CN104772474A - Main shaft assembly of multi-edge angle milling machine - Google Patents
Main shaft assembly of multi-edge angle milling machine Download PDFInfo
- Publication number
- CN104772474A CN104772474A CN201510177895.0A CN201510177895A CN104772474A CN 104772474 A CN104772474 A CN 104772474A CN 201510177895 A CN201510177895 A CN 201510177895A CN 104772474 A CN104772474 A CN 104772474A
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- Prior art keywords
- main shaft
- bearing seat
- spindle
- chuck
- bearing
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a main shaft assembly of a multi-edge angle milling machine. The main shaft assembly comprises a main shaft seat, a main shaft, a main shaft front bearing cover, a main shaft back bearing cover, larger bearings, small bearings, large round screw nuts, small round screw nuts, a larger inner retainer ring, a large outer retainer ring, a small inner retainer ring, a smaller outer retainer ring, a three-claw chuck, a chuck fixing block, a positioning assembly, a driving wheel, a belt wheel, a main shaft front bearing seat and a main shaft back bearing seat, wherein the front end and the back end of the man shaft seat are respectively connected with the main shaft front bearing seat and the main shaft back bearing seat, the main shaft front bearing seat is connected with the main shaft front bearing cover through a screw bolt, a pair of large bearings and large round screw nuts are arranged in the main shaft front bearing seat, the main shaft back bearing seat is connected with the main shaft back bearing cover through a screw bolt, a pair of small bearings and small round screw nuts are arranged in the main shaft back bearing seat, the driving wheel and the belt wheel are arranged in a tight pasting position of the outer surface of the main shaft and the main shaft back bearing cover, the other end of the main shaft is provided with the chuck fixing block and the three-claw chuck, the positioning assembly is arranged in a main shaft inner hole, one end, tightly abutted against one end of the three-claw chuck, of the positioning assembly is in contact with the end surface of the belt wheel for fixing the belt wheel.
Description
Technical field:
The present invention relates to milling device technical field, relate to a kind of spindle assemblies of polygon angular milling machine in particular.
Background technology:
The spindle assemblies of polygon angular milling machine is the clamping device of workpiece to be machined, its one end is that belt pulley is connected to motor, one end is that scroll chuck clamping work pieces drives workpiece rotation to process, but the spindle assemblies ubiquity airtight performance of angular milling machine is not good at present, main shaft rotates the shortcoming of unstable easily vibrations after using a period of time, how to design spindle assemblies and it can be made can also to keep be a problem demanding prompt solution service life of prolonged-stability spindle assemblies under the most important condition meeting holding workpiece.
Summary of the invention:
Object of the present invention is exactly the deficiency for prior art, and a kind of spindle assemblies of polygon angular milling machine of high stability is provided, its structure is simple, operates steadily, process easy for installation, the operation of polygon angular milling machine can be made more smooth and easy and the service life of prolongation spindle assemblies.
Technology solution of the present invention is as follows:
A spindle assemblies for polygon angular milling machine, comprising: spindle drum, main shaft, main spindle front bearing lid, mainshaft rear bearing lid, large bearing, little bearing, large round nut, little round nut, large inner shield ring, large outer back-up ring, little inner shield ring, little outer back-up ring, scroll chuck, chuck fixed block, positioning component, driving wheel, belt pulley, main spindle front bearing seat, mainshaft rear bearing seat.Have four screwed holes bottom spindle drum and hold-down screw is installed, spindle drum front and back end connects main spindle front bearing seat and mainshaft rear bearing seat each via four bolts, main spindle front bearing seat is bolted main spindle front bearing lid, in main spindle front bearing seat, a pair large bearing and large round nut are installed, mainshaft rear bearing seat is bolted mainshaft rear bearing lid, in mainshaft rear bearing seat, little a pair bearing and little round nut are installed, main shaft is installed in spindle drum central upper portion position, at the outerface of spindle and mainshaft rear bearing lid closed position, driving wheel and belt pulley are installed, at main shaft other end chuck for installing fixed block and scroll chuck, between main shaft and chuck fixed block, all fixed by screw between chuck fixed block and scroll chuck, inner hole of spindle installs positioning component, positioning component one end and scroll chuck dieback one end and belt pulley end contact are fixed belt pulley.
