CN103894683A - Hobbing clamp for machining shaft gear - Google Patents
Hobbing clamp for machining shaft gear Download PDFInfo
- Publication number
- CN103894683A CN103894683A CN201410075558.6A CN201410075558A CN103894683A CN 103894683 A CN103894683 A CN 103894683A CN 201410075558 A CN201410075558 A CN 201410075558A CN 103894683 A CN103894683 A CN 103894683A
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- gear
- base
- spring housing
- hobbing
- adapter sleeve
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Abstract
The invention relates to a hobbing clamp for machining a shaft gear. The hobbing clamp comprises a blank body, a spring sleeve, a tip, a base, a nut, a second connecting sleeve, a connecting screw rod and a screw. The second connecting sleeve is connected to a gear hobbing machine through the connecting screw rod. The nut is connected with the second connecting sleeve through the screw which penetrates through the base. The nut is connected to the spring sleeve in a thread-sleeved mode. The base is arranged on the outer side of the second connecting sleeve in a sleeved mode. The tip and the base are connected in a Morse-taper mode. The tip is fixed on the base. The blank body is fixedly connected to the base. The blank body is connected to the spring sleeve in a sleeved mode. The contacting face between the blank body and the spring sleeve is a cone face. The tip and the base are connected in the Morse-taper mode, the tip is fixed on the base, and the locating accuracy of a workpiece is guaranteed. Meanwhile, through the hobbing clamp, under the situation that the tip is kept still, the workpiece can be effectively clamped smoothly. Accordingly, the problem that currently, accurate locating cannot be achieved, rigidity is not sufficient, and the workpiece cannot be clamped easily is well solved.
Description
Technical field
The present invention relates to a kind of gear-hobbing clamp, relate in particular to a kind of gear-hobbing clamp for machining shaft gear, it can accurately be located and can effectively add clamping of workpieces.
Background technology
In Gear Processing process, especially, in the process of shaft gear, workpiece need to be fixed on gear-hobbing machine, need can be by piece-holder to the gear-hobbing clamp on gear-hobbing machine for this reason.As shown in Figure 1, existing gear-hobbing clamp comprises locating cover (1), mold body (2), spring housing (3), top (4), cylindroid helical-coil compression spring (5), plug screw (6), adapter sleeve (7), T-shaped screw rod (8), fluting flush end trip bolt (9) and hexagon socket cap head screw (10).Wherein, locating cover (1) is fixed on mold body (2) by hexagon socket cap head screw (10), mold body (2) is connected to spring housing (3) by fluting flush end trip bolt (9), adapter sleeve (7) is connected to gear-hobbing machine by T-shaped screw rod (8), adapter sleeve (7) thread bush is connected on the outside of spring housing (3), top (4) are positioned at spring housing (3), and cylindroid helical-coil compression spring (5) is positioned between top (4) and plug screw (6).This gear-hobbing clamp makes top (4) withstand workpiece by the elasticity of cylindroid helical-coil compression spring (5), thereby realizes stepping up of workpiece.
But in this existing gear-hobbing clamp, top (4) are unfixing, between itself and spring housing (3), can be free to slide.Between spring housing (3) and top (4), just there is certain gap so.Due to this gap, top (4) cannot be consistent for a long time with the centre of gyration of gear-hobbing machine, also just make the repetitive positioning accuracy of workpiece poor.In addition, when gear-hobbing machine drives T-shaped screw rod (8), adapter sleeve (7), plug screw (6), spring (5), when top (4) and spring housing (3) move right, because the contact-making surface between spring housing (3) and mold body (2) is the conical surface, the inner conical surface Compress Spring cover (3) of mold body (2), workpiece is clamped by spring housing (3), but workpiece can not move right under the stopping of locating cover (1), this just makes between top (4) and workpiece gapped, so top (4) just can not continue to play the effect of support and stable workpiece in process.Due to the reason such as vibrations and impact in process, the workpiece after processing adds up, beating to become large, and unstable, and this has affected the quality of workpiece greatly.In addition, be elasticity activity because top, cannot meet axial location, so must there be individual locating cover, just require the locating surface of workpiece necessary vertical with the axis of workpiece and locating cover is set, thereby increased processing technology and the difficulty thereof of workpiece, also reduced the qualification rate of workpiece simultaneously.
Therefore, at present in the urgent need to a kind of positioning precision that can ensure workpiece, clamping work pieces stably again, thus can also meet the rigidity that adds man-hour and require to increase the gear-hobbing clamp of efficiency.
Summary of the invention
The present invention is intended to solve the problem that workpiece positioning precision during the shaft gear process of current existence is poor, can not stably add clamping of workpieces.
For this reason, the invention provides a kind of gear-hobbing clamp for machining shaft gear, its for by piece-holder to be processed to gear-hobbing machine, comprise mold body, spring housing, top, base, nut, adapter sleeve two, connecting screw rod and screw, adapter sleeve two is connected on gear-hobbing machine by connecting screw rod, nut is connected on adapter sleeve two by the screw through base, and nut thread bush is connected on spring housing, base sheath is in the outside of adapter sleeve two, between top and base, adopt Morse's taper to be connected, and top being fixed on base, mold body is fixedly attached on base, mold body is socketed on spring housing and the contact-making surface of mold body and spring housing is the conical surface.
Described gear-hobbing clamp further comprises adapter sleeve one, and adapter sleeve one is socketed on screw.
Described gear-hobbing clamp further comprises anti-bits lid, and anti-bits lid is fixed on mold body by interior hexagonal cone end trip bolt.
Further, wherein said mold body is fixedly attached on base by hexagon socket cap head screw.
Further, wherein, described base further coordinates to prevent that by the U-shaped trench gap on interior hexagonal cylindrical end trip bolt and spring housing spring housing from going out automatically.
Again further, wherein, described connecting screw rod is T-shaped connecting screw rod.
In the present invention, top and base adopt Morse's taper to be connected, and top being fixed on base, and this makes toply can keep highly consistent with the centre of gyration of gear-hobbing machine, has also just ensured that workpiece repeats the positioning precision of processing.Meanwhile, the structure that spring housing, base, nut, adapter sleeve one and adapter sleeve two form makes in the situation that top maintenance is motionless, can be smoothly clamping work pieces effectively.Thereby make the accurate location and the Workpiece clamping problem that exist at present all obtain good solution.
Brief description of the drawings
Fig. 1 is the gear-hobbing clamp for machining shaft gear of prior art.
Fig. 2 is according to the gear-hobbing clamp for machining shaft gear of the present invention.
Detailed description of the invention
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
In gear hobbing processing, especially, between the gear hobbing processing period of shaft gear, workpiece stably need to be fixed on gear-hobbing machine, so that realize gear hobbing processing.In order to keep the precision of Gear Processing, precision location and the clamping of workpiece are very important.In order to realize the accurate location of workpiece on gear-hobbing machine and good clamping, the invention provides a kind of gear-hobbing clamp for shaft gear processing.
As shown in Figure 2, it shows a kind of gear-hobbing clamp for machining shaft gear, this gear-hobbing clamp for by piece-holder to be processed to gear-hobbing machine, it comprises that anti-bits lid (1), mold body (2), spring housing (3), top (4), base (5), nut (6), adapter sleeve one (7), adapter sleeve two (8), T-shaped connecting screw rod (9), screw (10), interior hexagonal cylindrical end trip bolt (11), hexagon socket cap head screw (12) and interior hexagonal cone hold trip bolt (13).Wherein, adapter sleeve two (8) is connected on the hydraulic cylinder of gear-hobbing machine by T-shaped connecting screw rod (9), thereby is moved downward or upward and driven clamp or loosen workpiece by hydraulic cylinder.Base (5) is linked on gear hobbing machine worktable by screw, and the workbench of gear-hobbing machine rotates the rotation that drives whole gear-hobbing clamp, and then drives the rotation of workpiece, thereby realizes gear hobbing processing.It is upper that nut (6) is connected to adapter sleeve two (8) by the screw through base (5) (10), and nut (6) thread bush is connected on spring housing (3).Adapter sleeve one (7) is socketed on screw (10); protect screw (10) by adapter sleeve one (7), thereby spring housing (3), nut (6), adapter sleeve two (8) and screw (10) can be moved back and forth swimmingly.Base (5) is enclosed within the outside of adapter sleeve two (8), between top (4) and base (5), adopts Morse's taper to be connected, and top (4) are fixed on base (5); Meanwhile, base (5) further coordinates to prevent that by the U-shaped trench gap on interior hexagonal cylindrical end trip bolt (11) and spring housing (3) spring housing from going out automatically.It is upper that mold body (2) is fixedly attached to base (5) by hexagon socket cap head screw (12), and it is the conical surface that mold body (2) is socketed in the contact-making surface of spring housing (3) above and between mold body (2) and spring housing (3).
In addition, in the present invention, fix due to top, so can realize the good location of workpiece, therefore in the present invention not at needs locating cover, but an anti-bits lid (1) is set, it is upper that this anti-bits lid (1) is fixed on mold body (2) by interior hexagonal cone end trip bolt (13), to prevent that iron filings from entering the use that affects fixture in fixture.
Use this gear-hobbing clamp by piece-holder on gear-hobbing machine time, first adjust gear-hobbing clamp, make top unanimously with the centre of gyration of gear-hobbing machine, and then adjustment spring housing, is also consistent its centre of gyration with the centre of gyration of gear-hobbing machine.Then insert workpiece, fixing when top upper when workpiece is put into, workpiece completes location in the axial direction, fixes, so can ensure to repeat the positioning precision of processing due to top.T-shaped connecting screw rod is connected to gear-hobbing machine
on hydraulic cylindergear-hobbing machine drives T-shaped connecting screw rod to move right, T-shaped connecting screw rod 9 drives adapter sleeve two to slide to the right by the T-shaped groove in adapter sleeve two, adapter sleeve two moves nut by screw belt and moves right, because nut and spring housing are threaded connection, so moving right, nut drive spring housing to slide to the right.In the time that spring housing slides to the right, because the contact-making surface between mold body and spring housing is the conical surface, so spring housing is subject to being fixed on the squeezing action of the inner conical surface of the mold body on base, spring housing inwardly tightens up, thus clamping work pieces.Workpiece, under the acting in conjunction of top and spring housing, completes hi-Fix axially and radially.
Same principle, in the time that gear-hobbing machine drives T-shaped connecting screw rod to left movement, T-shaped connecting screw rod drives adapter sleeve two to left movement, and adapter sleeve two drives nut to left movement, and nut drives spring housing to slide left.In the time that spring housing slides left, because the contact-making surface between spring housing and mold body is the conical surface, make spring housing departing from after External Force Acting, by the elastic returning former state of self, thereby loosen workpiece.
The content of detailed description of the invention is understood for the ease of those skilled in the art and is used the present invention and describing, and does not form the restriction of the present invention being protected to content.Those skilled in the art, after having read content of the present invention, can carry out suitable amendment to the present invention.Protection content of the present invention is as the criterion with the content of claim.In the case of the flesh and blood and protection domain that do not depart from claim, various amendments, change and replacement etc. that the present invention is carried out are all within protection scope of the present invention.
Claims (6)
1. the gear-hobbing clamp for machining shaft gear, its for by piece-holder to be processed to gear-hobbing machine, comprise mold body (2), spring housing (3), top (4), base (5), nut (6), adapter sleeve two (8), connecting screw rod (9) and screw (10), adapter sleeve two (8) is connected on gear-hobbing machine by connecting screw rod (9), nut (6) is connected on adapter sleeve two (8) by the screw through base (5) (10), and nut (6) thread bush is connected on spring housing (3), base (5) is enclosed within the outside of adapter sleeve two (8), between top (4) and base (5), adopt Morse's taper to be connected, and top (4) are fixed on base (5), mold body (2) is fixedly attached on base (5), it is the conical surface that mold body (2) is socketed in the contact-making surface of spring housing (3) above and between mold body (2) and spring housing (3).
2. gear-hobbing clamp as claimed in claim 1, wherein, further comprise adapter sleeve one (7), and adapter sleeve one (7) is socketed on screw (10).
3. gear-hobbing clamp as claimed in claim 2, wherein, further comprise anti-bits lid (1), and it is upper that anti-bits lid (1) is fixed on mold body (2) by interior hexagonal cone end trip bolt (13), thereby to prevent that iron filings from entering fixture and affecting the use of fixture.
4. gear-hobbing clamp as claimed in claim 3, wherein, mold body (2) is fixedly attached on base (5) by hexagon socket cap head screw (12).
5. gear-hobbing clamp as claimed in claim 4, wherein, base (5) further coordinates by the U-shaped trench gap on interior hexagonal cylindrical end trip bolt (11) and spring housing (3), restraining spring cover (3) circular motion, thus prevent that spring housing (3) from use screwing out automatically.
6. gear-hobbing clamp as claimed in claim 1, wherein, described connecting screw rod (9) is T-shaped connecting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075558.6A CN103894683A (en) | 2014-03-04 | 2014-03-04 | Hobbing clamp for machining shaft gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075558.6A CN103894683A (en) | 2014-03-04 | 2014-03-04 | Hobbing clamp for machining shaft gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103894683A true CN103894683A (en) | 2014-07-02 |
Family
ID=50986430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410075558.6A Pending CN103894683A (en) | 2014-03-04 | 2014-03-04 | Hobbing clamp for machining shaft gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103894683A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047951A (en) * | 2018-10-15 | 2018-12-21 | 安徽明雁齿轮有限公司 | One kind being used for high-precision tooth shaft external splines gear hobbing process fixture |
| CN112170984A (en) * | 2020-09-23 | 2021-01-05 | 重庆蓝黛传动机械有限公司 | Hobbing clamp of intermediate shaft |
| CN112276257A (en) * | 2020-10-29 | 2021-01-29 | 温岭市明华齿轮有限公司 | A anchor clamps frock for gear machining |
| CN114227331A (en) * | 2021-12-15 | 2022-03-25 | 广州市锐美汽车零部件有限公司 | Axle finish machining anchor clamps and axle machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862869U (en) * | 2010-11-19 | 2011-06-15 | 株洲齿轮有限责任公司 | Gear hobbing clamp |
| CN201913329U (en) * | 2011-01-05 | 2011-08-03 | 无锡威孚中意齿轮有限责任公司 | Hydraulic tool of gear hobbing machine |
| CN103350261A (en) * | 2013-06-14 | 2013-10-16 | 浙江万达汽车方向机有限公司 | Gear hobbing clamp oriented by flat position of gear and installation and debugging method |
| CN203292620U (en) * | 2013-06-25 | 2013-11-20 | 中国重汽集团大同齿轮有限公司 | Quick-changing slotting clamp |
| CN204018885U (en) * | 2014-03-04 | 2014-12-17 | 秦宗正 | A kind of gear-hobbing clamp for machining shaft gear |
-
2014
- 2014-03-04 CN CN201410075558.6A patent/CN103894683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862869U (en) * | 2010-11-19 | 2011-06-15 | 株洲齿轮有限责任公司 | Gear hobbing clamp |
| CN201913329U (en) * | 2011-01-05 | 2011-08-03 | 无锡威孚中意齿轮有限责任公司 | Hydraulic tool of gear hobbing machine |
| CN103350261A (en) * | 2013-06-14 | 2013-10-16 | 浙江万达汽车方向机有限公司 | Gear hobbing clamp oriented by flat position of gear and installation and debugging method |
| CN203292620U (en) * | 2013-06-25 | 2013-11-20 | 中国重汽集团大同齿轮有限公司 | Quick-changing slotting clamp |
| CN204018885U (en) * | 2014-03-04 | 2014-12-17 | 秦宗正 | A kind of gear-hobbing clamp for machining shaft gear |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047951A (en) * | 2018-10-15 | 2018-12-21 | 安徽明雁齿轮有限公司 | One kind being used for high-precision tooth shaft external splines gear hobbing process fixture |
| CN112170984A (en) * | 2020-09-23 | 2021-01-05 | 重庆蓝黛传动机械有限公司 | Hobbing clamp of intermediate shaft |
| CN112276257A (en) * | 2020-10-29 | 2021-01-29 | 温岭市明华齿轮有限公司 | A anchor clamps frock for gear machining |
| CN114227331A (en) * | 2021-12-15 | 2022-03-25 | 广州市锐美汽车零部件有限公司 | Axle finish machining anchor clamps and axle machine tool |
| CN114227331B (en) * | 2021-12-15 | 2024-03-15 | 广州市锐美汽车零部件有限公司 | Shaft finish machining fixture and shaft machining machine tool |
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Application publication date: 20140702 |
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| RJ01 | Rejection of invention patent application after publication |