CN203578831U - Device for boring inner hole annular groove of bearing installing hole by radial feeding - Google Patents
Device for boring inner hole annular groove of bearing installing hole by radial feeding Download PDFInfo
- Publication number
- CN203578831U CN203578831U CN201320789457.6U CN201320789457U CN203578831U CN 203578831 U CN203578831 U CN 203578831U CN 201320789457 U CN201320789457 U CN 201320789457U CN 203578831 U CN203578831 U CN 203578831U
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- main shaft
- push rod
- mounting hole
- connecting plate
- bearing mounting
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Abstract
The utility model discloses a device for boring inner hole annular groove of bearing installing hole by radial feeding, which comprises a hollow main shaft, wherein the front end of the main shaft is provided with a cutter rod in the radial direction, a push rod penetrates through a cavity formed in the main shaft, one end of the push rod is arranged in a connecting plate guide mechanism, the other end of the push rod is provided with a rack, the rack is engaged with a gear, and the gear is engaged with the rack arranged at the lower end surface of the cutter rod. The annular groove device adopts a boring processing principle, a feeding regulating method is like turning processing, the hand wheel rotation is conveniently regulated, and the continuous feeding can be realized. Workpieces are motionless, only a cutter rotates, the equipment structure is simplified, the motive power is reduced, and the annular groove device is more suitable for the similar surface processing of large-scale workpieces. The speed is reduced through worm rod and worm wheel transmission, the cutter radial feeding quantity is small and uniform, the impact is reduced, and the cutter durability is improved.
Description
Technical field
The utility model relates to a kind of boring inside holes device, especially a kind of radial feed boring bearing mounting hole inside holes device.
Background technology
At present, in some casing bearing mounting hole, there is cannelure, be used for installing circlip for hole, determine the axial location of bearing.During batch machining, bearing mounting hole is generally with the processing of boring template method, and its cannelure cannot be processed, need the follow-up cutting processing that completes on horizontal boring machine, i.e. mounting tool post on boring machine facing head, manually feed, facing head and feed handwheel are together with main shaft revolution, and feed is generally step feed.Or at vertical vehicle, go out cannelure, workpiece rotates behind location, and machine power consumption is large, and hold facility expense is high, and workpiece needs centering clamping, is not easy to guarantee machining accuracy, and high to the requirement of operator's technical merit, labour intensity is large.
Chinese patent CN2707405 discloses a kind of automatic end face boring tool holder, it adopts the feeding slide of the horizontal cross that is slidably installed in tool-post structure bottom, the adjustable cutter head in position is equipped with in this slide below, the worm screw of along its longitudinal center's line position, extensible bar being housed in this tool-post structure, worm gear with this worm engaging is housed along horizontal cross position, this worm gear axle head is equipped with driving gear and clutch, in this feeding slide, be provided with horizontal cross internal thread, the driven gear engaging with this driving gear is equipped with in its outer end of a screw mandrel that screws in this internal thread.This patent is for hole end surface in boring on radial drilling machine, need to there is one " power " power shaft by passing through in endoporus, and the operating parts such as clutch, handwheel revolves round the sun with knife rest together, in the transfer of High Rotation Speed process, start to take turns, positioning precision is low, dangerous, can not be used for the amount of feeding such as grooving, manufacturing procedure that cutting depth is less.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, and a kind of radial feed boring bearing mounting hole inside holes device is provided.
For achieving the above object, the utility model adopts following technical proposals:
A kind of radial feed boring bearing mounting hole inside holes device, comprise the main shaft of hollow, described front-end of spindle is radially provided with knife bar along it, in cavity in main shaft, be penetrated with push rod, push rod one end is installed in connecting plate guiding mechanism, the other end is provided with tooth bar, and rack and pinion is meshed, and gear is meshed with the tooth bar of knife bar lower surface.
Described main shaft is installed on boring machine, and is connected with boring machine power input mechanism.
Described front-end of spindle is radially provided with a square hole, and knife bar is installed in this square hole.
Described knife bar center is provided with the through hole matching with push rod upper end.
On described knife bar, cutter head is installed.
Described push rod is installed in the cavity of main shaft by guide pin bushing.
Described gear is installed in main shaft.
Described connecting plate guiding mechanism comprises connecting plate, and push rod one end is passed and is installed in connecting plate, and connecting plate one side is sheathed on guide post, and opposite side is sheathed on handwheel transmission mechanism relatively.
Described handwheel transmission mechanism comprises the nut being fixed in connecting plate, and leading screw is through this nut, and leading screw one end is passed and is fixed in worm gear, worm gear and worm engaging, worm screw is installed on by bearing in the bearing shaft of frame, and worm screw one end is provided with handwheel, is fixed on dial on handwheel.
The utility model directly applies on existing boring machine, the main shaft that main shaft is wherein existing boring machine, and its installation and do not have any change with coordinating of existing boring machine, other undeclared technology are same as the prior art, repeat no more.
During use, the workpiece of the bearing mounting hole endoporus having processed is inserted to straight pin and locate and clamp.Power drives main shaft to rotate by belt transmission, in the square hole of knife bar insertion main shaft radial direction (knife bar guide rail), and the fixing cutter head in outer end of knife bar, main shaft rotation can be with dynamic cutter head to rotate.During radial feed grooving, rotate handwheel with hand, the rotation that connects together of worm screw and handwheel, driving worm gear rotates, worm-gear driven screw mandrel and nut transmission, between connecting plate and push rod, there are centering axle sleeve and thrust bearing to reduce friction, the mobile push rod shaft that drives of connecting plate is to movement, it between push rod top and gear, is rack pinion engaged transmission, between same gear and knife bar, it is also rack pinion engaged transmission, therefore the axially-movable of push rod can be converted to moving radially of cutter head, realizes grooving feed campaign, and depth of cut can be demarcated by handwheel high scale dish.During withdrawing, counter-rotate handwheel, push rod moves down, and cutter head is return, and when exiting completely, workpiece can be taken off.
The beneficial effects of the utility model are,
1. while utilizing facing head feed on existing boring machine, whole tool feeding system revolves round the sun with main shaft together, makes feed handwheel rotation inconvenient operation, is difficult for continuous feed.The utility model adopts boring process principle, and feed method of adjustment is processed as turning, and the convenient hand wheel rotating of adjusting, can continuous feed.
2. workpiece transfixion, only cutter rotates, and simplified apparatus structure, reduces power, is more suitable for the processing of large-scale workpiece similar surfaces.
3. through worm screw, worm-drive reduction of speed, the cutter radial amount of feeding is little and even, reduces to impact, improve tool life.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram;
Fig. 2 be in Fig. 1 A-A to cutaway view;
Wherein 1. knife bars, 2. main shaft, 3. guide pin bushing, 4 push rods, 6. guide post, 7. connecting plate, 8. nut, 9. screw mandrel, 10. cutter head, 11. gears, 12. worm gears, 13. worm screws, 14. dials, 15. handwheels, 16. workpiece.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1 and Figure 2, radial feed boring bearing mounting hole inside holes device, comprise the main shaft 2 of hollow, it is radially provided with knife bar 1 described main shaft 2 front end edges, in cavity in main shaft 2, be penetrated with push rod 4, push rod 4 one end are installed in connecting plate guiding mechanism, and the other end is provided with tooth bar, rack and pinion 11 is meshed, and gear 11 is meshed with the tooth bar of knife bar 1 lower surface.Cutter head 10. is installed on knife bar 1
The utility model directly applies on existing boring machine, the main shaft that main shaft 2 is wherein existing boring machine, and its installation and do not have any change with coordinating of existing boring machine, other undeclared technology are same as the prior art, repeat no more.
During use, the workpiece 16 of the bearing mounting hole endoporus having processed is inserted to straight pin and locate and clamp.Power drives main shaft 2 to rotate by belt transmission, and knife bar 1 inserts in the square hole of main shaft 2 radial direction (knife bar guide rail), the fixing cutter head 10 in the outer end of knife bar 1, and main shaft 2 rotations can be with dynamic cutter head 10 to rotate.During radial feed grooving, with hand rotation handwheel 15, the rotation that connects together of worm screw 13 and handwheel 15, drive worm gear 12 to rotate, worm gear 12 drives screw mandrel 9 and nut 8 transmissions, between connecting plate 7 and push rod 4, there are centering axle sleeve and thrust bearing to reduce friction, the mobile push rod 4 that drives of connecting plate 7 moves axially, between push rod 4 tops and gear 11, it is rack pinion engaged transmission, between same gear 11 and knife bar 1, it is also rack pinion engaged transmission, therefore the axially-movable of push rod 4 can be converted to moving radially of cutter head 10, realize grooving feed campaign, depth of cut can be demarcated by handwheel high scale dish 14.During withdrawing, counter-rotate handwheel, push rod 4 moves down, and cutter head 10 is return, and when exiting completely, workpiece 16 can be taken off.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (9)
1. a radial feed boring bearing mounting hole inside holes device, comprise the main shaft of hollow, it is characterized in that, described front-end of spindle is radially provided with knife bar along it, in cavity in main shaft, be penetrated with push rod, push rod one end is installed in connecting plate guiding mechanism, and the other end is provided with tooth bar, rack and pinion is meshed, and gear is meshed with the tooth bar of knife bar lower surface.
2. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, described main shaft is installed on boring machine, and is connected with boring machine power input mechanism.
3. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, described front-end of spindle is radially provided with a square hole, and knife bar is installed in this square hole.
4. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, described knife bar center is provided with the through hole matching with push rod upper end.
5. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, on described knife bar, cutter head is installed.
6. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, described push rod is installed in the cavity of main shaft by guide pin bushing.
7. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, is characterized in that, described gear is installed in main shaft.
8. radial feed boring bearing mounting hole inside holes device as claimed in claim 1, it is characterized in that, described connecting plate guiding mechanism comprises connecting plate, and push rod one end is passed and is installed in connecting plate, connecting plate one side is sheathed on guide post, and opposite side is sheathed on handwheel transmission mechanism relatively.
9. radial feed boring bearing mounting hole inside holes device as claimed in claim 8, it is characterized in that, described handwheel transmission mechanism comprises the nut being fixed in connecting plate, leading screw is through this nut, leading screw one end is passed and is fixed in worm gear, worm gear and worm engaging, and worm screw is installed on by bearing in the bearing shaft of frame, worm screw one end is provided with handwheel, is fixed on dial on handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789457.6U CN203578831U (en) | 2013-12-03 | 2013-12-03 | Device for boring inner hole annular groove of bearing installing hole by radial feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789457.6U CN203578831U (en) | 2013-12-03 | 2013-12-03 | Device for boring inner hole annular groove of bearing installing hole by radial feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578831U true CN203578831U (en) | 2014-05-07 |
Family
ID=50576804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320789457.6U Withdrawn - After Issue CN203578831U (en) | 2013-12-03 | 2013-12-03 | Device for boring inner hole annular groove of bearing installing hole by radial feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600107A (en) * | 2013-12-03 | 2014-02-26 | 济南大学 | Radial feed bearing mounting hole inner hole annular groove boring device |
| CN107363294A (en) * | 2017-07-18 | 2017-11-21 | 山东威达重工股份有限公司 | A kind of inner driving system is from boring tapered hole apparatus |
| CN108247106A (en) * | 2018-04-16 | 2018-07-06 | 山东镭鸣数控激光装备有限公司 | A kind of device and method of boring inside holes |
-
2013
- 2013-12-03 CN CN201320789457.6U patent/CN203578831U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600107A (en) * | 2013-12-03 | 2014-02-26 | 济南大学 | Radial feed bearing mounting hole inner hole annular groove boring device |
| CN103600107B (en) * | 2013-12-03 | 2016-03-02 | 济南大学 | Radial feed boring bearing mounting hole inside holes device |
| CN107363294A (en) * | 2017-07-18 | 2017-11-21 | 山东威达重工股份有限公司 | A kind of inner driving system is from boring tapered hole apparatus |
| CN107363294B (en) * | 2017-07-18 | 2023-06-02 | 山东威达重工股份有限公司 | Self-boring taper hole device of internal transmission chain |
| CN108247106A (en) * | 2018-04-16 | 2018-07-06 | 山东镭鸣数控激光装备有限公司 | A kind of device and method of boring inside holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |