CN204893026U - Version roller digit control machine tool - Google Patents
Version roller digit control machine tool Download PDFInfo
- Publication number
- CN204893026U CN204893026U CN201520564719.8U CN201520564719U CN204893026U CN 204893026 U CN204893026 U CN 204893026U CN 201520564719 U CN201520564719 U CN 201520564719U CN 204893026 U CN204893026 U CN 204893026U
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- Prior art keywords
- machine tool
- frame
- guide rail
- ball bearing
- angular contact
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Abstract
The utility model discloses a version roller digit control machine tool, including frame and headstock, the frame adopts high standard cast iron integration casting shaping, is equipped with drive lathe main shaft pivoted driving system in the headstock, installs an angular contact ball bearing and the 2nd angular contact ball bearing on the lathe main shaft, and an angular contact ball bearing's the outside is provided with the ring flange, being equipped with the chuck that is used for pressing from both sides tight work piece on the lathe main shaft, being equipped with the guide rail in the frame, the frame rear is set up and be equipped with the knife rest on the guide rail, is equipped with the extension rod on the knife rest, and the boring cutter links firmly on the extension rod, lies in on the guide rail still to be equipped with between headstock and the knife rest to carry out the centre frame that supports to the work piece. The utility model discloses the rigidity is good, the anti vibration reinforce, work piece centre gripping stability is high, promotes the working depth of this lathe, has improved the processing technology and the assembly process of main shaft, and the axiality at front and back both ends is guaranteed to the handling ease, has lengthened the life of lathe main shaft greatly.
Description
Technical field
The utility model relates to electro-mechanical arts, specifically a kind of roller Digit Control Machine Tool.
Background technology
In lathe, main shaft is the parts of most critical, plays vital effect to lathe, and the design of main axle structure is first it is considered that its function that need realize, and the manufacturability of processing and assembling certainly is also the factor considered.The structure that current Machine Spindle Design generally adopts: main shaft supporting is on bearing, and the axial location of bearing is realized by the tight split nut of the briquetting of three on main shaft.The precision of axis system depends on the assembly quality of the machining accuracy of main shaft and correlated parts, the accuracy class of bearing and main shaft.The quality that the internal taper hole of main shaft double-row conical bearing coordinates with main shaft 1:12 outer cone will directly affect the operating accuracy of main shaft, its cooperation contact area of General Requirements is greater than 75%, in order to reach this requirement, except noting brand and grade when buying bearing, usually higher to the requirement of main shaft when designing, the axiality at two ends is 0.005mm, to its correlated parts, the beat requirement of end face to main-shaft axis as nut and spacer is also higher, and its jitter values General Requirements is within 0.008mm.Be difficult to ensure so high precision to the processing of general briquetting nut, thus often occurring that main shaft precision is overproof when assembling, finally having to repeatedly to adjust the degree of tightness of round nut, and reaching requirement reluctantly, but such result often bearing is tight slightly, precision stability is poor, installation site inaccuracy, and play is uneven, when causing work, temperature rise is higher, noise is large, and vibrations are severe, affect the crudy of workpiece and the life-span of bearing.But large with its bearing load of taper roll bearing for heavy digital control machine tool, smooth running, when precision is adjusted, it is better to the precision stability of lathe, can for light-duty and high-speed machine tool is just very not favourable.
Utility model content
The purpose of this utility model is to provide a kind of roller Digit Control Machine Tool, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of roller Digit Control Machine Tool, comprise frame and main spindle box, described frame adopts high standard cast iron integration casting, the dynamical system driving lathe main axis is provided with in described main spindle box, machine tool chief axis is provided with the first angular contact ball bearing and the second angular contact ball bearing, the arranged outside of the first angular contact ball bearing has ring flange, inside the first angular contact ball bearing, the first adjusting pad is provided with the first nut, outside the second angular contact ball bearing, the second adjusting pad is provided with the second nut, described machine tool chief axis is provided with the chuck for clamping work pieces, frame is provided with guide rail, described frame rear is set up in guide rail and is provided with knife rest, knife rest is provided with boring cutter, knife rest is provided with extension rod, boring cutter is fixed on extension rod, guide rail is also provided with between main spindle box and knife rest the centre frame that workpiece is supported, described centre frame comprises the base be arranged on guide rail and the annular stent be positioned on base, ring support adopts two semi arches to be formed by connecting, be provided with outside ring support and stretch into ring support inside and the support bar of adjustable length, the guide groove embedding guide rail is provided with bottom described centre frame.
As further program of the utility model: described support bar is three and circumference is distributed on ring support respectively.
As the utility model further scheme: described support bar end is curved.
As the utility model further scheme: described support bar end-spray has molybdenum bisuphide lubricating layer.
Compared with prior art, the beneficial effects of the utility model are: the utility model frame adopts high standard cast iron integration casting, good rigidly, and antivibration power is strong; By arranging centre frame on guide rail, lifting workpieces clamping stability, knife rest arranges extension rod, makes boring cutter can stretch into roller inwall and processes, promote the working depth of this lathe, facilitate the boring work of large scale roller; Change traditional double-row conical bearing into corner-kick bearing touch, improve processing technology and the assembly technology of main shaft, this main shaft eliminates the tapered segment at two ends, and processing is just easy to, ensure the axiality of rear and front end, also can suitably reduce the processing request of briquetting locking nut simultaneously; Under the prerequisite that Assembly part is all qualified, once after assembling, every precision of main shaft can meet the demands, unlike also needing repeatedly to adjust with amesdial in the past, owing to improve the assembly precision of main shaft, thus main shaft temperature rise reduces, general Absorbable organic halogens is within 20 DEG C, and this improvement substantially prolongs the service life of machine tool chief axis.
Accompanying drawing explanation
Fig. 1 is the structural representation of roller Digit Control Machine Tool;
Fig. 2 is the inner broken section structural representation of main spindle box in roller Digit Control Machine Tool;
Fig. 3 is the structural representation of centre frame in roller Digit Control Machine Tool;
In figure: 1-frame, 2-main spindle box, 21-machine tool chief axis, 22-ring flange, 23-first angular contact ball bearing, 24-first adjusting pad, 25-first nut, 26-second angular contact ball bearing, 27-second adjusting pad, 28-second nut, 3-chuck, 4-guide rail, 5-knife rest, 6-boring cutter, 7-extension rod, 8-centre frame, 81-base, 82-annular stent, 83-support bar, 84-guide groove, 9-workpiece.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-3, a kind of roller Digit Control Machine Tool, comprise frame 1 and main spindle box 2, frame 1 adopts high standard cast iron integration casting, the dynamical system driving machine tool chief axis 21 to rotate is provided with in main spindle box 2, machine tool chief axis 21 is provided with the first angular contact ball bearing 23 and the second angular contact ball bearing 26, the arranged outside of the first angular contact ball bearing 23 has ring flange 22, be provided with outside the first nut 25, second angular contact ball bearing 26 by the first adjusting pad 24 inside first angular contact ball bearing 23 and second adjusting pad 27 is provided with the second nut 28; Described machine tool chief axis 21 is provided with the chuck 3 for clamping work pieces, frame 1 is provided with guide rail 4, frame 1 rear is set up in guide rail 4 and is provided with knife rest 5, knife rest 5 is provided with boring cutter 6, knife rest 5 is provided with extension rod 7, boring cutter 6 is fixed on extension rod 7, guide rail 4 is also provided with between main spindle box 2 and knife rest 5 centre frame 8 supported workpiece; Described centre frame 8 comprises the base 81 be arranged on guide rail 4 and the annular stent 82 be positioned on base 81, and ring support 82 adopts two semi arches to be formed by connecting, and is provided with and stretches into ring support 82 inside and the support bar 83 of adjustable length outside ring support 82.Support bar 83 is three and circumference is distributed on ring support 82 respectively.By arranging ring support 82, long roller being played a supporting role, roller being rotated when bore hole more steady, preventing roller from adding and occur wobble effects machining accuracy man-hour.For preventing workpiece damage, support bar 53 end arranges curved, to increase contact surface, reduces wearing and tearing.Meanwhile, for reducing the wearing and tearing of support bar 83 pairs of workpiece, support bar 83 end-spray has molybdenum bisuphide lubricating layer, plays solid lubrication effect, effectively reduces the damage to workpiece.In addition, the guide groove 84 embedding guide rail 4 is provided with bottom centre frame 8.Centre frame 8 can slide along guide rail 4, adapts to the roller processing of different length.
Described first nut 25 is round nut.
This roller boring machine tool, by arranging centre frame 8 on guides 3, lifting workpieces clamping stability, knife rest 5 arranges extension rod 7, makes boring cutter 6 can stretch into roller inwall and process, promote the working depth of this lathe, facilitate the boring work of large scale roller.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (4)
1. a roller Digit Control Machine Tool, comprise frame and main spindle box, it is characterized in that, described frame adopts high standard cast iron integration casting, the dynamical system driving lathe main axis is provided with in described main spindle box, machine tool chief axis is provided with the first angular contact ball bearing and the second angular contact ball bearing, the arranged outside of the first angular contact ball bearing has ring flange, inside first angular contact ball bearing, the first adjusting pad is provided with the first nut, outside the second angular contact ball bearing, the second adjusting pad is provided with the second nut, described machine tool chief axis is provided with the chuck for clamping work pieces, frame is provided with guide rail, described frame rear is set up in guide rail and is provided with knife rest, knife rest is provided with boring cutter, knife rest is provided with extension rod, boring cutter is fixed on extension rod, guide rail is also provided with between main spindle box and knife rest the centre frame that workpiece is supported, described centre frame comprises the base be arranged on guide rail and the annular stent be positioned on base, ring support adopts two semi arches to be formed by connecting, be provided with outside ring support and stretch into ring support inside and the support bar of adjustable length, the guide groove embedding guide rail is provided with bottom described centre frame.
2. roller Digit Control Machine Tool according to claim 1, is characterized in that, described support bar is three and circumference is distributed on ring support respectively.
3. roller Digit Control Machine Tool according to claim 1 and 2, is characterized in that, described support bar end is curved.
4. roller Digit Control Machine Tool according to claim 3, is characterized in that, described support bar end-spray has molybdenum bisuphide lubricating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564719.8U CN204893026U (en) | 2015-07-30 | 2015-07-30 | Version roller digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564719.8U CN204893026U (en) | 2015-07-30 | 2015-07-30 | Version roller digit control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204893026U true CN204893026U (en) | 2015-12-23 |
Family
ID=54915238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564719.8U Expired - Fee Related CN204893026U (en) | 2015-07-30 | 2015-07-30 | Version roller digit control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204893026U (en) |
Cited By (3)
| 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 |
| CN110605408A (en) * | 2019-09-22 | 2019-12-24 | 许昌市儒燕科技信息咨询有限公司 | Long service life's axle stop gear for lathe |
| CN117505928A (en) * | 2024-01-03 | 2024-02-06 | 泰州江陵冶金设备科技有限公司 | Center boring machine tool for roller machining |
-
2015
- 2015-07-30 CN CN201520564719.8U patent/CN204893026U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN110605408A (en) * | 2019-09-22 | 2019-12-24 | 许昌市儒燕科技信息咨询有限公司 | Long service life's axle stop gear for lathe |
| CN117505928A (en) * | 2024-01-03 | 2024-02-06 | 泰州江陵冶金设备科技有限公司 | Center boring machine tool for roller machining |
| CN117505928B (en) * | 2024-01-03 | 2024-04-26 | 泰州江陵冶金设备科技有限公司 | Center boring machine tool for roller machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160730 |