CN103978391A - Spindle locating structure of accessory head of machining center - Google Patents
Spindle locating structure of accessory head of machining center Download PDFInfo
- Publication number
- CN103978391A CN103978391A CN201410241656.2A CN201410241656A CN103978391A CN 103978391 A CN103978391 A CN 103978391A CN 201410241656 A CN201410241656 A CN 201410241656A CN 103978391 A CN103978391 A CN 103978391A
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- China
- Prior art keywords
- accessory head
- spindle
- wedge
- alignment pin
- machining center
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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
- 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
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a spindle locating structure of an accessory head of a machining center. The spindle locating structure is arranged on a mounting combination face of the accessory head, and the tapered wedge part of the spindle locating structure is higher than a mounting face of the accessory head. When the accessory head is mounted, a tapered wedge is pushed to the position where the tapered wedge is flush with the mounting combination face of the accessory head by the end face of a spindle ram, the tapered wedge moves to drive a locating pin to be separated from a locating groove in a transmission shaft of the accessory head, meanwhile, a spindle output key is matched with a spindle output key groove of the accessory head, and a spindle of the accessory head can be driven by a spindle of the machining center to rotate. When the accessory head is not needed, the end face of the spindle ram is separated from the mounting combination face of the accessory head, the tapered wedge in the structure is reset to the position higher than the mounting face of the accessory head under the action of resetting force of a spring, the locating pin is matched with the locating groove in the transmission shaft of the accessory head, the position of the spindle of the accessory head is fixed, and it is guaranteed that the accessory head can still be kept at the mounting position where the accessory head is matched with the spindle output key groove in the next mounting process. The spindle locating structure is simple, reasonable and easy and convenient to mount; the position of the spindle of the accessory head can be reasonably fixed, automatic mounting of the accessory head is guaranteed, and the work efficiency of the pentahedron machining center is effectively improved.
Description
Technical field
The present invention relates to a kind of machining center accessory head spindle positioning structure, be specifically specially adapted to when pentahedron machining center needs automatically to change accessory head in process use, belong to frame for movement technical field.
Background technology
High speed development along with China's mechanical industry, especially the development of heavy industry, more and more to the demand of the high accuracy process equipments such as pentahedron machining center, pentahedron machining center is a kind of multifunctional numerical control machine growing up on the basis of general-purpose machining center, by the various attached cutting heads of automatic replacing, can realize the multiaspect processing to big machinery part, conventionally clamped one time can complete whole or most manufacturing procedures of big machinery part, thereby enhance productivity significantly, comparable general machining center improves work efficiency more than 3 times.Meanwhile, owing to having avoided multiple clamping, eliminate the error that multiple clamping causes, be conducive to improve and guarantee machining accuracy.Five process technologies, not only require machining center to possess automatic replacing main axle cutter function, and also requirement can be changed various accessory heads automatically simultaneously, to improve working (machining) efficiency.
In pentahedron process, when carrying out the automatic replacing of accessory head, by the signal feedback of spindle encoder, digital control system can be controlled the position of machining center main shaft cutting moment of torque run-out key, make it in the position with moment of torsion output keyway matches on accessory head, complete thus the automatic replacing of accessory head.Before the present invention makes, owing to cannot making the position of main-shaft torque output keyway on accessory head be in a fixed position, the installation of accessory head can only be passed through manual installation, greatly reduces the working (machining) efficiency of machining center.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby provide a kind of rational machining center accessory head spindle positioning structure, main shaft output keyway position on accessory head is fixed, and be in the position of matching with main shaft run-out key, machining center can be completed smoothly and change accessory head action.
Machining center accessory head spindle positioning structure of the present invention is mounted in accessory head faying face position is installed, and its wedge partly exceeds accessory head installed surface.When installation accessories head, utilize Chief axis end face that wedge is pushed into accessory head the position that faying face is flat is installed, and the motion of wedge drives alignment pin to depart from the locating slot on accessory head power transmission shaft, main shaft run-out key matches with accessory head main shaft output keyway simultaneously, makes accessory head main shaft energy work in-process heart main shaft drive lower rotation; When not needing to use accessory head, Chief axis end face and accessory head are installed faying face and are departed from, wedge in this device is under the effect of spring restoring force, be returned to and exceed accessory head installed surface position, and alignment pin coordinates with accessory head power transmission shaft locating slot, accessory head main spindle's is fixed, guaranteed that accessory head its main shaft when installing next time still can remain on the installation site coordinating with main shaft run-out key.
Compared with the prior art the present invention has the following advantages: the present invention is simple in structure, rationally, and simple installation; Energy is fixing fitting head main spindle's reasonably, has guaranteed the Auto-mounting of accessory head, effectively improves the operating efficiency of pentahedron machining center.
Accompanying drawing explanation
Fig. 1 is not installment state schematic diagram of accessory head of the present invention.
Fig. 2 is accessory head installment state schematic diagram of the present invention.
Alignment pin part schematic diagram in Fig. 3 the present invention.
Wedge part schematic diagram in Fig. 4 the present invention.
The specific embodiment
The present invention is below further described in connection with the embodiment in figure:
Machining center accessory head spindle positioning structure of the present invention is mainly comprised of spring 1, gland 2, alignment pin 3, wedge 4, baffle plate 5.When accessory head is not arranged on Chief axis, as shown in Figure 1, on accessory head casing 7, have alignment pin installing hole and wedge installing hole, both are in mutual plumbness; Respectively as shown in Figure 3, Figure 4, alignment pin 3 middle parts have the inclined-plane coordinating with wedge 4 for alignment pin 3 and wedge 4 profiles; Alignment pin 3 is arranged in the alignment pin installing hole on accessory head casing 7, and its rear end is provided with spring 1, and gland 2 is arranged on accessory head casing 7, and Compress Spring 1; In spring 1 resilient force, the wedge of alignment pin 3 front ends part coordinates with locating slot on axle 6, and makes axle 6 be fixed on current state; Wedge 4 is arranged in the wedge installing hole on accessory head casing 7, and coordinates with alignment pin 3, and its fit angle must be greater than Self-locking angle; Baffle plate 5 is arranged on accessory head casing 7, controls the rear end face of wedge 4 higher than the height of accessory head installed surface, has also just controlled the movement travel of wedge 4 with alignment pin 3.Under this state, accessory head axis 6, in stationary state, must not arbitrarily rotate, and the accessory head main shaft being connected with axle 6 also must not rotate, and this has just guaranteed that accessory head is not having under the state of installing, and accessory head main shaft is in a fixed position.
Figure 2 shows that accessory head installment state, when accessory head need to be arranged on machining center Chief axis, in the process that work in-process heart main shaft end face coordinates with accessory head casing 7 end contacts, wedge 4 is promoted left, under the effect on inclined-plane, alignment pin 3 moves upward, and in Compress Spring 1, alignment pin 3 front ends and axle 6 depart from; Meanwhile, on machining center, main shaft output driving key coordinates with axle 6 rear ends output transmission keyways, the rotation of accessory head main shaft will with process equipment main shaft rotational synchronization, accessory head installation.After accessory head uses, by spindle encoder, control, accessory head axis 6 is gone to and front identical position is installed, when accessory head departs from after main shaft end face, accessory head returns back to state shown in Fig. 1.
The present invention installs by spring 1, gland 2, alignment pin 3, wedge 4, the mutual cooperation of baffle plate 5, at accessory head not during installment state, main shaft output keyway position on accessory head axis 6 is fixed on to the position of matching with main shaft run-out key, is convenient to the installation of accessory head; And after accessory head uses, by spindle encoder, control, accessory head axis 6 is returned to initial position, be convenient to the smooth installation of next accessory head, effectively guaranteed operating efficiency.
Claims (4)
1. machining center accessory head spindle positioning structure, is characterized in that: mainly spring 1, gland 2, alignment pin 3, wedge 4, baffle plate 5, consist of.
2. according to machining center accessory head spindle positioning structure claimed in claim 1, it is characterized in that: when accessory head is not arranged on Chief axis, have alignment pin installing hole and wedge installing hole on accessory head casing 7, both are in mutual plumbness; Respectively as shown in Figure 3, Figure 4, alignment pin 3 middle parts have the inclined-plane coordinating with wedge 4 for alignment pin 3 and wedge 4 profiles; Alignment pin 3 is arranged in the alignment pin installing hole on accessory head casing 7, and its rear end is provided with spring 1, and gland 2 is arranged on accessory head casing 7, and Compress Spring 1; In spring 1 resilient force, the wedge of alignment pin 3 front ends part coordinates with locating slot on axle 6, and makes axle 6 be fixed on current state; Wedge 4 is arranged in the wedge installing hole on accessory head casing 7, and coordinates with alignment pin 3, and its fit angle must be greater than Self-locking angle; Baffle plate 5 is arranged on accessory head casing 7, controls the rear end face of wedge 4 higher than the height of accessory head installed surface, has also just controlled the movement travel of wedge 4 with alignment pin 3.
3. according to machining center accessory head spindle positioning structure claimed in claim 1, accessory head it is characterized in that: when need to be arranged on machining center Chief axis, in the process that work in-process heart main shaft end face coordinates with accessory head casing 7 end contacts, wedge 4 is promoted left, under the effect on inclined-plane, alignment pin 3 moves upward, and in Compress Spring 1, alignment pin 3 front ends and axle 6 depart from; Meanwhile, on machining center, main shaft output driving key coordinates with axle 6 rear ends output transmission keyways, the rotation of accessory head main shaft will with process equipment main shaft rotational synchronization, accessory head installation.
4. according to machining center accessory head spindle positioning structure claimed in claim 1, it is characterized in that: after accessory head uses, by spindle encoder, control, accessory head axis 6 is gone to and front identical position is installed, when accessory head departs from after main shaft end face, accessory head returns back to state shown in Fig. 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241656.2A CN103978391B (en) | 2014-06-03 | 2014-06-03 | Machining center accessory head spindle positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241656.2A CN103978391B (en) | 2014-06-03 | 2014-06-03 | Machining center accessory head spindle positioning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978391A true CN103978391A (en) | 2014-08-13 |
| CN103978391B CN103978391B (en) | 2016-03-23 |
Family
ID=51270691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241656.2A Expired - Fee Related CN103978391B (en) | 2014-06-03 | 2014-06-03 | Machining center accessory head spindle positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103978391B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798368A (en) * | 2014-12-30 | 2016-07-27 | 武汉重型机床集团有限公司 | Positioning structure for main shaft of right-angle milling head |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611650A (en) * | 1995-08-16 | 1997-03-18 | Laurence/Wayne | Tooling plate mounting assembly with interlocking pins |
| CN2644077Y (en) * | 2003-08-27 | 2004-09-29 | 江苏多棱数控机床股份有限公司 | Pentahedron large-scale processing center |
| CN202668197U (en) * | 2012-04-12 | 2013-01-16 | 江苏华兴通讯科技有限公司(中外合资) | Turning operation clamp of cylindrical four-way type workpiece |
| CN102922349A (en) * | 2012-11-06 | 2013-02-13 | 无锡桥联数控机床有限公司 | Mechanical self-locking mechanism |
| CN202922297U (en) * | 2012-10-24 | 2013-05-08 | 上海三一精机有限公司 | Accessory head drive shaft clamping mechanism and accessory head drive shaft clamping tool |
| CN202922291U (en) * | 2012-11-06 | 2013-05-08 | 无锡桥联数控机床有限公司 | Mechanical protection device for clamping pentahedral accessory head |
| CN203664794U (en) * | 2013-12-06 | 2014-06-25 | 武汉重型机床集团有限公司 | Clamping device for accessory of milling spindle |
-
2014
- 2014-06-03 CN CN201410241656.2A patent/CN103978391B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611650A (en) * | 1995-08-16 | 1997-03-18 | Laurence/Wayne | Tooling plate mounting assembly with interlocking pins |
| CN2644077Y (en) * | 2003-08-27 | 2004-09-29 | 江苏多棱数控机床股份有限公司 | Pentahedron large-scale processing center |
| CN202668197U (en) * | 2012-04-12 | 2013-01-16 | 江苏华兴通讯科技有限公司(中外合资) | Turning operation clamp of cylindrical four-way type workpiece |
| CN202922297U (en) * | 2012-10-24 | 2013-05-08 | 上海三一精机有限公司 | Accessory head drive shaft clamping mechanism and accessory head drive shaft clamping tool |
| CN102922349A (en) * | 2012-11-06 | 2013-02-13 | 无锡桥联数控机床有限公司 | Mechanical self-locking mechanism |
| CN202922291U (en) * | 2012-11-06 | 2013-05-08 | 无锡桥联数控机床有限公司 | Mechanical protection device for clamping pentahedral accessory head |
| CN203664794U (en) * | 2013-12-06 | 2014-06-25 | 武汉重型机床集团有限公司 | Clamping device for accessory of milling spindle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798368A (en) * | 2014-12-30 | 2016-07-27 | 武汉重型机床集团有限公司 | Positioning structure for main shaft of right-angle milling head |
| CN105798368B (en) * | 2014-12-30 | 2018-02-06 | 武汉重型机床集团有限公司 | Accessories mill-head spindle positioning structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103978391B (en) | 2016-03-23 |
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Granted publication date: 20160323 Termination date: 20170603 |
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