CN208132032U - A kind of device of boring inside holes - Google Patents
A kind of device of boring inside holes Download PDFInfo
- Publication number
- CN208132032U CN208132032U CN201820536077.4U CN201820536077U CN208132032U CN 208132032 U CN208132032 U CN 208132032U CN 201820536077 U CN201820536077 U CN 201820536077U CN 208132032 U CN208132032 U CN 208132032U
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- knife bar
- driving device
- gear
- rotation
- boring
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Abstract
The utility model discloses a kind of devices of boring inside holes, including knife bar, the grooving cutter for workpieces processing annular groove is installed in one end of the knife bar, the other end of the knife bar connects driving device I, driving device I trigger shaft rotation, realize the automatic of grooving cutter, the knife bar revolves also under the driving of driving device II around the center line of inner hole of workpiece simultaneously, the present apparatus uses boring process principle, knife bar rotation is revolved around fixed axis simultaneously, cutter head can envelope go out entire annular groove, realize the processing of bore circular arc slot.
Description
Technical field
The utility model discloses a kind of devices of boring inside holes.
Background technique
There is annular groove in some cabinet bearing mounting holes, for installing circlip for hole, determines the axial position of bearing.
When batch machining, bearing mounting hole generally uses boring template method to process.When due to the processing of boring template method, boring cutter cannot be moved radially,
Annular groove can not then be processed, and subsequent cutting processing need to be completed on horizontal boring machine, i.e., the mounting tool post on boring machine facing head, manually
Feed, facing head and feed handwheel revolve with main shaft together, and feed is usually step feed.It is complicated for operation, equipment occupancy expenses
It is high.
Utility model content
In order to solve the technical problems existing in the prior art, the utility model discloses a kind of boring inside holes
Device and method, the device and method are mainly used for the annular groove in boring inner hole.
The technical solution adopted in the utility model is as follows：
A kind of device of boring inside holes, including knife bar, are equipped in one end of the knife bar for workpieces processing
The grooving cutter of annular groove, the other end connection driving device I of the knife bar, driving device I trigger shaft rotation, that is, realize
The automatic while described knife bar of grooving cutter revolves also under the driving of driving device II around the center line of inner hole of workpiece.
Further, the driving device I includes a motor, and one internal gear rotation of motor driven, described is interior
Gear is engaged with external gear, and the external gear is mounted on the end of the knife bar, and oneself of knife bar is realized in trigger shaft rotation
Turn.
Further, the driving device II includes a worm screw, and the worm screw engages with a worm gear, described
Worm gear is fixed on an eccentric bushing, and the middle part of the knife bar is positioned on eccentric bushing by bearing, the centre of gyration of eccentric bushing
There are bias, eccentricity e with the center line of knife bar.
Further, the worm screw can be automatic driving, be also possible to be manually entered power.
Further, the internal gear and the center of external gear are away from equal with eccentric distance e, when knife bar revolves, internal gear
It is engaged always with external gear, power inputs always, guarantees the rotation of knife bar.
The working principle of the utility model is as follows：
Cutter power is inputted by internal gear, and internal gear is engaged with external gear, and external gear is fixed on knife bar, and knife bar is driven to turn
Dynamic, grooving cutter is fixed on knife bar end, i.e. grooving cutter can be around knife bar axis rotation.Knife bar is positioned on eccentric bushing by bearing, partially
The centre of gyration of heart set and the center line of knife bar have bias (eccentricity e).When knife bar rotation, grooving cutter can not be by entire ring
Shape slot is cut out, knife bar also need around hole center line revolve, just can envelope go out entire annular groove.Another power is inputted by worm screw,
Worm and wheel engaged transmission, eccentric bushing drive knife bar to revolve around workpiece centerline hole, that is, knife bar rotation is simultaneously around fixation
Axis revolution, the motion profile of grooving cutter, can envelope go out complete annular groove.
The operating method of the utility model is as follows：
Step 1. workpiece carries out radial positioning, guarantees that inner hole of workpiece center line is overlapped with the axis of rotation of eccentric bushing；
Step 2. adjusts cutter head position；Driving Worm Wheel System makes cutter head go to the inner wall position far from inner hole, by work
Part positioning clamps；
Step 3. starts driving device I and driving device II, makes knife bar rotation and revolution, so that grooving cutter is automatically performed hole
Interior annular groove boring processing；
After step 4. is shut down, so that grooving cutter is produced annular groove, along inner hole centreline direction travelling workpiece, workpiece can be unloaded.
The beneficial effects of the utility model are as follows：
1. the present apparatus use boring process principle, knife bar rotation simultaneously around fixed axis revolve, cutter head can envelope it is entire out
Annular groove realizes the processing of bore circular arc slot.
2. by internal gear and the center of external gear away from being designed at a distance from equal with eccentric distance e, when guaranteeing knife bar revolution, outside
Gear can be engaged with internal gear always, and when knife bar shift in position, power input element position is not required to change.
3. workpiece is stationary, it is thus only necessary to which cutter rotation simplifies device structure, reduces power, be more suitable for large-scale workpiece
Similar surfaces processing.
4. utilizing eccentric center principle, the cutter radial amount of feeding is small and uniform, reduces impact, improves tool life.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is groover structure principle chart；
Fig. 2 is the A-A sectional view of Fig. 1.
In figure：1 internal gear, 2 external gear, 3 knife bar, 4 worm screw, 5 worm gear, 6 eccentric bushing, 7 body, 8 grooving cutter, 9 worm gears are defeated
Enter gear, 10 adjusting handles.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing
The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and
Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
Term explains part:The terms such as term " installation ", " connected ", " connection ", " fixation " in the utility model should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, it can also
To be electrical connection, it can be and be directly connected to, be also possible to indirectly connected through an intermediary, can be and connect inside two elements
It connects or the interaction relationship of two elements can be managed as the case may be for the ordinary skill in the art
Above-mentioned term is solved in the concrete meaning of the utility model.
As background technique is introduced, there is annular groove in some cabinet bearing mounting holes in the prior art, for installing
Circlip for hole determines the axial position of bearing.When batch machining, bearing mounting hole generally uses boring template method to process.Due to boring
When modulus method is processed, boring cutter cannot be moved radially, and annular groove can not then be processed, and the subsequent completion cutting on horizontal boring machine is needed to add
Work, i.e., the mounting tool post on boring machine facing head, manual feed, facing head and feed handwheel revolve with main shaft together, and feed is general
It is step feed.Complicated for operation, equipment occupancy expenses is high, and in order to solve technical problem as above, present applicant proposes a kind of borings
Cut the device and method of inside holes.
In a kind of typical embodiment of the application, as shown in Figure 1, the utility model devises as a kind of boring inner hole
The device of intermediate annular groove, including knife bar 3 are equipped with the grooving cutter 8 for workpieces processing annular groove in one end of the knife bar 3,
The other end connection driving device I of the knife bar, driving device I trigger shaft rotation, i.e., realization grooving cutter is automatic, together
The knife bar of Shi Suoshu revolves also under the driving of driving device II around the center line of inner hole of workpiece.
Further, driving device I includes a motor, and one internal gear 1 of motor driven rotates, the internal gear 1
It is engaged with external gear 2, the external gear 2 is mounted on the left end (as shown in Figure 1) of the knife bar, and trigger shaft 3 rotates, in turn
The rotation for realizing knife bar 3, is equipped with grooving cutter in the other end of knife bar 3.
Further, driving device II includes a worm screw 4, and the worm screw 4 engages with a worm gear 5, the snail
Wheel 5, which is connected by key, to be fixed on an eccentric bushing 6, and the middle part of the knife bar 3 is positioned on eccentric bushing 6 by bearing, eccentric
The centre of gyration of set 6 and the center line of knife bar 3 have bias, and eccentricity e, in eccentric bushing rotation, knife bar also and then rotates, real
The function of existing knife bar revolution.Worm screw 4 can be automatic driving, be also possible to be manually entered power, manual actuation is using rotation hand
Wheel, as shown in Figure 2；The direction of bias e is adjusted, the position of cutter head when changing workpiece loading and unloading avoids cutter head from colliding machined surface.
