CN104148679A - Main shaft of numerical control machine tool - Google Patents
Main shaft of numerical control machine tool Download PDFInfo
- Publication number
- CN104148679A CN104148679A CN201410398114.6A CN201410398114A CN104148679A CN 104148679 A CN104148679 A CN 104148679A CN 201410398114 A CN201410398114 A CN 201410398114A CN 104148679 A CN104148679 A CN 104148679A
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- CN
- China
- Prior art keywords
- hollow
- hollow arbor
- numerical control
- main shaft
- machine tool
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15553—Tensioning devices or tool holders, e.g. grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention provides a main shaft of a numerical control machine tool. A hollow machine shaft is arranged in and stretches out of a shell, the front end of the hollow machine shaft is provided with a knife handle inserting opening, an elastic pull claw is arranged in the knife handle inserting opening, a pull rod is arranged in the hollow machine shaft, a reset spring is arranged between the pull rod and the hollow machine shaft , the hollow machine shaft is connected with a rotating driving device, the rear end of the hollow machine shaft is provided with an end plate, the rear portion of the pull rod in the hollow machine shaft is provided with a radial pin rod stretching out of the hollow machine shaft, the hollow machine shaft is sleeved with an annular hydraulic cylinder for loosening or clamping a knife and abutting against the radial pin rod, and the end plate at the rear end of the hollow machine shaft is provided with a cylindrical circular grating rotary encoder with a shaft. According to the main shaft of the numerical control machine tool, the hydraulic cylinder for loosening or clamping the knife is an annular hydraulic cylinder body and is arranged outside the hollow machine shaft in a sleeved mode, the rear end of the hollow machine shaft is provided with the end plate, and the end plate at the rear end of the hollow machine shaft can be provided with the cylindrical circular grating rotary encoder with the shaft. Compared with a main shaft of a numerical control machine tool for which a shaftless circular-ring-shaped circular grating rotary encoder arranged on the hollow machine shaft in a sleeved mode is adopted, the main shaft of the numerical control machine tool is lower in cost.
Description
Technical field
The present invention relates to pine, the folder cutter oil cylinder of a kind of main shaft of numerical control machine tool, particularly a kind of main shaft of numerical control machine tool.
Background technology
The CNC Machine Tools such as CNC milling machine, chain digital control gear hobbing machine and machining center have machine tool chief axis, and main shaft of numerical control machine tool is used for installing the cutter taking out from tool magazine.There is conical handle of a knife one end of cutter, has the Latin with plush copper on handle of a knife.Main shaft of numerical control machine tool has housing, in housing, there is rear end to stretch out the tubular hollow arbor of heavy wall of housing, the front end of hollow arbor has the conical handle of a knife socket matching with the conical handle of a knife of cutter, handle of a knife socket communicates with the hollow hole of hollow arbor, main shaft of numerical control machine tool has pine, folder cutter arrangement, pine, folder cutter arrangement has in the conical handle of a knife socket of hollow arbor front end, the elasticity pulling claw matching with the Latin on cutter handle of a knife, in hollow arbor hollow, there is pull bar, between pull bar and hollow arbor, there is the back-moving spring that makes pull bar be subject to backward directions power, the rear end of main shaft of numerical control machine tool housing is connected with pine, folder cutter hydraulic cylinder, pine, the piston rod of folder cutter hydraulic cylinder is against the rear end of pull bar, hollow arbor is connected with rotating driving device.
The rotating driving device that the rotating driving device being connected with hollow arbor has built-in electric motor directly to drive, the rotating driving device that also has separation motor indirectly to drive.In two kinds of rotating driving devices, former structure is compact, can be zero the contraction in length of main shaft of numerical control machine tool driving-chain, but complex structure, cost are higher, and this main shaft of numerical control machine tool is called " direct-drive main shaft ", is commonly called as " electric main shaft "; The latter has mechanical drive train, although simple in structure, cost is lower, take up room larger.At present, most main shaft of numerical control machine tool are " electric main shafts ".
On main shaft of numerical control machine tool when mounting cutter, the conical handle of a knife of cutter is inserted in the conical handle of a knife socket of hollow arbor front end, plush copper Latin on handle of a knife backs down the elasticity pulling claw in conical handle of a knife socket and inserts in the claw of elasticity pulling claw, plush copper on handle of a knife is clamped in elasticity pulling claw by elasticity pulling claw, realizes Cutting tool installation manner on main shaft of numerical control machine tool.
When main shaft of numerical control machine tool unloads bottom tool, with pine, the hollow interior pull bar of the hollow arbor of folder cutter Hydraulic Cylinder, allow elastic force that pull bar overcomes back-moving spring to front slide, the plush copper that the front end of pull bar promotes on cutter handle of a knife travels forward, plush copper on cutter handle of a knife is released in elasticity pulling claw, cutter can unload from main shaft of numerical control machine tool, and then loose, folder cutter hydraulic cylinder is cancelled the hollow interior pull bar of promotion main shaft of numerical control machine tool, and pull bar moves and resets backward under the effect of back-moving spring.
In order to realize numerical control degree, on the hollow arbor of above-mentioned main shaft of numerical control machine tool, need to install round raster rotary coder.Circle raster rotary coder has shaftless annular circle raster rotary coder and has the cylindrical round raster rotary coder of axle, and the round raster rotary coder of annular manufacture difficulty compared with cylindrical round raster rotary coder is large, and price is higher.
In prior art, pull bar in the hollow arbor of main shaft of numerical control machine tool is to expose from the rear end of hollow arbor, pine, the folder cutter hydraulic cylinder of main shaft of numerical control machine tool are on the housing of main shaft of numerical control machine tool, and the piston of pine, folder cutter hydraulic cylinder is against the back end of tie rod that exposes hollow arbor.
This main shaft of numerical control machine tool round raster rotary coder used can only be justified raster rotary coder with the shaftless annular that can be enclosed within on hollow arbor, can not be with supporting the cylindrical round raster rotary coder that has axle that is connected in hollow arbor one end.Cause the cost of above-mentioned main shaft of numerical control machine tool higher.
Summary of the invention
The object of the invention is in order to overcome above-mentioned deficiency, propose a kind of can be with the main shaft of numerical control machine tool of the cylindrical round raster rotary coder that has axle that can be against hollow arbor one end
The present invention is achieved using the following method.
Main shaft of numerical control machine tool has housing, before having in housing, the tubular hollow arbor of heavy wall of housing is stretched out in rear end, the front end of hollow arbor has conical handle of a knife socket, handle of a knife socket communicates with the hollow hole of hollow arbor, main shaft of numerical control machine tool has pine, folder cutter arrangement, pine, folder cutter arrangement has the elasticity pulling claw in the handle of a knife socket of hollow arbor front end, in hollow arbor hollow, there is pull bar, between pull bar and hollow arbor, there is the back-moving spring that makes pull bar be subject to backward directions power, the rear end of main shaft of numerical control machine tool housing is connected with pine, folder cutter hydraulic cylinder, hollow arbor is connected with rotating driving device, round raster rotary coder is installed on hollow arbor,
There is end plate the rear end of hollow arbor, there is the radially pin rod that stretches out hollow arbor at the rear portion of hollow arbor draw-in bar, pine, folder cutter hydraulic cylinder have the annular hydraulic cylinder being enclosed within outside hollow arbor, in annular hydraulic cylinder, have and be enclosed within that hollow arbor is outer, the annular piston after pin rod radially, before annular piston and between the rear end of housing, there is the return spring that makes annular piston be subject to backward directions power, the cylindrical round raster rotary coder of axle is installed on the end plate of hollow arbor rear end.
The conical handle of a knife socket of the hollow arbor front end of the present invention is the conical handle of a knife socket matching with the conical handle of a knife of cutter for same; Elasticity pulling claw in handle of a knife socket is the elasticity pulling claw matching with the Latin on the handle of a knife of cutter for same.
Mounting cutter and unload bottom tool in the present invention, with main shaft mounting cutter in the prior art with to unload the operation of bottom tool identical.
There is end plate the rear end of the hollow arbor of the present invention, there is the radially pin rod that stretches out hollow arbor at the rear portion of hollow arbor draw-in bar, pine, folder cutter hydraulic cylinder have the annular hydraulic cylinder being enclosed within outside hollow arbor, have to be enclosed within that hollow arbor is outer, the annular piston after pin rod radially in annular hydraulic cylinder.Expose from annular hydraulic cylinder the rear end of hollow arbor, and the cylindrical round raster rotary coder of axle can be installed on the end plate of hollow arbor rear end.The main shaft of numerical control machine tool that is enclosed within the shaftless annular circle raster rotary coder on hollow arbor with employing is compared, and cost of the present invention is lower.
Below in conjunction with accompanying drawing, the present invention is further described.
Brief description of the drawings
Fig. 1 is according to the main cross-sectional schematic of a kind of main shaft of numerical control machine tool of scheme of the invention proposition of the present invention;
Fig. 2 is Cutting tool installation manner on main shaft of numerical control machine tool time, the I place enlarged diagram of Fig. 1;
Fig. 3 is cutter when main shaft of numerical control machine tool unloads, the I place enlarged diagram of Fig. 1.
Detailed description of the invention
In Fig. 1 ~ Fig. 3, main shaft of numerical control machine tool has housing 1, before having in housing, the tubular hollow arbor 2 of heavy wall of housing is stretched out in rear end, the front end of hollow arbor has conical handle of a knife socket 3, handle of a knife socket communicates with the hollow hole 4 of hollow arbor, main shaft of numerical control machine tool has pine, folder cutter arrangement, pine, folder cutter arrangement has the elasticity pulling claw 5 in the handle of a knife socket of hollow arbor front end, in hollow arbor hollow, there is pull bar 6, between pull bar and hollow arbor, there is the back-moving spring 7 that makes pull bar be subject to backward directions power, the rear end of main shaft of numerical control machine tool housing is connected with pine, folder cutter hydraulic cylinder, hollow arbor is connected with the rotating driving device 8 that built-in electric motor directly drives, round raster rotary coder is installed on hollow arbor, there is end plate 9 rear end of hollow arbor, there is the radially pin rod 10 that stretches out hollow arbor at the rear portion of hollow arbor draw-in bar, pine, folder cutter hydraulic cylinder has the annular hydraulic cylinder 11 being enclosed within outside hollow arbor, annular hydraulic cylinder has hydraulic medium to import and export 12, in annular hydraulic cylinder, be enclosed within outside hollow arbor, the radially annular piston 13 after pin rod, before annular piston and between the rear end of housing, there is the return spring 14 that makes annular piston be subject to backward directions power, circle raster rotary coder is mounted in the cylindrical round raster rotary coder 15 that has axle on the end plate of hollow arbor rear end.
The rotating driving device that the hollow arbor of above-mentioned main shaft of numerical control machine tool is connected with is the rotating driving device that built-in electric motor directly drives.The rotating driving device that the hollow arbor of main shaft of numerical control machine tool is connected with can be also the rotating driving device that separation motor drives indirectly.
Claims (3)
1. a main shaft of numerical control machine tool, there is housing, before having in housing, the tubular hollow arbor of heavy wall of housing is stretched out in rear end, the front end of hollow arbor has conical handle of a knife socket, handle of a knife socket communicates with the hollow hole of hollow arbor, main shaft of numerical control machine tool has pine, folder cutter arrangement, pine, folder cutter arrangement has the elasticity pulling claw in the handle of a knife socket of hollow arbor front end, in hollow arbor hollow, there is pull bar, between pull bar and hollow arbor, there is the back-moving spring that makes pull bar be subject to backward directions power, the rear end of main shaft of numerical control machine tool housing is connected with pine, folder cutter hydraulic cylinder, hollow arbor is connected with rotating driving device, round raster rotary coder is installed on hollow arbor, it is characterized in that: there is end plate the rear end of hollow arbor, there is the radially pin rod that stretches out hollow arbor at the rear portion of hollow arbor draw-in bar, pine, folder cutter hydraulic cylinder has the annular hydraulic cylinder being enclosed within outside hollow arbor, in annular hydraulic cylinder, be enclosed within outside hollow arbor, the radially annular piston after pin rod, before annular piston and between the rear end of housing, there is the return spring that makes annular piston be subject to backward directions power, the cylindrical round raster rotary coder of axle is installed on the end plate of hollow arbor rear end.
2. by main shaft of numerical control machine tool claimed in claim 1, it is characterized in that: described rotating driving device is the rotating driving device that built-in electric motor directly drives.
3. by main shaft of numerical control machine tool claimed in claim 1, it is characterized in that: described rotating driving device is the rotating driving device that separation motor drives indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398114.6A CN104148679A (en) | 2014-08-14 | 2014-08-14 | Main shaft of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398114.6A CN104148679A (en) | 2014-08-14 | 2014-08-14 | Main shaft of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104148679A true CN104148679A (en) | 2014-11-19 |
Family
ID=51874408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398114.6A Pending CN104148679A (en) | 2014-08-14 | 2014-08-14 | Main shaft of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104148679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108183A (en) * | 2015-10-12 | 2015-12-02 | 重庆大成优美数控科技有限公司 | Spindle of numerical control machine tool |
| CN106112020A (en) * | 2016-08-22 | 2016-11-16 | 张民胜 | A kind of main shaft of numerical control machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858135Y (en) * | 2006-01-20 | 2007-01-17 | 刘森钢 | Electric principal axis with automatic loose broach |
| CN201728548U (en) * | 2010-07-16 | 2011-02-02 | 许世雄 | Double-shaft linkage low-speed large-torque direct drive hydrostatic headstock device |
| CN102228996A (en) * | 2011-06-03 | 2011-11-02 | 大连意美机械有限公司 | Numerical control vertical turning machine main shaft coder connecting mode |
| JP2012045667A (en) * | 2010-08-26 | 2012-03-08 | Nsk Ltd | Spindle device of machine tool |
| CN203156063U (en) * | 2013-01-31 | 2013-08-28 | 上海大众祥易机电技术有限公司 | Device used for regulating pretightening force of motorized spindle |
| CN203972881U (en) * | 2014-08-14 | 2014-12-03 | 辽宁西格马数控机床有限公司 | A kind of main shaft of numerical control machine tool |
-
2014
- 2014-08-14 CN CN201410398114.6A patent/CN104148679A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858135Y (en) * | 2006-01-20 | 2007-01-17 | 刘森钢 | Electric principal axis with automatic loose broach |
| CN201728548U (en) * | 2010-07-16 | 2011-02-02 | 许世雄 | Double-shaft linkage low-speed large-torque direct drive hydrostatic headstock device |
| JP2012045667A (en) * | 2010-08-26 | 2012-03-08 | Nsk Ltd | Spindle device of machine tool |
| CN102228996A (en) * | 2011-06-03 | 2011-11-02 | 大连意美机械有限公司 | Numerical control vertical turning machine main shaft coder connecting mode |
| CN203156063U (en) * | 2013-01-31 | 2013-08-28 | 上海大众祥易机电技术有限公司 | Device used for regulating pretightening force of motorized spindle |
| CN203972881U (en) * | 2014-08-14 | 2014-12-03 | 辽宁西格马数控机床有限公司 | A kind of main shaft of numerical control machine tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108183A (en) * | 2015-10-12 | 2015-12-02 | 重庆大成优美数控科技有限公司 | Spindle of numerical control machine tool |
| CN106112020A (en) * | 2016-08-22 | 2016-11-16 | 张民胜 | A kind of main shaft of numerical control machine tool |
| CN106112020B (en) * | 2016-08-22 | 2018-11-27 | 南陵旺科知识产权运营有限公司 | A kind of main shaft of numerical control machine tool |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141119 |