CN203061995U - Machine tool for processing gearwheel in spiral bevel gear pair - Google Patents
Machine tool for processing gearwheel in spiral bevel gear pair Download PDFInfo
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- CN203061995U CN203061995U CN 201320064423 CN201320064423U CN203061995U CN 203061995 U CN203061995 U CN 203061995U CN 201320064423 CN201320064423 CN 201320064423 CN 201320064423 U CN201320064423 U CN 201320064423U CN 203061995 U CN203061995 U CN 203061995U
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Abstract
The utility model relates to a machine tool for processing a gearwheel in a spiral bevel gear pair, and further discloses a machine tool for processing the gearwheel in the spiral bevel gear pair used in an automobile drive axle. Three groups of mutually perpendicular X-axis guide rails, Y-axis guide rails and Z-axis guide rails are arranged on the top surface of a lathe bed; an X-axis slide table, a Y-axis slide table and a Z-axis slide table move along corresponding guide rails under the action of a driving mechanism are mounted on the X-axis guide rails, the Y-axis guide rails and the Z-axis guide rails; a cutter or a grinding wheel is mounted at the bottom of the Z-axis slide table; a C axis capable of driving a workpiece to be processed to rotate is arranged in the Z-axis slide table; the machine tool further comprises a B axis penetrating through the front end surface and the rear end surface of the lathe bed; the front end of the B axis is connected with a workpiece box; a rotating mechanism driving the B axis to rotate is arranged at the rear end of the B axis; an A axis driving a workpiece to be processed is arranged in the workpiece box; and the A axis and the B axis are perpendicular. Compared with conventional equipment, the machine tool provided by the utility model has the advantages of simple structure, economical cost, convenience in loading and unloading, easiness in chip removal and the like, and is particularly suitable for dry cutting and high-efficiency machining.
Description
Technical field
The utility model relates to a kind of lathe of processing the gear wheel in the spiral bevel gear pair, further refers to the machining tool of the gear wheel in the used spiral bevel gear pair on the automobile drive axle.
Background technology
Used spiral bevel gear is the bigger hypoid gear of gearratio mostly in the automobile drive axle, the pitch cone angle of gear wheel is generally between 70 ° ~ 80 °, its gear teeth tooth surface shape is to improve working (machining) efficiency with to produce shape wheel cutting face very approaching, all adopts forming process processing and does not do generating motion.The automobile drive axle gear wheel is all processed at universal numerical control mill teeth machine and the gear grinding machines of six-axle five-linkage now, and it has following shortcoming:
1. the automobile drive axle gear wheel adds with generating only needs four-axle linked man-hour, add with forming process and to have only the feed shaft motion except cutter rotary (curved tooth) or cutterhead and workpiece geometric ratio revolution (cycloid tooth) are man-hour, very uneconomical with the senior digital control system that 5-linked is moved;
2. the automobile drive axle pinion adds man-hour, and its wheel blank established angle is placed on bull wheel and steamboat on a machine tool and processes, to the design of lathe, the increase that protection brings a lot of difficulties and cost between-5 ° ~ 30 °;
3. the automobile drive axle gear is the big product for civilian use of a kind of kind small batch, and every production line is made up of two universal numerical control lathes, a processing bull wheel, a processing steamboat.Concerning the lathe of processing bull wheel, the function of processing steamboat is kind of a waste, and concerning the lathe of processing steamboat, the function of processing bull wheel is kind of a waste.
Summary of the invention
The purpose of this utility model is, at the situation of the existing bull wheel machining tool wasting of resources, provides the lathe of the gear wheel in a kind of special processing spiral bevel gear pair, not only enhances productivity, and can reduce cost.
