CN203817411U - Main shaft structure arranged on cutter tower rotary disc and used for drilling and tapping - Google Patents
Main shaft structure arranged on cutter tower rotary disc and used for drilling and tapping Download PDFInfo
- Publication number
- CN203817411U CN203817411U CN201420239091.XU CN201420239091U CN203817411U CN 203817411 U CN203817411 U CN 203817411U CN 201420239091 U CN201420239091 U CN 201420239091U CN 203817411 U CN203817411 U CN 203817411U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- bearing block
- snap ring
- bearing
- face
- 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.)
- Expired - Fee Related
Links
- 238000010079 rubber tapping Methods 0.000 title abstract description 7
- 238000005553 drilling Methods 0.000 title abstract 2
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a main shaft structure arranged on a cutter tower rotary disc and used for drilling and tapping. The main shaft structure comprises a main shaft and a bearing block. The bearing block is in a step cylindrical shape. A radial bearing is arranged between the rear portion of the main shaft and the bearing block. The front end face of the radial bearing is adjacent to a snap ring. The snap ring is fixedly connected to the bearing block. The rear portion of the main shaft is sequentially provided with a thrust bearing and an adjusting nut. The thrust bearing is tightly attached to the radial bearing. The two sides of the end face of the adjusting nut are provided with two axial threaded holes respectively. Two adjusting bolts are screwed in the two axial threaded holes and abut against the thrust bearing; the portion, in front of the snap ring, of the main shaft is fixedly connected with a gear, the portion, between the gear and the front end face of the radial bearing, of the main shaft is further sleeved with a spacer bush, the spacer bush penetrates through the snap ring, an end cover is arranged on the portion, in front of the gear, of the main shaft in a sleeved mode, the end cover and the bearing block are connected to the knife tower rotary disc in a locked mode through a plurality of locking bolts, a notch is formed in the bearing holder so that a part of the gear can stretch out of the bearing block, and a knife clamp is arranged at the front end of the main shaft. According to the main shaft structure, the main shaft is convenient to assemble and maintain and adjustment of the rotation accuracy of the main shaft is simple.
Description
Technical field
The utility model relates to numerical control machine process equipment manufacturing technology field, and especially a kind of cutter tower rotating disk that is loaded on bores the main axle structure of attacking use.
Background technology
In numerical control machine process equipment manufacturing technology field, much knives tool to be installed on cutter tower conventionally and carry out rotation processing, to enhance productivity.But when installing drill is attacked cutter on cutter tower, the main shaft that can turn round and brill also need to be set on cutter tower and attack cutter incompatible the boring or tapping that match.
2009 03 month 11 discloses a patent No. is ZL200820047643.1, name is called the utility model patent of " a kind of Multifunctional tool rest ", it includes cutterhead, cutter spindle, straight line movement driving mechanism, driving mechanism rotatablely moves, transmission mechanism, wherein cutterhead is installed on cutter spindle, cutter spindle is connected with and drives it make the straight line movement driving mechanism of stretching motion and be connected with and driven its driving mechanism that rotatablely moves rotating by transmission mechanism, wherein the side of cutter spindle is provided with line shaft, line shaft is installed on power transmission shaft, power transmission shaft is connected with line shaft motor by power drive mechanism, and power transmission shaft is connected with straight line movement driving mechanism and realizes the chain power transmission shaft straight line movement driving mechanism of action reversed.This cutter tower can be installed turning cutting tool, also can install the cutters such as brill, milling and tapping.Although the line shaft overall structure of this cutter tower and the assembling of cutterhead are also fairly simple, the adjustment of its line shaft running accuracy is cumbersome.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of cutter tower rotating disk that is loaded on and bores the main axle structure of attacking use, and the I& M of main shaft is convenient, and the adjustment of spindle operation precision is comparatively simple, convenient.
For achieving the above object, the technical solution of the utility model is: a kind of cutter tower rotating disk that is loaded on bores the main axle structure of attacking use, comprise main shaft, bearing block, bearing block is ladder barrel shape, the rear sleeve of main shaft is in the centre bore of bearing block, multiple radial bearings are housed between the rear portion of main shaft and bearing block, be close to a snap ring in top radial bearing front end face, snap ring is fixed on bearing block, the rear portion of main shaft is also equipped with a thrust bearing and an adjusting nut successively, thrust bearing front end face is close in the rear end face of radial bearing backmost, the end face both sides of adjusting nut are provided with two axial thread holes, adjusting bolt for two is spun on two axial thread holes and withstands on the rear end face of thrust bearing, an affixed gear on main shaft before snap ring, gear and on the main shaft between the radial bearing front end face of foremost also cover have a spacer, spacer is through described snap ring, on main shaft before gear, cover has an end cap, bearing block and end cap pass through multiple clamping screw interlockings on cutter tower rotating disk, on bearing block, have outside the part energy projecting shaft bearing that a breach makes gear, on the front end of main shaft, cutter holder is housed.
