CN112238268B - Numerical control lathe for processing sun gear - Google Patents

Abstract

The application relates to a numerical control lathe for processing a sun gear, which comprises an operation box, wherein a base station is arranged in the operation box, a fixed seat, a sliding seat and a sliding part are arranged on the base station, and the sliding seat is arranged in a sliding manner relative to the fixed seat; a rotating rod and a rotating part are arranged on one side of the fixed seat, a containing rod is arranged at one end of the rotating rod, which is far away from the fixed seat, and a loop bar is arranged at one end of the containing rod, which is far away from the rotating rod; a matching rod is rotatably arranged on one side wall of the sliding seat close to the fixed seat, and a matching sleeve which is matched and clamped with the sleeve rod is arranged at one end of the matching rod far away from the sliding seat; a processing seat, a lifting piece and a pushing piece are arranged in the operation box, a processing hob and a driving piece are arranged on the processing seat, and the processing hob is positioned between the rotating rod and the matching rod; still be provided with mechanical tongs and the subassembly of polishing in the control box. This application can carry out burring to the tooth's socket opening part simultaneously at the in-process of gear machining, improves the processingquality of gear.

Description

Numerical control lathe for processing sun gear

Technical Field

The application relates to the technical field of gear hobbing machine equipment, in particular to a numerical control lathe for machining a sun gear.

Background

The sun gear belongs to a basic member of an epicyclic gear train, and in the planetary gear train, an external gear as a sun gear is called a sun gear. Hobbing refers to grooving a gear.

The numerical control lathe for machining the sun gear is mainly used for machining the sun gear, and after a machining hob on the numerical control lathe is close to the machined gear, the machining hob rotates at a high speed through a fixed speed ratio so as to machine a tooth groove on the axial side wall of the gear through the peripheral side wall of the machining hob.

In view of the above-mentioned related technologies, the inventor believes that most of the numerical control machine tools only perform deburring processing on two ends of a gear during the processing of the gear, but burrs may also be generated on the gear at a tooth slot opening during the processing of the gear, thereby affecting the processing quality of the gear.

Disclosure of Invention

In order to carry out burring to the tooth's socket opening part simultaneously in the gear machining's process to improve the processingquality of gear, this application provides a numerical control lathe of processing sun gear.

The application provides a numerical control lathe of processing sun gear adopts following technical scheme:

a numerical control lathe for processing a sun gear comprises an operation box, wherein a base station is arranged in the operation box, a fixed seat, a sliding seat and a sliding part for driving the sliding seat to slide are arranged on the base station, and the sliding seat is arranged in a sliding manner relative to the fixed seat;

a rotating rod and a rotating part for driving the rotating rod to rotate are arranged on one side, close to the sliding seat, of the fixed seat, a containing rod is arranged at one end, away from the fixed seat, of the rotating rod, and a loop bar is arranged at one end, away from the rotating rod, of the containing rod; a matching rod is rotatably arranged on one side wall of the sliding seat close to the fixed seat, a matching sleeve which is matched and clamped with the loop bar is arranged at one end of the matching rod far away from the sliding seat, and the matching sleeve can be completely abutted against the axial side wall of the processing gear on the containing rod in the processing process;

the machining hob is arranged on the machining seat, a driving piece for driving the machining hob to rotate is arranged on the machining seat, and the machining hob is positioned between the rotating rod and the matching rod;

and a mechanical gripper for replacing the machined gear and a polishing assembly for performing deburring treatment on the opening of the gear groove of the machined gear are further arranged in the operation box.

By adopting the technical scheme, when the numerical control machine tool is used, the machining gear is sleeved on the containing rod of the fixed seat by the mechanical gripper in the operation box; the sliding part drives the sliding seat to slide towards the direction of the fixed seat on the base station, the sliding seat is rotatably provided with a matching rod, when the sliding seat is close to the fixed seat, the matching sleeve can be sleeved on the loop bar at the end part of the containing rod along with the close of the sliding seat, and the matching sleeve can be completely abutted against the axial side wall of the processing gear on the containing rod; the rotating part on the fixed seat drives the rotating rod and the containing rod to rotate, the processing gear on the containing rod also rotates along with the containing rod, and meanwhile, the matching sleeve sleeved with the loop rod and the matching rod connected with the matching sleeve rotate along with the matching sleeve; a lifting piece in the operation box drives the processing seat to lift, so that the processing hob approaches to the shaft side wall of the processing gear; the driving piece drives the machining hob to rotate at a high speed for gear hobbing, the pushing piece slowly pushes the machining seat to move along the axial direction of the machined gear in the machining process, the machining is gradually conducted from one side of the machined gear to the other side of the machined gear, meanwhile, the grinding assembly and the machining hob move in the same direction, deburring is conducted on the tooth socket opening portion gradually immediately after the machining is conducted, and deburring is also completed after the machining is completed. So set up and to realize when gear hobbing, can do burring to the gear teeth groove opening part of processing to this can promote the quality to gear machining. And gear hobbing and burring are gone on simultaneously, can reduce and carry out burring once more alone in the later stage of gear hobbing processing, make the course of working more convenient.

Optionally, the polishing assembly comprises an installation rod arranged on the processing seat, a polishing strip is arranged at one end, close to the processing gear, of the installation rod, and the polishing strip is abutted against one axial side wall of the processing gear.

Through adopting above-mentioned technical scheme, when using the digit control machine tool, the lapse promotes the processing seat along processing gear axial displacement for the processing hobbing cutter is processed along the axial of processing gear, and the installation pole on the processing seat can be along with processing seat together removal equally. The strip of polishing of installation rod tip can with the lateral wall looks butt of processing gear, and the processing hobbing cutter is polished the strip and is polished the gear teeth groove opening part afterwards in the removal processing to go on when this realizes the two, improve processingquality.

Optionally, one end of the mounting rod, which is far away from the polishing strip, is provided with a first telescopic piece for driving the mounting rod to move in a telescopic manner.

Through adopting above-mentioned technical scheme, when using digit control machine tool processing gear, first extensible member can drive the installation pole and stretch out and draw back to adjust the strip of polishing and hold the distance between the pole, with this gear machining that can be applicable to different models size, guarantee the strip of polishing can with the axle lateral wall butt of processing gear, whole excellent in use effect.

Optionally, the polishing assembly comprises a polishing sleeve matched with the machining gear and a telescopic assembly used for driving the polishing sleeve to stretch along the axial direction of the machining gear, the telescopic assembly is arranged on a side wall, close to the fixed seat, of the sliding seat, and the polishing sleeve is arranged at one end, far away from the sliding seat, of the telescopic assembly.

Through adopting above-mentioned technical scheme, when using the digit control machine tool, the slider drive is slided and is close to the fixing base, at the in-process that the processing hobbing cutter carries out processing, flexible subassembly on the seat that slides can drive the sleeve of polishing and closely follow the rear side of hobbing cutter advancing direction, slowly overlap along the axial of processing gear and establish on high-speed rotatory processing gear, along with the rotation of processing gear, can realize that the sleeve of polishing polishes the limit burr of sticking up of tooth's socket opening part, with this realization gear hobbing processing and the burring of tooth's socket opening part are handled and are gone on simultaneously, and the quality of processing is improved.

Optionally, the polishing sleeve comprises a plurality of polishing rings which are sleeved with each other, and the telescopic assemblies respectively drive the polishing rings to independently perform telescopic motion.

Through adopting above-mentioned technical scheme, when using the sleeve of polishing to burring the axial lateral wall of gear, will polish the sleeve and set up to a plurality of rings of polishing, a plurality of rings of polishing can be suitable for the gear machining of a plurality of diameter variation in size, and the subassembly that stretches out and draws back simultaneously can drive respectively each ring independent concertina movement of polishing, and whole result of use is good.

Optionally, the subassembly of polishing is including the board of polishing and be used for the drive to polish the board and carry out the second extensible member that moves that stretches out and draws back along processing gear axial, the second extensible member sets up on the lateral wall that the seat is close to the fixing base that slides, polish the board setting and keep away from the one end of the seat that slides and with the axial lateral wall butt of processing gear at the second extensible member.

By adopting the technical scheme, when the numerical control machine tool is used, the sliding part drives the sliding seat to slide towards the fixed seat to be close to the fixed seat, and the second telescopic assembly on the sliding seat can drive the polishing plate to perform telescopic motion; when the processing hob is processed along the axial direction of the processed gear, the second telescopic piece drives the grinding plate to be close to the rear side of the advancing direction of the hob, and the grinding plate is abutted to the axial side wall of the processed gear; along with the processing of processing hobbing cutter, the board of polishing can progressively polish the processing to tooth's socket opening part, gets rid of the produced overlap burr of tooth's socket opening part of processing gear axial lateral wall in the course of working, improves processingquality.

Optionally, the polishing plate comprises a polishing part and a fixing part, the fixing part is connected with the second telescopic part, and the polishing part is located at one end, far away from the telescopic part, of the fixing part;

and a lifting assembly used for adjusting the distance between the polishing part and the containing rod is arranged between the fixing part and the polishing part.

Through adopting above-mentioned technical scheme, when using the board of polishing, the board of polishing contains portion of polishing and fixed part, is connected through lifting unit between portion of polishing and the fixed part, can realize the lift adjustment to the portion of polishing to control the portion of polishing and hold the distance between the pole, with this processing gear that is suitable for different models size, whole excellent in use effect.

Optionally, the lifting assembly comprises a screw rod and an adjusting handle arranged at the end of the screw rod, the screw rod is arranged on the fixing portion in a penetrating mode and is in threaded connection with the fixing portion, and one end, far away from the adjusting handle, of the screw rod is rotatably connected with the polishing portion.

Through adopting above-mentioned technical scheme, when using the board of polishing, through being connected polishing portion and fixed part with the lead screw, when the portion of polishing and hold the distance between the pole is adjusted to needs, rotate the adjustment handle, the adjustment handle drives the lead screw and rotates, the lift removal of lead screw on the fixed part to the portion of polishing of adjustment lead screw tip with hold the distance between the pole. When gears of different models are machined, the gear can be suitable for machining gears of different models only by adjusting the distance between the gears before machining.

Optionally, the fixed seat and the sliding seat are both provided with a blowing pipe assembly for blowing air to the abutting part of the processing hob and the processing gear;

a collecting box for collecting the scraps is arranged in the operation box.

By adopting the technical scheme, when the processing hob is processed, the air blowing pipe assembly can blow air to the axial side wall of the processed gear, so that scraps generated in the processing process are blown off, and the influence on processing is reduced; the collection box in the operation box is located and treats processing gear below, can make the piece collection that processing gear produced in the course of working collect in collecting the box, is favorable to keeping the whole neatly in the operation box.

Optionally, a fixed block is fixedly arranged on the fixed seat, an installation handle is arranged on the fixed block, and a grinding disc for deburring the hobbing tail end of the machined gear is rotatably arranged at one end, far away from the fixed block, of the installation handle.

Through adopting above-mentioned technical scheme, when using the digit control machine tool, the installation rotates the burring mill of installation and the axial end lateral wall butt of processing gear on the handle, can rotate along with the processing gear at the in-process of gear machining together, polishes the axial one end lateral wall of gear, gets rid of the burr that gear its tail end produced in the course of working, makes the result of working better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a numerical control machine hob is used for gear machining, a gear to be machined is sleeved on the containing rod of the fixed seat through the mechanical gripper; the sliding part drives the sliding seat to slide on the base station, and a matching sleeve on the sliding seat is sleeved on a sleeve rod at the end part of the containing rod and is abutted against the side wall of the processing gear; the processing gear rotates along with the containing rod and simultaneously rotates together with the matching sleeve and the matching rod which are sleeved with the sleeve rod; the lifting piece drives the machining base to lift, the machining hob is made to be close to the axial side wall of the gear to be machined, the pushing piece slowly pushes the machining base to move axially to machine the gear to be machined, the grinding assembly is tightly attached to the rear side of the machining hob to perform deburring treatment on a tooth socket opening of a machined part, machining and deburring grinding are performed simultaneously, and machining quality is improved;

2. when the numerical control machine tool is used, the pushing piece pushes the machining seat to move axially along the machined gear, the end part of the mounting rod on the machining seat is provided with a polishing strip, the polishing strip is abutted against the side wall of the machined gear, and the polishing strip polishes the opening of the tooth groove of the machined gear along with the machined hob during machining. The first telescopic piece drives the mounting rod to stretch, so that the gear processing machine is suitable for gear processing of different models and sizes;

3. in the process of machining the hob, the telescopic assemblies drive the grinding sleeves to closely follow the rear sides of the hob to grind raised burrs generated at the tooth socket opening of a machined part, the grinding sleeves are provided with a plurality of grinding rings, and the telescopic assemblies respectively drive the grinding rings to independently move in a telescopic manner, so that the hob is suitable for machining gears of different models and sizes;

4. the sliding seat is provided with a second telescopic component which can drive the polishing plate to do telescopic motion; when the processing hob is processed, the second expansion piece drives the grinding plate to be close to the rear side of the processing hob, and the tooth socket opening of the processed part is gradually ground. The polishing plate comprises a polishing part and a fixing part, the polishing part is connected with the fixing part through a screw rod, the screw rod is in threaded connection with the fixing part, and the distance between the polishing part and the containing rod can be adjusted by rotating the adjusting handle, so that the polishing plate can be suitable for machining gears of different models;

5. when the processing hobbing cutter is adding man-hour, the blowing pipe subassembly is used for blowing the processing position of processing gear and handles, reduces the influence to processing, and the piece that blows off can be collected through collecting the box and handle, is favorable to keeping whole clean and tidy in the operation box. The deburring millstone on the mounting handle can grind the side wall of the end of the gear and remove burrs generated by machining the tail end of the gear, and the whole structure is good only in use effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a first embodiment of a numerically controlled lathe for machining a sun gear according to the present application;

FIG. 2 is a schematic cross-sectional view of a first embodiment of a numerically controlled lathe of the present application for machining a sun gear;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a schematic view of the overall structure of a second embodiment of a numerically controlled lathe for machining a sun gear according to the present application;

FIG. 5 is a schematic cross-sectional view of a second embodiment of a numerically controlled lathe for machining a sun gear according to the present application;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5;

FIG. 7 is a schematic diagram of the overall structure of a third embodiment of a numerically controlled lathe for machining a sun gear according to the present application;

FIG. 8 is a schematic cross-sectional view of a third embodiment of a numerically controlled lathe for machining a sun gear according to the present application;

fig. 9 is an enlarged schematic view of the portion C in fig. 8.

Description of reference numerals: 1. an operation box; 2. a base station; 3. a fixed seat; 4. a sliding seat; 5. a slider; 6. rotating the rod; 7. a rotating member; 8. a holding rod; 9. a loop bar; 10. a mating rod; 11. fitting the sleeve; 12. processing a base; 13. a lifting member; 14. a pushing element; 15. processing a hob; 16. a drive member; 17. a mechanical gripper; 18. mounting a rod; 19. polishing the strips; 20. a first telescoping member; 21. a blower tube assembly; 22. a collection box; 23. a fixed block; 24. mounting a handle; 25. a grinding disc; 26. polishing the sleeve; 261. grinding a ring; 27. a telescoping assembly; 28. grinding the plate; 281. a polishing part; 282. a fixed part; 29. a second telescoping member; 30. a lifting assembly; 301. a screw rod; 302. an adjusting handle; 31. sheathing; 32. a sliding plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a numerical control lathe for machining a sun gear.

Example 1:

referring to fig. 1 and 2, a numerically controlled lathe for processing a sun gear includes a rectangular parallelepiped operation box 1, a rectangular parallelepiped base 2 is provided in the operation box 1, and the base 2 is mainly used for accommodating various machine components. The base 2 is provided with a rectangular fixed seat 3, a sliding seat 4 and a sliding part 5 for driving the sliding seat 4 to slide, and the sliding part 5 drives the sliding seat 4 to slide towards the fixed seat 3. The sliding member 5 in this embodiment may be a cylinder, and the end of the cylinder is connected to the sliding seat 4, so as to push the sliding seat 4 to move on the base 2. The sliding seat 4 can be provided with a sleeve plate 31 convenient to slide, and the base platform 2 can also be provided with a sliding plate 32 matched with the sleeve plate 31, so that the relative stability of the sliding seat 4 in the sliding process can be ensured.

Referring to fig. 2 and 3, one side that fixing base 3 is close to seat 4 that slides is provided with dwang 6 that is the cuboid form and is used for driving dwang 6 to carry out the pivoted and rotates piece 7, rotates piece 7 and can fix the tip position that fixing base 3 is close to seat 4 that slides, connects dwang 6 on rotating piece 7, and then drives dwang 6 by rotating piece 7 and rotate, and the motor can be chooseed for use to the rotation piece 7 in this embodiment. The one end that fixing base 3 was kept away from to dwang 6 is provided with the pole 8 that holds that is the cylinder form, holds pole 8 mainly used and holds the processing gear of treating processing, holds pole 8 and holds the in-process of processing gear, when rotating at a high speed in order to make the processing gear, can increase its inner wall and the frictional force that holds the axial lateral wall of pole 8, can set up many friction lines on the axial lateral wall that holds pole 8, and the friction line can be followed and hold 8 axial settings of pole. The one end welding that holds pole 8 and keep away from dwang 6 has the loop bar 9 that is the cylinder form, it has the cooperation pole 10 that is the cylinder form to articulate on the lateral wall that seat 4 that slides is close to fixing base 3, the one end that seat 4 that slides is kept away from to cooperation pole 10 is provided with the cooperation sleeve 11 with loop bar 9 looks adaptation joint, when the processing gear holds to holding on the pole 8, seat 4 that slides is close to fixing base 3, cooperation sleeve 11 cover is established on loop bar 9, cooperation sleeve 11 is close to a lateral wall that processes the gear and can be complete with the axial lateral wall looks butt of processing gear, thereby fixed processing gear.

Be provided with the lifting piece 13 that processing seat 12, drive processing seat 12 go up and down in the control box 1, processing seat 12 is the cuboid form, still is provided with in the control box 1 to be used for driving processing seat 12 along the thrust piece 14 that processing gear axial passed, lifting piece 13 and thrust piece 14 in this embodiment all can select for use the cylinder, and in the course of working, thrust piece 14 can slowly promote the axial displacement of processing seat 12 along processing gear. The machining base 12 is provided with a cylindrical machining hob 15 and a driving member 16 for driving the machining hob 15 to rotate, the driving member 16 in this embodiment may be a motor, the machining hob 15 is located between the rotating rod 6 and the matching rod 10, and the motor drives the machining hob 15 to rotate at a high speed, so as to realize gear hobbing.

Still be equipped with the mechanical tongs 17 that is used for changing the processing gear in the control box 1, mechanical tongs 17 in this embodiment is last to have two points of grabbing, snatchs a gear that does not process earlier at the during operation, and accessible linear electric motor transmits to the processing position, snatchs the gear that has processed with another point of grabbing, then two snatchs the point and rotate, establishes another unprocessed gear sleeve on the pole 8 that holds at the processing position, and then realizes processing. Still be equipped with the subassembly of polishing that is used for carrying out burring to the tooth slot opening part of processing gear in the control box 1, the subassembly of polishing is including welding the installation pole 18 that is the cylinder form on processing seat 12, and the one end welding that installation pole 18 is close to the processing gear has the strip of polishing 19 that is the cuboid form, and the strip of polishing 19 in this embodiment can choose for use cobalt-based alloy material, and the strip of polishing 19 and the axial lateral wall butt of processing gear and then can realize polishing.

In order to further improve the whole result of use of the subassembly of polishing, installation pole 18 has the first extensible member 20 that is used for driving installation pole 18 to carry out flexible removal in the one end welding of keeping away from polishing strip 19, the cylinder can be chooseed for use to first extensible member 27 in this embodiment, concertina movement through the cylinder can drive installation pole 18 and stretch out and draw back, and then realize polishing strip 19 and hold the distance regulation between the pole 8, when holding the processing gear of placing the not equidimension of model on the pole 8, only need to adjust polishing strip 19 and the distance that holds pole 8 through first extensible member 27, make polishing strip 19 can with the axle lateral wall butt of processing gear can, the realization is suitable for the processing of different model gears.

The equal fixed mounting has the blowing pipe subassembly 21 that is used for blowing to the butt department of processing hobbing cutter 15 and processing gear on fixing base 3 and the seat 4 that slides, and the subassembly of blowing in this embodiment has two, adopts two blowing pipe ways that are used for blowing, and hose is connected to blowing pipe way one end, is connected the other end of hose with the hair-dryer again, provides by the hair-dryer and blows. The blowing pipe assembly 21 is used for blowing air to the axial side wall of the machined gear, so that scraps generated in the machining process can be blown off, and the influence of the scraps on the machining of the gear is reduced. And still placed in the control box 1 and be used for collecting clastic collection box 22, collect box 22 and be the cuboid form, collect box 22 and just be located the gear below of waiting to process in the course of working, the produced piece of in-process of processing gear can fall into to collecting box 22 in the middle of, collect box 22 and can carry out specific time's clearance, and then be favorable to control box 1 whole keep clean and tidy in the use.

A cuboid fixed block 23 is fixedly welded on the fixed seat 3, a cylindrical mounting handle 24 is also welded on the fixed block 23, a grinding disc 25 for deburring the hobbing tail end of the machined gear is rotatably arranged at one end of the mounting handle 24 far away from the fixed block 23, and the grinding disc 25 is cylindrical. The grinding disc 25 can abut against the side wall of the end part of the mounted gear when in use, and because the machining hob 15 starts to machine from one end of the gear to the other end in the machining process of the gear to be machined, burrs are generated at the tail end of the machined gear, and the grinding disc 25 in the embodiment only needs to be mounted at the tail end of the machined gear. The grinding disc 25 can remove burrs generated at the end part of the machined gear along with the high-speed rotation of the machined gear during machining, so that the machining effect of the gear is better.

The implementation principle of the embodiment 1 is as follows: in the machining process, a machining gear is sleeved on a containing rod 8 of a fixed seat 3 through a mechanical gripper 17 in an operation box 1, a sliding part 5 drives a sliding seat 4 to slide towards the direction of the fixed seat 3 on a base station 2, the machining gear is fixed through a matching sleeve 11 on the sliding seat 4 and a sleeve rod 9 at the end part of the containing rod 8, the rotating part 7 drives the gear to rotate at a high speed, and a lifting part 13 in the operation box 1 drives a machining seat 12 to lift, so that a machining hob 15 is close to the shaft side wall of the machining gear. Drive piece 16 drives processing hobbing cutter 15 high-speed rotation and carries out gear hobbing processing, a 14 slowly promotes processing seat 12 that passes, make processing hobbing cutter 15 process along the axial of processing gear in proper order gradually, the strip 19 of polishing of installation pole 18 tip is along with processing hobbing cutter 15 synchronous motion in the processing, and then carry out burring to the tooth's socket opening part, realize that gear hobbing processing and burr are polished and go on in step, first extensible member 20 drive installation pole 18 is flexible, thereby be applicable to the gear machining of different models size, so set up and realized processing and the burring is polished and go on simultaneously, and the quality of machining is improved.

Example 2:

the second embodiment of the application discloses a numerical control lathe for processing a sun gear, as shown in fig. 4, the structure of the numerical control lathe is basically the same as that of the first embodiment, as shown in fig. 4 and 5, the difference is that the grinding assembly comprises a grinding sleeve 26 matched with a processed gear, the grinding sleeve 26 is in a cylindrical shape, a telescopic assembly 27 for driving the grinding sleeve 26 to stretch is further welded on one side wall of the sliding seat 4 close to the fixed seat 3, and the telescopic assembly 27 in the second embodiment can be selected as an air cylinder. The grinding sleeve 26 is arranged at one end of the telescopic assembly 27 far away from the sliding seat 4, and the telescopic assembly 27 drives the grinding sleeve 26 to move telescopically along the axial direction of the machined gear. In the process of processing the gear, slider 5 drive sliding seat 4 slides to be close to fixing base 3, along with the removal processing of processing hobbing cutter 15, flexible subassembly 27 can drive polishing sleeve 26 and tightly follow the processing hobbing cutter 15 rear side, and polishing sleeve 26 progressively overlaps and establishes the axial lateral wall at the processing gear, polishes the limit burr that sticks up of tooth's socket opening part at processing hobbing cutter 15 rear side.

In order to enable the grinding sleeve 26 to use gears of different models and sizes, the grinding sleeve 26 is respectively provided with a plurality of grinding rings 261 which are mutually sleeved, the telescopic assembly 27 in the embodiment can select a plurality of small cylinders with telescopic motion, and the telescopic assembly 27 respectively drives the plurality of grinding rings 261 to independently perform telescopic motion. When processing the gear of different models, when processing different models gear, polish ring 261 by the corresponding polishing of telescopic component 27 drive its model, polish ring 261 independent concertina movement, can not produce the interference each other in the use.

The implementation principle of the embodiment 2 is as follows: in the process that processing hobbing cutter 15 carried out processing, flexible subassembly 27 can drive respectively and polish ring 261 and closely follow the rear side that processing hobbing cutter 15 followed the hobbing cutter advancing direction, polishes the limit burr that sticks up that produces the tooth's socket opening part at processing position, and the independent concertina movement of ring 261 polishes, each other does not influence each other to this gear machining who is applicable to different model sizes.

Example 3:

the third embodiment of the application discloses a numerical control lathe for processing a sun gear, as shown in fig. 7, the structure of the numerical control lathe is basically the same as that of the first embodiment, as shown in fig. 8 and 9, the difference is that the grinding component comprises a grinding plate 28 in a rectangular shape, the grinding plate 28 is abutted against the axial side wall of the gear in the gear processing process, a second telescopic member 29 is further welded on one side wall of the sliding seat 4 close to the fixed seat 3, and the second telescopic member 29 in the third embodiment can be selected as an air cylinder. The polishing plate 28 is located at one end, far away from the sliding seat 4, of the second telescopic piece 29, the sliding seat 4 is driven by the sliding piece 5 to slide towards the fixed seat 3, the second telescopic piece 29 is used for driving the polishing plate 28 to stretch and move along the axial direction of the processed gear, the processing hob 15 is processed along the axial direction of the processed gear gradually, the polishing plate 28 is tightly polished at the tooth socket opening of the processing hob 15 at the rear side gradually, and flash burrs generated at the tooth socket opening of the axial side wall of the processed gear in the processing process are removed.

The polishing plate 28 includes a rectangular polishing portion 281 and a fixing portion 282, the fixing portion 282 is integrally connected with the second extensible member 29, the polishing portion 281 is located at an end of the fixing portion 282 away from the extensible member 29, the polishing portion 281 and the fixing portion 282 are vertically disposed in the embodiment, and a lifting assembly 30 is disposed between the fixing portion 282 and the polishing portion 281. The lifting assembly 30 comprises a screw rod 301 and an adjusting handle 302 arranged at the end of the screw rod 301, the screw rod 301 in the embodiment can be a threaded rod, and the adjusting handle 302 can be a nut matched with the screw rod 301. The screw rod 301 penetrates through the fixing portion 282 and is in threaded connection with the fixing portion 282, and one end, far away from the adjusting handle 302, of the screw rod 301 is rotatably connected with the polishing portion 281 through a rotating shaft. In the process of adjusting, rotate the adjustment handle 302, adjustment handle 302 drives lead screw 301 and rotates, lead screw 301 and fixed part 282 threaded connection, and lead screw 301 can go up and down to remove when rotatory at fixed part 282, realizes the portion of polishing 281 and holds the distance between the pole 8 and adjust to the gear of adaptation different models.

The implementation principle of the embodiment 3 is as follows: the second telescopic assembly 27 on the sliding seat 4 can drive the grinding plate 28 to perform telescopic motion, and when the machining hob 15 is machined, the second telescopic part 29 drives the rear side of the grinding plate 28 to gradually grind the tooth socket opening of the machined part. Meanwhile, the polishing plate 28 comprises a polishing part 281 and a fixing part 282, and the distance between the polishing part 281 and the fixing part 282 can be adjusted by rotating the screw rod 301, so that the polishing plate can be suitable for machining gears of different models.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (3)

1. The utility model provides a numerical control lathe of processing sun gear, includes control box (1), its characterized in that: a base platform (2) is arranged in the operation box (1), a fixed seat (3), a sliding seat (4) and a sliding part (5) for driving the sliding seat (4) to slide are arranged on the base platform (2), and the sliding seat (4) is arranged in a sliding manner relative to the fixed seat (3);

a rotating rod (6) and a rotating part (7) for driving the rotating rod (6) to rotate are arranged on one side, close to the sliding seat (4), of the fixed seat (3), a containing rod (8) is arranged at one end, far away from the fixed seat (3), of the rotating rod (6), and a sleeve rod (9) is arranged at one end, far away from the rotating rod (6), of the containing rod (8); a matching rod (10) is rotatably arranged on one side wall, close to the fixed seat (3), of the sliding seat (4), a matching sleeve (11) which is matched and clamped with the sleeve rod (9) is arranged at one end, far away from the sliding seat (4), of the matching rod (10), and the matching sleeve (11) can be completely abutted against the axial side wall of the machining gear on the containing rod (8) in the machining process;

a processing seat (12), a lifting piece (13) for driving the processing seat (12) to lift and a pushing piece (14) for driving the processing seat (12) to push along the axial direction of the processed gear are arranged in the operation box (1), a processing hob (15) and a driving piece (16) for driving the processing hob (15) to rotate are arranged on the processing seat (12), and the processing hob (15) is positioned between the rotating rod (6) and the matching rod (10);

the operating box (1) is also internally provided with a mechanical gripper (17) for replacing a machined gear and a polishing assembly for deburring at the opening of a gear groove of the machined gear;

the polishing assembly comprises a polishing sleeve (26) matched with the machining gear and a telescopic assembly (27) used for driving the polishing sleeve (26) to axially extend and retract along the machining gear, the telescopic assembly (27) is arranged on one side wall, close to the fixed seat (3), of the sliding seat (4), and the polishing sleeve (26) is arranged at one end, far away from the sliding seat (4), of the telescopic assembly (27); the grinding sleeve (26) comprises a plurality of grinding rings (261) which are sleeved with each other, and the telescopic assembly (27) drives the grinding rings (261) to independently perform telescopic motion.

2. The numerically controlled lathe for machining a sun gear according to claim 1, wherein: the fixed seat (3) and the sliding seat (4) are respectively provided with a blowing pipe component (21) used for blowing air to the butting part of the processing hob (15) and the processing gear;

a collecting box (22) for collecting scraps is arranged in the operation box (1).

3. The numerically controlled lathe for machining a sun gear according to claim 1, wherein: the fixed block (23) is fixedly arranged on the fixed seat (3), the fixing block (23) is provided with an installation handle (24), and one end, far away from the fixing block (23), of the installation handle (24) is rotatably provided with a grinding disc (25) for deburring the hobbing tail end of the machined gear.

Images