CN207043472U - Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism - Google Patents
Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism Download PDFInfo
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- CN207043472U CN207043472U CN201721004005.7U CN201721004005U CN207043472U CN 207043472 U CN207043472 U CN 207043472U CN 201721004005 U CN201721004005 U CN 201721004005U CN 207043472 U CN207043472 U CN 207043472U
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Abstract
The utility model is chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism, including：The casing of chain digital control gear hobbing machine, the main shaft for forming central through hole is rotatably installed in casing, spindle jacket is provided with bearing, the periphery of bearing is abutted on cabinet wall, push rod is socketed with the central through hole of main shaft, push rod tenses cutter, the side of casing is also equipped with cutter-removing mechanism, cutter-removing mechanism includes oil cylinder, oil cylinder includes cylinder body and piston, cylinder body, which is located at piston peripheral location, is installed with oil cylinder cover, casing is cylindrical close to the shaping of the side of oil cylinder, piston is in shaft-like, and piston also forms the back-up ring of a ring-type positioned at the opening position close to the side of push rod, the axial line of piston aligns with the axial line of push rod, oil cylinder seat is additionally provided with the outside of piston.It is cheap that the utility model is not only simple in structure cost, suitable for various chain digital control gear hobbing machines.
Description
Technical field：
It the utility model is related to chain digital control gear hobbing machine field, more particularly to chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism.
Background technology：
Chain digital control gear hobbing machine needed when different parts are processed change cutter, but due to cutter be by push rod with
And tension is kept in the presence of main shaft, therefore cutter is changed with regard to cumbersome.
Existing Chinese patent ZL201621188088.5 provides a kind of cutter-removing mechanism, but the mechanism structure is complicated, into
This is also higher, and tool changing still can influence the service life of the axial workpieces such as bearing.
Utility model content：
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, technical scheme is used by its solution technical problem of the utility model：Chain digital control gear hobbing machine hobboing cutter main shaft pine
Cutter mechanism, including：The casing of chain digital control gear hobbing machine, is rotatably provided with the main shaft for forming central through hole in casing, outside main shaft
Bearing is arranged with, the periphery of bearing is abutted on cabinet wall, and push rod is socketed with the central through hole of main shaft, and push rod tenses knife
Tool, the side of casing are also equipped with cutter-removing mechanism, and cutter-removing mechanism includes oil cylinder, and oil cylinder includes cylinder body and piston, and cylinder body is positioned at work
Oil cylinder cover is installed with plug peripheral location, and casing is cylindrical close to the shaping of the side of oil cylinder, and piston is in shaft-like, and piston
The back-up ring of a ring-type, the axial line of piston and the axial line pair of push rod are also formed positioned at the opening position close to the side of push rod
Together, oil cylinder seat is additionally provided with the outside of piston, oil cylinder seat includes cylindrical circular side wall, and side wall is consolidated close to the end face of oil cylinder cover side
It is scheduled on oil cylinder cover, side wall also forms capping close to the end face of the side of main shaft, also forms in capping and extends towards main shaft
The opening in bottleneck shape, back-up ring is mobilizable to be arranged in side wall, and the end of piston is stretched out from opening, is open towards main shaft
A side end face outer rim also form snap ring, main shaft also forms snap fit, the shape of snap fit towards the end outer rim of opening side
Mutually agree with snap ring.
Preferably, snap fit does not contact with snap ring.
Preferably, the gap of snap fit and snap ring is 0.5mm~2mm.
Preferably, also including stage clip, the outer rim that the side wall of oil cylinder cover is extended in the capping of oil cylinder seat forms baffle ring, oil cylinder
The outer rim of the capping of seat is abutted on the madial wall of casing, and casing is bent inwardly to type as folding close to a side end face of oil cylinder cover
Side, one end of stage clip are fixedly mounted on the shaping of capping in baffle ring and towards on the end face of the side of oil cylinder cover, stage clip it is another
End is fixed on the flanging of casing.
Preferably, also forming fixture block in casing, the end face of bearing contacts with fixture block.
Preferably, also form ring-type limited block on the inwall at the middle part of main shaft, push rod is divided into larger diameter end and small straight
Footpath end, the larger diameter end of push rod are located at opening position of the push rod close to oil cylinder seat, and the end face of the larger diameter end of push rod and ring-type are spacing
Disk spring is also installed between the end face of block.
The beneficial effects of the utility model are：
The utility model pulls down cutter by the setting of snap fit, snap ring and oil cylinder seat, oil cylinder cover becomes very simple
It is single, only need first to shut down during use, hydraulic coupling promotes piston to withstand in oil cylinder seat interior edge main shaft axial direction horizontal movement after oil-feed
Bar, by the power that the stage clip between oil cylinder seat and casing is provided is less than the power that disk spring is provided, so oil cylinder seat and oil
Cylinder cap is moved to remote major axes orientation makes snap fit and snap ring contact and tense, and oil cylinder seat no longer moves, and now piston promotes top
Bar moves right, and completes loose knife, while loose knife acts progress, due to remaining contact between snap fit and the end face of snap ring
And there is contact, therefore the bearing in loose knife on main shaft does not stress, this feature has weight to the life-span for extending shafting componentses
Big meaning.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
In figure：Casing 1；Main shaft 2；Bearing 21；Push rod 3；Oil cylinder cover 4；Oil cylinder seat 5；Piston 6；Back-up ring 61；Stage clip 8；Snap ring
9；Snap fit 10；Fixture block 11；Ring-type limited block 12；Disk spring 13.
Embodiment：
Embodiment 1：Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism as shown in Figure 1, including：The casing 1 of chain digital control gear hobbing machine,
The main shaft 2 for forming central through hole is rotatably installed in casing 1, bearing 21, the periphery of bearing 21 are arranged with outside main shaft 2
Abut on the inwall of casing 1, push rod 3 is socketed with the central through hole of main shaft 2, push rod 3 tenses cutter, and the side of casing 1 is also pacified
Equipped with cutter-removing mechanism, cutter-removing mechanism includes oil cylinder, and oil cylinder includes cylinder body and piston 6, and cylinder body, which is located at the peripheral location of piston 6, to be fixed
Oil cylinder cover 4 is installed, casing 1 is cylindrical close to the shaping of the side of oil cylinder, and piston 6 is in shaft-like, and piston 6 is located at close to push rod
The opening position of 3 side also forms the back-up ring 61 of a ring-type, and the axial line of piston 6 aligns with the axial line of push rod 3, piston
6 outsides are additionally provided with oil cylinder seat 5, and oil cylinder seat 5 includes cylindrical circular side wall, and side wall is fixed close to the end face of the side of oil cylinder cover 4
On oil cylinder cover 4, side wall also forms capping close to the end face of the side of main shaft 2, also forms in capping and extends towards main shaft 2
The opening in bottleneck shape, back-up ring 61 is mobilizable to be arranged in side wall, and the end of piston 6 is stretched out from opening, be open direction
One side end face outer rim of main shaft 2 also forms snap ring 9, and main shaft 2 also forms snap fit 10 towards the end outer rim of opening side, card
The shape for hooking 10 is agreed with the phase of snap ring 9.
Snap fit 10 does not contact with snap ring 9.
The gap of snap fit 10 and snap ring 9 is 0.5mm~2mm.
Also include stage clip 8, the outer rim that the side wall of oil cylinder cover 5 is extended in the capping of oil cylinder seat 5 forms baffle ring, oil cylinder seat 5
The outer rim of capping is abutted on the madial wall of casing 1, and it is flanging that casing 1 is bent inwardly to type close to a side end face of oil cylinder cover 4,
One end of stage clip 8 is fixedly mounted on the shaping of capping in baffle ring and towards on the end face of the side of oil cylinder cover 4, stage clip 8 it is another
End is fixed on the flanging of casing 1.
Fixture block 11 is also formed in casing 1, the end face of bearing 21 contacts with fixture block 11.
Also forming ring-type limited block 12 on the inwall at the middle part of main shaft 2, push rod 3 divides for larger diameter end and smaller diameter end,
The larger diameter end of push rod 3 is located at opening position of the push rod 3 close to oil cylinder seat 5, end face and the ring-type limited block of the larger diameter end of push rod 3
Disk spring 13 is also installed between 12 end face.
The utility model is by snap fit 9, snap ring 10 and oil cylinder seat 5, cutter is pulled down in the setting of oil cylinder cover 4 becomes ten
It is point simple, only need first to shut down during use, after oil-feed hydraulic coupling promote piston 6 in 5 interior edge main shaft of oil cylinder seat, 2 axial horizontal movement simultaneously
Push rod 3 is withstood, by the power that the stage clip 8 between oil cylinder seat 5 and casing 1 is provided is less than the power that disk spring 13 is provided, institute
Being moved to the left with oil cylinder seat 5 and oil cylinder cover 4 makes snap fit 10 and snap ring 9 contact and tense, and oil cylinder seat 5 is no longer moved to the left, this
When piston 6 promote push rod 3 move right, complete loose knife, loose knife act carry out while, due to the end of snap fit 10 and snap ring 9
Contact is remained between face and there is contact, therefore the bearing 21 in loose knife on main shaft 2 does not stress, this feature is to prolonging
The life-span of long axis system part is of great importance.
Preferred embodiment of the present utility model is the foregoing is only, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of work, it should all belong to the scope of the utility model protection.
Claims (6)
1. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism, including：The casing of chain digital control gear hobbing machine, rotatably install in the casing
There is the main shaft for forming central through hole, the spindle jacket is provided with bearing, and the periphery of the bearing is abutted on cabinet wall,
Push rod is socketed with the central through hole of the main shaft, the push rod tenses cutter, it is characterised in that：Also pacify the side of the casing
Equipped with cutter-removing mechanism, the cutter-removing mechanism includes oil cylinder, and the oil cylinder includes cylinder body and piston, and the cylinder body is located at around piston
Opening position is installed with oil cylinder cover, and the casing is cylindrical close to the shaping of the side of oil cylinder, and the piston is in shaft-like and living
The opening position that plug is located at close to the side of push rod also forms the back-up ring of a ring-type, the axial line of the piston and the axle of push rod
Heart line aligns, and is additionally provided with oil cylinder seat on the outside of the piston, the oil cylinder seat includes cylindrical circular side wall, and the side wall is close
The end face of oil cylinder cover side is fixed on oil cylinder cover, and the side wall also forms capping close to the end face of the side of main shaft, described
The opening in bottleneck shape towards main shaft extension is also formed in capping, the back-up ring is mobilizable to be arranged in side wall, described
The end of piston is stretched out from opening, and the opening also forms snap ring, the main shaft court towards a side end face outer rim of main shaft
Snap fit is also formed to the end outer rim of opening side, the shape of the snap fit is mutually agreed with snap ring.
2. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism according to claim 1, it is characterised in that：The snap fit and snap ring
Do not contact.
3. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism according to claim 2, it is characterised in that：The snap fit and snap ring
Gap be 0.5mm~2mm.
4. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism according to claim 1, it is characterised in that：Also include stage clip, institute
The outer rim for the side wall that oil cylinder cover is extended in the capping for stating oil cylinder seat forms baffle ring, and the outer rim of the capping of the oil cylinder seat abuts in case
On the madial wall of body, it is flanging that the casing is bent inwardly to type close to a side end face of oil cylinder cover, and one end of the stage clip is consolidated
Dingan County mounted in capping shaping in baffle ring and towards on the end face of the side of oil cylinder cover, the other end of the stage clip is fixed on casing
Flanging on.
5. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism according to claim 1, it is characterised in that：In the casing also into
Type has fixture block, and the end face of the bearing contacts with fixture block.
6. chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism according to claim 5, it is characterised in that：The middle part of the main shaft
Inwall on also form ring-type limited block, the push rod is divided into larger diameter end and smaller diameter end, the larger diameter end of the push rod
Opening position positioned at push rod close to oil cylinder seat, it is also solid between the end face of the larger diameter end of the push rod and the end face of ring-type limited block
Dingan County is equipped with disk spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004005.7U CN207043472U (en) | 2017-08-11 | 2017-08-11 | Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004005.7U CN207043472U (en) | 2017-08-11 | 2017-08-11 | Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207043472U true CN207043472U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004005.7U Active CN207043472U (en) | 2017-08-11 | 2017-08-11 | Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322105A (en) * | 2017-08-11 | 2017-11-07 | 浙江振兴阿祥集团有限公司 | Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism |
-
2017
- 2017-08-11 CN CN201721004005.7U patent/CN207043472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322105A (en) * | 2017-08-11 | 2017-11-07 | 浙江振兴阿祥集团有限公司 | Chain digital control gear hobbing machine hobboing cutter main shaft knife loosening mechanism |
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