Preferred described cutter holder comprises a taper chuck and a locking nut, front-end of spindle face center processes a bellmouth and matches with the outer surface of taper chuck, locking nut is spun on front-end of spindle outer surface, taper chuck front end outer surface is provided with an inverted cone surface, and locking nut endoporus front end is provided with a shoulder and matches with described inverted cone surface.The size of this structure taper chuck endoporus can change, and therefore main shaft just can match and hole or tapping with the drill bit of sizes or tapping screw tap.
Further improve, sealing ring is also housed between described end cap and main shaft.With the working environment of protection bearing.
Further improve, the outer peripheral face of described snap ring is provided with external screw thread, bearing block inner surface is provided with internal thread, retaining ring lock is connected on bearing block inner surface, snap ring outer peripheral face both sides radially have two breach, on the snap ring of two breach one sides, be respectively equipped with axial screwed hole, be respectively equipped with axial ladder hole on the snap ring of two breach opposite sides, two bolts are locked on described screwed hole snap ring distortion are fixed tightly on bearing block through described ladder hole respectively.Facilitate the assembling of snap ring and tighten up.
The utility model is due to main shaft and be contained in each parts integral installation on main shaft on the columnar bearing block of a ladder, bearing block and end cap pass through again multiple clamping screw interlockings at cutter tower rotating disk, therefore as long as these clamping screws of dismounting just can make whole main axle structure be connected or be separated with cutter tower rotating disk.Therefore the I& M of main shaft more for convenience.
On the other hand, because of after snap ring and bearing block tighten up, by rotating two gaps of adjusting bolts and just can conveniently adjusting thrust bearing and radial bearing, make the adjustment of spindle operation precision comparatively simple, facilitate.
Brief description of the drawings
Fig. 1 is the utility model stereogram;
Fig. 2 is the utility model front view;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is that the utility model snap ring master looks enlarged drawing;
Fig. 5 is the B-B cutaway view of Fig. 4;
Fig. 6 is the utility model taper chuck stereo amplification figure.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 6, a kind of cutter tower rotating disk that is loaded on bores the main axle structure of attacking use, comprise main shaft 1, bearing block 2, bearing block 2 is ladder barrel shape, the rear sleeve of main shaft 1 is in the centre bore of bearing block 2, two radial bearings 3 are housed between the rear portion of main shaft 1 and bearing block 2, be close to a snap ring 4 in radial bearing 3 front end faces above, snap ring 4 is fixed on bearing block 2, the rear portion of main shaft 1 is also equipped with a thrust bearing 5 and an adjusting nut 6 successively, thrust bearing 5 front end faces are close in the rear end face of radial bearing 3 below, the end face both sides of adjusting nut 6 are provided with two axial thread holes, adjusting bolt 61 for two is spun on 6 two axial thread holes of adjusting nut and withstands on the rear end face of thrust bearing 5, an affixed gear 7 on snap ring 4 main shaft 1 above, gear 7 and main shaft 1 can pass through metallic bond Joint, on gear 7 main shaft 1 above, cover has an end cap 8, bearing block 2 and end cap 8 can utilize multiple clamping screw 81 interlockings on cutter tower rotating disk, on bearing block 2, have outside the part energy projecting shaft bearing 2 that a breach makes gear 7, cutter holder 9 is housed on the front end of main shaft 1.
Described gear 7 and on the main shaft 1 between radial bearing 3 front end faces above also cover have a spacer 10, spacer 10 is through described snap ring 4.
Described cutter holder 9 comprises a taper chuck 91 and a locking nut 92, main shaft 1 front end face center processes a bellmouth 11 and matches with the outer surface of taper chuck 91, locking nut 92 is spun on main shaft 1 front end outer surface, taper chuck 91 front end outer surfaces are provided with an inverted cone surface 911, locking nut 92 endoporus front ends are provided with a shoulder 921 and match with described inverted cone surface 911, on taper chuck 91 outer peripheral faces, offer the axial gap that multiple tracks facilitates taper chuck 91 to shrink.Rotational lock nut 92 like this, the shoulder 921 of locking nut 92 endoporus front ends just can be clamped on the bellmouth 11 at main shaft 1 front end face center taper chuck 91 by described inverted cone surface 911, and the chuck of taper simultaneously 91 can also inside contract and clamp drill bit or tapping screw tap.
Between described end cap 8 and main shaft 1, sealing ring 82 is also housed, sealing ring 82 can adopt wool felt to make.
Snap ring 4 with the affixed mode of bearing block 2 is, the outer peripheral face of described snap ring 4 is provided with external screw thread, bearing block 2 inner surfaces are provided with internal thread, snap ring 4 interlockings are on bearing block 2 inner surfaces, snap ring 4 outer peripheral face both sides radially have two breach 41, on the snap ring of two breach 41 1 sides, be respectively equipped with axial screwed hole 42, on the snap ring of two breach 41 opposite sides, being respectively equipped with 43, two bolts of axial ladder hole is locked on described screwed hole 42 snap ring 4 distortion is fixed on bearing block 2 through described ladder hole 43 respectively.
After snap ring of the present utility model 4 tightens up with bearing block 2, if adjust two adjust bolts 61 just can conveniently adjust thrust bearing 5 and two radial bearing 3 gaps, make the adjustment of main shaft 1 running accuracy comparatively simple, conveniently.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (4)
1. one kind is loaded on cutter tower rotating disk and bores and attack the main axle structure of use, comprise main shaft, bearing block, it is characterized in that: bearing block is ladder barrel shape, the rear sleeve of main shaft is in the centre bore of bearing block, multiple radial bearings are housed between the rear portion of main shaft and bearing block, be close to a snap ring in top radial bearing front end face, snap ring is fixed on bearing block, the rear portion of main shaft is also equipped with a thrust bearing and an adjusting nut successively, thrust bearing front end face is close in the rear end face of radial bearing backmost, the end face both sides of adjusting nut are provided with two axial thread holes, adjusting bolt for two is spun on two axial thread holes and withstands on the rear end face of thrust bearing, an affixed gear on main shaft before snap ring, gear and on the main shaft between the radial bearing front end face of foremost also cover have a spacer, spacer is through described snap ring, on main shaft before gear, cover has an end cap, bearing block and end cap pass through multiple clamping screw interlockings on cutter tower rotating disk, on bearing block, have outside the part energy projecting shaft bearing that a breach makes gear, on the front end of main shaft, cutter holder is housed.
2. a kind of cutter tower rotating disk that is loaded on according to claim 1 bores the main axle structure of attacking use, it is characterized in that: described cutter holder comprises a taper chuck and a locking nut, front-end of spindle face center processes a bellmouth and matches with the outer surface of taper chuck, locking nut is spun on front-end of spindle outer surface, taper chuck front end outer surface is provided with an inverted cone surface, and locking nut endoporus front end is provided with a shoulder and matches with described inverted cone surface.
3. a kind of cutter tower rotating disk that is loaded on according to claim 1 bores the main axle structure of attacking use, it is characterized in that: sealing ring is also housed between described end cap and main shaft.
4. bore the main axle structure of attacking use according to a kind of cutter tower rotating disk that is loaded on described in claims 1 to 3 any one, it is characterized in that: the outer peripheral face of described snap ring is provided with external screw thread, bearing block inner surface is provided with internal thread, retaining ring lock is connected on bearing block inner surface, snap ring outer peripheral face both sides radially have two breach, on the snap ring of two breach one sides, be respectively equipped with axial screwed hole, on the snap ring of two breach opposite sides, be respectively equipped with axial ladder hole, two bolts are locked on described screwed hole snap ring distortion are fixed tightly on bearing block through described ladder hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239091.XU CN203817411U (en) | 2014-05-12 | 2014-05-12 | Main shaft structure arranged on cutter tower rotary disc and used for drilling and tapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239091.XU CN203817411U (en) | 2014-05-12 | 2014-05-12 | Main shaft structure arranged on cutter tower rotary disc and used for drilling and tapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817411U true CN203817411U (en) | 2014-09-10 |
Family
ID=51472952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239091.XU Expired - Fee Related CN203817411U (en) | 2014-05-12 | 2014-05-12 | Main shaft structure arranged on cutter tower rotary disc and used for drilling and tapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817411U (en) |
-
2014
- 2014-05-12 CN CN201420239091.XU patent/CN203817411U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160512 Address after: 362000, Fujian, Quanzhou province Anxi County Court industry and Trade Park Patentee after: FUJIAN JIAYOU TEA MACHINERY INTELLIGENT TECHNOLOGY CO., LTD. Address before: 361000 No. 239, prosperous road, Huli District, Fujian, Xiamen three, China Patentee before: The great mechanical Science and Technology Ltd. of Xiamen power |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20200512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |