CN106694975A - Milling head of worm whirlwind cutting machine - Google Patents
Milling head of worm whirlwind cutting machine Download PDFInfo
- Publication number
- CN106694975A CN106694975A CN201710173866.6A CN201710173866A CN106694975A CN 106694975 A CN106694975 A CN 106694975A CN 201710173866 A CN201710173866 A CN 201710173866A CN 106694975 A CN106694975 A CN 106694975A
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- China
- Prior art keywords
- bearing
- sleeve
- shaft core
- milling head
- spacer
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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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
- B23C9/005—Details or accessories so far as specially adapted to milling machines or cutter milling heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a milling head of a worm whirlwind cutting machine. The milling head comprises a sleeve, a front flange, a rear flange, a central spindle, a tool and a synchronous pulley. The front flange and the rear flange are fixedly connected to the two ends of the sleeve correspondingly. The central spindle penetrates in the sleeve in the axial direction. The two ends of the central spindle stretch out of the sleeve. The tool is fixedly arranged at the front end of the central spindle. The synchronous pulley is fixedly arranged at the rear end of the central spindle. A large diameter portion and a small diameter portion are formed on the inner wall of the sleeve. Sleeve steps are formed between the large diameter portion and the small diameter portion. The central spindle is fixedly sleeved with a front bearing assembly and a rear bearing assembly in sequence from front to back. The rear end of the front bearing assembly abuts against the sleeve steps in the axial direction. The wall of the sleeve is provided with an oil inlet and an oil outlet. A front oil seal in seal fit with the central spindle is embedded to the inner wall of the front flange, and a rear oil seal in seal fit with the central spindle is embedded to the inner wall of the rear flange. The milling head is simple and reasonable in structure, easy to assemble, stable and reliable in working performance and long in service life.
Description
Technical field
The present invention relates to worm screw technical field of processing equipment, more particularly to a kind of worm cyclone cutter milling head.
Background technology
Worm-drive is a kind of important mechanical drive mode, and worm screw therein is the critical component in its structure, mesh
The preceding processing to worm screw mainly has the modes such as milling, rolling, and milling mode is precision processing technology higher, typically by worm screw
Whirling machine is completed.Existing worm cyclone cutter milling head causes service life extremely short due to design defect,
It is general there was only shake when Tool in Cutting just occurs for 6 months or so, cause worm tooth-surface chatter mark and dimension overproof occur, it is impossible to really
Protect worm screw milling quality, it is necessary to change milling head and just can ensure that product quality.
The content of the invention
Defect and deficiency it is an object of the invention to be directed to prior art, there is provided a kind of worm cyclone cutter milling
Head, its is simple and reasonable, it is easy to assemble, and stable and reliable working performance, service life is more long.
To achieve the above object, the present invention uses following technical scheme.
A kind of worm cyclone cutter milling head, including sleeve, forward flange, rear flange, shaft core, cutter and synchronous pulley,
The forward flange, the rear flange are respectively fixedly connected with the two ends of the sleeve, and the shaft core is arranged in the set vertically
In cylinder, the two ends of the shaft core stretch out in the outside of the sleeve, and the cutter is fixedly installed on the front end of the shaft core, described
Synchronous pulley is fixedly installed on the rear end of the shaft core；The inwall of the sleeve is formed with large-diameter portion and minor diameter part, the big footpath
Sleeve step is formed between portion and the minor diameter part, fixation is arranged with fore bearing group successively from front to back for the outside of the shaft core
Part and rear bearing assembly, the rear end of the front axle bearing assembly axially offset with the sleeve step；On the wall of the sleeve respectively
Oil inlet and oil-out are provided with, the inwall of the forward flange is embedded with the Front oil seal coordinated with shaft core sealing, the rear method
Blue inwall is embedded with the Rear oil seal coordinated with shaft core sealing.
Further, the front axle bearing assembly include from front to back the first fore bearing in the shaft core of string successively,
Second fore bearing and the 3rd fore bearing, the front end of first fore bearing be provided with first before spacer, the outer wall of the shaft core sets
Be equipped with described first before spacer front end axial limiting the first shaft core step, second fore bearing and the 3rd front axle
Fore bearing spacer sleeve is provided between holding, rear end and the sleeve step of the 3rd fore bearing axially offset, the described 3rd
The rear end of fore bearing be additionally provided with second before spacer, the outer wall of the shaft core be provided with described second before spacer rear end axial direction
The first spacing stop nut.
Further, the outside of spacer is provided with lock nut before described first.
Further, the fore bearing spacer sleeve includes the fore bearing inner spacing collar and fore bearing outer separator of mutually socket.
Further, the fore bearing spacer sleeve is corresponding with the position of the oil inlet.
Further, the fore bearing inner spacing collar and the fore bearing outer separator be equipped with it is corresponding with the oil inlet before
Oil-through hole.
Further, the rear bearing assembly include from front to back after first of string successively in the shaft core bearing and
Bearing after second, the front end of bearing is provided with rear spacer after described first, and the outer wall of the shaft core is provided with and the rear spacer
Front end axial limiting the second shaft core step, between after bearing and described second being provided with rear bearing between bearing after described first
Spacer, the outside of the shaft core be provided with described second after bearing rear end axial limiting the second stop nut.
Further, the rear end of bearing axially offsets with the rear flange after described second.
Further, the rear bearing spacer sleeve includes the rear bearing inner spacing collar and rear bearing outer separator of mutually socket.
Further, the rear bearing inner spacing collar and the rear bearing outer separator be equipped with it is corresponding with the oil-out after
Oil-through hole.
Beneficial effects of the present invention are：The worm cyclone cutter milling head that the present invention is provided, by by the inwall of sleeve
Only it is set to two kinds of different inner hole structures of large-diameter portion and minor diameter part so that tube-in-tube structure is simple, it is easy to process, and can protect
Card sleeve axiality；The outside of shaft core is arranged front axle bearing assembly and rear bearing assembly respectively so as to the support effect of shaft core compared with
It is good, it is ensured that stability when shaft core is rotated；Sleeve step is formed between large-diameter portion and minor diameter part, effectively front axle bearing assembly is entered
Row axial limiting, assembles more convenient, is conducive to improving assembly precision；It is respectively provided with oil inlet and goes out by the wall of sleeve
Hydraulic fluid port, during present invention work, can from oil inlet to being filled with lubricating oil in sleeve, using lubricating oil to shaft core, front axle bearing assembly and
Bearing assembly is lubricated afterwards, and lubricating oil flows out through oil-out again, so as to reduce abrasion during present invention work, can be effective
Increase the service life, it is ensured that job stability of the present invention and reliability.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
In Fig. 1：1st, sleeve；11st, large-diameter portion；12nd, minor diameter part；13rd, sleeve step；14th, oil inlet；15th, oil-out；2nd, it is preceding
Flange；21st, Front oil seal；3rd, rear flange；31st, Rear oil seal；4th, shaft core；41st, the first shaft core step；42nd, the second shaft core step；5th, knife
Tool；6th, synchronous pulley；71st, the first fore bearing；72nd, the second fore bearing；73rd, the 3rd fore bearing；74th, spacer before first；75th, second
Preceding spacer；76th, the first stop nut；77th, lock nut；78th, fore bearing inner spacing collar；79th, fore bearing outer separator；80th, it is preceding excessively oily
Hole；81st, bearing after first；82nd, bearing after second；83rd, rear spacer；84th, the second stop nut；85th, rear bearing inner spacing collar；86、
Bearing outer separator afterwards；87th, rear oil-through hole.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
A kind of worm cyclone cutter milling head as shown in Figure 1, including sleeve 1, forward flange 2, rear flange 3, shaft core 4,
Cutter 5 and synchronous pulley 6, forward flange 2, rear flange 3 are respectively fixedly connected with the two ends of sleeve 1, and shaft core 4 is arranged in set vertically
In cylinder 1, the two ends of shaft core 4 stretch out in the outside of sleeve 1, and cutter 5 is fixedly installed on the front end of shaft core 4, and synchronous pulley 6 is fixed and set
The rear end of shaft core 4 is placed in, synchronous pulley 6 is connected with cutting machine main shaft, same with band cutter 5 for driving shaft core 4 to rotate
Step is rotated, and carries out milling processing.
The inwall of sleeve 1 is formed with large-diameter portion 11 and minor diameter part 12, i.e. large-diameter portion 11 it is straight with diameter greater than minor diameter part 12
Footpath, is formed with sleeve step 13 between large-diameter portion 11 and minor diameter part 12, the outside of shaft core 4 is fixed before being arranged with successively from front to back
Bearing assembly and rear bearing assembly, rear end and the sleeve step 13 of front axle bearing assembly axially offset.
In the present embodiment, front axle bearing assembly includes from front to back first fore bearing 71, second of the string in shaft core 4 successively
The fore bearing 73 of fore bearing 72 and the 3rd, the front end of the first fore bearing 71 be provided with first before spacer 74, the outer wall of shaft core 4 is provided with
With first before spacer 74 front end axial limiting the first shaft core step 41, set between the second fore bearing 72 and the 3rd fore bearing 73
Fore bearing spacer sleeve is equipped with, rear end and the sleeve step 13 of the 3rd fore bearing 73 axially offset, and the rear end of the 3rd fore bearing 73 is also
Spacer 75 before being provided with second, the outer wall of shaft core 4 be provided with second before spacer 75 rear end axial limiting the first spacing spiral shell
Female 76.In order to be fastened to spacer 74 before first, to improve the assembling stability of front axle bearing assembly, spacer 74 is outer before first
Portion is provided with lock nut 77.
Bearing assembly includes from front to back after first of string successively in the shaft core 4 bearing 82 after bearing 81 and second afterwards,
The front end of bearing 81 is provided with rear spacer 83 after first, and the outer wall of shaft core 4 is provided with and the front end axial limiting of rear spacer 83
Second shaft core step 42, is provided with rear bearing spacer sleeve between bearing 82 after bearing 81 and second after first, the outside of shaft core 4 sets
Be equipped with second after bearing 82 rear end axial limiting the second stop nut 84, in order to further improve assembly precision, assembling
When, the rear end of bearing 82 axially offsets with rear flange 3 after second.
Oil inlet 14 and oil-out 15 are respectively equipped with the wall of sleeve 1, the inwall of forward flange 2 is embedded with and is sealed with shaft core 4
The Front oil seal 21 of cooperation, the inwall of rear flange 3 is embedded with the Rear oil seal 31 coordinated with the sealing of shaft core 4.In the present embodiment, fore bearing
Spacer sleeve includes the fore bearing inner spacing collar 78 and fore bearing outer separator 79 of mutually socket, specifically, fore bearing spacer sleeve and oil-feed
The position of mouth 14 is corresponding, and in order to ensure the smooth circulation of lubricating oil, fore bearing inner spacing collar 78 is all provided with fore bearing outer separator 79
There is preceding oil-through hole 80 corresponding with oil inlet 14.In the present embodiment, rear bearing spacer sleeve include mutually socket rear bearing in every
Set 85 and rear bearing outer separator 86, in order to ensure the smooth circulation of lubricating oil, rear bearing inner spacing collar 85 and rear bearing outer separator 86
It is equipped with rear oil-through hole 87 corresponding with oil-out 15.
The worm cyclone cutter milling head that the present invention is provided, the He of large-diameter portion 11 is only set to by by the inwall of sleeve 1
12 two kinds of different inner hole structures of minor diameter part so that the simple structure of sleeve 1, it is easy to process, and ensure that sleeve 1 is coaxial
Degree；The outside of shaft core 4 is arranged front axle bearing assembly and rear bearing assembly respectively so that the support effect to shaft core 4 is preferable, it is ensured that
Stability when shaft core 4 is rotated.
Sleeve step 13 is formed between large-diameter portion 11 and minor diameter part 12, axial limiting effectively is carried out to front axle bearing assembly, filled
With more convenient, be conducive to improving assembly precision, specifically, during assembling, first preheat sleeve 1, make the endoporus of sleeve 1 because of temperature
Rise and swell, the pre- front axle bearing assembly in shaft core 4 and rear bearing assembly are then inserted into sleeve 1 together with shaft core 4
It is interior, until the rear end of front axle bearing assembly axially offsets with sleeve step 13, lock nut 77 is then recycled by front axle bearing assembly
Locking, finally loads the remainders such as forward flange 2, rear flange 3, cutter 5 and synchronous pulley 6.
By being respectively provided with oil inlet 14 and oil-out 15 on the wall of sleeve 1, during present invention work, can be by oil inlet 14
To lubricating oil is filled with sleeve 1, shaft core 4, front axle bearing assembly and rear bearing assembly are lubricated using lubricating oil, lubricating oil is again
Flowed out through oil-out 15, so as to reduce abrasion during present invention work, can effectively increased the service life, it is ensured that the present invention
Job stability and reliability.
The above is only better embodiment of the invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (10)
1. a kind of worm cyclone cutter milling head, it is characterised in that：Including sleeve, forward flange, rear flange, shaft core, cutter and
Synchronous pulley, the forward flange, the rear flange are respectively fixedly connected with the two ends of the sleeve, and the shaft core wears vertically
In in the sleeve, the two ends of the shaft core stretch out in the outside of the sleeve, and the cutter is fixedly installed on the shaft core
Front end, the synchronous pulley is fixedly installed on the rear end of the shaft core；The inwall of the sleeve is formed with large-diameter portion and minor diameter part,
Sleeve step is formed between the large-diameter portion and the minor diameter part, fixation is arranged with successively from front to back for the outside of the shaft core
Front axle bearing assembly and rear bearing assembly, the rear end of the front axle bearing assembly axially offset with the sleeve step；The sleeve
Oil inlet and oil-out are respectively equipped with wall, the inwall of the forward flange is embedded with the Front oil seal coordinated with shaft core sealing,
The inwall of the rear flange is embedded with the Rear oil seal coordinated with shaft core sealing.
2. worm cyclone cutter milling head according to claim 1, it is characterised in that：The front axle bearing assembly include from
A-P goes here and there the first fore bearing in the shaft core, the second fore bearing and the 3rd fore bearing, first fore bearing successively
Front end be provided with first before spacer, the outer wall of the shaft core be provided with described first before spacer front end axial limiting
One shaft core step, is provided with fore bearing spacer sleeve, the 3rd front axle between second fore bearing and the 3rd fore bearing
The rear end held axially offsets with the sleeve step, the rear end of the 3rd fore bearing be additionally provided with second before spacer, the axle
The outer wall of core be provided with described second before spacer rear end axial limiting the first stop nut.
3. worm cyclone cutter milling head according to claim 2, it is characterised in that：The outside of spacer before described first
It is provided with lock nut.
4. worm cyclone cutter milling head according to claim 2, it is characterised in that：The fore bearing spacer sleeve includes
The fore bearing inner spacing collar and fore bearing outer separator being mutually socketed.
5. worm cyclone cutter milling head according to claim 4, it is characterised in that：The fore bearing spacer sleeve and institute
The position for stating oil inlet is corresponding.
6. the worm cyclone cutter milling head according to claim 4 or 5, it is characterised in that：The fore bearing inner spacing collar
Preceding oil-through hole corresponding with the oil inlet is equipped with the fore bearing outer separator.
7. worm cyclone cutter milling head according to claim 1, it is characterised in that：The rear bearing assembly include from
A-P go here and there successively in the shaft core first after bearing after bearing and second, the front end of bearing is provided with after described first
Spacer afterwards, the outer wall of the shaft core is provided with the second shaft core step with the front end axial limiting of the rear spacer, described first
Be provided with rear bearing spacer sleeve after bearing and described second between bearing afterwards, the outside of the shaft core be provided with described second after
Second stop nut of the rear end axial limiting of bearing.
8. worm cyclone cutter milling head according to claim 7, it is characterised in that：The rear end of bearing after described second
Axially offseted with the rear flange.
9. worm cyclone cutter milling head according to claim 7, it is characterised in that：The rear bearing spacer sleeve includes
The rear bearing inner spacing collar and rear bearing outer separator being mutually socketed.
10. worm cyclone cutter milling head according to claim 9, it is characterised in that：The rear bearing inner spacing collar and
The rear bearing outer separator is equipped with rear oil-through hole corresponding with the oil-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173866.6A CN106694975A (en) | 2017-03-22 | 2017-03-22 | Milling head of worm whirlwind cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173866.6A CN106694975A (en) | 2017-03-22 | 2017-03-22 | Milling head of worm whirlwind cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106694975A true CN106694975A (en) | 2017-05-24 |
Family
ID=58887298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173866.6A Pending CN106694975A (en) | 2017-03-22 | 2017-03-22 | Milling head of worm whirlwind cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694975A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159954A (en) * | 2017-06-21 | 2017-09-15 | 浙江亿洋智能装备科技股份有限公司 | A kind of accurate cyclone milling head mechanism and its waterproof method |
| CN111618319A (en) * | 2020-06-09 | 2020-09-04 | 中山市宇洋数控机械有限公司 | Main shaft structure of precision machining center |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7690873B2 (en) * | 2003-03-31 | 2010-04-06 | Nsk Ltd. | Main shaft device and machine tool with the same |
| CN102059357A (en) * | 2010-11-30 | 2011-05-18 | 无锡机床股份有限公司 | High-accuracy sleeve main shaft structure for machine tool |
| CN102248186A (en) * | 2011-07-12 | 2011-11-23 | 浙江江南数控机床有限公司 | Main shaft for machining center machine |
| CN203664691U (en) * | 2014-01-21 | 2014-06-25 | 台州市路桥区精达轴承厂 | Turning lathe spindle |
| CN104148678A (en) * | 2014-08-08 | 2014-11-19 | 无锡机床股份有限公司 | Main shaft structure for vehicle head |
| CN206779558U (en) * | 2017-03-22 | 2017-12-22 | 宁波精益飞达轴业有限公司 | A kind of worm cyclone cutter milling head |
-
2017
- 2017-03-22 CN CN201710173866.6A patent/CN106694975A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7690873B2 (en) * | 2003-03-31 | 2010-04-06 | Nsk Ltd. | Main shaft device and machine tool with the same |
| CN102059357A (en) * | 2010-11-30 | 2011-05-18 | 无锡机床股份有限公司 | High-accuracy sleeve main shaft structure for machine tool |
| CN102248186A (en) * | 2011-07-12 | 2011-11-23 | 浙江江南数控机床有限公司 | Main shaft for machining center machine |
| CN203664691U (en) * | 2014-01-21 | 2014-06-25 | 台州市路桥区精达轴承厂 | Turning lathe spindle |
| CN104148678A (en) * | 2014-08-08 | 2014-11-19 | 无锡机床股份有限公司 | Main shaft structure for vehicle head |
| CN206779558U (en) * | 2017-03-22 | 2017-12-22 | 宁波精益飞达轴业有限公司 | A kind of worm cyclone cutter milling head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159954A (en) * | 2017-06-21 | 2017-09-15 | 浙江亿洋智能装备科技股份有限公司 | A kind of accurate cyclone milling head mechanism and its waterproof method |
| CN107159954B (en) * | 2017-06-21 | 2023-04-18 | 浙江亿洋智能装备科技股份有限公司 | Precise cyclone milling head mechanism and waterproof method thereof |
| CN111618319A (en) * | 2020-06-09 | 2020-09-04 | 中山市宇洋数控机械有限公司 | Main shaft structure of precision machining center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |