CN204234749U - A kind of ultra-thin main spindle box of both-end machining tool - Google Patents
A kind of ultra-thin main spindle box of both-end machining tool Download PDFInfo
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- CN204234749U CN204234749U CN201420696444.9U CN201420696444U CN204234749U CN 204234749 U CN204234749 U CN 204234749U CN 201420696444 U CN201420696444 U CN 201420696444U CN 204234749 U CN204234749 U CN 204234749U
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- main spindle
- spindle box
- box body
- bearing
- collet
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- 238000003754 machining Methods 0.000 title claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
A ultra-thin main spindle box for both-end machining tool, wherein: right main spindle box body (1) and left main spindle box body (10) are connected to one by spacer (9); Right bearing (3), left bearing (12) is furnished with respectively in right main spindle box body (1), left main spindle box body (10) inner chamber; Two bearings inner ring coordinates with axle sleeve (4), establishes pushing sleeve (5) in axle sleeve (4), is provided with containing ER collet (6) in pushing sleeve (5); Belt wheel (8) is provided with between right main spindle box body (1) and left main spindle box body (10); Butterfly spring group (7) is arranged on pushing sleeve (5); Elastic force to be acted on by butterfly spring group (7) and to go up containing ER collet (6) and to make pushing sleeve (5) and form relatively-stationary matching relationship closely containing between ER collet (6) by pushing sleeve (5).The utility model volume is little, Working position precision is high, rotating speed is high, applied widely, there is expected comparatively huge economic worth and social value.
Description
Technical field
The utility model relates to machine tool component field of structural design, specifically provides a kind of ultra-thin main spindle box of both-end machining tool.
Background technology
In prior art, the main spindle box that Digit Control Machine Tool is conventional is larger, normally hydraulic clamp, and rotating speed is low, can not process special comparatively stub material by both-end simultaneously, can not meet the automation requirement of processing.Ultra-thin main spindle box is a kind of mode of processing for the rotor clamping of micro-motor rotor industry.
People expect to obtain the better ultra-thin main spindle box of a kind of technique effect.
Utility model content
The purpose of this utility model is to provide the ultra-thin main spindle box of a kind of technique effect better both-end machining tool.
The utility model provides a kind of ultra-thin main spindle box of both-end machining tool, it is characterized in that: the ultra-thin main spindle box of described both-end machining tool is constructed as follows: right main spindle box body 1, right pressure ring 2, right bearing 3, axle sleeve 4, pushing sleeve 5, containing ER collet 6, butterfly spring group 7, belt wheel 8, spacer 9, left main spindle box body 10, left pressure ring 11, left bearing 12, apical ring 13, workpiece 14; Wherein:
Spacer 9 right main spindle box body 1 and left main spindle box body 10 are connected to one form whole device obtain most external structure;
The right bearing 3 coordinated with it is furnished with in the inner chamber of right main spindle box body 1; Corresponding with aforementioned structure, left bearing 12 is arranged in the inner chamber forming with it the left main spindle box body 10 coordinating contact; Left bearing 12 and the inner ring both right bearing 3 all contact with axle sleeve 4 formation matching relationship, and axle sleeve 4 cavity arrangements has the pushing sleeve 5 contacted with it, pushing sleeve 5 cavity arrangements have contact with it containing ER collet 6; Pushing sleeve 5, with containing ER collet 6, axial positioning structure is provided therebetween; For the penetralia being arranged in whole device containing ER collet 6 of clamping workpiece 14;
Another: the right pressure ring 2 for axial limiting is arranged in right main spindle box body 1 and being connected of right bearing 3 locates the end of axial lateral surface, meanwhile, another left pressure ring 11 for axial limiting is arranged in left main spindle box body 11 and being connected of left bearing 12 locates the end of axial lateral surface; Right pressure ring 2, both left pressure rings 11 are all connected to one with axle sleeve 4;
(referring to the inner ring end face that the two is close to each other and nearest inside so-called outer ring) inside the outer ring of right bearing 3 and left bearing 12 holds out against all respectively on right main spindle box body 1 and left main spindle box body 10; Right main spindle box body 1 and left main spindle box body 10 are furnished with belt wheel 8 therebetween; Belt wheel 8 is also between right bearing 3 and left bearing 12 and it holds out against the inner ring of right bearing 3 and left bearing 12 simultaneously;
In axle sleeve 4 inner chamber, butterfly spring group 7 is arranged on pushing sleeve 5; Elastic force to be acted on containing ER collet 6 makes pushing sleeve 5 and forms relatively-stationary matching relationship closely containing between ER collet 6 by butterfly spring group 7 by pushing sleeve 5.
