, and the iron head worm is connected with the first turbine. 7. The three-dimensional multifunctional chamfering machine according to claim 6, characterized in that: the motion control assembly of the overturn positioning pin includes a rack and a gear shaft, and the rack is fixedly arranged on the bottom of the overturn positioning pin, so that The middle part of the positioning sleeve cup is provided with a vacancy similar to being cut by a cylinder, and the front and rear sides of the box of the flip assembly are coaxially provided with two holes below the vacancy of the positioning sleeve cup, and through the first two holes The connecting component is provided with a pinion shaft, and the pinion shaft meshes with the rack. 8. The three-dimensional multifunctional chamfering machine according to claim 7, characterized in that: the first connection assembly includes a bearing fixedly connected to the gear shaft and a first end cover, and the bearing is arranged between the gear shaft and the box Between the bodies, the control handle of the gear shaft protrudes from the first end cover, and the first end cover is fixed on the box body by 6 bolts. 9. The three-dimensional multifunctional chamfering machine according to claim 6, characterized in that: the turning assembly includes a box body and a turning shaft, two through holes are coaxially arranged on the left and right sides of the box body, and the turning shaft passes through Through these two through holes, the large end and the small end of the turning shaft are respectively connected to the casing through the second connecting assembly and the third connecting assembly, and a second turbine is arranged close to the shoulder of the turning shaft; the second turbine is formed by The liner is compressed and locked on the turning shaft by the stopper and the round nut; two holes are coaxially arranged on the front and rear sides of the box directly below the second turbine, and the two holes are loaded with the second turbine. The worm shaft engaged by the worm gear, the worm shaft is connected to the box body by the third connection assembly; the connecting plate is provided with a step, and 6 through holes are provided on the step, and the big end of the turning shaft is provided with a connection plate The 6 threaded holes corresponding to the 6 through holes on the step are connected with the turning shaft and the connecting plate by bolts. 10. The three-dimensional multifunctional chamfering machine according to claim 9, characterized in that: the second connection assembly includes a stopper, a round nut, a spacer, a cylindrical roller bearing and a second end cover; the stopper The moving piece, the round nut, the spacer, the cylindrical roller bearing and the second end cover are sequentially arranged on the big end of the turning shaft, and the second end cover is provided with a countersunk hole matching the 6 threaded holes at the left end of the box. The second end cover is fixed on the left end of the box body by bolts in the counterbore; the third connection assembly includes a tapered roller bearing, a bearing sleeve, a liner, a stopper, and a circle arranged at the small end of the turning shaft in sequence. Nut and gland; the bearing sleeve is fixed on the box by 6 bolts, and the gland is fixed on the bearing sleeve by 6 bolts; the top of the box is provided with positioning pin holes and threaded holes, and the box cover is positioned After the pin is positioned, it is fixed on the box by bolts; the iron head turbine box is provided with a zero scale, two holes are arranged on the front and rear sides of the iron head turbine box, six threaded holes are arranged around the front side hole, and the rear side hole There is a ring T-slot coaxial with the six threaded holes around it; there is an angle scale on the connecting turntable and there are two countersunk holes corresponding to the ring T-slot on the connecting turntable, the countersink and the ring T The grooves are connected by T-shaped bolts; there is a through hole and a step on the connecting turntable, and there are 6 threaded holes around the step and are connected with the index shaft bolts, and there are 4 milling heads with the same power on the connecting turntable. The threaded holes corresponding to the through holes are connected by bolts; the bottom of the iron head turbine box is equipped with a tooth-shaped centering positioning mechanism, which fixes and positions the gear to be processed.