Preferred as technique scheme, large bearing is angular contact ball bearing 7015AC, and little bearing is angular contact ball bearing 7014.
Preferred as technique scheme, chuck fixed block has nine screwed holes.
Preferred as technique scheme, scroll chuck has three M10 screwed holes.
Preferred as technique scheme, positioning component end withstands body end face and has notch.
Preferred as technique scheme, the material of main shaft is 40Cr, modifier treatment.
Beneficial effect of the present invention is: in spindle drum, scroll chuck end installs a pair large angular contact ball bearing 7015AC additional, driving wheel end installs little a pair angular contact ball bearing 7014 additional and can weaken radial load suffered by main shaft and axial load, main shaft and scroll chuck are locked by chuck fixed block, easy to loading and unloading, these designs effectively extend the service life of spindle assemblies and increase the simplicity that part replaces.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is main apparent direction structural representation of the present invention;
Fig. 3 is A-A cross section structure schematic diagram in Fig. 2;
Fig. 4 is the positioning component wheel construction schematic diagram in the present invention;
Fig. 5 is the chuck fixed-block-architecture (FBA) schematic diagram in the present invention;
Fig. 6 is the structural representation withstanding body in positioning component;
Fig. 7 is the scroll chuck structural representation in the present invention.
In figure, 1, spindle drum; 2, main shaft; 3, main spindle front bearing lid; 4, mainshaft rear bearing lid; 5, large bearing; 6, little bearing; 7, large round nut; 8, little round nut; 9, large inner shield ring; 10, large outer back-up ring; 11, little inner shield ring; 12, little outer back-up ring; 13, scroll chuck; 14, chuck fixed block; 15, positioning component; 16, driving wheel; 17, belt pulley; 18, main spindle front bearing seat; 19, mainshaft rear bearing seat.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiments of the present invention are described below, those skilled in the art can understand other advantages of the present invention and effect easily by content disclosed in the present specification.
See shown in Fig. 1, Fig. 2 and Fig. 3, a spindle assemblies for polygon angular milling machine, comprising: spindle drum 1, main shaft 2, main spindle front bearing lid 3, mainshaft rear bearing lid 4, large bearing 5, little bearing 6, large round nut 7, little round nut 8, large inner shield ring 9, large outer back-up ring 10, little inner shield ring 11, little outer back-up ring 12, scroll chuck 13, chuck fixed block 14, positioning component 15, driving wheel 16, belt pulley 17, main spindle front bearing seat 18, mainshaft rear bearing seat 19.Have four screwed holes bottom spindle drum 1 and hold-down screw is installed, spindle drum 1 front and back end connects main spindle front bearing seat 18 and mainshaft rear bearing seat 19 each via four bolts, main spindle front bearing seat 18 is bolted main spindle front bearing lid 3, in main spindle front bearing seat 18, a pair large bearing 5 and large round nut 7 are installed, mainshaft rear bearing seat 19 is bolted mainshaft rear bearing lid 4, in mainshaft rear bearing seat 19, little a pair bearing 6 and little round nut 8 are installed, main shaft 2 is installed in spindle drum 1 central upper portion position, at main shaft 2 outer surface and mainshaft rear bearing lid 4 closed position, driving wheel 16 and belt pulley 17 are installed, at main shaft 2 other end chuck for installing fixed block 14 and scroll chuck 13, between main shaft 2 and chuck fixed block 14, all fixed by screw between chuck fixed block 14 and scroll chuck 13, main shaft 2 endoporus installs positioning component 15, positioning component 15 one end and scroll chuck 13 dieback one end and belt pulley 17 end contact are fixed belt pulley 17.
As shown in Figure 3, all angular contact ball bearing is adopted for the large and small two pairs of bearings carrying huge radial load, mounted in pairs angular contact ball bearing can bear radial direction, axially two-way connected load based on radial load, also pure radial load can be born, precompressed interference is had after installation, lasso and steel ball are in axial preload state, thus improve whole group of bearing as single support stiffness and running accuracy, large bearing 5 is angular contact ball bearing 7015AC, and little bearing 6 is angular contact ball bearing 7014.
See shown in Fig. 2, Fig. 4 and Fig. 6, positioning component 15 is made up of five parts: mobile jib 20, positioning disk 21, spacer 22, sleeve 23 and withstand body 24, positioning disk 21 and mobile jib 20 all have locating slot, the two is fixed by the positioning key put into wherein, spacer 22 is fixed by the protrusion cylinder be inserted on positioning disk 21, sleeve 23 and mobile jib 20 are fixed by the screw of four on mobile jib 20, sleeve 23 is embedded in and withstands body 24, its end face has notch 24-1 for placing workpiece to be machined afterbody, effectively can increase workpiece by the stability clamped.
As shown in Figure 5, chuck fixed block 14 has three M6 minor thread hole 14-2 of M10 major thread hole 14-1 and six circumferentially, major thread hole 14-1 is for installing the M10 screw of connecting chuck fixed block 14 and scroll chuck 13, and six minor thread hole 14-2 are for installing the M6 screw of connecting chuck fixed block 14 and main shaft 2.
See shown in Fig. 3 and Fig. 7, one end and the chuck fixed block 14 of scroll chuck 13 are connected by screw, and the joint face of scroll chuck 13 has three circumferentially scroll chuck screwed hole 13-1, and it is of a size of M10, for installing the screw of connection and chuck fixed block 14.
See shown in Fig. 1 and Fig. 3, the material of main shaft 2 is 40Cr, modifier treatment.40Cr after modifier treatment has good comprehensive mechanical property, good low-temperature impact toughness and low notch sensitivity, may be used for manufacturing the main shaft part with high case hardness and wearability.
Described embodiment in order to illustrative the present invention, but not for limiting the present invention.Any those skilled in the art all without prejudice under spirit of the present invention and category, can modify to described embodiment, therefore the scope of the present invention, should listed by claim of the present invention.
Claims (6)
1. the spindle assemblies of a polygon angular milling machine, it is characterized in that, comprise: spindle drum (1), main shaft (2), main spindle front bearing lid (3), mainshaft rear bearing lid (4), large bearing (5), little bearing (6), large round nut (7), little round nut (8), large inner shield ring (9), large outer back-up ring (10), little inner shield ring (11), little outer back-up ring (12), scroll chuck (13), chuck fixed block (14), positioning component (15), driving wheel (16), belt pulley (17), main spindle front bearing seat (18), mainshaft rear bearing seat (19), spindle drum (1) bottom has four screwed holes and installs hold-down screw, spindle drum (1) front and back end connects main spindle front bearing seat (18) and mainshaft rear bearing seat (19) each via four bolts, main spindle front bearing seat (18) is bolted main spindle front bearing lid (3), in main spindle front bearing seat (18), a pair large bearing (5) and large round nut (7) are installed, mainshaft rear bearing seat (19) is bolted mainshaft rear bearing lid (4), in mainshaft rear bearing seat (19), little a pair bearing (6) and little round nut (8) are installed, main shaft (2) is installed in spindle drum (1) central upper portion position, at main shaft (2) outer surface and mainshaft rear bearing lid (4) closed position, driving wheel (16) and belt pulley (17) are installed, at main shaft (2) other end chuck for installing fixed block (14) and scroll chuck (13), between main shaft (2) and chuck fixed block (14), all fixed by screw between chuck fixed block (14) and scroll chuck (13), main shaft (2) endoporus installs positioning component (15), positioning component (15) one end and scroll chuck (13) dieback one end and belt pulley (17) end contact are fixed belt pulley (17).
2. the spindle assemblies of polygon angular milling machine according to claim 1, is characterized in that: large bearing (5) is angular contact ball bearing 7015AC, and little bearing (6) is angular contact ball bearing 7014.
3. the spindle assemblies of polygon angular milling machine according to claim 1, is characterized in that: chuck fixed block (14) has nine screwed holes.
4. the spindle assemblies of polygon angular milling machine according to claim 1, is characterized in that: scroll chuck (13) has three M10 screwed holes.
5. the spindle assemblies of polygon angular milling machine according to claim 1, is characterized in that: positioning component (15) end withstands body end face and has notch.
6. the spindle assemblies of polygon angular milling machine according to claim 1, is characterized in that: the material of main shaft (2) is 40Cr, modifier treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177895.0A CN104772474A (en) | 2015-04-15 | 2015-04-15 | Main shaft assembly of multi-edge angle milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177895.0A CN104772474A (en) | 2015-04-15 | 2015-04-15 | Main shaft assembly of multi-edge angle milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104772474A true CN104772474A (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510177895.0A Pending CN104772474A (en) | 2015-04-15 | 2015-04-15 | Main shaft assembly of multi-edge angle milling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104772474A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297629A (en) * | 2017-04-28 | 2017-10-27 | 盐城工业职业技术学院 | Air spider rotary support |
| CN109202196A (en) * | 2018-11-14 | 2019-01-15 | 安徽宁国中鼎模具制造有限公司 | Positioning fixture is used in a kind of processing of automobile brake dust cover mold core |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5258186A (en) * | 1975-11-10 | 1977-05-13 | Ikegai Corp | Main shaft unit equipped with eccentric positioning device |
| JPH05131304A (en) * | 1991-11-11 | 1993-05-28 | Yamada Seisakusho:Kk | Holding structure for lathe spindle device |
| CN102114613A (en) * | 2010-11-11 | 2011-07-06 | 东南大学 | Efficient inner-cooling electric spindle |
| CN102814510A (en) * | 2012-09-22 | 2012-12-12 | 无锡华联精工机械有限公司 | Main shaft structure of circular-seam back-chipping edge milling machine |
| TW201350254A (en) * | 2012-04-05 | 2013-12-16 | Yugen Kaisha Omoso Tekko | Positioning device for lathe |
| CN104190957A (en) * | 2014-06-19 | 2014-12-10 | 北京鼎臣高科技有限公司 | Cutter disc spindle head |
| CN204657487U (en) * | 2015-04-15 | 2015-09-23 | 吴江市宏宇机械有限公司 | A kind of spindle assemblies of polygon angular milling machine |
-
2015
- 2015-04-15 CN CN201510177895.0A patent/CN104772474A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5258186A (en) * | 1975-11-10 | 1977-05-13 | Ikegai Corp | Main shaft unit equipped with eccentric positioning device |
| JPH05131304A (en) * | 1991-11-11 | 1993-05-28 | Yamada Seisakusho:Kk | Holding structure for lathe spindle device |
| CN102114613A (en) * | 2010-11-11 | 2011-07-06 | 东南大学 | Efficient inner-cooling electric spindle |
| TW201350254A (en) * | 2012-04-05 | 2013-12-16 | Yugen Kaisha Omoso Tekko | Positioning device for lathe |
| CN102814510A (en) * | 2012-09-22 | 2012-12-12 | 无锡华联精工机械有限公司 | Main shaft structure of circular-seam back-chipping edge milling machine |
| CN104190957A (en) * | 2014-06-19 | 2014-12-10 | 北京鼎臣高科技有限公司 | Cutter disc spindle head |
| CN204657487U (en) * | 2015-04-15 | 2015-09-23 | 吴江市宏宇机械有限公司 | A kind of spindle assemblies of polygon angular milling machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297629A (en) * | 2017-04-28 | 2017-10-27 | 盐城工业职业技术学院 | Air spider rotary support |
| CN109202196A (en) * | 2018-11-14 | 2019-01-15 | 安徽宁国中鼎模具制造有限公司 | Positioning fixture is used in a kind of processing of automobile brake dust cover mold core |
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| PB01 | Publication | ||
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Application publication date: 20150715 |