The ultra-thin main spindle box of described both-end machining tool, is characterized in that: belt wheel 8 is specially the curved tooth belt wheel adopting curved tooth type belt, and can not throw switch speed.
The apical ring 13 for unloading workpiece 14 is also provided with in the ultra-thin main spindle box of described both-end machining tool; It is arranged on workpiece 14.
In the utility model, left bearing 12 is installed in left main spindle box body 10 inside, then connects axle sleeve 4, axle sleeve 4 is installed belt wheel 8, use spacer 9 to put together on left main spindle box body 10, left main spindle box body 10 inside is also provided with the right main spindle box body 1 of right bearing 3, puts together on spacer 9.Install the pushing sleeve 5 being placed with butterfly spring group 7 in axle sleeve 4 and contain ER collet 6, there is left pressure ring 11 main spindle box body both sides, right pressure ring 2 is located.
Advantage of the present utility model:
1, volume is little: the utility model is that clamping device is installed in main shaft inside, and reduce machine tool chief axis casing overall dimensions, clamping short workpieces, installation site is convenient, reduces lathe entirety and takes up an area size, reduce costs.
2, Working position precision is high: because main shaft of the present utility model adopts both-end clamping axle head, clamped one time completes workpiece both ends of the surface, cylindrical, interior hole machined, ensures the positional precision that workpiece is good, thus raises the efficiency.
3, rotating speed is high: the utility model due to main axle structure little, assembly precision is high, and main shaft bearing is little, so the speed of mainshaft is high, meet small part processing high rotation speed requirements.
4, applied widely: to be applicable to micro-motor, automobile gearbox worm shaft, waits thin minor axis two ends to process.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is the ultra-thin headstock structure simplified schematic diagram of both-end machining tool.
Detailed description of the invention
Embodiment 1
A ultra-thin main spindle box for both-end machining tool, it is constructed as follows: right main spindle box body 1, right pressure ring 2, right bearing 3, axle sleeve 4, pushing sleeve 5, containing ER collet 6, butterfly spring group 7, belt wheel 8, spacer 9, left main spindle box body 10, left pressure ring 11, left bearing 12, apical ring 13, workpiece 14; Wherein:
Spacer 9 right main spindle box body 1 and left main spindle box body 10 are connected to one form whole device obtain most external structure;
The right bearing 3 coordinated with it is furnished with in the inner chamber of right main spindle box body 1; Corresponding with aforementioned structure, left bearing 12 is arranged in the inner chamber forming with it the left main spindle box body 10 coordinating contact; Left bearing 12 and the inner ring both right bearing 3 all contact with axle sleeve 4 formation matching relationship, and axle sleeve 4 cavity arrangements has the pushing sleeve 5 contacted with it, pushing sleeve 5 cavity arrangements have contact with it containing ER collet 6; Pushing sleeve 5, with containing ER collet 6, axial positioning structure is provided therebetween; For the penetralia being arranged in whole device containing ER collet 6 of clamping workpiece 14;
Another: the right pressure ring 2 for axial limiting is arranged in right main spindle box body 1 and being connected of right bearing 3 locates the end of axial lateral surface, meanwhile, another left pressure ring 11 for axial limiting is arranged in left main spindle box body 11 and being connected of left bearing 12 locates the end of axial lateral surface; Right pressure ring 2, both left pressure rings 11 are all connected to one with axle sleeve 4;
(referring to the inner ring end face that the two is close to each other and nearest inside so-called outer ring) inside the outer ring of right bearing 3 and left bearing 12 holds out against all respectively on right main spindle box body 1 and left main spindle box body 10; Right main spindle box body 1 and left main spindle box body 10 are furnished with belt wheel 8 therebetween; Belt wheel 8 is also between right bearing 3 and left bearing 12 and it holds out against the inner ring of right bearing 3 and left bearing 12 simultaneously;
In axle sleeve 4 inner chamber, butterfly spring group 7 is arranged on pushing sleeve 5; Elastic force to be acted on containing ER collet 6 makes pushing sleeve 5 and forms relatively-stationary matching relationship closely containing between ER collet 6 by butterfly spring group 7 by pushing sleeve 5.
Described belt wheel 8 is specially the curved tooth belt wheel adopting curved tooth type belt, and can not throw switch speed.
The apical ring 13 for unloading workpiece 14 is also provided with in the ultra-thin main spindle box of described both-end machining tool; It is arranged on workpiece 14.
In the present embodiment, left bearing 12 is installed in left main spindle box body 10 inside, then connects axle sleeve 4, axle sleeve 4 is installed belt wheel 8, use spacer 9 to put together on left main spindle box body 10, left main spindle box body 10 inside is also provided with the right main spindle box body 1 of right bearing 3, puts together on spacer 9.Install the pushing sleeve 5 being placed with butterfly spring group 7 in axle sleeve 4 and contain ER collet 6, there is left pressure ring 11 main spindle box body both sides, right pressure ring 2 is located.
The advantage of the present embodiment:
1, volume is little: the present embodiment is that clamping device is installed in main shaft inside, and reduce machine tool chief axis casing overall dimensions, clamping short workpieces, installation site is convenient, reduces lathe entirety and takes up an area size, reduce costs.
2, Working position precision is high: the main shaft due to the present embodiment adopts both-end clamping axle head, and clamped one time completes workpiece both ends of the surface, cylindrical, interior hole machined, ensures the positional precision that workpiece is good, thus raises the efficiency.
3, rotating speed is high: the present embodiment due to main axle structure little, assembly precision is high, and main shaft bearing is little, so the speed of mainshaft is high, meet small part processing high rotation speed requirements.
4, applied widely: to be applicable to micro-motor, automobile gearbox worm shaft, waits thin minor axis two ends to process.
The one-off process of the present embodiment is described below in conjunction with accompanying drawing:
First the present embodiment is fixed lathe.Promoting pushing sleeve 5 by apical ring 13 makes ER collet 6 unclamp, and install workpiece 14, apical ring 13 returns original position, the tight pushing sleeve of butterfly spring group 7 bullet 5 stressed clamping ER collet 6, clamping work pieces 14, belt wheel 8 rotates, drive axle sleeve 5 to rotate, thus workpiece 14 rotate, and carries out both-end processing simultaneously.
Claims (2)
1. a ultra-thin main spindle box for both-end machining tool, is characterized in that: the ultra-thin main spindle box of described both-end machining tool is constructed as follows: right main spindle box body (1), right pressure ring (2), right bearing (3), axle sleeve (4), pushing sleeve (5), containing ER collet (6), butterfly spring group (7), belt wheel (8), spacer (9), left main spindle box body (10), left pressure ring (11), left bearing (12); Wherein:
Spacer (9) right main spindle box body (1) and left main spindle box body (10) are connected to one form whole device obtain most external structure;
The right bearing (3) coordinated with it is furnished with in the inner chamber of right main spindle box body (1); Corresponding with aforementioned structure, left bearing (12) is arranged in the inner chamber forming with it the left main spindle box body (10) coordinating contact; The two inner ring of left bearing (12) and right bearing (3) all contacts with axle sleeve (4) formation matching relationship, axle sleeve (4) cavity arrangements has the pushing sleeve (5) contacted with it, pushing sleeve (5) cavity arrangements have contact with it containing ER collet (6); Pushing sleeve (5), with containing ER collet (6), axial positioning structure is provided therebetween;
Another: the right pressure ring (2) for axial limiting is arranged in right main spindle box body (1) and being connected of right bearing (3) locates the end of axial lateral surface, meanwhile, another left pressure ring (11) for axial limiting is arranged in left main spindle box body (11) and being connected of left bearing (12) locates the end of axial lateral surface; Both right pressure ring (2), left pressure ring (11) are all connected to one with axle sleeve (4);
Hold out against inside the outer ring of right bearing (3) and left bearing (12) all respectively on right main spindle box body (1) and left main spindle box body (10); Right main spindle box body (1) and left main spindle box body (10) are furnished with belt wheel (8) therebetween; Belt wheel (8) is also between right bearing (3) and left bearing (12) and it holds out against the inner ring of right bearing (3) and left bearing (12) simultaneously;
In axle sleeve (4) inner chamber, butterfly spring group (7) is arranged on pushing sleeve (5); Elastic force to be acted on by butterfly spring group (7) and to go up containing ER collet (6) and to make pushing sleeve (5) and form relatively-stationary matching relationship closely containing between ER collet (6) by pushing sleeve (5).
2. according to the ultra-thin main spindle box of both-end machining tool described in claim 1, it is characterized in that: belt wheel (8) is specially the curved tooth belt wheel adopting curved tooth type belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696444.9U CN204234749U (en) | 2014-11-19 | 2014-11-19 | A kind of ultra-thin main spindle box of both-end machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696444.9U CN204234749U (en) | 2014-11-19 | 2014-11-19 | A kind of ultra-thin main spindle box of both-end machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN204234749U true CN204234749U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420696444.9U Active CN204234749U (en) | 2014-11-19 | 2014-11-19 | A kind of ultra-thin main spindle box of both-end machining tool |
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| CN (1) | CN204234749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685160A (en) * | 2017-08-29 | 2018-02-13 | 宁夏长兴精密机械有限公司 | Both-end lathe for machining |
| CN107716950A (en) * | 2017-09-29 | 2018-02-23 | 沈阳盛京精益数控机械有限公司 | A kind of ultra-thin main spindle box |
| CN109530729A (en) * | 2018-11-26 | 2019-03-29 | 西安增材制造国家研究院有限公司 | A kind of numerically controlled lathe clamping workpiece device and midway drive digital-control two-head lathe vehicle tool |
-
2014
- 2014-11-19 CN CN201420696444.9U patent/CN204234749U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685160A (en) * | 2017-08-29 | 2018-02-13 | 宁夏长兴精密机械有限公司 | Both-end lathe for machining |
| CN107716950A (en) * | 2017-09-29 | 2018-02-23 | 沈阳盛京精益数控机械有限公司 | A kind of ultra-thin main spindle box |
| CN109530729A (en) * | 2018-11-26 | 2019-03-29 | 西安增材制造国家研究院有限公司 | A kind of numerically controlled lathe clamping workpiece device and midway drive digital-control two-head lathe vehicle tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181107 Address after: 110141 No. 4 Workshop of China Machine Tool City, No. 32-1 Hongrun Road, Yuhong District, Shenyang City, Liaoning Province Patentee after: Shenyang Sheng Xing CNC Machinery Co., Ltd. Address before: 110015 No. 7-1 East Style Road, Dongling District, Shenyang City, Liaoning Province Patentee before: SJY Machinery Corporation Ltd. |
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| TR01 | Transfer of patent right |