CN102773568B - Special elastic lamp for grinding conical surface of gear - Google Patents
Special elastic lamp for grinding conical surface of gear Download PDFInfo
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- CN102773568B CN102773568B CN201210286428.8A CN201210286428A CN102773568B CN 102773568 B CN102773568 B CN 102773568B CN 201210286428 A CN201210286428 A CN 201210286428A CN 102773568 B CN102773568 B CN 102773568B
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Abstract
The invention provides a special elastic lamp for grinding the conical surface of a gear, structurally comprising a clamp body, an expansion sleeve pull rod, an elastic expansion sleeve, a workpiece positioning disc, a seal slide block, a clamp positioning disc, a pull rod and a rotary cir cylinder, wherein the longitudinal section of the clamp positioning disc is of a T shape; the pull rod is arranged at the center of the clamp positioning disc to be in sliding connection with the center through hole of the clamp positioning disc; the right end of the clamp positioning disc is connected with the clamp body by a bolt; the center of the left end of the clamp body is provided with a T-shaped concave hole; the seal slide block is arranged in the concave hole; the left end of the seal slide block is provided with an outer threaded pipe joint, and the right end of the seal slide block is provided with an inner threaded hole; the outer threaded pipe joint is connected with the right end of the pull rod through threads; and the expansion sleeve pull rod is penetrated in the center hole of the clamp body. Compared with the conventional tool for machining the conical surface of the gear, the special elastic lamp has the characteristics of high machining precision, high workpiece clamping stability, high support efficiency and the like, thus the special elastic lamp is very good in popularization and use value.
Description
Technical field:
The present invention relates to a kind of spring chuck of automobile gearbox gear conical surface grinding, is a kind of roll flute wheel conical surface elastic clamp special specifically.
Background technology:
China Automobile Industry was rapid in recent years, and automobile gearbox is very important functional part on automobile, the annual huge market demand, and conical surface gear is the vital part on automobile gearbox.When automobile is by a shifting gear will be excessively to another gear time, contact in order to alleviate by the inner conical surface of synchronous ring the friction producing with gear-wheel gear-ring male cone (strobilus masculinus) to be joined, conical surface friction makes tooth cover to be engaged synchronize rapidly with gear ring, realize soft gear shift, the quality of its gear conical surface quality is directly connected to the quality of gearbox gear-shift and the life-span of gearbox, taper gear is the core part on gearbox, its quality is most important, domestic present gear conical surface crudy poor stability, the basic mode that adopts traditional punching axle to process, machining accuracy poor stability, working (machining) efficiency is low.
Summary of the invention:
The present invention is directed to the deficiencies in the prior art, a kind of roll flute wheel conical surface elastic clamp special is provided.
The technical scheme of roll flute wheel conical surface elastic clamp special of the present invention is as follows: its structure comprises chuck body, expansion set pull bar, elastic expansion sleeve, workpiece positioning disk, sealing slide block, fixture positioning disk, pull bar, rotary cylinder, wherein:
The longitudinal section of fixture positioning disk is T shape, center and fixture positioning disk central through hole that pull bar is arranged on fixture positioning disk are slidably connected, the right-hand member of fixture positioning disk has been bolted chuck body, chuck body left end center has T shape shrinkage pool, sealing slide block is arranged among shrinkage pool, sealing slide block left end is provided with male connector, right-hand member is provided with internal thread hole, male connector is connected with pull bar right-hand member by screw thread, expansion set pull bar is through among the centre bore of chuck body, the external screw thread of its left end is threaded connection with the internal thread hole of sealing slide block right-hand member, the right-hand member of chuck body is a bullet, workpiece positioning disk center has stepped hole, the limit portion level of stepped hole has three air admission holes, the stepped hole of workpiece positioning disk is enclosed within the left end of bullet, the card of workpiece positioning disk links together by bolt and chuck body, elastic expansion sleeve center has identical being slidably connected of bullet of bellmouth and chuck body right-hand member, the shoulder hole at the cylindrical of elastic expansion sleeve left end and workpiece positioning disk center joins, the right-hand member of elastic expansion sleeve is provided with grab, grab be stuck in expansion set pull bar right-hand member arrange disk cylindrical on cannelure in, spring chuck job step is as follows:
When workpiece is during near air admission hole on positioning disk, pull bar central airway is connected with three air admission holes on workpiece positioning disk by the air flue of sealing slide block and expansion set pull bar, air admission hole is plugged, the vacuum of pull bar central airway increases, pressure sensor is by machine signal announcement machine bed controller on workpiece, machine tool controller starts solenoid control rotary cylinder and affects pull bar to move left and right, controller control rotary cylinder left tractive pull bar moves to left, pull bar affects expansion set pull bar again, elastic expansion sleeve is clamped inner hole of workpiece along the swelling that moves to left of the bullet conical surface under the pulling of expansion set pull bar, machine motor works on power and carries out workpiece processing, workpiece completion of processing, machine tool controller control magnetic valve is removed negative pressure, rotary cylinder pushing drawing rod moves to right, interlock expansion set pull bar and elastic expansion sleeve expansion set move to right, unclamp workpiece, in the time that workpiece positioning disk does not have workpiece, air admission hole opens wide, the output of vacuum transducer no signal, rotary cylinder and machine motor are not worked.
