CN104722855A - Quick clamping and aligning device for gear shaft hobbing and clamping and aligning structure thereof - Google Patents

Quick clamping and aligning device for gear shaft hobbing and clamping and aligning structure thereof Download PDF

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Publication number
CN104722855A
CN104722855A CN201510118844.0A CN201510118844A CN104722855A CN 104722855 A CN104722855 A CN 104722855A CN 201510118844 A CN201510118844 A CN 201510118844A CN 104722855 A CN104722855 A CN 104722855A
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CN
China
Prior art keywords
clamping
pressing plate
quick
output shaft
supporter
Prior art date
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Granted
Application number
CN201510118844.0A
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Chinese (zh)
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CN104722855B (en
Inventor
姜文鸽
李春明
许仁伟
牟杏华
顾伟伟
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Changzhou Tianshan Heavy Industry Machinery Co Ltd
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Changzhou Tianshan Heavy Industry Machinery Co Ltd
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Priority to CN201510118844.0A priority Critical patent/CN104722855B/en
Publication of CN104722855A publication Critical patent/CN104722855A/en
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Publication of CN104722855B publication Critical patent/CN104722855B/en
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Abstract

The invention relates to a quick clamping and aligning device for gear shaft hobbing and a clamping and aligning structure thereof. The clamping and aligning device comprises a base, a supporting body, a pressing plate and a tightening component. A tapered inner hole is formed in the center of the supporting body. The big end of the tapered inner hole faces the top of the supporting body. The supporting body is provided with two corresponding insertion holes. The pressing plate is inserted into the supporting body through the two insertion holes, and the two ends of the pressing plate are placed in the insertion holes. The supporting body is further provided with an operation opening facilitating operating of the tightening component. The tightening component penetrates through the pressing plate to provide downward pull force for an output shaft. The clamping and aligning device has the advantages that the positioning surface of the clamping and aligning device needs to be aligned just for the first time when used for clamping a workpiece, the workpiece does not need to be aligned during follow-up machining, a gear shaft makes full contact with the quick clamping and aligning device through the conical surface, friction force exists between the gear shaft and the quick clamping and aligning device after the gear shaft makes full contact with the quick clamping and aligning device, and the designed conical surface has a self-locking function, and therefore the clamping and aligning device can play a role in firmly supporting the gear shaft.

Description

For quick-clamping alignment device and the clamping centering structure thereof of tooth axle gear hobbing process
Technical field
The present invention relates to a kind of quick-clamping alignment device for tooth axle gear hobbing process and clamping centering structure thereof.
Background technology
Adopt chuck folder bottom when existing tooth axle rolls (milling) tooth, the installation way of top top upper portion central hole carries out clamping, and this installation way exists that rigidity is bad, the inefficient shortcoming of working (machining) efficiency, centering.
Summary of the invention
Technical problem to be solved by this invention is: existing installation way rigidity is bad, working (machining) efficiency, centering efficiency are low.
The technical solution adopted for the present invention to solve the technical problems is: a kind of quick-clamping alignment device for tooth axle gear hobbing process, comprise base, supporter, pressing plate and take-up, there is at supporter center the taper inner of the output shaft for inserting tooth axle to be processed, the large end of this taper inner is towards the top of supporter, base is arranged on the bottom of supporter, supporter has two corresponding jacks, pressing plate to be inserted in supporters by these two jacks and the two ends of pressing plate are shelved in jack, supporter also has the gathering hole having convenient operation take-up, what take-up comprised connecting plate and connecting plate bottom tightens up screw rod, connecting plate has the bolt for being connected with the end of output shaft, tighten up screw rod through pressing plate, through pressing plate tighten up on screw rod twist tighten up nut, by rotary tightening nut, making to tighten up nut is pressed on pressing plate, downward pulling force is provided to output shaft, or take-up comprises the nut head of screw rod and screw rod end, screw rod is screwed into the screw of the end of output shaft through the head end of pressing plate screw rod, by rotating nut head, makes nut head be pressed on pressing plate, provides downward pulling force to output shaft.
Further restriction, pressing plate has the long slot bore of opening.
For improving the clamping reliability of quick-clamping alignment device further, limiting further, supporter having multiple positioning bolt hole, in positioning bolt hole, be screwed into bolt.
A kind of tooth axle clamping centering structure, comprise tooth axle and above-mentioned quick-clamping alignment device, the output shaft of tooth axle processes the tapering cylindrical matched with the taper inner of quick-clamping alignment device, the output shaft of tooth axle inserts the taper inner of quick-clamping alignment device, take-up is connected with the end of output shaft, quick-clamping alignment device by floor installation in machine table.
The invention has the beneficial effects as follows: only need first to carry out centering to this device locating surface when using this quick-clamping alignment device to carry out clamping, during following process, workpiece is without the need to carrying out centering again, tooth axle is fully contacted by the conical surface with this quick-clamping alignment device, owing to each other there is frictional force after abundant contact, and the conical surface of design itself has auto-lock function, can play a supporting role securely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described;
Fig. 1 is structural representation of the present invention;
Fig. 2 is the first stereogram of the present invention;
Fig. 3 is the second stereogram of the present invention;
Fig. 4 is the structural representation of pressing plate of the present invention;
In figure, 1. base, 2. supporter, 3. pressing plate, 31. long slot bores, 4. jack, 5. gathering hole, 6. connecting plate, 7. tighten up screw rod, 8. bolt, 9. tightens up nut, 10. output shaft, 11. bolts, 12. taper inners.
Detailed description of the invention
As Fig. 1,2, shown in 3 and 4, a kind of quick-clamping alignment device for tooth axle gear hobbing process, comprise base 1, supporter 2, pressing plate 3 and take-up, there is at supporter 2 center the taper inner 12 of the output shaft 10 for inserting tooth axle to be processed, the large end of this taper inner 12 is towards the top of supporter 2, base 1 is arranged on the bottom of supporter 2, supporter 2 has two corresponding jacks 4, pressing plate 3 inserts in the supporter 2 and two ends of pressing plate 3 by these two jacks 4 and is shelved in jack 4, pressing plate 3 has the long slot bore 31 of opening.Supporter 2 also has the gathering hole 5 having convenient operation take-up, what take-up comprised connecting plate 6 and connecting plate 6 bottom tightens up screw rod 7, connecting plate 6 has the bolt 8 for being connected with the end of output shaft 10, tighten up screw rod 7 through pressing plate 3, through pressing plate 3 tighten up on screw rod 7 twist tighten up nut 9, by rotary tightening nut 9, make to tighten up nut 9 and be pressed on pressing plate 3, provide downward pulling force to output shaft 10; Or take-up comprises the nut head of screw rod and screw rod end, screw rod is through pressing plate 3, and the head end of screw rod is screwed into the screw of the end of output shaft 10, by rotating nut head, makes nut head be pressed on pressing plate 3, provides downward pulling force to output shaft 10.
Reinforcement for strengthening structure is set between base 1 and supporter 2.
A kind of tooth axle clamping centering structure, comprise tooth axle and quick-clamping alignment device, the output shaft 10 of tooth axle processes the tapering cylindrical matched with the taper inner 12 of quick-clamping alignment device, the output shaft 10 of tooth axle inserts the taper inner 12 of quick-clamping alignment device, take-up is connected with the end of output shaft 10, and quick-clamping alignment device is arranged in machine table by base 1.
The supporter 2 of this quick-clamping alignment device adopts 45 or 42CrMo material, base 1 and reinforcement employing Q345, low price.
This quick-clamping alignment device is safeguarded simple, if taper inner 12 has damage after Long-Time Service, can by carrying out turnery processing to endoporus, and surface roughness reaches Ra3.2.For ensureing that this quick-clamping alignment device in use has enough mill sassafras power, General Requirements, the contact area of the tapering cylindrical of the output shaft 10 of tooth axle and the taper inner 12 of this quick-clamping alignment device is greater than 90%, and finish turning can meet the demands.Further, can also have multiple positioning bolt hole on supporter 2, be screwed into bolt 11 in positioning bolt hole, bolt 11 withstands on output shaft 10, by the positioning action of bolt 11, fully stop the situation that tooth axle rotates in process.
As shown in Figure 1, the present invention is further described to reduce gear hobbing surplus to carry out thick Gear Milling for tooth axle:
In order to improve working (machining) efficiency, needing improve axial feed velocity and then cause cutting force to increase, if adopt existing installation way, because rigidity is inadequate, easily causing workpiece to produce vibration, affecting machining accuracy.
The output shaft 10 of tooth axle inserts the taper inner 12 of this quick-clamping alignment device, rely on tooth axle gravity and in conjunction with the pulling force of take-up, the tapering cylindrical of the output shaft 10 of tooth axle and the taper inner 12 of this quick-clamping alignment device are formed combines closely, improve the integral rigidity of tooth axle and this quick-clamping alignment device, be beneficial to improve axial feeding, bolt 11 can not use.
After rough milling tooth process finishing, unclamp take-up by gathering hole 5, and extract pressing plate 3 out, then withstand in take-up by jack, tooth axle is separated with quick-clamping alignment device, be convenient to take out the tooth axle machined.

Claims (4)

1. the quick-clamping alignment device for tooth axle gear hobbing process, it is characterized in that: comprise base (1), supporter (2), pressing plate (3) and take-up, there is at described supporter (2) center the taper inner (12) of the output shaft (10) for inserting tooth axle to be processed, the large end of this taper inner (12) is towards the top of supporter (2), base (1) is arranged on the bottom of supporter (2), supporter (2) has two corresponding jacks (4), pressing plate (3) inserts the interior of supporter (2) by these two jacks (4) and two ends that are pressing plate (3) are shelved in jack (4), described supporter (2) also has the gathering hole (5) having convenient operation take-up,
What described take-up comprised connecting plate (6) and connecting plate (6) bottom tightens up screw rod (7), connecting plate (6) has the bolt (8) for being connected with the end of output shaft (10), tighten up screw rod (7) through pressing plate (3), nut (9) is tightened up upper the twisting of screw rod (7) of tightening up through pressing plate (3), by rotary tightening nut (9), making to tighten up nut (9) is pressed on pressing plate (3), provides downward pulling force to output shaft (10);
Or described take-up comprises the nut head of screw rod and screw rod end, screw rod is through pressing plate (3), the head end of screw rod is screwed into the screw of the end of output shaft (10), by rotating nut head, make nut head be pressed on pressing plate (3), provide downward pulling force to output shaft (10).
2. the quick-clamping alignment device for tooth axle gear hobbing process according to claim 1, is characterized in that: the long slot bore (31) described pressing plate (3) with opening.
3. the quick-clamping alignment device for tooth axle gear hobbing process according to claim 1, is characterized in that: described supporter (2) has multiple positioning bolt hole, is screwed into bolt (11) in positioning bolt hole.
4. a tooth axle clamping centering structure, it is characterized in that: comprise tooth axle and quick-clamping alignment device according to claim 1, the output shaft (10) of described tooth axle processes the tapering cylindrical matched with the taper inner of quick-clamping alignment device (12), the output shaft (10) of tooth axle inserts the taper inner (12) of quick-clamping alignment device, take-up is connected with the end of output shaft (10), and quick-clamping alignment device is arranged in machine table by base (1).
CN201510118844.0A 2015-03-18 2015-03-18 Quick-clamping alignment device and its clamping centering structure for tooth axle gear hobbing process Active CN104722855B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510118844.0A CN104722855B (en) 2015-03-18 2015-03-18 Quick-clamping alignment device and its clamping centering structure for tooth axle gear hobbing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510118844.0A CN104722855B (en) 2015-03-18 2015-03-18 Quick-clamping alignment device and its clamping centering structure for tooth axle gear hobbing process

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CN104722855B CN104722855B (en) 2017-08-29

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100991593B1 (en) * 2010-03-17 2010-11-04 주식회사 제일종공 Gear shaft supporting device
CN202344060U (en) * 2011-11-23 2012-07-25 十堰园钧工贸有限公司 Hobbing machining device for driving gear
CN203409372U (en) * 2013-06-28 2014-01-29 重庆聚嘉机械有限公司 Spline drive type hobbing clamp
CN203448792U (en) * 2013-08-12 2014-02-26 浙江中马汽车变速器股份有限公司 Gear shaft gear hobbing clamp
CN203471078U (en) * 2013-07-29 2014-03-12 江阴市科安传动机械有限公司 Fixture for bevel gear provided with shaft
JP2014151382A (en) * 2013-02-06 2014-08-25 Kashifuji:Kk Machine tool
CN203900640U (en) * 2014-06-18 2014-10-29 常州信息职业技术学院 Integrated mandrel type hobbing clamp enabling multiple pairs of workpieces to be machined at the same time
CN104162720A (en) * 2013-05-20 2014-11-26 山东交通学院 Gear shaft processing fixture
CN203992681U (en) * 2014-07-03 2014-12-10 宁夏天地奔牛实业集团有限公司 A kind of self-holding bevel gear shaft cutting mold
CN104227148A (en) * 2014-08-20 2014-12-24 衡山齿轮有限责任公司 Hobbing assembly clamp for gear shaft
CN204504414U (en) * 2015-03-18 2015-07-29 常州天山重工机械有限公司 A kind of quick-clamping alignment device for the gear hobbing of tooth axle and clamping centering structure thereof

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100991593B1 (en) * 2010-03-17 2010-11-04 주식회사 제일종공 Gear shaft supporting device
CN202344060U (en) * 2011-11-23 2012-07-25 十堰园钧工贸有限公司 Hobbing machining device for driving gear
JP2014151382A (en) * 2013-02-06 2014-08-25 Kashifuji:Kk Machine tool
CN104162720A (en) * 2013-05-20 2014-11-26 山东交通学院 Gear shaft processing fixture
CN203409372U (en) * 2013-06-28 2014-01-29 重庆聚嘉机械有限公司 Spline drive type hobbing clamp
CN203471078U (en) * 2013-07-29 2014-03-12 江阴市科安传动机械有限公司 Fixture for bevel gear provided with shaft
CN203448792U (en) * 2013-08-12 2014-02-26 浙江中马汽车变速器股份有限公司 Gear shaft gear hobbing clamp
CN203900640U (en) * 2014-06-18 2014-10-29 常州信息职业技术学院 Integrated mandrel type hobbing clamp enabling multiple pairs of workpieces to be machined at the same time
CN203992681U (en) * 2014-07-03 2014-12-10 宁夏天地奔牛实业集团有限公司 A kind of self-holding bevel gear shaft cutting mold
CN104227148A (en) * 2014-08-20 2014-12-24 衡山齿轮有限责任公司 Hobbing assembly clamp for gear shaft
CN204504414U (en) * 2015-03-18 2015-07-29 常州天山重工机械有限公司 A kind of quick-clamping alignment device for the gear hobbing of tooth axle and clamping centering structure thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杨宝胜: "插齿机加工齿轮轴", 《机械工人.冷加工》 *
黄军伟: "长齿轮轴插削时的装夹", 《机械工人.冷加工》 *

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