Further, the internal gear and the center of external gear are away from equal with eccentric distance e, when knife bar revolves, internal gear
It is engaged always with external gear, power inputs always, guarantees the rotation of knife bar.
Its working principle and structure are referring to Fig. 1.Cutter power is inputted by internal gear 1, and internal gear 1 is nibbled with knife bar gear 2
It closes, gear 2 is fixed on knife bar 3, and knife bar 3 is driven to rotate, and grooving cutter 8 is fixed on 3 end of knife bar, i.e. grooving cutter 8 can be around knife bar
Axis rotation.Knife bar 3 is positioned on eccentric bushing 6 by bearing, and the centre of gyration of eccentric bushing and the center line of knife bar have eccentric (bias
Amount is e).When knife bar rotation, grooving cutter 8 can not cut out entire annular groove, and knife bar 3 also needs the center line around hole to revolve,
Just can envelope go out entire annular groove.Another power is inputted by worm screw 4, and 5 engaged transmission of worm screw 4 and worm gear, eccentric bushing 6 drives knife bar
3 revolve around workpiece centerline hole, that is, knife bar rotation is revolved around fixed axis simultaneously, and the motion profile of grooving cutter 8 can envelope
Complete annular groove out.
The process and operating method of the utility model are as follows：
1. workpiece positions (radial positioning)：It needs fixture and guarantees that centerline hole is overlapped with the axis of rotation of eccentric bushing 6；
2. adjusting cutter head position.Rotation adjusting handle (such as Fig. 2) manually, Worm Wheel System go to cutter head far from hole
Wall position by workpiece positioning, clamps.
3. starting power, rotate internal gear 1；Worm screw 4 rotates, and is automatically performed hole interior annular groove boring processing.
4. rotating adjusting handle manually after shutting down, so that cutter head is produced annular groove (not needing sometimes), along centerline hole direction
Travelling workpiece can unload workpiece.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (5)
1. a kind of device of boring inside holes, which is characterized in that including knife bar, be equipped with and be used in one end of the knife bar
The grooving cutter of workpieces processing annular groove, the other end connection driving device I of the knife bar, driving device I trigger shaft rotation,
Realize that the automatic while described knife bar of grooving cutter is public around the center line of inner hole of workpiece also under the driving of driving device II
Turn.
2. a kind of device of boring inside holes as described in claim 1, which is characterized in that the driving device I packet
A motor, one internal gear I rotation of motor driven are included, the internal gear I is engaged with external gear, the external gear installation
In the end of the knife bar, the rotation of knife bar is realized in trigger shaft rotation.
3. a kind of device of boring inside holes as described in claim 1, which is characterized in that the driving device II packet
A worm screw is included, the worm screw engages with a worm gear, and the worm gear is fixed on an eccentric bushing, the knife bar
Middle part is positioned on eccentric bushing by bearing, and the centre of gyration of eccentric bushing and the center line of knife bar have bias, eccentricity e.
4. a kind of device of boring inside holes as claimed in claim 3, which is characterized in that the worm screw is automatic drives
Move or be manually entered power.
5. a kind of device of boring inside holes as claimed in claim 2, which is characterized in that the internal gear I and outer
The center of gear is away from equal with eccentric distance e, and when knife bar revolves, internal gear I is engaged always with external gear, and power inputs always, guarantor
Demonstrate,prove the rotation of knife bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536077.4U CN208132032U (en) | 2018-04-16 | 2018-04-16 | A kind of device of boring inside holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536077.4U CN208132032U (en) | 2018-04-16 | 2018-04-16 | A kind of device of boring inside holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208132032U true CN208132032U (en) | 2018-11-23 |
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ID=64292892
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820536077.4U Active CN208132032U (en) | 2018-04-16 | 2018-04-16 | A kind of device of boring inside holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-04-16 CN CN201820536077.4U patent/CN208132032U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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