CN104384624A - Cylindrical mandrel hobbing fixture - Google Patents

Cylindrical mandrel hobbing fixture Download PDF

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Publication number
CN104384624A
CN104384624A CN201410592332.3A CN201410592332A CN104384624A CN 104384624 A CN104384624 A CN 104384624A CN 201410592332 A CN201410592332 A CN 201410592332A CN 104384624 A CN104384624 A CN 104384624A
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CN
China
Prior art keywords
gear
mandrel
hobbing
cylindrical
lining
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410592332.3A
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Chinese (zh)
Inventor
刘文生
Original Assignee
刘文生
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201410592332.3A priority Critical patent/CN104384624A/en
Publication of CN104384624A publication Critical patent/CN104384624A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a cylindrical mandrel hobbing fixture. The cylindrical mandrel hobbing fixture comprises a fixture body, a lock nut, a bushing, a hobbing mandrel, an upper spacer bush, a lower spacer bush and a nut; the fixture body is of a hollow conical structure; a bolt hole matched with a machine tool fixing hole is formed in the lower end of the fixture body, and a circular hole is formed in the center of an upper end cover; the bushing is of a hollow T-shaped structure, the two shoulder parts of the bushing are connected and matched with the upper end surface of the fixture body through bolts, and a cylinder at the lower end of the bushing is matched with the circular hole of the upper end cover of the fixture body; the hobbing mandrel is of a stepped cylindrical structure, the cylinder at the lower end is matched with the central hole of the bushing and extends out of the central hole of the bushing, so as to be locked by the lock nut; the upper spacer bush and the lower spacer bush are respectively positioned at the upper and lower ends of a gear workpiece, and the workpiece is clamped by the nut. According to the cylindrical mandrel hobbing fixture, a combination structure is adopted, the parts in use are simple in structure and easy to manufacture, the machining precision is guaranteed, and the gear machining efficiency is improved.

Description

A kind of cylindrical mandrel gear-hobbing clamp
Technical field
The design relates to a kind of cylindrical mandrel gear-hobbing clamp, belongs to machining technique field.
Background technology
Gear drive is mechanically operated a kind of primary drive form.The height of the accuracy of gear decides mechanically operated accuracy and stationarity.In Gear Processing, the manufacture of fixture, cooperation and installation accuracy are the key factors affecting the accuracy of gear, clamping apparatus for gear wheel processing whether reasonable in design, are not only related to the precision of gear, have also been related to the efficiency of Gear Processing.For this reason, formulate rational fixture according to the Structure and energy feature of gear and just seem quite important.
Summary of the invention
For above-mentioned requirements, the object of the design is to provide a kind of cylindrical mandrel gear-hobbing clamp.
For achieving the above object, the design is realized by following technological means: a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: comprise clamp body, locking nut, lining, gear hobbing mandrel, upper spacer, lower spacer, nut; Described clamp body is hollow cone body structure, and lower end is provided with the bolt hole matched with Installing machine tool hole, and upper end cover center is provided with circular hole; Described lining is the T-shaped structure of hollow, and two shoulders and clamp body upper surface are connected with bolt and coordinate, and lining lower end cylinder coordinates with the circular hole of clamp body upper end cover; Described gear hobbing mandrel is stepped cylindrical shape, lower end cylinder coordinates with lining centre bore and stretches out lining centre bore, the part of stretching out lining centre bore at lower end cylinder is provided with screw thread and coordinates with locking nut, lower spacer to be enclosed within the cylinder of gear hobbing mandrel upper end and to contact with lining upper surface, gear workpieces to be enclosed within the cylinder of gear hobbing mandrel upper end and to contact with lower spacer upper surface, gear workpieces upper end is provided with the upper spacer being enclosed within gear hobbing mandrel, gear hobbing mandrel stretches out spacer, is provided with screw thread and nut screw connection at extension.
Further:
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H6/h5.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H7/h6.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H8/h9.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: described locking nut is two.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: described gear hobbing mandrel lower end cylinder and lining centre bore are matched in clearance.
The invention has the beneficial effects as follows: the design adopts combining form structure, design of part used is simple, easy to manufacture, while guarantee machining accuracy, improves the efficiency of Gear Processing.
Accompanying drawing explanation
Fig. 1 is the design's structural representation.
The implication of drawing reference numeral is as follows: spacer, 7 nuts, 8 gear workpieces on 1 clamp body, 2 locking nuts, 3 linings, 4 gear hobbing mandrels, 5 times spacers, 6.
Detailed description of the invention
Below in conjunction with Figure of description, design is further described.
As shown in Figure 1, a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: comprise clamp body 1, locking nut 2, lining 3, gear hobbing mandrel 4, upper spacer 6, lower spacer 5, nut 7; Described clamp body 1 is hollow cone body structure, and lower end is provided with the bolt hole matched with Installing machine tool hole, and upper end cover center is provided with circular hole; Described lining 3 is the T-shaped structure of hollow, and two shoulders and clamp body 1 upper surface are connected with bolt and coordinate, and lining 3 lower end cylinder coordinates with the circular hole of clamp body 1 upper end cover; Described gear hobbing mandrel 4 is stepped cylindrical shape, lower end cylinder coordinates with lining 3 centre bore and stretches out lining 3 centre bore, the part of stretching out lining 3 centre bore at lower end cylinder is provided with screw thread and coordinates with locking nut 2, lower spacer 5 to be enclosed within the cylinder of gear hobbing mandrel 4 upper end and to contact with lining 3 upper surface, gear workpieces 8 to be enclosed within the cylinder of gear hobbing mandrel 4 upper end and to contact with lower spacer 5 upper surface, gear workpieces 8 upper end is provided with the upper spacer 6 being enclosed within gear hobbing mandrel 4, gear hobbing mandrel 4 stretches out spacer 6, is provided with screw thread coordinates with nut 7 at extension.
The use of lining 3 is to coordinate with the gear hobbing mandrel 4 of different inner diameters, adapting to the processing of different gear workpieces 8, simultaneously in order to ensure itself and gear hobbing mandrel 4 quality of fit, is convenient to the processing of lining 3; Upper spacer 6, lower spacer 5, respectively from upper and lower surface fixed gear workpiece 8, clamp gear workpieces 8 by nut 7, locking nut 2.The design adopts combined type, is convenient to processing and manufacturing, is also beneficial to the machining accuracy ensureing fixture, and can be suitable for the gear workpieces processing of different inner diameters, while guarantee machining accuracy, structure is simple, effectively can improve working (machining) efficiency.
Further:
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel 4 upper end cylindrical fit precision of gear workpieces 8 are H6/h5.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel 4 upper end cylindrical fit precision of gear workpieces 8 are H7/h6.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel 4 upper end cylindrical fit precision of gear workpieces 8 are H8/h9.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: described locking nut 2 is two.
Described a kind of cylindrical mandrel gear-hobbing clamp, is characterized in that: described gear hobbing mandrel 4 lower end cylinder and lining 3 centre bore are matched in clearance.
More than show and describe the general principle of the design, principal character and advantage.The technical staff of the industry should understand; the design is not restricted to the described embodiments; the principle that the design is just described described in above-described embodiment and description; under the prerequisite not departing from the design's spirit and scope; the design also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the design.The claimed scope of the design is defined by appending claims and equivalent thereof.

Claims (6)

1. cylindrical mandrel's gear-hobbing clamp, is characterized in that: comprise clamp body, locking nut, lining, gear hobbing mandrel, upper spacer, lower spacer, nut; Described clamp body is hollow cone body structure, and lower end is provided with the bolt hole matched with Installing machine tool hole, and upper end cover center is provided with circular hole; Described lining is the T-shaped structure of hollow, and two shoulders and clamp body upper surface are connected with bolt and coordinate, and lining lower end cylinder coordinates with the circular hole of clamp body upper end cover; Described gear hobbing mandrel is stepped cylindrical shape, lower end cylinder coordinates with lining centre bore and stretches out lining centre bore, the part of stretching out lining centre bore at lower end cylinder is provided with screw thread and coordinates with locking nut, lower spacer to be enclosed within the cylinder of gear hobbing mandrel upper end and to contact with lining upper surface, gear workpieces to be enclosed within the cylinder of gear hobbing mandrel upper end and to contact with lower spacer upper surface, gear workpieces upper end is provided with the upper spacer being enclosed within gear hobbing mandrel, gear hobbing mandrel stretches out spacer, is provided with screw thread and nut screw connection at extension.
2. a kind of cylindrical mandrel as claimed in claim 1 gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H6/h5.
3. a kind of cylindrical mandrel as claimed in claim 1 gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H7/h6.
4. a kind of cylindrical mandrel as claimed in claim 1 gear-hobbing clamp, is characterized in that: endoporus and the gear hobbing mandrel upper end cylindrical fit precision of gear workpieces are H8/h9.
5. a kind of cylindrical mandrel as claimed in claim 1 gear-hobbing clamp, is characterized in that: described locking nut is two.
6. a kind of cylindrical mandrel as claimed in claim 1 gear-hobbing clamp, is characterized in that: described gear hobbing mandrel lower end cylinder and lining centre bore are matched in clearance.
CN201410592332.3A 2014-10-30 2014-10-30 Cylindrical mandrel hobbing fixture Pending CN104384624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410592332.3A CN104384624A (en) 2014-10-30 2014-10-30 Cylindrical mandrel hobbing fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410592332.3A CN104384624A (en) 2014-10-30 2014-10-30 Cylindrical mandrel hobbing fixture

Publications (1)

Publication Number Publication Date
CN104384624A true CN104384624A (en) 2015-03-04

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Application Number Title Priority Date Filing Date
CN201410592332.3A Pending CN104384624A (en) 2014-10-30 2014-10-30 Cylindrical mandrel hobbing fixture

Country Status (1)

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CN (1) CN104384624A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104708117A (en) * 2015-03-19 2015-06-17 柳州市永益机械制造有限公司 Method for machining duplicate gears
CN105149701A (en) * 2015-09-28 2015-12-16 大族激光科技产业集团股份有限公司 Clamp for gear machining
CN105234504A (en) * 2015-11-19 2016-01-13 天津天海同步科技有限公司 Efficient high-precision shaft hobbing fixture

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081417A (en) * 1994-06-14 1996-01-09 Fukutoku Dia:Kk Taper expanding mandrel
CN203124872U (en) * 2013-02-03 2013-08-14 綦江县三川齿轮有限公司 Hobbing fixture
CN203281987U (en) * 2013-04-19 2013-11-13 贾智敏 Gear hub clamp
CN203541753U (en) * 2013-09-12 2014-04-16 中国振华集团久达机械厂 Hobbing fixture
CN203765107U (en) * 2014-03-25 2014-08-13 上海彭浦机器厂有限公司 Gear hole self-centering ball fixture
CN203778897U (en) * 2014-04-17 2014-08-20 福建省建瓯精工齿轮(机械)有限公司 Gear shaping tool clamp for gear internal teeth

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081417A (en) * 1994-06-14 1996-01-09 Fukutoku Dia:Kk Taper expanding mandrel
CN203124872U (en) * 2013-02-03 2013-08-14 綦江县三川齿轮有限公司 Hobbing fixture
CN203281987U (en) * 2013-04-19 2013-11-13 贾智敏 Gear hub clamp
CN203541753U (en) * 2013-09-12 2014-04-16 中国振华集团久达机械厂 Hobbing fixture
CN203765107U (en) * 2014-03-25 2014-08-13 上海彭浦机器厂有限公司 Gear hole self-centering ball fixture
CN203778897U (en) * 2014-04-17 2014-08-20 福建省建瓯精工齿轮(机械)有限公司 Gear shaping tool clamp for gear internal teeth

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104708117A (en) * 2015-03-19 2015-06-17 柳州市永益机械制造有限公司 Method for machining duplicate gears
CN105149701A (en) * 2015-09-28 2015-12-16 大族激光科技产业集团股份有限公司 Clamp for gear machining
CN105234504A (en) * 2015-11-19 2016-01-13 天津天海同步科技有限公司 Efficient high-precision shaft hobbing fixture

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Application publication date: 20150304

RJ01 Rejection of invention patent application after publication