CN2082210U - Hobbing machine used for processing sector gear of automobile steering device - Google Patents
Hobbing machine used for processing sector gear of automobile steering device Download PDFInfo
- Publication number
- CN2082210U CN2082210U CN 91200139 CN91200139U CN2082210U CN 2082210 U CN2082210 U CN 2082210U CN 91200139 CN91200139 CN 91200139 CN 91200139 U CN91200139 U CN 91200139U CN 2082210 U CN2082210 U CN 2082210U
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- China
- Prior art keywords
- cam
- workbench
- gear
- hobbing machine
- special
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- 238000005096 rolling process Methods 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
The utility model relates to a special machinery for processing gear teeth, which is used for processing the teeth fan of automobile variation ratio deflectors. On the basis of reserving the bed piece and the main upright post of original hobbing machines, hobbing cutter is designed into an annular hobbing cutter of which the shaft section tooth profile is straight-side profile. Work table portion is composed of an upper work table, a middle work table and a lower work table which can relatively and translationally slide, wherein, a cam which is a crank bouncing shoe mechanism driven by a rotary actuator is arranged on the upper work table. The utility model enables work pieces to generate the compound motion of rotation and locomotion when the machinery is in use. The utility model can process a non-circular gear of which the centrode is curvilinear and both machining precision and efficiency are higher.
Description
The utility model belongs to the special-purpose machinery of processing gear teeth.
Variable ratio steering gear for motor vehicles is made up of circulation ball screw pair and rack tooth fan pair, and the speed change transmission mainly realizes by the latter.This gear ratio steering gear tooth fan is that a kind of instantaneous Center is the non-circular gear of curve, and the circumference tooth number Z is not an integer, and modulus m also changes.It need be in process, rolling movement between cutter and workpiece changes, and the driving-chain of general gear-hobbing machine inside all is the formation of fixed drive ratio relation, and workpiece can only unidirectionally rotate on book, whole circle processing can not reach the requirement of processing gear ratio steering gear tooth fan.
The purpose of this utility model is a kind of speed change rolling movement that workpiece rotates and translation is carried out simultaneously that can make the workbench clamping of design, thereby processes the special-purpose gear-hobbing machine of the non-circular gear of above-mentioned specific (special) requirements.
The purpose of this utility model takes following technical measures to realize.It has redesigned hobboing cutter and workbench on the basis of lathe bed on the original gear-hobbing machine of reservation and head tree, make it to become a special-purpose gear-hobbing machine that can reach specific (special) requirements.Workbench is combined by upper table, middle workbench and lower table three parts.The lower table and arranged on left and right sides respectively has a guide rail, and it is fixed on lathe bed top, is installed with the radial feed hydraulic cylinder on the table top, and the cylinder body tail end of hydraulic cylinder is connected middle workbench end face.Respectively there is a guide rail both sides, front and back of middle workbench, perpendicular with the guide rail of lower table, upper table inside is installed with main shaft and by cam---the combined mechanism of crank swinging block that oscillating motor drives, is connected in series work piece holder on the main shaft, sliding translation relatively between three workbench.Hobboing cutter is installed on the head tree, is that a tooth form of axial direction is the annular hobboing cutter of straight-side profile.
The concrete structure of cam one crank swinging block combined mechanism is: a cam is installed in the main shaft bottom at upper table, and the lower eccentric position of cam is the crank swinging block, and the crank swinging block is hinged with the piston rod of oscillating motor again.Cam design becomes the isometrical shape in relative axle center.Both sides at middle workbench fixedly mount rolling wheel support respectively, and the roller with the tight crimping in cam both sides is set on the support.Wherein the roller of a side is fixed, and the side of opposite side roller is provided with spring mechanism, and the position of roller can be regulated within the specific limits.The work piece holder that is connected in series on the main shaft can adopt the spring chuck that has tapering.
Operation principle of the present utility model is: moved radially by workbench generation in the piston rod drive of radial feed hydraulic cylinder, the then driving cam one crank swinging block combined mechanism motion of oscillating motor piston rod, thereby drive upper table and do tangential moving, annular hobboing cutter is then done upper and lower reciprocating motion.Make whole work-piece be in a kind of composite motion state.
The utility model has the advantages that:
1, owing to the spiral hobbing cutter that has replaced traditional mode of production to use with annular hobboing cutter, when rolling cut rotated, axis can form the tiltedly feed motion down of synthesizing, to satisfy special processing needs along vertical and level feeding respectively.
2, owing to adopt three the relatively-movable workbench in upper, middle and lower to replace original rotary table, and the combined mechanism of cam-crank swinging block has been installed on workbench, can make the workpiece that is clamped on the main shaft produce the compound motion that not only rotates but also move, and machining accuracy is higher, and has improved work efficiency greatly.
Below in conjunction with accompanying drawing embodiment is described further.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of workbench and cam-crank swinging block combined mechanism.(vertical view).
Wherein: 1-head tree, 2-annular hobboing cutter, 3-workpiece, the 4-upper table, 5-work piece holder, 6-oscillating motor, the 7-cam, 8-roller, workbench among the 9-, the 10-lower table, 11-radial feed hydraulic cylinder, 12-lathe bed, 13-crank swinging block, the 14-hobbing cutter support, 15-spring mechanism, 16-main shaft.
Claims (6)
1, a kind of special-purpose gear-hobbing machine of processing automobile gear ratio steering gear tooth fan comprises lathe bed, workbench, hobboing cutter and head tree; It is characterized in that workbench partly is by upper table, middle workbench and lower table are formed, wherein, the lower table and arranged on left and right sides respectively has a guide rail, be fixed on lathe bed top, be installed with the radial feed hydraulic cylinder on the table top, the cylinder body tail end of hydraulic cylinder is connected middle workbench end face, respectively there is a guide rail both sides, front and back of middle workbench, perpendicular with the guide rail of lower table, upper table inside is installed with main shaft and the combined mechanism of cam-crank swinging block of being driven by oscillating motor, is connected in series work piece holder on the main shaft; Hobboing cutter is installed on the head tree, is that the profile of tooth on the shaft section is the annular hobboing cutter of straight-side profile.
2, special-purpose gear-hobbing machine according to claim 1, it is characterized in that cam---the structure of crank swinging block combined mechanism is: a cam is installed in the main shaft bottom at upper table, the lower eccentric position of cam is the crank swinging block, and the crank swinging block is hinged with the piston rod of oscillating motor again.
3, special-purpose gear-hobbing machine according to claim 1 and 2 is characterized in that with cam design being the isometrical shape in relative axle center.
4, special-purpose gear-hobbing machine according to claim 1 and 2 is characterized in that fixedly mounting rolling wheel support respectively in the both sides of middle workbench, and the roller with the tight crimping in cam both sides is set on the support.
5, special-purpose gear-hobbing machine according to claim 3 is characterized in that fixedly mounting rolling wheel support respectively in the both sides of middle workbench, and the roller with the tight crimping in cam both sides is set on the support.
6, special-purpose according to claim 1 or 5 gear-hobbing machine, the roller of workbench one side is fixed in it is characterized in that, and the side of opposite side roller is provided with spring mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200139 CN2082210U (en) | 1991-01-10 | 1991-01-10 | Hobbing machine used for processing sector gear of automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200139 CN2082210U (en) | 1991-01-10 | 1991-01-10 | Hobbing machine used for processing sector gear of automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2082210U true CN2082210U (en) | 1991-08-07 |
Family
ID=4911186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91200139 Withdrawn CN2082210U (en) | 1991-01-10 | 1991-01-10 | Hobbing machine used for processing sector gear of automobile steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2082210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396399C (en) * | 2003-05-17 | 2008-06-25 | 山地自行车株式会社 | A device for forming tooth form of sprocket gear for power transmission apparatus of cahinless bicycle |
| CN102501271A (en) * | 2011-11-01 | 2012-06-20 | 东阳市尚德电器机械有限公司 | Scroll saw |
| CN113324005A (en) * | 2021-05-06 | 2021-08-31 | 上海卫星工程研究所 | Rotation locking mechanism |
-
1991
- 1991-01-10 CN CN 91200139 patent/CN2082210U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396399C (en) * | 2003-05-17 | 2008-06-25 | 山地自行车株式会社 | A device for forming tooth form of sprocket gear for power transmission apparatus of cahinless bicycle |
| CN102501271A (en) * | 2011-11-01 | 2012-06-20 | 东阳市尚德电器机械有限公司 | Scroll saw |
| CN113324005A (en) * | 2021-05-06 | 2021-08-31 | 上海卫星工程研究所 | Rotation locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |