CN102366849B - Gear positioning device in gear process machine - Google Patents
Gear positioning device in gear process machine Download PDFInfo
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- CN102366849B CN102366849B CN 201110308684 CN201110308684A CN102366849B CN 102366849 B CN102366849 B CN 102366849B CN 201110308684 CN201110308684 CN 201110308684 CN 201110308684 A CN201110308684 A CN 201110308684A CN 102366849 B CN102366849 B CN 102366849B
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- bearing
- tailstock
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Abstract
The invention belongs to the technical field of machinery and provides a gear positioning device in a gear process machine. The gear positioning device comprises an operational platform capable of rotating and a positioning mechanism which is matched with the operational platform; the positioning mechanism comprises a stand column, a tailstock, a positioning ejector pin and a power mechanism; the tailstock is arranged on the stand column and driven to move up and down by the power mechanism; the positioning ejector pin is mounted on the tailstock and is opposite to the operational platform; and after a gear to be processed is placed on the operational platform, the power mechanism drives the tailstock to move so that the gear is positioned on the operational platform by the positioning ejector pin. The gear positioning device has the advantages that the gear is positioned by matching the positioning ejector pin with the operational platform; in addition, a rotator bearing is arranged in the operational platform for bearing a radial load, and a tapered roller bearing is arranged for bearing an axial load; a spindle runs out within a very small range by using a combination of the rotator bearing and the tapered roller bearing, so that the high rotating speed and the large torsion are ensured by the whole operational platform, and the gear is ensured to rotate at a high speed, therefore, the process precision and the process efficiency of the gear are improved.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of gear-shaping machine, be specifically related to the gear positioning device in a kind of gear-shaping machine.
Background technology
in engineering goods, the product of gear class has accounted for major part, all generally to fix cutter by tool driving device in gear-shaping machine, workpiece to be processed is placed on workbench, locate gear by positioner, after worktable rotary then by the workpiece of rotary cutter and rotation intermeshing make cutter on the axle of workpiece reciprocating with Workpiece shaping needed gear shape, existing positioner is due to design problem on structure, not only mainly adopt this mode that is slidably matched between workbench and bearing, make the gap increase, it is large that coefficient of friction becomes, and whole positioner exists rotating speed low in the gear rotation, the problems such as moment of torsion is little, limited like this scope of application of processing machine, and machine work less stable in rotary course, crudy and the operating efficiency of gear have been affected.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, and provides a kind of location firm, working stability safety, the gear positioning device in the gear-shaping machine of high efficiency.
the present invention solves the problems of the technologies described above the technical scheme that adopts: the gear positioning device in a kind of gear-shaping machine, it is characterized in that, comprise the workbench that can produce rotation and the detent mechanism that matches with workbench, described detent mechanism comprises column, tailstock, location thimble and actuating unit, described tailstock is arranged on column, and can move up and down under the drive of actuating unit, the location thimble is arranged on tailstock and is relative with workbench, after gear to be processed is placed on workbench, actuating unit drive tailstock moves and makes the location thimble that gear is positioned on workbench.
Here gear to be processed is to be located on gear by suitable fixture, then the end with fixture is inserted on workbench, the fixture other end just positions by the location thimble, workbench produces and rotates the outer flank of tooth that rotates and pass through the tool sharpening gear with this driven gear like this, has guaranteed machining accuracy and the efficient of gear.
Specifically comprise for optimizing the such scheme Adopts measure:
In gear positioning device in above-mentioned a kind of gear-shaping machine, described actuating unit is cylinder, be provided with connecting axle on the output of cylinder, connecting axle is fixedly connected with tailstock, be provided with fixed head between connecting axle and tailstock, also be provided with pulley in column, be provided with balancing weight on pulley.Here drive tailstock by cylinder and move up and down, it is because tailstock has certain gravity that balancing weight is set in addition, makes tailstock guarantee the two ends balance by balancing weight, is more conducive to the tailstock even running.
In gear positioning device in above-mentioned a kind of gear-shaping machine, be provided with sleeve on described column, the location thimble is arranged on column by sleeve.Here the effect of sleeve is to locate thimble in order to firmly fix, and prevents from coming off in the pressure process of top.
In gear positioning device in above-mentioned a kind of gear-shaping machine, described workbench comprises fixed station, revolution working body and driving mechanism, described revolution working body is comprised of the revolution table top body and the revolving body that are mutually permanently connected, revolving body is arranged in fixed station, driving mechanism is arranged on the fixed station bottom and is connected with revolving body and drives revolving body and rotates, the revolving body bearing is set between fixed station top and revolving body, is provided with taper roll bearing between fixed station bottom and revolving body.
Here by being set, the revolving body bearing bears radial load, bear axial load by taper roll bearing is set, adopt two kinds of bearing combinations to install main shaft is beated in very little scope, guarantee the reliable High Rotation Speed of revolving body, make whole workbench guarantee that rotating speed is high, high moment of torsion.
In gear positioning device in above-mentioned a kind of gear-shaping machine, be provided with plane bearing between described revolution table top body and fixed station, offer step at revolution table top body with turning round between working body, plane bearing is arranged on this step place.Here by plane bearing, the revolution table top body of revolving body is rotated around fixed station, guarantee even running.
In gear positioning device in above-mentioned a kind of gear-shaping machine, described driving mechanism comprises motor and reductor, described reductor is connected with motor, the output shaft of reductor is that interference fit is connected with revolving body, and motor drives the rotation of revolution working body after reductor slows down the increase moment of torsion.Here the output shaft of reductor and revolving body are the validity that interference fit can guarantee transmission of power, and the effect of reductor is that the outputting power to motor slows down to increase moment of torsion, then passes to revolving body, thereby guarantee the high-speed smooth operation.
In gear positioning device in above-mentioned a kind of gear-shaping machine, revolving body bearing place in described revolving body also is provided with the first lock nut, pin the revolving body bearing by the first lock nut, taper roll bearing place in revolving body also is provided with the second lock nut, pins taper roll bearing by the second lock nut.
Here regulate the elasticity of revolving body bearing gap and the elasticity of regulating taper roll bearing by the second lock nut by the first lock nut respectively, just can well control the caused problem of temperature, thereby guarantee the even running of main shaft, improved machining accuracy and the efficient of gear.
In gear positioning device in above-mentioned a kind of gear-shaping machine, also be provided with the deceleration mantle between described reductor and fixed station bottom.Here pack into luggage by reductor and join, prevent that introduced contaminants from entering High Rotation Speed generation interference.
Compared with prior art, the invention has the advantages that by the location thimble coordinates the location to live gear with workbench, and the revolving body bearing is set in workbench bears radial load, by being set, taper roll bearing bears axial load, adopt two kinds of bearing combinations to install main shaft is beated in very little scope, make whole workbench guarantee that rotating speed is high, high moment of torsion, guarantee the High Rotation Speed of gear, thereby improved machining accuracy and the efficient of gear.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the gear positioning device in this gear-shaping machine.
Fig. 2 is the detent mechanism structural representation in Fig. 1;
Fig. 3 is the structural representation of workbench in Fig. 1.
The specific embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
In figure, fixed station 1; Revolution working body 2; Driving mechanism 3; Revolution table top body 4; Step 4a; Revolving body 5; Motor 6; Reductor 7; Output shaft 7a; Plane bearing 8; Revolving body bearing 9; The first lock nut 10; Taper roll bearing 11; The second lock nut 12; Deceleration mantle 13; Workbench 14; Cover plate 15; Detent mechanism 16; Column 17; Tailstock 18; Location thimble 19; Cylinder 20; Connecting axle 21; Fixed head 22; Pulley 23; Balancing weight 24; Sleeve 25; Hexagon socket cap head screw 26.
As shown in Figure 1, the gear positioning device in this gear-shaping machine comprises the workbench that can produce rotation and the detent mechanism 16 that matches with workbench, and detent mechanism 16 comprises column 17, tailstock 18, location thimble 19 and cylinder 20 etc.
As shown in Figure 3, workbench 14 is for gear to be processed is fixed specifically, and rely on these workbench 14 driven gears to rotate, mainly comprise fixed station 1, revolution working body 2 and driving mechanism 3, driving mechanism 3 comprises motor 6 and reductor 7, and reductor 7 is connected with motor 6.
between fixed station 1 top and revolving body 5, revolving body bearing 9 is set, here revolving body bearing 9 can replace for angular contact bearing, revolving body bearing 9 places in revolving body 5 also are provided with the first lock nut 10, pin revolving body bearing 9 by the first lock nut 10, be provided with taper roll bearing 11 between fixed station 1 bottom and revolving body 5, taper roll bearing 11 places in revolving body 5 also are provided with the second lock nut 12, pin taper roll bearing 11 by the second lock nut 12, here by being set, revolving body bearing 9 bears radial load, by being set, taper roll bearing 11 bears axial load, adopting two kinds of bearing combinations to install beats main shaft in very little scope, guarantee the reliable High Rotation Speed of revolving body 5, make whole workbench 14 guarantee that rotating speed is high, high moment of torsion, regulate the elasticity of revolving body bearing 9 gaps and the elasticity of regulating taper roll bearing 11 by the second lock nut 12 by the first lock nut 10 simultaneously, just can well control the caused problem of temperature, thereby guarantee the even running of main shaft, improved machining accuracy and the efficient of gear.
The output shaft 7a of reductor 7 is connected for interference fit with revolving body 5, motor 6 drives 2 rotations of revolution working body after reductor 7 slows down the increase moment of torsion, in order to prevent external interference, also be provided with deceleration mantle 13 between reductor 7 and fixed station 1 bottom, here the effect of reductor 7 is that the outputting power to motor 6 slows down to increase moment of torsion, pass to again revolving body 5, thereby guarantee the high-speed smooth operation.
As shown in Figure 2, tailstock 18 is arranged on column 17, location thimble 19 is arranged on tailstock 18 and is relative with workbench, cover plate 15 is installed on column 17, be provided with sleeve 25 on column 17, location thimble 19 is arranged on column 17 by sleeve 25, and the effect of sleeve 25 here is to locate thimble 19 in order to firmly fix, and prevents from coming off in the pressure process of top; Be provided with connecting axle 21 on the output of cylinder 20, connecting axle 21 is fixedly connected with tailstock 18, be provided with fixed head 22 between connecting axle 21 and tailstock 18, fixed head 22 is arranged on tailstock 18 by hexagon socket cap head screw 26, also be provided with pulley 23 in column 17, be provided with balancing weight 24 on pulley 23, here driving tailstock 18 by cylinder 20 moves up and down, it is because tailstock 18 has certain gravity that balancing weight 24 is set in addition, make tailstock 18 guarantee the two ends balance by balancing weight 24, be more conducive to tailstock 18 even runnings.
At first be to be located on gear by suitable fixture with gear to be processed during work, then the end with fixture is inserted on revolution working body 2, starting cylinder 20 moves down tailstock 18, make location thimble 19 withstand on the other end of fixture, then starter motor 6 makes the 2 generation rotations of revolution working body rotate and pass through the outer flank of tooth of tool sharpening gear with this driven gear, process rear time-out motor 6, more oppositely move by cylinder 20, withdraw from location thimble 19 and get final product.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present invention.
Claims (6)
1. the gear positioning device in a gear-shaping machine, it is characterized in that, comprise the workbench (14) that can produce rotation and the detent mechanism (16) that matches with workbench (14), described detent mechanism (16) comprises column (17), tailstock (18), location thimble (19) and actuating unit, described tailstock (18) is arranged on column (17), and can move up and down under the drive of actuating unit, it is upper and relative with workbench (14) that location thimble (19) is arranged on tailstock (18), after gear to be processed is placed on workbench (14), actuating unit drives the mobile location thimble (19) that makes of tailstock (18) gear is positioned on workbench (14), described workbench (14) comprises fixed station (1), revolution working body (2) and driving mechanism (3), described revolution working body (2) is comprised of the revolution table top body (4) that is mutually permanently connected and revolving body (5), revolving body (5) is arranged in fixed station (1), driving mechanism (3) is arranged on fixed station (1) bottom and is connected with revolving body (5) and drives revolving body (5) and rotates, between fixed station (1) top and revolving body (5), revolving body bearing (9) is set, be provided with taper roll bearing (11) between fixed station (1) bottom and revolving body (5), revolving body bearing (9) in described revolving body (5) locates also to be provided with the first lock nut (10), pin revolving body bearing (9) by the first lock nut (10), taper roll bearing (11) in revolving body (5) locates also to be provided with the second lock nut (12), pin taper roll bearing (11) by the second lock nut (12).
2. the gear positioning device in a kind of gear-shaping machine according to claim 1, it is characterized in that, described actuating unit is cylinder (20), be provided with connecting axle (21) on the output of cylinder (20), connecting axle (21) is fixedly connected with tailstock (18), be provided with fixed head (22) between connecting axle (21) and tailstock (18), also be provided with pulley (23) in column (17), be provided with balancing weight (24) on pulley (23).
3. the gear positioning device in a kind of gear-shaping machine according to claim 2, it is characterized in that, be provided with sleeve (25) on described column (17), location thimble (19) is arranged on column (17) by sleeve (25).
4. the gear positioning device in a kind of gear-shaping machine according to claim 1, it is characterized in that, be provided with plane bearing (8) between described revolution table top body (4) and fixed station (1), offer step (4a) between revolution table top body (4) and revolution working body (2), plane bearing (8) is arranged on this step (4a) and locates.
5. the gear positioning device in a kind of gear-shaping machine according to claim 4, it is characterized in that, described driving mechanism (3) comprises motor (6) and reductor (7), described reductor (7) is connected with motor (6), for interference fit is connected, motor (6) drives revolution working body (2) rotation to the output shaft (7a) of reductor (7) after reductor (7) slows down the increase moment of torsion with revolving body (5).
6. the gear positioning device in a kind of gear-shaping machine according to claim 5, is characterized in that, also is provided with deceleration mantle (13) between described reductor (7) and fixed station (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110308684 CN102366849B (en) | 2011-10-12 | 2011-10-12 | Gear positioning device in gear process machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110308684 CN102366849B (en) | 2011-10-12 | 2011-10-12 | Gear positioning device in gear process machine |
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| CN102366849A CN102366849A (en) | 2012-03-07 |
| CN102366849B true CN102366849B (en) | 2013-06-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520700A (en) * | 1982-10-07 | 1985-06-04 | Carl-Zeiss-Stuftung, Heidenhheim/Brenz | Tailstock for rotatably mounting a workpiece in precision machinery |
| CN2827617Y (en) * | 2005-11-01 | 2006-10-18 | 甘肃省机械科学研究院 | Rear column rotation support of hobbing machine with rotary actuator |
| CN101758388A (en) * | 2009-10-20 | 2010-06-30 | 西安贝吉姆机床股份有限公司 | Workbench base of gear grinding machine |
| CN102039452A (en) * | 2009-10-19 | 2011-05-04 | 西安贝吉姆机床股份有限公司 | Movable center locking mechanism of gear grinding machine |
| CN102151914A (en) * | 2011-01-28 | 2011-08-17 | 陈建文 | Equipment for processing tooth surface of gear |
| CN202278269U (en) * | 2011-10-12 | 2012-06-20 | 宁波市鄞州泰盛数控设备有限公司 | Gear positioning device in gear processing machine |
-
2011
- 2011-10-12 CN CN 201110308684 patent/CN102366849B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520700A (en) * | 1982-10-07 | 1985-06-04 | Carl-Zeiss-Stuftung, Heidenhheim/Brenz | Tailstock for rotatably mounting a workpiece in precision machinery |
| CN2827617Y (en) * | 2005-11-01 | 2006-10-18 | 甘肃省机械科学研究院 | Rear column rotation support of hobbing machine with rotary actuator |
| CN102039452A (en) * | 2009-10-19 | 2011-05-04 | 西安贝吉姆机床股份有限公司 | Movable center locking mechanism of gear grinding machine |
| CN101758388A (en) * | 2009-10-20 | 2010-06-30 | 西安贝吉姆机床股份有限公司 | Workbench base of gear grinding machine |
| CN102151914A (en) * | 2011-01-28 | 2011-08-17 | 陈建文 | Equipment for processing tooth surface of gear |
| CN202278269U (en) * | 2011-10-12 | 2012-06-20 | 宁波市鄞州泰盛数控设备有限公司 | Gear positioning device in gear processing machine |
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| CN102366849A (en) | 2012-03-07 |
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Address after: 315171 No. 199-217, No. 3 Industrial and Trade Road, Jishigang Industrial Zone, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Haishu Taisheng CNC Equipment Co., Ltd. Address before: 315171 No. 199-217, Industrial and Trade Third Road, Jishigang Industrial Zone, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Ningbo Yinzhou Taisheng Numerical Control Equipment Co.,Ltd. |