CN202185854U - Main spindle box assembly jig for numerical control lathe - Google Patents
Main spindle box assembly jig for numerical control lathe Download PDFInfo
- Publication number
- CN202185854U CN202185854U CN2011203263123U CN201120326312U CN202185854U CN 202185854 U CN202185854 U CN 202185854U CN 2011203263123 U CN2011203263123 U CN 2011203263123U CN 201120326312 U CN201120326312 U CN 201120326312U CN 202185854 U CN202185854 U CN 202185854U
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- China
- Prior art keywords
- main shaft
- bearing hole
- fore bearing
- bearing group
- rear bearing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a main spindle box assembly jig for a numerical control lathe, which comprises a nut with a handle, a thrust ball bearing, a centering plate, a pull rod, a front guide sleeve, a rear guide sleeve, a rear centering sleeve and a centering plate, wherein one end of the pull rod is connected with the nut with the handle through threads, a pin hole is formed on the pull rod, the external diameter of the front guide sleeve is matched with the internal diameter of a front bearing pack, the external diameter of the rear guide sleeve is matched with the internal diameter of a rear bearing pack, and the diameters of the two ends of the centering plate are respectively matched with the diameters of a front bearing hole and a rear bearing hole of a main spindle box . The main spindle box assembly jig provided by the utility model is used for assembling the front and the rear bearing packs, a main spindle and other parts sequentially, so that the requirement of coaxiality of parts can be ensured, the assembling quality is improved, noises of the main spindle box are reduced, influences to the production efficiency caused by the assembling experience of workers can be reduced, beginners are enabled to master operative skills rapidly, the assembly efficiency can be improved effectively, and the overall performance of the lathe is improved.
Description
Technical field
The utility model relates to a kind of spindle of numerical control lathe case assembling jig.
Background technology
Main spindle box is one of lathe vitals, is used for the rotation of supporting spindle and transmission main shaft, and the rotation of motor is delivered on the main shaft, and the collocation through different drive ratios reaches and reduces the speed of mainshaft and improve main-shaft torque, makes main shaft drive workpiece and realizes main motion.The spindle of numerical control lathe box part mainly is made up of main shaft, fore bearing group, rear bearing group and main shaft casing etc.The assembling effect of main spindle box is very big to the influence of whole machine tool capability; Therefore the assembling quality requirement to bearing and main shaft is very high in the assembling process, wherein the most important thing is to the front and back bearings group assembling, to spindle axis radially with Circular Run-out Tolerance and the noise control when rotating at a high speed all require very high.
In the prior art, it is to be main foundation with experience that the workman assembles spindle box part, and the qualification of workman's operation is very big to the influence of assembly quality.Doing and attach through beating cover, spacer etc., through knocking of copper rod bearing is beaten in the dead eye of main shaft casing into, also is to put into main spindle box to main shaft through adding the mode that spacer and "painted-face" character in opera beat then.Earlier install to the position to the fore bearing group one by one during assembling, gland has compressed the fore bearing group before loading onto, and loads onto main shaft then, drives in main spindle box to the rear bearing group through spacer more at last.Although frock has been considered bearing in design installation requirement is overlapped in beating originally; But to the size of the dynamics of knocking and the assurance of the assembling details such as axiality between part; The main experience that still relies on the workman, the quality of the spindle box part that assembling is come out varies with each individual.The main spindle box noise has the greatest impact to final assembly quality, and hazardous noise not only pollutes the environment, and also can have a strong impact on product processed quality and production cycle.Simultaneously, the part axiality, knock dynamics and method appropriately whether, will produce decisive influence to the assembly quality of bearing and whole spindle box part, and then influence the overall performance of lathe.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes prior art, and a kind of spindle of numerical control lathe case assembling jig is provided.
Spindle of numerical control lathe case assembling jig comprises fore bearing group, fore bearing hole, main shaft casing, rear bearing hole, rear bearing group, main shaft, preceding gland, spacer, locking nut, oil scraper ring, rear pressing cover, axle sleeve, belt wheel, spindle end nut, and the main shaft casing is provided with the fore bearing hole and the rear bearing hole of concentric; Main shaft is threaded onto in fore bearing hole and the rear bearing hole; Be provided with the fore bearing group between main shaft and the fore bearing hole, preceding gland is pressed against the outer ring of fore bearing group, and fixes with the main shaft casing through the bolt connection; Spacer is threaded onto on the main shaft; Spacer and fore bearing group recline and fix through locking nut, are provided with the rear bearing group between main shaft and the rear bearing hole, and oil scraper ring props up the shaft shoulder of main shaft; Rear pressing cover is pressed against the outer ring of rear bearing group; Rear pressing cover connects with the main shaft casing through bolt to be fixed, and belt wheel is fixed in rear-end of spindle through the spindle end nut, comprises band handle nut, thrust ball bearing, centering plate, pull bar, preceding fairlead, back fairlead, back centered cover and centering plate; Pull bar one end and band handle nut are through being threaded; Pull bar is provided with pin-and-hole; Preceding fairlead external diameter cooperates with fore bearing group internal diameter, and back fairlead external diameter cooperates with rear bearing group internal diameter, and centering plate two ends diameter cooperates with the fore bearing hole and the rear bearing bore dia of main shaft casing respectively.
The utility model is simple in structure, and is easy to operate, uses the utility model; Employing is equipped with the method running in bearings group of rapping through the axial tension of pull rod screw, and the front and back bearings hole through the main shaft casing makes part centerings such as front and back bearings group and main shaft, navigates to major parts such as bearing group, main shafts on the axial line of main shaft casing through assembling jig; Guarantee the axiality requirement of part, improved assembly quality, reduced the main spindle box noise; Reduced of the influence of workman's assembling experience to production efficiency; Let new hand workman can grasp operation skill rapidly, effectively improved efficiency of assembling, improved the overall performance of lathe.
Description of drawings
Fig. 1 is the sketch map of the utility model spindle of numerical control lathe case assembling jig assembling fore bearing group;
Fig. 2 is the sketch map of the utility model spindle of numerical control lathe case assembling jig assembling rear bearing group;
Fig. 3 is the sketch map of the utility model spindle of numerical control lathe case assembling jig assembling main shaft;
Fig. 4 is the assembling sketch map of the utility model spindle of numerical control lathe case;
Among the figure, band handle nut 1, thrust ball bearing 2, centering plate 3, pull bar 4, preceding fairlead 5, fore bearing group 6, fore bearing hole 7, main shaft casing 8, rear bearing hole 9, rear bearing group 10, back fairlead 11, back centered cover 12, centering plate 13, main shaft 14, preceding gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22.
The specific embodiment
Like Fig. 1,2, shown in 3; A kind of spindle of numerical control lathe case assembling jig; Comprise fore bearing group 6, fore bearing hole 7, main shaft casing 8, rear bearing hole 9, rear bearing group 10, main shaft 14, preceding gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22, main shaft casing 8 is provided with the fore bearing hole 7 and rear bearing hole 9 of concentric, and main shaft 14 is threaded onto in fore bearing hole 7 and the rear bearing hole 9; Be provided with fore bearing group 6 between main shaft 14 and the fore bearing hole 7; Preceding gland 15 is pressed against the outer ring of fore bearing group 6, and fixing with main shaft casing 8 through the bolt connection, and spacer 16 is threaded onto on the main shaft 14; Spacer 16 reclines with fore bearing group 6 and is fixing through locking nut 17; Be provided with rear bearing group 10 between main shaft 14 and the rear bearing hole 9, oil scraper ring 18 props up the shaft shoulder of main shaft 14, and rear bearing group 10 inboards are sealed; Rear pressing cover 19 is pressed against the outer ring of rear bearing group 10; Rear pressing cover 19 connects with main shaft casing 8 fixing through bolt, belt wheel 21 is fixed in main shaft 14 rear ends through spindle end nut 22, comprises band handle nut 1, thrust ball bearing 2, centering plate 3, pull bar 4, preceding fairlead 5, back fairlead 11, back centered cover 12 and centering plate 13; Pull bar 4 one ends and band handle nut 1 are through being threaded; Pull bar 4 is provided with pin-and-hole; Preceding fairlead 5 external diameters cooperate with fore bearing group 6 internal diameters; Back fairlead 11 external diameters cooperate with rear bearing group 10 internal diameters, and centering plate 3 two ends diameters cooperate with rear bearing hole 9 diameters with the fore bearing hole 7 of main shaft casing 8 respectively.