The technical solution of the utility model is, a kind of lathe of processing the gear wheel in the spiral bevel gear pair, comprise lathe bed, be used for that the workpiece box of workpiece to be machined is installed and place the lathe bed front end face and workpiece to be machined is carried out cutterhead or the emery wheel of mill teeth, roll flute, the lathe bed end face is provided with three groups of orthogonal X-axis guide rails, Y-axis guide rail and Z axis rails, and installed thereon can be along X-axis slide unit, Y-axis slide unit and the Z axle slide unit of corresponding guide rail movement under the driving mechanism effect, and described cutterhead or emery wheel are installed in Z axle slide unit bottom; Be provided with the C axle that can drive the workpiece to be machined rotation in the described Z axle slide unit; This lathe also comprises the B axle that passes the lathe bed front and rear end, and the front end of B axle is connected with described workpiece box, and the rear end of B axle is provided with the rotating mechanism that drives the rotation of B axle; Be provided with the A axle that drives the workpiece to be machined rotation in the described workpiece box, and the A axle is vertical with the B axle.
Lathe bed bottom is provided with pallet, and pallet can be according to the desired function of lathe, as mill teeth or roll flute, and wet cut or dried cutting carried out different designs.
For arc bevel gear and hypoid gear bull wheel gear grinding machines, be provided with eccentric bushing in the Z axle slide block, and between the central shaft of eccentric bushing and the C axle eccentric throw is arranged, eccentric throw can be 0.125mm, during the gear wheel of grinding forming method processing, eccentric bushing must turn round to guarantee that with suitable speed cooling fluid can enter grinding area and avoid flank of tooth burn under the effect of driving mechanism.
The angle of described B axle rotation is ± 45 °, can drive about workpiece box ± 45 ° of revolutions, and can guarantee to process all gear wheels in the used spiral bevel gear of various automobile drive axles like this.
Described rotating mechanism comprises the disk that is located at the lathe bed rear end face and is connected with the B shaft rear end, described disk is provided with the rectangular channel that passes its center, and in rectangular channel, be provided with the slide bar that can in rectangular channel, slide, the disk below is provided with horizontal slide rail, and being provided with the slide block that can slide along slide rail at slide rail, slide block is hinged by hinge and slide bar.
When being gear grinding machines, this lathe also comprises the wheel dressing mechanism that emery wheel is repaired.
Wheel dressing mechanism is emery wheel, and emery wheel can rotate around its center D axle.Eccentric bushing locking is motionless during crushing, the emery wheel high speed rotary, and the emery wheel revolution is also jointly controlled by Y-axis and Z axle emery wheel is repaired.
Lathe of the present utility model can be used for the mill teeth processing of the gear wheel in spiral bevel gear and the hypoid gear forming process, add and to adjust and to operate lathe according to such process man-hour: install cutterhead and gear, given horizontal component of cutter position H, vertical cutter spacing V on the adjustment card according to bull wheel forming process processing, axial position of wheel correction value X
GWith wheel blank established angle Г
MCalculate the coordinate figure of X, Y, Z and B.The processing beginning, the X-axis slide unit of lathe, Y-axis slide unit and B axle are gone to given position, and Z axle slide block withdraws from and guarantees that cutterhead and workpiece have a suitable gap from the dark position of full-depth tooth.Cutter rotary and to tooth base incision, cutting speed can according to actual conditions divide several sections given, commencing speed can be quicker, and is more more and more slower to the back face velocity.The Z axle is fed into full-depth tooth dark back stop and returns to the beginning cutting into position after 0.1 ~ 0.2 second, and second tooth of reprocessing moves in circles till processing all gear teeth behind the gear compound graduation.
The gear wheel that lathe of the present utility model can the grinding spiral bevel gear during for gear grinding machines be processed with forming process in the secondary and hypoid gear, the mill teeth of the roll flute adjustment during roll flute and operation sequence and above-mentioned spiral bevel gear and hypoid gear forming process is basic identical, but 2 differences are arranged, the firstth, begin to approach fast the flank of tooth feeding grinding then of wanting grinding during feeding, paused about 0.2 second when being ground to tooth depth and withdraw from calibration; The secondth, to repair emery wheel behind intact one or several gear of every mill.
To basic identical with the processing of bull wheel in the gear wheel mill teeth adjustment of forming process processing and operation sequence and aforementioned spiral bevel gear and the hypoid gear forming process in overlikon spiral bevel gear and the hypoid gear, difference is to add degree of being regardless of but continuously hobbing in man-hour, and cutterhead and workpiece are z as a pair of number of teeth during hobbing
0(the cutter tooth group number of cutterhead) and z
2The gear mesh of (big tooth number) rolls.Constantly feeding is dark up to full-depth tooth first quick and back slow in this continuous hobbing, withdraws from after this position stops tens second time then, machines.
Bull wheel machining tool of the present utility model decapacitation forms outside the method processing gear wheel, can also carry out generating processing.
Lathe of the present utility model is compared with existing equipment, has simple in structure, cost economy, easy to loading and unloading, advantage such as chip removal is easy, is particularly suitable for doing the cutting highly-efficient processing.
Description of drawings
Fig. 1 is the structure chart of the embodiment 1 of lathe described in the utility model;
Fig. 2 is the rear view of Fig. 1 lathe;
Fig. 3 is Z axle slide unit internal structure and wheel dressing mechanism schematic diagram among Fig. 1;
Fig. 4 is the structure chart of embodiment 2.
The specific embodiment
As shown in Figure 1, a kind of lathe of processing the gear wheel in the spiral bevel gear pair, comprise lathe bed 2, lathe bed 2 belows pallet 1, the workpiece box 13 of workpiece to be machined 12 be used for to be installed and to be placed lathe bed 2 front end faces and workpiece to be machined 12 carried out cutterhead or the emery wheel 10 of mill teeth, roll flute, the lathe bed end face is provided with X-axis guide rail 3, and the X-axis slide unit 4 that can be under the driving mechanism effect can move along X-axis guide rail 3 is installed on the X-axis guide rail 3; X-axis slide unit 4 is provided with Y-axis guide rail 5, and the Y-axis slide unit 8 that can move along Y-axis guide rail 5 under the driving mechanism effect is installed on the Y-axis guide rail 5; Y-axis slide unit 8 is provided with slide block 9, and the Z axis rail 7 that arranges on it and the Z axle slide unit 6 combines and constitutes a straight line kinematic pair, and Z axle slide unit 6 is moved up and down; Described cutterhead or emery wheel 10 are installed in Z axle slide unit 6 bottoms; Be provided with the C axle that can drive cutterhead or emery wheel 10 rotations in the Z axle slide unit 6; This lathe also comprises the B axle 11 that passes lathe bed 2 front and rear ends, and the front end of B axle 11 is connected with described workpiece box 13, and the rear end of B axle 11 is provided with the rotating mechanism that drives 11 rotations of B axle; Be provided with the A axle that drives workpiece to be machined 12 rotations in the described workpiece box 13, and the A axle is vertical with B axle 11.
The angle of B axle 11 rotation is ± 45 °.
As shown in Figure 3, be provided with in the Z axle slide unit 9 when this lathe is gear grinding machines by eccentric bushing motor 22 and drive the eccentric bushing 21 of its rotation, and between the central shaft of eccentric bushing 21 and the C axle eccentric throw is arranged, eccentric throw is 0.125mm.This lathe also comprises the wheel dressing mechanism 23 that emery wheel 10 is repaired, and wheel dressing mechanism 23 is emery wheel, and emery wheel 23 can rotate around its center D axle.
As shown in Figure 2, rotating mechanism comprises the disk 14 that is located at lathe bed 2 rear end faces and is connected with B axle 11 rear ends, described disk 14 is provided with the rectangular channel that passes its center, and in rectangular channel, be provided with the slide bar 15 that can in rectangular channel, slide, disk 14 belows are provided with horizontal slide rail 18, and being provided with the slide block 16 that can slide along slide rail 18 at slide rail 18, slide block 16 is hinged by hinge 17 and slide bar 15.
Lathe among the embodiment 1 was rearward fallen 90 °, workpiece box 13 places lathe bed 2 end faces, the Y-axis guide rail 5 of lathe bed 2 one sides is horizontally disposed with along the lathe bed front and back end, Y-axis slide unit 8 on the Y-axis guide rail 5 moves along lathe bed front and back end direction, and be provided with the X-axis slide unit 4 of vertical direction in Y-axis slide unit 8 outsides, and being provided with the Z axis rail at X-axis slide unit 4 end faces, cutterhead or emery wheel 10 are installed in Z axle slide unit 6 near an end of workpiece boxs 13.
Consistent among the miscellaneous part of this embodiment and the embodiment 1.
Though more than described the specific embodiment of the present utility model; but those skilled in the art is to be understood that; these only illustrate; those skilled in the art are under the prerequisite that does not deviate from principle of the present utility model and essence; can make numerous variations or modification to these embodiments; as just simply changing the lathe bed service orientation, these changes and modification all fall into protection domain of the present utility model.
Claims (6)
1. lathe of processing the gear wheel in the spiral bevel gear pair, comprise lathe bed (2), be used for the workpiece box (13) of workpiece to be machined (12) being installed and being placed lathe bed (2) front end face and workpiece to be machined (12) is carried out mill teeth, the cutterhead of roll flute or emery wheel (10), lathe bed (2) end face is provided with three groups of orthogonal X-axis guide rails (3), Y-axis guide rail (5) and Z axis rail (7), and installed thereon can be under the driving mechanism effect along the X-axis slide unit (4) of corresponding guide rail movement, Y-axis slide unit (8) and Z axle slide unit (6), described cutterhead or emery wheel (10) are installed in Z axle slide unit (6) bottom; It is characterized in that, be provided with the C axle that can drive workpiece to be machined (12) rotation in the described Z axle slide unit (6); This lathe also comprises the B axle (11) that passes lathe bed (2) front and rear end, and the front end of B axle (11) is connected with described workpiece box (13), and the rear end of B axle (11) is provided with the rotating mechanism that drives B axle (11) rotation; Be provided with the A axle that drives workpiece to be machined (12) rotation in the described workpiece box (13), and the A axle is vertical with B axle (11).
2. according to the lathe of the gear wheel in the described processing spiral bevel gear pair of claim 1, it is characterized in that, be provided with eccentric bushing (21) in the Z axle slide unit (6), and between the central shaft of eccentric bushing (21) and the C axle eccentric throw is arranged.
3. according to the lathe of the gear wheel in the described processing spiral bevel gear pair of claim 1, it is characterized in that, the angle of described B axle (11) rotation is ± 45 °.
4. according to the lathe of the gear wheel in the described processing spiral bevel gear pair of one of claim 1-3, it is characterized in that, described rotating mechanism comprises the disk (14) that is located at lathe bed (2) rear end face and is connected with B axle (11) rear end, described disk (14) is provided with the rectangular channel that passes its center, and in rectangular channel, be provided with the slide bar (15) that can in rectangular channel, slide, disk (14) below is provided with horizontal slide rail (18), and being provided with the slide block (16) that can slide along slide rail (18) at slide rail (18), slide block (16) is hinged by hinge (17) and slide bar (15).
5. according to the lathe of the gear wheel in the described processing spiral bevel gear pair of claim 1, it is characterized in that this lathe also comprises the wheel dressing mechanism (23) that emery wheel (10) is repaired.
6. according to the lathe of the gear wheel in the described processing spiral bevel gear pair of claim 5, it is characterized in that wheel dressing mechanism (23) is emery wheel, and emery wheel (23) can rotate around its center D axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064423 CN203061995U (en) | 2013-02-05 | 2013-02-05 | Machine tool for processing gearwheel in spiral bevel gear pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064423 CN203061995U (en) | 2013-02-05 | 2013-02-05 | Machine tool for processing gearwheel in spiral bevel gear pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203061995U true CN203061995U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064423 Expired - Fee Related CN203061995U (en) | 2013-02-05 | 2013-02-05 | Machine tool for processing gearwheel in spiral bevel gear pair |
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| CN (1) | CN203061995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493439A (en) * | 2016-12-14 | 2017-03-15 | 长江大学 | A kind of spiral bevel gear tooth top chamfering method that is analyzed based on material contact |
-
2013
- 2013-02-05 CN CN 201320064423 patent/CN203061995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493439A (en) * | 2016-12-14 | 2017-03-15 | 长江大学 | A kind of spiral bevel gear tooth top chamfering method that is analyzed based on material contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20190205 |