Expansion set pull bar left end center has horizontal blind hole, horizontal blind hole side has vertical side hole, vertical side opening is connected with the vertical air inlet hole in chuck body, side, vertical air inlet hole has horizontal side hole, horizontal side opening docks with the horizontal air admission hole on workpiece positioning disk, horizontal blind hole left end on expansion set pull bar is communicated with the sealing centre bore of slide block and the central airway of pull bar, and central airway connects with the negative-pressure pipeline that is connected vavuum pump by rotary cylinder.
Between sealing slide block and chuck body, be provided with sealing ring, between chuck body and expansion set pull bar, be provided with sealing ring, the left end of pull bar is connected with rotary cylinder by screw thread.
The beneficial effect of roll flute wheel conical surface elastic clamp special of the present invention is: overcome a gear part cone face process harness difficult problem, realize the breakthrough of processing this type of part harness technology, have that machining accuracy is high, holding workpiece is stable, efficiency high, thereby have good value for applications.Concrete feature is as follows:
1) gear axial location utilizes hermetic seal checkout gear to realize, and machining gears conical surface stability is high.
2) adopt rotary cylinder to drive pull bar to move forward and backward, air pressure is easy to adjust, and chucking power is easy to adjust, and air pressure drives fixture totally quick.
3) adopt elastic expansion sleeve move mode swelling workpiece, clamp precision is high, meets gear conical surface high-precision requirement.
Brief description of the drawings:
Accompanying drawing 1 is the structural representation of roll flute wheel conical surface elastic clamp special;
Accompanying drawing 2 is roll flute wheel conical surface elastic clamp special operation principle schematic diagrames on lathe.
Description of reference numerals: chuck body 1, expansion set pull bar 2, elastic expansion sleeve 3, workpiece positioning disk 4, sealing slide block 5, fixture positioning disk 6, pull bar 7, rotary cylinder 8, horizontal blind hole 9, vertical air inlet hole 10, air admission hole 11, central airway 12, workpiece 13
Detailed description of the invention:
1 and 2 pair of roll flute wheel conical surface elastic clamp special of the present invention is described in further detail by reference to the accompanying drawings.
Roll flute wheel conical surface elastic clamp special of the present invention, its structure is made up of chuck body 1, expansion set pull bar 2, elastic expansion sleeve 3, workpiece positioning disk 4, sealing slide block 5, fixture positioning disk 6, pull bar 7, rotary cylinder 8, wherein:
The longitudinal section of fixture positioning disk 6 is T shape, center and fixture positioning disk 6 central through holes that pull bar 7 is arranged on fixture positioning disk 6 are slidably connected, the right-hand member of fixture positioning disk 6 has been bolted chuck body 1, chuck body 1 left end center has T shape shrinkage pool, sealing slide block 5 is arranged among shrinkage pool, sealing slide block 5 left ends are provided with male connector, right-hand member is provided with internal thread hole, male connector is connected with pull bar 7 right-hand members by screw thread, expansion set pull bar 2 is through among the centre bore of chuck body 1, the external screw thread of its left end is threaded connection with the internal thread hole of sealing slide block 5 right-hand members, the right-hand member of chuck body 1 is a bullet, workpiece positioning disk 4 centers have stepped hole, the limit portion level of stepped hole has three air admission holes 11, the stepped hole of workpiece positioning disk 4 is enclosed within the left end of bullet, the card of workpiece positioning disk 4 links together by bolt and chuck body 1, elastic expansion sleeve 3 centers have identical being slidably connected of bullet of bellmouth and chuck body 1 right-hand member, the shoulder hole at the cylindrical of elastic expansion sleeve 3 left ends and workpiece positioning disk 4 centers joins, the right-hand member of elastic expansion sleeve 3 is provided with grab, grab be stuck in expansion set pull bar 2 right-hand members arrange disk cylindrical on cannelure in.
Expansion set pull bar 2 left end centers have horizontal blind hole 9, horizontal blind hole 9 sides have vertical side hole, vertical side opening is connected with the vertical air inlet hole 10 in chuck body 1,10 sides, vertical air inlet hole have horizontal side hole, horizontal side opening docks with the horizontal air admission hole on workpiece positioning disk 4, horizontal blind hole 9 left ends on expansion set pull bar 2 are communicated with the sealing centre bore of slide block 5 and the central airway 12 of pull bar 7, and central airway 12 connects with the negative-pressure pipeline that is connected vavuum pump by rotary cylinder 8.
Between sealing slide block 5 and chuck body 1, be provided with sealing ring, between chuck body 1 and expansion set pull bar 2, be provided with sealing ring, the left end of pull bar 7 is connected with rotary cylinder 8 by screw thread.
Embodiment
Spring chuck job step is as follows:
When workpiece is during near air admission hole on positioning disk, pull bar central airway is connected with three air admission holes on workpiece positioning disk by the air flue of sealing slide block and expansion set pull bar, air admission hole is plugged, the vacuum of pull bar central airway increases, pressure sensor is by machine signal announcement machine bed controller on workpiece, machine tool controller starts solenoid control rotary cylinder and affects pull bar to move left and right, controller control rotary cylinder left tractive pull bar moves to left, pull bar affects expansion set pull bar again, elastic expansion sleeve is clamped inner hole of workpiece along the swelling that moves to left of the bullet conical surface under the pulling of expansion set pull bar, machine motor works on power and carries out workpiece processing, workpiece completion of processing, machine tool controller control magnetic valve is removed negative pressure, rotary cylinder pushing drawing rod moves to right, interlock expansion set pull bar and elastic expansion sleeve expansion set move to right, unclamp workpiece, in the time that workpiece positioning disk does not have workpiece, air admission hole opens wide, the output of vacuum transducer no signal, rotary cylinder and machine motor are not worked.
Vavuum pump, pressure sensor and controller are general dynamo-electric accessory.
Except the technical characterictic described in description, be this professional known technology.
Claims (3)
1. a pneumatic roll flute wheel conical surface elastic clamp special, it is characterized in that, comprise chuck body, expansion set pull bar, elastic expansion sleeve, workpiece positioning disk, sealing slide block, fixture positioning disk, pull bar, rotary cylinder, wherein: the longitudinal section of fixture positioning disk is T shape, center and fixture positioning disk central through hole that pull bar is arranged on fixture positioning disk are slidably connected, the right-hand member of fixture positioning disk has been bolted chuck body, chuck body left end center has T shape shrinkage pool, sealing slide block is arranged among shrinkage pool, sealing slide block left end is provided with male connector, right-hand member is provided with internal thread hole, male connector is connected with pull bar right-hand member by screw thread, expansion set pull bar is through among the centre bore of chuck body, the external screw thread of its left end is threaded connection with the internal thread hole of sealing slide block right-hand member, the right-hand member of chuck body is a bullet, workpiece positioning disk center has stepped hole, the limit portion level of stepped hole has three air admission holes, the stepped hole of workpiece positioning disk is enclosed within the left end of bullet, the card of workpiece positioning disk links together by bolt and chuck body, elastic expansion sleeve center has identical being slidably connected of bullet of bellmouth and chuck body right-hand member, the shoulder hole at the cylindrical of elastic expansion sleeve left end and workpiece positioning disk center joins, the right-hand member of elastic expansion sleeve is provided with grab, grab be stuck in expansion set pull bar right-hand member arrange disk cylindrical on cannelure in, spring chuck job step is as follows:
When workpiece is during near air admission hole on positioning disk, pull bar central airway is connected with three air admission holes on workpiece positioning disk by the air flue of sealing slide block and expansion set pull bar, air admission hole is plugged, the vacuum of pull bar central airway increases, pressure sensor is by machine signal announcement machine bed controller on workpiece, machine tool controller starts solenoid control rotary cylinder and affects pull bar to move left and right, controller control rotary cylinder left tractive pull bar moves to left, pull bar affects expansion set pull bar again, elastic expansion sleeve is clamped inner hole of workpiece along the swelling that moves to left of the bullet conical surface under the pulling of expansion set pull bar, machine motor works on power and carries out workpiece processing, workpiece completion of processing, machine tool controller control magnetic valve is removed negative pressure, rotary cylinder pushing drawing rod moves to right, interlock expansion set pull bar and elastic expansion sleeve expansion set move to right, unclamp workpiece, in the time that workpiece positioning disk does not have workpiece, air admission hole opens wide, the output of vacuum transducer no signal, rotary cylinder and machine motor are not worked.
2. roll flute wheel conical surface elastic clamp special according to claim 1, it is characterized in that expansion set pull bar left end center has horizontal blind hole, horizontal blind hole side has vertical side hole, vertical side opening is connected with the vertical air inlet hole in chuck body, side, vertical air inlet hole has horizontal side hole, horizontal side opening docks with the horizontal air admission hole on workpiece positioning disk, horizontal blind hole left end on expansion set pull bar is communicated with the sealing centre bore of slide block and the central airway of pull bar, and central airway connects with the negative-pressure pipeline that is connected vavuum pump by rotary cylinder.
3. roll flute according to claim 1 is taken turns conical surface elastic clamp special, it is characterized in that sealing between slide block and chuck body being provided with sealing ring, between chuck body and expansion set pull bar, is provided with sealing ring, and the left end of pull bar is connected with rotary cylinder by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286428.8A CN102773568B (en) | 2012-08-14 | 2012-08-14 | Special elastic lamp for grinding conical surface of gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286428.8A CN102773568B (en) | 2012-08-14 | 2012-08-14 | Special elastic lamp for grinding conical surface of gear |
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| Publication Number | Publication Date |
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| CN102773568A CN102773568A (en) | 2012-11-14 |
| CN102773568B true CN102773568B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210286428.8A Active CN102773568B (en) | 2012-08-14 | 2012-08-14 | Special elastic lamp for grinding conical surface of gear |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170683B (en) * | 2013-04-07 | 2015-02-18 | 重庆市北碚区颜宏齿轮工业有限责任公司 | Computer numerically controlled (CNC) gear hobbing machine clamping system |
| CN103341769B (en) * | 2013-06-23 | 2017-07-07 | 芜湖杰诺瑞汽车电器系统有限公司 | The milling clamper for automatically controlling |
| CN104275533A (en) * | 2013-07-09 | 2015-01-14 | 山推工程机械股份有限公司 | Clamping device for gear fine machining |
| CN104439549A (en) * | 2014-12-07 | 2015-03-25 | 重庆市璧山县振昌汽车配件有限公司 | Fixing mechanism for inserting inner teeth of synchronizer clutch |
| CN111571270A (en) * | 2020-05-18 | 2020-08-25 | 西京学院 | Thin-wall part internal expansion clamp |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202752706U (en) * | 2012-08-14 | 2013-02-27 | 济南四机数控机床有限公司 | Dedicated elastic fixture for grinding gear conical surface |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835031A (en) * | 1981-08-27 | 1983-03-01 | Nissan Motor Co Ltd | Second working device for tooth surface |
| JPH068047A (en) * | 1992-06-29 | 1994-01-18 | Honda Motor Co Ltd | Workpiece fitting device |
| JPH10138046A (en) * | 1996-11-01 | 1998-05-26 | Honda Motor Co Ltd | Work support mechanism for gear finishing work device |
| JP4739549B2 (en) * | 2001-02-27 | 2011-08-03 | 株式会社カシフジ | Gear processing machine |
| CN201132246Y (en) * | 2007-12-28 | 2008-10-15 | 天津市精诚机床制造有限公司 | Novel spring clamper |
| DE202009007821U1 (en) * | 2009-06-03 | 2009-10-08 | Klingelnberg Ag | Gear machine with vibration damping |
| CN102554367B (en) * | 2011-12-27 | 2013-07-17 | 重庆机床(集团)有限责任公司 | Quick changing clamp for disc teeth and hobbing teeth |
| CN202367292U (en) * | 2011-12-29 | 2012-08-08 | 重庆机床(集团)有限责任公司 | Loosening and dismounting device for elastic expanding sleeve of fixture |
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2012
- 2012-08-14 CN CN201210286428.8A patent/CN102773568B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202752706U (en) * | 2012-08-14 | 2013-02-27 | 济南四机数控机床有限公司 | Dedicated elastic fixture for grinding gear conical surface |
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