CN202162601U - Rolling bearing overlength boring tool - Google Patents
Rolling bearing overlength boring tool Download PDFInfo
- Publication number
- CN202162601U CN202162601U CN2011202016025U CN201120201602U CN202162601U CN 202162601 U CN202162601 U CN 202162601U CN 2011202016025 U CN2011202016025 U CN 2011202016025U CN 201120201602 U CN201120201602 U CN 201120201602U CN 202162601 U CN202162601 U CN 202162601U
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- China
- Prior art keywords
- boring
- support ring
- sleeve
- angular contact
- contact ball
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- 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
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a rolling bearing overlength boring tool which is characterized by comprising a connection handle, a rolling type guide bearing boring sleeve, a boring head and a blade, wherein one end of the rolling type guide bearing boring sleeve is connected with the connection handle, and the other end of the rolling type guide bearing boring sleeve is connected with the boring head; the other end of the connection handle is connected with a machine tool; and the rolling type guide bearing boring sleeve comprises a boring rod, a bearing ring, a rotation stopping pin, an angular contact ball bearing, a spacer bush, a sleeve and a threaded bearing ring. The sleeve of the boring tool is in linear contact with a processed hole wall without relative rotation movement, and only slides in the axial direction slowly, thereby not scrapping a processed surface due to rotation, and ensuring processing quality and precision; the friction resistance is small, the rotation speed in processing is high, the feeding quantity is larger, and the efficiency is high; the boring tool is widely applicable to the existing machine tools or special planes, and can improve the quality and efficiency of the machine tools and the special planes; and by adopting the modular assembly way, the boring tool is convenient to assemble and disassemble, spare parts are easy to obtain, the period for changing damages parts is short, and the cost is low.
Description
Technical field
The utility model relates to cutter manufacturing technology field, is specifically related to a kind of roller supporting overlong boring cutter.
Background technology
Engine crankshaft hole, camshaft hole and lathe headstock hole etc. all belong to the overlength aperture and required precision is high, is one of cut difficult point.The processing in these holes must can realize with overlength (aperture is than big) boring cutter, but boring cutter overlength poor rigidity then, so must support.At present, domesticly many support overlong boring cutter with slidingtype, its boring cutter bar with process hole wall and be face and contact, and rotational slide faster can abrade machined surface; Slidingtype supporting overlong boring cutter changes and slides processing the hole wall inward turning, and contact-making surface is big, and frictional resistance is big, and it is low to cause adding the man-hour rotating speed, and the amount of feeding is little, and efficient is low; Band rolling bearing cover also can be realized rolling bearing on special plane or the frock, but that special plane or frock need be invested is bigger, and is confined to specific processed object, uses limited.External roller supporting overlong boring cutter, its structure is nonstandard, mounting or dismounting inconvenience after the parts damages, spare part is changed again needs the cycle long, and cost is high.
Summary of the invention
The problem that the utility model will solve is: how a kind of roller supporting overlong boring cutter is provided; The sleeve of this boring cutter with process hole wall and be line and contact and do not have a relative rotary motion; Only endwisely slipping at a slow speed can not rotated the scratch machined surface, can guarantee crudy and precision; With process hole wall and be line and contact slip, frictional resistance is little, but it is higher to add the man-hour rotating speed, the amount of feeding is bigger, efficient is high; Drop into for a short time, use relatively flexibly, convenient, applicable surface is wider; Existing lathe or special plane be can be widely used in, its quality and efficient improved; The assembling of employing modular, mounting or dismounting are convenient, and spare part is easy to obtain, and it is short to change the required cycle of broken parts, and cost is low.
For reaching the foregoing invention purpose, the technical scheme that the utility model adopted is: a kind of roller supporting overlong boring cutter is provided, it is characterized in that: comprise connecing handle, roller guided bearing bushing, boring head and blade; Said roller guided bearing bushing one end with connect handle and be connected, the other end is connected with boring head; The said other end that connects handle is connected with lathe; Said roller guided bearing bushing comprises boring bar, support ring, spline pin, angular contact ball bearing, spacer, sleeve and screw thread support ring; Said boring bar one end is and connects the syndeton that pommel portion is complementary that the other end is installed with a screw thread support ring; Be arranged with a spacer on the outer wall at said boring bar middle part, spacer is arranged with a sleeve outward; Said support ring and angular contact ball bearing from outer to inner are set on the boring bar successively, and the support ring outer face abuts against on the end or screw thread support ring of boring bar, and the inner face of angular contact ball bearing and the end of spacer are adjacent; The spline pin is housed in the groove on the said support ring; Said support ring, spline pin and angular contact ball bearing all are socketed between boring bar and the sleeve; Said blade fixes on the boring head through the pocket knife clamping of fine-tuning blade radial dimension.
According to the roller supporting overlong boring cutter that the utility model provided, it is characterized in that: said roller guided bearing bushing also includes outer pad and internal gasket; Said internal gasket is arranged between support ring and the angular contact ball bearing, and outer pad is arranged between the end of angular contact ball bearing and spacer.
In sum; Roller that the utility model provided supporting overlong boring cutter has following advantage: 1, sleeve assembly with process hole wall and be line and contact and do not have a relative rotary motion; Only endwisely slipping at a slow speed can not rotated the scratch machined surface, can guarantee crudy and precision; 2, this roller supporting overlong boring cutter with process hole wall and be line and contact slip, frictional resistance is little, but it is higher to add the man-hour rotating speed, the amount of feeding is bigger, the efficient height; 3, this roller supporting overlong boring cutter input is little, and use is flexible relatively, convenient, and applicable surface is wider; Existing lathe or special plane be can be widely used in, its quality and efficient improved; 4, this roller supporting overlong boring cutter adopts the modular assembling, and mounting or dismounting are convenient, and spare part is easy to obtain, and it is short to change the required cycle of broken parts, and cost is low.
Description of drawings
Fig. 1 is the overall structure sketch map of roller supporting overlong boring cutter;
Fig. 2 is the structural representation of roller guided bearing bushing.
Wherein, 1, connect handle; 2, roller guided bearing bushing; 2.1, boring bar; 2.2, support ring; 2.3, the spline pin; 2.4, angular contact ball bearing; 2.5, spacer; 2.6, sleeve; 2.7, outer pad; 2.8, inner ring gasket; 2.9, the screw thread support ring; 3, boring head; 3.1, little cutter holder.
The specific embodiment
Describe in detail below in conjunction with the specific embodiment of accompanying drawing the utility model:
As depicted in figs. 1 and 2, this roller supporting overlong boring cutter comprises and connects handle 1, roller guided bearing bushing 2, boring head 3 and blade; Said roller guided bearing bushing 2 one ends with connect handle 1 and be connected, the other end is connected with boring head 3; The said other end that connects handle 1 is connected with lathe; Said roller guided bearing bushing 2 comprises boring bar 2.1, support ring 2.2, spline pin 2.3, angular contact ball bearing 2.4, spacer 2.5, sleeve 2.6 and screw thread support ring 2.9; Said boring bar 2.1 1 ends are and connect the syndeton that handle 1 end is complementary that the other end is installed with a screw thread support ring 2.9; Be arranged with a spacer 2.5 on the outer wall at said boring bar 2.1 middle parts, the spacer 2.5 outer sleeves 2.6 that are arranged with; Said support ring 2.2 from outer to inner is set on the boring bar 2.1 with angular contact ball bearing 2.4 successively, and support ring 2.2 outer faces abut against on the end or screw thread support ring 2.9 of boring bar 2.1, and the end of the inner face of angular contact ball bearing 2.4 and spacer 2.5 is adjacent; In the groove on the said support ring 2.2 spline pin 2.3 is housed; Said support ring 2.2, spline pin 2.3 and angular contact ball bearing 2.4 all are socketed between boring bar 2.1 and the sleeve 2.6; Said blade is fixed on the boring head 3 through the pocket knife folder 3.1 of fine-tuning blade radial dimension; Said roller guided bearing bushing 2 also includes outer pad 2.7 and internal gasket 2.8; Said internal gasket 2.8 is arranged between support ring 2.2 and the angular contact ball bearing 2.4, and outer pad 2.7 is arranged between the end of angular contact ball bearing 2.4 and spacer 2.5.
The operation principle of this roller supporting overlong boring cutter: this roller supporting overlong boring cutter is thick, smart tool for cutting machining, according to operating position, changes handle left end interface structure and size and realizes connecting with various different lathes; During boring, the radial dimension of the pocket knife folder 3.1 on the fine setting boring head 3 satisfies the aperture processing request; Behind the processing first step hole, roller guided bearing bushing 2 can get into machining hole smoothly; Machine tool chief axis rotates and drives the boring bar assembly rotation that connects handle 1, boring head 3 and roller guided bearing bushing 2; And sleeve assembly does not rotate, and only moves axially with roller supporting overlong boring cutter, and utilizing, machining hole stretches into the realization floating support step by step; Because above-mentioned casing type component belongs to the overlength aperture, supports overlong boring cutter with roller, can increase the rigidity of boring cutter bar greatly, improve crudy and working (machining) efficiency.
The above only is the preferred implementation of the utility model.Should be pointed out that for the present technique field, under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (2)
1. a roller supporting overlong boring cutter is characterized in that: comprise connecing handle (1), roller guided bearing bushing (2), boring head (3) and blade; Said roller guided bearing bushing (2) one ends with connect handle (1) and be connected, the other end is connected with boring head (3); The said other end that connects handle (1) is connected with lathe; Said roller guided bearing bushing (2) comprises boring bar (2.1), support ring (2.2), spline pin (2.3), angular contact ball bearing (2.4), spacer (2.5), sleeve (2.6) and screw thread support ring (2.9); Said boring bar (2.1) one ends are and connect the syndeton that handle (1) end is complementary that the other end is installed with a screw thread support ring (2.9); Be arranged with a spacer (2.5) on the outer wall at said boring bar (2.1) middle part, the outer sleeve (2.6) that is arranged with of spacer (2.5); Said support ring (2.2) and angular contact ball bearing (2.4) from outer to inner are set on the boring bar (2.1) successively; Support ring (2.2) outer face abuts against on the end or screw thread support ring (2.9) of boring bar (2.1), and the end of the inner face of angular contact ball bearing (2.4) and spacer (2.5) is adjacent; Spline pin (2.3) is housed in the groove on the said support ring (2.2); Said support ring (2.2), spline pin (2.3) and angular contact ball bearing (2.4) all are socketed between boring bar (2.1) and the sleeve (2.6); Said blade is fixed on the boring head (3) through the little cutter holder (3.1) of fine-tuning blade radial dimension.
2. roller supporting overlong boring cutter according to claim 1, it is characterized in that: said roller guided bearing bushing (2) also includes outer pad (2.7) and internal gasket (2.8); Said internal gasket (2.8) is arranged between support ring (2.2) and the angular contact ball bearing (2.4), and outer pad (2.7) is arranged between the end of angular contact ball bearing (2.4) and spacer (2.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202016025U CN202162601U (en) | 2011-06-15 | 2011-06-15 | Rolling bearing overlength boring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202016025U CN202162601U (en) | 2011-06-15 | 2011-06-15 | Rolling bearing overlength boring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202162601U true CN202162601U (en) | 2012-03-14 |
Family
ID=45798452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202016025U Expired - Fee Related CN202162601U (en) | 2011-06-15 | 2011-06-15 | Rolling bearing overlength boring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202162601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537718A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Front guiding device of hole machining boring cutter |
| CN114192821A (en) * | 2021-12-10 | 2022-03-18 | 艾欧特克（江苏）机床有限公司 | High-precision boring cutter |
-
2011
- 2011-06-15 CN CN2011202016025U patent/CN202162601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537718A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Front guiding device of hole machining boring cutter |
| CN114192821A (en) * | 2021-12-10 | 2022-03-18 | 艾欧特克（江苏）机床有限公司 | High-precision boring cutter |
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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: 20120314 Termination date: 20170615 |