As shown in Figure 4, the spindle of numerical control lathe case comprises fore bearing group 6, fore bearing hole 7, main shaft casing 8, rear bearing hole 9, rear bearing group 10, main shaft 14, preceding gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22.In the assembling process, the assemble sequence of fore bearing group 6 and rear bearing group 10 can be changed each other, and little to the assembly quality influence.
The assembly method of spindle of numerical control lathe case assembling jig may further comprise the steps:
1) assembling fore bearing group 6;
I) pull bar 4 passes the fore bearing hole 7 and rear bearing hole 9 of main shaft casing 8 successively; Make pull bar 4 threaded ends near rear bearing hole 9; Centering plate 3 is set in pull bar 4; Be equipped with bolt through the screw that is used for fixing rear pressing cover 19 on the main shaft casing 8 and fix centering plate 3, thrust ball bearing 2 and band handle nut 1 are set on the pull bar 4 threaded ends, thrust ball bearing 2 is fixed in the groove of centering plate 3 and band handle nut 1 opposing end surface;
Ii) be connected on pull bar 4 to fore bearing group 6 and preceding fairlead 5 orders near the end outside the fore bearing hole 7; Preceding fairlead 5 is advanced fore bearing group 6 inner rings; Cooperate preceding fairlead 5 of adjustment and the position of fore bearing group 6 on pull bar 4 with pin through the pin-and-hole on the pull bar 4, fairlead 5 parts are positioned at fore bearing group 6 inner rings before making;
Iii) rotating band handle nut 1; Before thrust ball bearing 2 will be delivered to the power that rotatablely moving of handle nut 1 produces on the right side of fairlead 5; Rap band handle nut 1 with hammer; Put in the fore bearing hole 7 of main shaft casing 8 thereby promote fore bearing group 6, accomplish the assembling of fore bearing group 6, and the dismounting assembling jig;
2) assembling rear bearing group 10;
I) pull bar 4 passes the fore bearing hole 7 and rear bearing hole 9 of main shaft casing 8 successively; Make pull bar 4 threaded ends near fore bearing hole 7; Be set in pull bar 4 threaded ends to centering plate 3; Be equipped with bolt through the screw that is used for fixing preceding gland 15 on the main shaft casing 8 centering plate 3 is fixed in main shaft casing 8, thrust ball bearing 2 and band handle nut 1 are set on the pull bar 4 threaded ends, thrust ball bearing 2 is fixed in the groove of centering plate 3 and band handle nut 1 opposing end surface;
Ii) rear bearing group 10 and back fairlead 11 orders are connected on pull bar 4 near the end outside the rear bearing hole 9; Back fairlead 11 is advanced rear bearing group 10 inner rings; Cooperate adjustment back fairlead 11 and the position of rear bearing group 10 on pull bar 4 with pin through the pin-and-hole on the pull bar 4, make back fairlead 11 parts be positioned at rear bearing group 10 inner rings;
Iii) rotating band handle nut 1; After thrust ball bearing 2 will be delivered to the power that rotatablely moving of handle nut 1 produces on the fairlead 11; Rap band handle nut 1 with hammer; Put in the rear bearing hole 9 of main shaft casing 8 thereby promote rear bearing group 10, accomplish the assembling of rear bearing group 10, and the dismounting assembling jig;
3) assembling main shaft 14 and other parts;
I) preceding gland 15 is fixed in 7 outsides, fore bearing hole of main shaft casing 8; Main shaft 14 is enclosed within on the pull bar 4; Pull bar 4 threaded ends are positioned at 7 outsides, fore bearing hole, gland 15, fore bearing group 6, spacer 16, locking nut 17, oil scraper ring 18 and rear bearing group 10 before main shaft 14 is passed successively;
Ii) centering plate 13, thrust ball bearing 2 and band handle nut 1 are set in pull bar 4 threaded ends successively; Centering plate 13 is packed into the endoporus of main shaft 14; Thrust ball bearing 2 is fixed in the groove on centering plate 13 and band handle nut 1 opposing end surface; Back centered cover 12 is set in the other end of pull bar 4, is equipped with bolt through the screw that is used for fixing rear pressing cover 19 on the main shaft casing 8 back centered cover 12 is fixed in main shaft casing 8, back centered cover 12 left ends are located through pin and pull bar 4;
Iii) rotating band handle nut 1 will be delivered on the main shaft 14 with the power that produces that rotatablely moves of handle nut 1 through thrust ball bearing 2, raps band handle nut 1 with hammer, thereby draws in main shaft 14 in the main shaft casing 8;
Iv) spacer 16 is close to fore bearing group 6 also with locking nut 17 lockings; Remove back centered cover 12; Rear pressing cover 19 is fixed in 9 outsides, rear bearing hole, successively axle sleeve 20, belt wheel 21 and spindle end nut 22 is set in main shaft 14 from 9 outsides, rear bearing hole, axle sleeve 20 1 ends prop up the shaft shoulder of main shaft 14; Axle sleeve 20 other ends are close to belt wheel 21; Through spindle end nut 22 belt wheel 21 is fixed in main shaft 14, accomplishes the assembling of main shaft 14, dismounting band handle nut 1, thrust ball bearing 2, pull bar 4 and centering plate 13.
Claims (1)
1. spindle of numerical control lathe case assembling jig; Comprise fore bearing group (6), fore bearing hole (7), main shaft casing (8), rear bearing hole (9), rear bearing group (10), main shaft (14), preceding gland (15), spacer (16), locking nut (17), oil scraper ring (18), rear pressing cover (19), axle sleeve (20), belt wheel (21), spindle end nut (22); Main shaft casing (8) is provided with fore bearing hole (7) and rear bearing hole (9) of concentric; Main shaft (14) is threaded onto in fore bearing hole (7) and rear bearing hole (9); Be provided with fore bearing group (6) between main shaft (14) and fore bearing hole (7), preceding gland (15) is pressed against the outer ring of fore bearing group (6), and connects with main shaft casing (8) fixing through bolt; Spacer (16) is threaded onto on the main shaft (14); Spacer (16) reclines with fore bearing group (6) and is fixing through locking nut (17), is provided with rear bearing group (10) between main shaft (14) and rear bearing hole (9), and oil scraper ring (18) props up the shaft shoulder of main shaft (14); Rear pressing cover (19) is pressed against the outer ring of rear bearing group (10); Rear pressing cover (19) connects with main shaft casing (8) fixing through bolt, belt wheel (21) is fixed in main shaft (14) rear end through spindle end nut (22), it is characterized in that comprising band handle nut (1), thrust ball bearing (2), centering plate (3), pull bar (4), preceding fairlead (5), back fairlead (11), back centered cover (12) and centering plate (13); Pull bar (4) one ends with the band handle nut (1) through being threaded; Pull bar (4) is provided with pin-and-hole; Preceding fairlead (5) external diameter cooperates with fore bearing group (6) internal diameter; Back fairlead (11) external diameter cooperates with rear bearing group (10) internal diameter, and centering plate (3) two ends diameter cooperates with the fore bearing hole (7) and rear bearing hole (9) diameter of main shaft casing (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203263123U CN202185854U (en) | 2011-08-30 | 2011-08-30 | Main spindle box assembly jig for numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203263123U CN202185854U (en) | 2011-08-30 | 2011-08-30 | Main spindle box assembly jig for numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202185854U true CN202185854U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203263123U Expired - Fee Related CN202185854U (en) | 2011-08-30 | 2011-08-30 | Main spindle box assembly jig for numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202185854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962785A (en) * | 2011-08-30 | 2013-03-13 | 浙江瑞远机床有限公司 | Numerical-control lathe main spindle box assembling clamp and assembling method |
| CN107649849A (en) * | 2017-08-10 | 2018-02-02 | 中国北方发动机研究所(天津) | A kind of gear shaft support bearing lid rotation centering structure and aligning method |
-
2011
- 2011-08-30 CN CN2011203263123U patent/CN202185854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962785A (en) * | 2011-08-30 | 2013-03-13 | 浙江瑞远机床有限公司 | Numerical-control lathe main spindle box assembling clamp and assembling method |
| CN107649849A (en) * | 2017-08-10 | 2018-02-02 | 中国北方发动机研究所(天津) | A kind of gear shaft support bearing lid rotation centering structure and aligning method |
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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 |
Granted publication date: 20120411 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |