CN109317766A - A kind of knife bar of gear-hobbing machine and the link structure of tail end - Google Patents
A kind of knife bar of gear-hobbing machine and the link structure of tail end Download PDFInfo
- Publication number
- CN109317766A CN109317766A CN201811471581.1A CN201811471581A CN109317766A CN 109317766 A CN109317766 A CN 109317766A CN 201811471581 A CN201811471581 A CN 201811471581A CN 109317766 A CN109317766 A CN 109317766A
- Authority
- CN
- China
- Prior art keywords
- knife bar
- reducing sleeve
- gear
- hobbing machine
- tail end
- 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
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
A kind of knife bar of gear-hobbing machine and the link structure of tail end, including knife bar, the holding device of gear hobbing machine tail end, the end of the knife bar are matched with the holding device, and the end of the knife bar includes reducing sleeve, are adapted on the outside of the reducing sleeve with holding device.The integral structure of original knife bar is improved to existing knife bar and reducing sleeve split type structure by the present invention, different knife bars has identical tip protrusion size, so all knife bars can be used cooperatively with the same reducing sleeve, the holding device for no longer needing replacing or remaking new gear hobbing machine tail end, processing and management cost when saving the following increase or more renewing cutter.The protrusion of knife bar end is cylinder, and reducing sleeve is rotary table, and when being used cooperatively, the end of new knife bar need to only be processed as cylinder, and the processing cost and machining accuracy of cylinder are better than rotary table.The protrusion of reducing sleeve and knife bar end has arc transition, is convenient to use.
Description
Technical field
The present invention relates to the link structures of the knife bar and tail end of gear-hobbing machine more particularly to a kind of gear-hobbing machine.
Background technique
Gear-hobbing machine is most widely used a kind of lathe in gear cutting machine, machinable straight-tooth, helical teeth on gear-hobbing machine
Roller gear, also processable worm gear, sprocket wheel etc..With hobboing cutter by generating processing straight-tooth, helical teeth and double helical tooth roller gear and
The gear cutting machine of worm gear.Also the various special tooth profiles such as spline and sprocket wheel are capable of processing when this lathe is using special hobboing cutter
Workpiece.The machining accuracy of general hobbing machine is 7~6 grades (JB179-83), and high precision gear hobber is 4~3 grades, maximum machining diameter
Up to 15 meters.
Current gear-hobbing machine is in processing in use, the process tool of hobbing machine carries out constantly with the variation of processed gear
Replacement, will also replace together with the matching used knife bar of process tool.Knife bar end is adapted to gear hobbing machine tail end holding device
Projection size is less than the diameter of axle at knife bar installation cutter, therefore has several different size of protrusions on a set of knife bar.Therefore gear hobbing
Machine tail end holding device will also be replaced together with knife bar, cumbersome.Gear hobbing machine tail end holding device part is more, replaces number
It is tired, it is time-consuming and laborious, and often replacement tail end holding device can make the installation accuracy of tail end holding device have an impact.One gear-hobbing machine
Need the management service higher cost equipped with the holding device more covered, when the later period uses.
Summary of the invention
To solve the problem above-mentioned, the present invention provides the link structure of a kind of knife bar of gear-hobbing machine and tail end, the structures
The tail end holding device for replacing gear-hobbing machine in more changing knife rod is not needed, a large amount of replacing construction can be saved.
Present invention employs the following technical solutions: a kind of knife bar of gear-hobbing machine and the link structure of tail end, including knife bar,
The holding device of gear hobbing machine tail end, the end of the knife bar are matched with the holding device, and the end of the knife bar includes
Reducing sleeve, the reducing sleeve outside are adapted with holding device.By the integral structure of original knife bar be improved to existing knife bar and
Reducing sleeve two parts, different knife bar ends can load onto identical reducing sleeve, it is no longer necessary to replace the top of gear hobbing machine tail end
Tight device, it is possible to reduce the later maintenance cost of tail end holding device.
Compared to above scheme, further, the reducing sleeve is connect by way of being arranged with the knife bar.It is arranged knot
Structure is simple, and the processing is simple, at low cost.
Compared to above scheme, further, the knife bar end is provided with protrusion, and the reducing sleeve set is inserted in described prominent
On rising, structure is simple.
Compared to above scheme, further, the protrusion is cylinder.Cylinder facilitates processing, and processing cost is lower.
Compared to above scheme, further, the reducing sleeve is rotary table.The taper self-locking performance of rotary table is good, positioning accuracy
Height, easy for installation, repeatedly influence of the assembly and disassembly to positioning accuracy is smaller.
Compared to above scheme, further, the hole of the reducing sleeve is through-hole.It is easy to process, it is universal good.
Compared to above scheme, further, there is arc transition at the reducing sleeve both ends.It is easy for installation.
Compared to above scheme, further, elastic device, the elastic device end are provided in the reducing sleeve inner wall
Portion is provided with ball, and the ball has part entity to expose in hole, corresponds at the position of ball and is provided in the protrusion
First slot.This structure can be fixed after reducing sleeve and knife bar assembly, make the assembly of reducing sleeve and knife bar in equipment
Outside will not separate when mobile, prevent the loss of reducing sleeve.
The present invention is that the integral structure of original knife bar is improved to existing knife bar and is turned compared to the improvement of original scheme
Female connector split type structure, different knife bars have identical tip protrusion size, thus all knife bars can with it is same
Reducing sleeve is used cooperatively, it is no longer necessary to be replaced or be remake new holding device, save the following increase or more renew cutter
When processing and management cost.The protrusion of knife bar end is cylinder, and reducing sleeve is rotary table, when being used cooperatively, the end of new knife bar
It need to be only processed as the cylinder of identical size, the processing cost and machining accuracy of cylinder are better than rotary table.Reducing sleeve and knife bar end
Protrusion have arc transition, be convenient to use.It is provided in reducing sleeve on elastic device and ball, protrusion and is provided with first
Slot no longer separates after reducing sleeve can be made to assemble with knife bar.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing knife bar.
Fig. 2 is schematic diagram when knife bar and reducing sleeve of the invention are assembled together.
Fig. 3 is schematic diagram when knife bar of the invention is separated with reducing sleeve.
Fig. 4 is the schematic diagram of reducing sleeve of the invention.
Fig. 5 is the scheme of installation of knife bar and reducing sleeve of the invention on gear-hobbing machine.
Fig. 6 is the connection schematic diagram after knife bar and reducing sleeve of the invention assemble with the tail end holding device of gear-hobbing machine.
Fig. 7 is the embodiment two of reducing sleeve of the invention.
Fig. 8 is knife bar of the present invention raised structures corresponding with reducing sleeve embodiment two.
Fig. 9 is the cross-sectional view of the embodiment one of reducing sleeve of the invention.
Figure 10 is the front view of the embodiment one of reducing sleeve of the invention.
Specific embodiment
Fig. 3 is the schematic diagram after knife bar 1 and the assembly of reducing sleeve 3.The front end of rotary table and gear-hobbing machine of the knife bar 1 on the right side of Fig. 3
Device 5 is adapted, and the repetitive positioning accuracy of taper is preferable.Knife bar 1 is mounted on fore device 5, and fills with the driving of fore device 5
Set connected, driving device rotates trigger shaft, carries out gear hobbing process to part.Inventive drive means are built-in hollow
Motor, hollow motor directly drive knife bar 1, and electric machine built-in can reduce the connecting component of motor Yu knife bar 1, reduce gear-hobbing machine
Volume and weight, have a certain upgrade to stabilization of equipment performance.Knife bar 1 is held out against corresponding to the rotary table on the left of Fig. 3 with gear hobbing machine tail end
Device 4 is connected.Holding device 4 has with knife bar 1 corresponding to the compatible hole of rotary table on the left of Fig. 3, when knife bar 1 is in fore device 5
After installing, 5 direction of end device is mobile forward for holding device 4, and knife bar 1 is tightly withstood.
Hobcutter has inner hole, and the inner hole and knife bar match corresponding to the elongated shaft on the left of Fig. 3.When installation, hobcutter is from Fig. 3
Left side is packed into knife bar along the direction of knife bar symmetry axis, so original knife bar is less than or equal to corresponding to the rotary table diameter of the left end Fig. 1
Otherwise elongated shaft diameter can not install hobcutter.Gear-hobbing machine can generally have equipped with much knives, when tool dimension deviation is larger,
Original knife bar has number of sizes corresponding to the rotary table on the left of Fig. 1, and the tail end clamping device being adapted to it also has several sets, makes
Used time needs mating replacement, and every set requires to carry out the maintenance (such as addition lubricant grease, replacement vulnerable part) in later period, cost
It is higher.
Existing knife bar is divided into knife bar 1 and reducing sleeve 3 by the present invention, and reducing sleeve 3 and knife bar 1 use inserting (3 inserting of reducing sleeve
In the protrusion of the inner hole inserting reducing sleeve 3 of knife bar 1 or knife bar 1), the modes such as screw thread be attached, and reducing sleeve 3 have it is logical
With type, can be installed and used on all knife bars 1 of this gear-hobbing machine.
The present invention is installed by the way of being inserted in 1 protrusion 2 of knife bar using 3 sets of reducing sleeve.3 sets of reducing sleeve are inserted in knife bar 1
Mode be 3 unthreaded hole of reducing sleeve be adapted to the protrusion 2 of knife bar 1.Knife bar 1 has been provided with protrusion 2, protrusion 2 corresponding to the left end of Fig. 3
Knife bar 1 can be less than for any size corresponding to the structure of the major diameter on the left of Fig. 3, be easy to process general using rotation pair
The structure of title, such as cylinder, rotary table.2 part of protrusion of the invention is designed to cylinder, and it is corresponding that the diameter of cylinder is less than or equal to knife bar 1
Long axis on the left of Fig. 3.Cylindrical structure easily facilitates processing compared with rotary table, it is ensured that machining accuracy reduces processing cost.
The different knife bar 1 of gear-hobbing machine is both provided with the cylinder of same structure size.As long as when needing to increase or renewing knife bar 1 later
The cylinder of same size is processed in one end of knife bar 1, may be mounted at reducing sleeve 3 on all knife bars 1.Reducing sleeve 3
It is provided with inner hole corresponding with protrusion 2, inner hole is adapted with protrusion 2, and inner hole and reducing sleeve 3 are coaxial.Knife is installed on gear-hobbing machine
When bar 1, as long as 3 sets of reducing sleeve are inserted in 2 part of protrusion of knife bar 1.Reducing sleeve 3 is in a circular table shape, compares cylinder, round table-like
Reducing sleeve 3 when being the cooperation of tail end clamping device, the taper self-locking performance of rotary table is good, and positioning accuracy is high, easy for installation, repeatedly fills
The influence of separation of copulating moth positioning accuracy is smaller.Because reducing sleeve 3 can be installed again after installing gear knife, reducing sleeve 3 can be big
In knife bar 1 corresponding to the long axis on the left of Fig. 2.
When being moved after together with knife bar 1 and reducing sleeve 3 are in gear-hobbing machine external mounting, knife bar 1 and reducing sleeve 3 have point
From a possibility that, when reducing sleeve is smaller, be easily lost.For knife bar 1 is not separated voluntarily after mounting with reducing sleeve 3, this hair
It is bright to provide following two schemes.
Embodiment one: the inner hole of reducing sleeve 3 is provided with internal screw thread, and the protrusion 2 of knife bar 1 is provided with external screw thread, reducing sleeve 3 with
Knife bar 1 is attached by screw thread, and the rotation direction of screw thread rotated with gear hobbing cutter it is contrary, can make reducing sleeve 3 with
Knife bar 1 the more turns the more tight when using on gear-hobbing machine.It is convenient for replacement, two, which are processed, on 3 outer circumference surface of reducing sleeve is parallel to each other
Plane, reducing sleeve can be backed out with spanner, the structure of reducing sleeve 3 is shown in Fig. 9 and Figure 10.
Embodiment two: being provided with elastic device 7 in 3 inner wall of reducing sleeve, the elastic device 7 is spring, and spring end is set
It is equipped with ball 6, the part entity of ball 6 is exposed in the inner hole of reducing sleeve 3, and protrusion 2 is corresponding to being provided with the at the position of ball 6
One slot 9.After assembly, ball is exposed at the part in inner hole can be in the first slot 9, for convenience of assembling, which is annular groove.
Specific structure part Fig. 7 and Fig. 8.
The working principle of the invention is explained below, one end of all knife bars 1 of gear-hobbing machine is provided with same size
Cylindrical protrusion 3, the structure size of the protrusion 3 is corresponding with the hole of reducing sleeve 3.Knife bar 1 is inserted in for 3 sets of reducing sleeve when use, is pushed up
Tight device 4 withstands reducing sleeve 3, and knife bar 1 is held out against.When gear-hobbing machine needs replacing cutter and knife bar, after removing holding device 4,
It only needs to remove reducing sleeve 3 from knife bar 1, then covers and be inserted on the new knife bar 1 equipped with the cutter needed replacing, be finally installed into
On gear-hobbing machine.
Claims (8)
1. a kind of knife bar of gear-hobbing machine and the link structure of tail end, including knife bar (1), the holding device (4) of gear hobbing machine tail end, institute
The end for stating knife bar (1) is matched with the holding device (4), which is characterized in that the end of the knife bar (1) includes switching
It covers (3), is adapted on the outside of the reducing sleeve (3) with holding device (4).
2. a kind of knife bar of gear-hobbing machine as described in claim 1 and the link structure of tail end, which is characterized in that the reducing sleeve
(3) it is connect by way of being arranged with the knife bar (1).
3. a kind of knife bar of gear-hobbing machine as claimed in claim 2 and the link structure of tail end, which is characterized in that the knife bar
(1) end is provided with protrusion (2), and the reducing sleeve (3) is set in the protrusion (2) of the knife bar (1).
4. a kind of knife bar of gear-hobbing machine as described in claim 1 and the link structure of tail end, which is characterized in that the reducing sleeve
It (3) is rotary table.
5. a kind of knife bar of gear-hobbing machine as claimed in claim 3 and the link structure of tail end, which is characterized in that the protrusion
It (2) is cylinder.
6. a kind of knife bar of gear-hobbing machine as described in claim 1 and the link structure of tail end, which is characterized in that the reducing sleeve
(3) hole is through-hole.
7. a kind of knife bar of gear-hobbing machine as described in claim 1 and the link structure of tail end, which is characterized in that the reducing sleeve
(3) there is arc transition at both ends.
8. a kind of knife bar of gear-hobbing machine as claimed in claim 3 and the link structure of tail end, which is characterized in that the reducing sleeve
(3) it is provided in inner wall elastic device (7), elastic device (7) end is provided with ball (6), and the ball (6) has part
Entity exposes in inner hole, is corresponded at the position of ball in the protrusion and is provided with the first slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471581.1A CN109317766A (en) | 2018-12-04 | 2018-12-04 | A kind of knife bar of gear-hobbing machine and the link structure of tail end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471581.1A CN109317766A (en) | 2018-12-04 | 2018-12-04 | A kind of knife bar of gear-hobbing machine and the link structure of tail end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109317766A true CN109317766A (en) | 2019-02-12 |
Family
ID=65256517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471581.1A Pending CN109317766A (en) | 2018-12-04 | 2018-12-04 | A kind of knife bar of gear-hobbing machine and the link structure of tail end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109317766A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1405030A (en) * | 1973-11-12 | 1975-09-03 | Machine Tool Divisional | Gear hobbing machines |
| US6325573B1 (en) * | 1998-12-28 | 2001-12-04 | Wilhelm Fette Gmbh | Arrangement of a hobbing cutter and holding arbor |
| JP2002066841A (en) * | 2000-09-01 | 2002-03-05 | Komatsu Ltd | Gear grinding tool |
| CN1994667A (en) * | 2006-01-03 | 2007-07-11 | 格里森-普法特机械制造有限公司 | Tool head for receiving and rotating a tool, which is mounted on two sides, and tool for use in such a tool head |
| CN201471012U (en) * | 2009-05-06 | 2010-05-19 | 四川德恩机械有限责任公司 | Tool holder device hanging on beam of horizontal milling machine |
| CN102059408A (en) * | 2010-12-21 | 2011-05-18 | 齐重数控装备股份有限公司 | Main shaft device for numerical controlled gear hobbing machine |
| CN202367296U (en) * | 2011-12-29 | 2012-08-08 | 重庆机床(集团)有限责任公司 | Universal cutter rest test bed for various specifications of gear-hobbing machines |
| CN202447702U (en) * | 2012-01-31 | 2012-09-26 | 孙梅云 | Connecting sleeve of tool bar of machine tool |
| CN103962595A (en) * | 2013-01-29 | 2014-08-06 | 盐城纺织职业技术学院 | Eccentric tool fine-adjustment mechanism |
| CN203972985U (en) * | 2014-06-30 | 2014-12-03 | 南京金宇刀具制造有限公司 | A kind of automatic loose broaching tool main shaft device |
| CN204035716U (en) * | 2014-07-04 | 2014-12-24 | 中国南方航空工业(集团)有限公司 | Hobcutter fixture and gear hobbing lathe |
| CN209110332U (en) * | 2018-12-04 | 2019-07-16 | 宁波德凯数控机床有限公司 | A kind of knife bar of gear-hobbing machine and the link structure of tail end |
-
2018
- 2018-12-04 CN CN201811471581.1A patent/CN109317766A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1405030A (en) * | 1973-11-12 | 1975-09-03 | Machine Tool Divisional | Gear hobbing machines |
| US6325573B1 (en) * | 1998-12-28 | 2001-12-04 | Wilhelm Fette Gmbh | Arrangement of a hobbing cutter and holding arbor |
| JP2002066841A (en) * | 2000-09-01 | 2002-03-05 | Komatsu Ltd | Gear grinding tool |
| CN1994667A (en) * | 2006-01-03 | 2007-07-11 | 格里森-普法特机械制造有限公司 | Tool head for receiving and rotating a tool, which is mounted on two sides, and tool for use in such a tool head |
| CN201471012U (en) * | 2009-05-06 | 2010-05-19 | 四川德恩机械有限责任公司 | Tool holder device hanging on beam of horizontal milling machine |
| CN102059408A (en) * | 2010-12-21 | 2011-05-18 | 齐重数控装备股份有限公司 | Main shaft device for numerical controlled gear hobbing machine |
| CN202367296U (en) * | 2011-12-29 | 2012-08-08 | 重庆机床(集团)有限责任公司 | Universal cutter rest test bed for various specifications of gear-hobbing machines |
| CN202447702U (en) * | 2012-01-31 | 2012-09-26 | 孙梅云 | Connecting sleeve of tool bar of machine tool |
| CN103962595A (en) * | 2013-01-29 | 2014-08-06 | 盐城纺织职业技术学院 | Eccentric tool fine-adjustment mechanism |
| CN203972985U (en) * | 2014-06-30 | 2014-12-03 | 南京金宇刀具制造有限公司 | A kind of automatic loose broaching tool main shaft device |
| CN204035716U (en) * | 2014-07-04 | 2014-12-24 | 中国南方航空工业(集团)有限公司 | Hobcutter fixture and gear hobbing lathe |
| CN209110332U (en) * | 2018-12-04 | 2019-07-16 | 宁波德凯数控机床有限公司 | A kind of knife bar of gear-hobbing machine and the link structure of tail end |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110587480B (en) | Workpiece clamp and knife sharpener | |
| CN209110332U (en) | A kind of knife bar of gear-hobbing machine and the link structure of tail end | |
| CN109317766A (en) | A kind of knife bar of gear-hobbing machine and the link structure of tail end | |
| CN210388199U (en) | Device for press-fitting motor oil seal | |
| US20230142403A1 (en) | Systems And Methods For Inserting And Removing Bushing Assemblies | |
| US20110308021A1 (en) | Pipe Deburrer with Replaceable Tool Head | |
| CN210789261U (en) | Tail frame of machine tool | |
| CN210475115U (en) | Section bar chuck for stretch bender | |
| CN110451310B (en) | Die cutting feeding machine and feeding device thereof | |
| CA3128996A1 (en) | Systems and methods for inserting and removing bushing assemblies | |
| CN219211509U (en) | Lithium electric hand riveter | |
| CN219673229U (en) | Gear shaft assembly with high-strength accurate input | |
| CN113231987B (en) | Portable positioning pin dismounting device and using method thereof | |
| CN117685304B (en) | Universal transmission shaft connecting device convenient to dismantle and replace | |
| CN220615939U (en) | Automobile lower pull rod with limiting mechanism | |
| CN104959942A (en) | Nut dismounting and mounting tool | |
| CN213005431U (en) | Sniper rifle bolt assembling and disassembling tool | |
| CN216372046U (en) | Multifunctional electric tool | |
| CN219359362U (en) | Bush extracting tool | |
| DE202014007414U1 (en) | Drill with maintenance-friendly storage | |
| CN216000303U (en) | Efficient electric nut gun head with long service life | |
| CN220073294U (en) | Ceramic head center convenient to replace and fix | |
| CN218313232U (en) | Tightening tool | |
| CN212044418U (en) | Tool for adjusting valve clearance | |
| CN218964640U (en) | Automatic nut screwing device for shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |