CN104801786A - Outer gear ring gear shaping clamp with equally allocated fit clearance - Google Patents
Outer gear ring gear shaping clamp with equally allocated fit clearance Download PDFInfo
- Publication number
- CN104801786A CN104801786A CN201510142892.3A CN201510142892A CN104801786A CN 104801786 A CN104801786 A CN 104801786A CN 201510142892 A CN201510142892 A CN 201510142892A CN 104801786 A CN104801786 A CN 104801786A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- annulus
- shoulder
- stylobate
- circular bead
- Prior art date
- 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
Links
Landscapes
- Gears, Cams (AREA)
Abstract
The invention discloses an outer gear ring gear shaping clamp with equally allocated fit clearance. The outer gear ring gear shaping clamp is composed of a platform base, ring seats, opening gaskets, pull rods, nuts and round rings. The outer wall of the upper end of the platform base is of a multi-circular bead structure, and the ring seats are located and mounted at the circular bead which is located at the bottom; the outer circle of the circular bead above the bottom circular bead is in clearance fit with an inner hole of a work piece; the middle circular bead is a conical shaft with thin upside and thick downside; the circular bead on the top is used for assembling shaft section of the outer screw thread of each nut. The round rings are formed by winding steel wires; the round rings sleeve between the conical shaft at the upper end of the platform base and the inner wall of the work piece; when the nuts are screwed, the round rings can move axially along the conical shaft at the upper end of the circular bead to form an adjustable reinforced structure in which the round rings support the inner wall of the work piece radially. By adopting the structure integrating axial positioning and radial support, the outer gear ring gear shaping clamp is simple in structure, convenient in work piece assembly and disassembly, precise in positioning, strong in anti-deformation capability and steady in gear shaping quality, and is particularly suitable for gear shaping of outer gear rings with thin walls.
Description
Technical field
The present invention relates to a kind of machining fixture, specifically, the present invention relates to a kind of mandrel class fixture for shaping, particularly the impartial external toothing gear-shaping clamp distributing fit clearance.
Background technology
External toothing is the basic component of synchronized in automobile gearbox, and this kind of thin wall cylinder-shaped external toothing is directly used in transmitting torque.Because the accuracies of form and position such as the circularity of external toothing and circular runout are comparatively large on transmission quality impact, in manufacture process, Gear Shaping is critical process, and the principal element affecting Gear Shaping quality is the location structure of matched clamp.Now, the industry generally adopts expansion core class or optical axis class fixture as external toothing location slotting fixture, and the clamp structure of prior art is relatively simple, installs easily, can effective location.Because expansion core axle or optical axis and external toothing inner hole are matched in clearance, add in gear shaping process and there is radial load between cutter and workpiece, radial load facilitates the location fit error of workpiece and fixture, must affect Gear Shaping quality.Although expansion core axle can eliminate the radial fit gap with workpiece by elastic deformation, thin-walled external toothing is because of self rigidity deficiency, very sensitive to the radial load applied, when historical facts or anecdotes border uses, expansion core axle cannot abundant swelling workpiece, and workpiece can not get reliably locating affecting gear shaping efficiency and gear shaping quality.
Summary of the invention
The present invention is mainly for the deficiencies in the prior art, the external toothing gear-shaping clamp that a kind of equalization distributes fit clearance is proposed, this fixture is retaining prior art on the basis of workpiece axial location, set up the adjustable reinforced structure to workpiece inner wall radial support, this kind of composite construction is simple, and location is reliable, reliable clamping, it is convenient to load and unload, and gear shaping efficiency is high, crudy good.
The present invention is achieved through the following technical solutions technical goal.
The impartial external toothing gear-shaping clamp distributing fit clearance, it is made up of jointly stylobate, ring seat, open washer, pull bar, nut and annulus.Described stylobate is the perpendicular pipe box component put, it with bottom shoulder location and installation on supporting slotting machine workbench.Described pull bar is screw shaped component, and head is provided with the even-numbered polygons shoulder of units and conjuncted discoid heelpiece, and pull bar bottom is provided with external screw thread for connecting supporting draw-gear.Described open washer is placed under the heelpiece of pull bar, faces workpiece with uncovered one end.Its improvements are: the upper end outer wall of described stylobate is multiple stage shoulder structure, be positioned at the shoulder location and installation ring seat of bottom, up shoulder cylindrical and the inner hole of workpiece matched in clearance of a joint, middle shoulder is the up-thin-low-thick axis of cone, and going up one most, to save shoulder be external screw thread shaft part for fitting nut.Described annulus is a kind of individual pen circular open ring, it is shaped with steel wire wound, between the axis of cone that annulus cover installs to stylobate upper end and workpiece inner wall, turn nut can make annulus do axial displacement along the axis of cone of stylobate upper end, forms annulus to the adjustable reinforced structure of workpiece inner wall radial support.
As further improvement project, the external diameter 2 ~ 4mm less of workpiece root circle of open washer, the external diameter 0.5 ~ 1.0mm less of workpiece diameter of the discoid heelpiece of rod head.
As further improvement project, the axis of cone section tapering of stylobate upper end configuration is 1:0.77 ~ 1:1.2, and axis of cone section is interval 3 ~ 5mm between middle part and workpiece inwall axially.
As further improvement project, the annulus spring steel wire coiling of Φ 3.5 ~ Φ 5.5mm is shaped, and annulus leaves the opening of 5 ~ 8mm, and entirety is hardened to HRC=40 ~ 45.
The present invention compared with prior art, has following good effect:
1, the annulus of stylobate epicone shaft part configuration regulates axial location by nut, and adjustable diameter and screw adjusting structure is simple, and adjustability is good;
2, the annulus be sleeved on stylobate axis of cone section outer wall determines axial displacement direction by the nut rotated, and the annulus that stylobate axis of cone section moves axially radial displacement on same cross section is equal, and this structure accomplishes that fit clearance equalization is distributed;
3, during Gear Shaping, workpiece inner wall significantly improves rigidity because obtaining annulus radial support, is conducive to workpiece and promotes non-deformability, thus improve gear shaping efficiency and quality.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present invention.
Fig. 2 is the circular ring structure schematic diagram in Fig. 1.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, the invention will be further described.
Equalization shown in Fig. 1 distributes the external toothing gear-shaping clamp of fit clearance, and be synchronized external toothing embodiment in slotting vehicle gearbox, it is made up of jointly stylobate 1, ring seat 2, open washer 3, pull bar 4, nut 5 and annulus 6.Described stylobate 1 is the perpendicular pipe box component put, it with bottom shoulder location and installation on supporting slotting machine workbench.The upper end outer wall of stylobate 1 is multiple stage shoulder structure, and be positioned at the shoulder location and installation ring seat 2 of bottom, ring seat 2 is for location and installation workpiece 7.Joint shoulder cylindrical and a workpiece 7 endoporus matched in clearance on aforementioned shoulder, to be positioned at middle shoulder be a joint its tapering up-thin-low-thick is the axis of cone of 1:0.97, axis of cone section minimum diameter and workpiece 7 interval 5mm between inwall on one side in the present embodiment, going up a joint shoulder is most external screw thread shaft part for fitting nut 5.The spring steel wire of Φ 4mm of annulus 6 as shown in Figure 2 turns to individual pen circular open ring, and for the ease of annulus 6 elastomeric radial, annulus 6 entirety in the present embodiment is hardened to HRC=40 ~ 45, and stays the opening of 5mm.Until workpiece 7 in ring seat 2 after location and installation, then install between the axis of cone of stylobate 1 upper end and workpiece 7 inwall by annulus 6 cover, turn nut 5 to the right, forces annulus 6 to move down along the axis of cone of stylobate 1, till annulus 6 excircle radial direction leans workpiece 7 inwall.Otherwise turn nut 5 can cancel the restriction to annulus 6, be convenient to lay down the workpiece 7 having completed processing left.The present invention utilizes annulus 6 to move axially the impartial radial deformation of generation to support workpiece 7 inwall along the axis of cone section of stylobate 1, this kind of structure had both divided equally the fit clearance of workpiece 7 and ring seat 2, turn increase the rigidity of workpiece 7 on location and installation position, remarkable lifting workpieces 7 non-deformability thus, thus improve gear shaping efficiency and quality.Described pull bar 4 is screw shaped component, and the power being introduced matched drawing device by it carrys out workpiece pressing 7.For the ease of connect, pull bar 4 head is upward provided with the shoulder of outer-hexagonal shape, outside hexagon shoulder have conjuncted discoid heelpiece.Pull bar 4 one section of exposing from stylobate 1 bottom is provided with external screw thread, and this external thread section is for connecting supporting draw-gear.Before gear shaping, under the heelpiece first open washer 3 being placed in pull bar 4, open washer 3 is driven to exert pressure workpiece 7 by descending pull bar 4.The open washer 3 of the present embodiment is plate-like, pushes down workpiece 7 down with uncovered one end.In order to avoid unnecessary shaping, the external diameter of open washer 3 is smaller than the root circle of workpiece 7, in order to avoid open washer 3 is cut without reason.The external diameter 2mm less of the root circle of workpiece 7 of the present embodiment split shed pad 3.In addition, be convenient to quick dispatch workpiece 7, the discoid heelpiece external diameter 0.5mm less of workpiece 7 diameter of bore of pull bar 4 head.Gear Shaping is complete, raises pull bar 4 and can take out open washer 3 from the side, then take the workpiece 7 completed away, the workpiece 7 changing the outfit to be processed.
Simply, during practical application, workpiece loading and unloading 7 is very convenient, accurate positioning for axial location of the present invention and radial support integral structure, and non-deformability is strong, and shaping steady quality, is particularly suitable for the external toothing Gear Shaping of thin-walled.
Claims (5)
1. the impartial external toothing gear-shaping clamp distributing fit clearance, it is made up of jointly stylobate (1), ring seat (2), open washer (3), pull bar (4), nut (5) and annulus (6); Described stylobate (1) is the perpendicular pipe box component put, it with bottom shoulder location and installation on supporting slotting machine workbench; Described pull bar (4) is screw shaped component, and head is provided with the even-numbered polygons shoulder of units and conjuncted discoid heelpiece, and pull bar (4) bottom is provided with external screw thread for connecting supporting draw-gear; Described open washer (3) is placed under the heelpiece of pull bar (4), faces workpiece (7) with uncovered one end; It is characterized in that: the upper end outer wall of described stylobate (1) is multiple stage shoulder structure, be positioned at the shoulder location and installation ring seat (2) of bottom, the up shoulder cylindrical saved and workpiece (7) endoporus matched in clearance, middle shoulder is the up-thin-low-thick axis of cone, and going up a joint shoulder is most external screw thread shaft part for fitting nut (5); Described annulus (6) is a kind of individual pen circular open ring, it is shaped with steel wire wound, annulus (6) cover installs between the axis of cone of stylobate (1) upper end and workpiece (7) inwall, turn nut (5) can make annulus (6) do axial displacement along the axis of cone of stylobate (1) upper end, forms annulus (6) to the adjustable reinforced structure of workpiece (7) inwall radial support.
2. equalization according to claim 1 distributes the external toothing gear-shaping clamp of fit clearance, it is characterized in that: the external diameter 2 ~ 4mm less of workpiece (7) root circle of described open washer (3).
3. equalization according to claim 1 distributes the external toothing gear-shaping clamp of fit clearance, it is characterized in that: the external diameter 0.5 ~ 1.0mm less of workpiece (7) internal diameter of the discoid heelpiece of described pull bar (4) head.
4. equalization according to claim 1 distributes the external toothing gear-shaping clamp of fit clearance, it is characterized in that: the axis of cone section tapering of described stylobate (1) upper end configuration is 1:0.77 ~ 1:1.2 axially interval 3 ~ 5mm between middle part and workpiece (7) inwall.
5. equalization according to claim 1 distributes the external toothing gear-shaping clamp of fit clearance, it is characterized in that: the coiling of described annulus (6) Φ 3.5 ~ Φ 5.5mm spring steel wire is shaped, annulus (6) leaves the opening of 5 ~ 8mm, and entirety is hardened to HRC=40 ~ 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142892.3A CN104801786A (en) | 2015-03-30 | 2015-03-30 | Outer gear ring gear shaping clamp with equally allocated fit clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142892.3A CN104801786A (en) | 2015-03-30 | 2015-03-30 | Outer gear ring gear shaping clamp with equally allocated fit clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104801786A true CN104801786A (en) | 2015-07-29 |
Family
ID=53687213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142892.3A Pending CN104801786A (en) | 2015-03-30 | 2015-03-30 | Outer gear ring gear shaping clamp with equally allocated fit clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104801786A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674280A (en) * | 1970-12-16 | 1972-07-04 | Gleason Works | Self-cleaning chuck |
| CN201841287U (en) * | 2010-10-25 | 2011-05-25 | 宜昌长机科技有限责任公司 | Automatic clamping device for disk-like gear workpiece |
| CN202336639U (en) * | 2011-12-19 | 2012-07-18 | 浙江浦江齿轮有限公司 | Self-centering gear hobbing clamp |
| CN104325200A (en) * | 2014-11-17 | 2015-02-04 | 江苏太平洋精锻科技股份有限公司 | Fixture for gear shaping on thin-wall outer gear ring |
| CN104384627A (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Tooth inserting clamp of thin wall outer toothed ring |
| CN204603483U (en) * | 2015-03-30 | 2015-09-02 | 江苏太平洋齿轮传动有限公司 | External toothing gear-shaping clamp |
-
2015
- 2015-03-30 CN CN201510142892.3A patent/CN104801786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674280A (en) * | 1970-12-16 | 1972-07-04 | Gleason Works | Self-cleaning chuck |
| CN201841287U (en) * | 2010-10-25 | 2011-05-25 | 宜昌长机科技有限责任公司 | Automatic clamping device for disk-like gear workpiece |
| CN202336639U (en) * | 2011-12-19 | 2012-07-18 | 浙江浦江齿轮有限公司 | Self-centering gear hobbing clamp |
| CN104325200A (en) * | 2014-11-17 | 2015-02-04 | 江苏太平洋精锻科技股份有限公司 | Fixture for gear shaping on thin-wall outer gear ring |
| CN104384627A (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Tooth inserting clamp of thin wall outer toothed ring |
| CN204603483U (en) * | 2015-03-30 | 2015-09-02 | 江苏太平洋齿轮传动有限公司 | External toothing gear-shaping clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554301A (en) | Machine tool fixture for machining sleeve parts | |
| CN208556034U (en) | A kind of ringfeder mandrel of thin-wall pipe | |
| CN201324954Y (en) | Combined positioning and clamping device | |
| CN202779879U (en) | Bearing ring clamp | |
| CN203281915U (en) | Clamp for long-cylinder part outer circle machining | |
| CN104819217B (en) | A kind of mechanical expansion shaft | |
| CN201755764U (en) | Turning processing jig for thin wall shaft sleeve | |
| CN103286323B (en) | Method for processing long thin-walled sleeve parts by utilizing tyre-expansion type mandrel | |
| CN203390328U (en) | Gear shaving clamp allowing rapid replacement | |
| CN204639184U (en) | Cylinder block turning centering is risen fixture | |
| CN204603482U (en) | Internal-expansion type external toothing gear-shaping clamp | |
| CN102059297B (en) | Hole extruding and expanding device for extruding and expanding inner holes at end of rear axle tube of vehicle | |
| CN204603483U (en) | External toothing gear-shaping clamp | |
| CN203901009U (en) | Quartering hydraulic chuck | |
| CN203380387U (en) | Fine turning fixture | |
| CN108481192A (en) | A kind of mill fixture and clamping method suitable for the long spacer of thin-walled | |
| CN107363600A (en) | Bevel gear excircle finish turning fixture | |
| CN104801786A (en) | Outer gear ring gear shaping clamp with equally allocated fit clearance | |
| CN103072018A (en) | Turning device for main valve body of special ball valve | |
| CN110625200A (en) | Disc gear shaping clamp | |
| CN216574984U (en) | Circular tube repairing device | |
| CN204686072U (en) | The inner support swelling fixture of ultra-thin-wall large-size cylinder body class cutting workpiece | |
| CN104384627A (en) | Tooth inserting clamp of thin wall outer toothed ring | |
| CN205592346U (en) | Bevel gear axle | |
| CN203578787U (en) | Self-centering flange frame for rear tailstock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |