CN201342494Y - Precision micro-adjustable boring tool - Google Patents
Precision micro-adjustable boring tool Download PDFInfo
- Publication number
- CN201342494Y CN201342494Y CNU2009200004562U CN200920000456U CN201342494Y CN 201342494 Y CN201342494 Y CN 201342494Y CN U2009200004562 U CNU2009200004562 U CN U2009200004562U CN 200920000456 U CN200920000456 U CN 200920000456U CN 201342494 Y CN201342494 Y CN 201342494Y
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- CN
- China
- Prior art keywords
- boring cutter
- screw rod
- screw
- adjusting screw
- axle
- Prior art date
- 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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Abstract
The utility model discloses a precision micro-adjustable boring tool, which is characterized in that a stepped screw hole is added at the center of a primary boring tool bar and an adjusting screw ring is mounted in the stepped screw hole. Screw clearance is removed in the engagement of an adjusting screw rod and boring tool bar threads by rotating the adjusting screw ring, and then clearance errors caused by rotating the adjusting screw rod can be avoided, thereby guaranteeing precision of feed amount each time during boring and realizing accurate control to working allowance. Besides, the boring tool is sequentially equipped with an adjusting nut, a fixing disc and the adjusting screw rod of a bushing. Because two ends of the fixing disc are respectively provided with a track with steel balls, the adjusting screw rod can not wobble axially or radially as being mounted in a thrust bearing, and then the utility model is fast and accurate to adjust feed amount, removes cutting vibration generated during the processing procedure, and increases surface quality of bored holes.
Description
Technical field
The utility model belongs to the Machining Technology field, relates to a kind of metal cutting bore hole cutter, is specifically related to a kind of Precision trimming boring cutter.
Background technology
The fine finishining of machining mesopore the most frequently used to method be the right boring hole, one adjustable accurate boring cutter so, processing for high accurate hole has important effect, the precision of the micro-adjusting mechanism of accurate boring cutter can directly have influence on machining accuracy, and the micro-adjusting mechanism of accurate boring cutter mostly adopts screw rod to adjust mode, because there is certain clearance in the cooperation of micro-adjusting mechanism screw rod and screw, thread pitch just makes the size of each depth of cut produce error, be difficult to control accurately allowance, make satisfactory product parts and just seem very difficult.In addition, the thread pitch that the cooperation of micro-adjusting mechanism screw rod and screw exists also can make in the process of processing and produce the cutting vibrations, thereby influence surface quality.
Summary of the invention
The purpose of this utility model provides a kind of Precision trimming boring cutter, in the ladder screw of boring cutter bar center, the adjustment volution is housed, adjust screw rod and adjust volution elimination thread pitch with cooperating of boring cutter bar screw thread by rotation, do not produce gap error, each depth of cut is accurate when having guaranteed bore hole, realize the accurate control of allowance, satisfied the crudy requirement, solved problems of the prior art.
The technical scheme that the utility model adopted is, a kind of Precision trimming boring cutter, by the boring cutter axle, boring cutter bar and adjustment screw rod are formed, boring cutter axle top is provided with a through hole, one end of through hole has a cutter groove that extends to axle head, the boring cutter bar center that is contained in the cutter groove is provided with the ladder screw, the macropore of ladder screw is rotary with one and adjusts volution, adjusting the volution center is provided with and the consistent screw of the little screw of ladder, the shrinkage pool that the other end of boring cutter axle through hole is provided with, the adjustment nut is housed successively, the adjustment screw rod of fixed disk and lining, being packed into by shrinkage pool is connected with the screw of adjusting volution and boring cutter bar.
Precision trimming boring cutter described in the utility model, its feature also be,
The end of described boring cutter axle is provided with two screws, is respectively applied for the guide positioning pin of installation boring cutter bar and the dog screw of fixed disk.
Described boring cutter bar is respectively equipped with stopper slot and fixed pan.
Described fixed disk two ends are respectively equipped with and adjust screw rod and adjust the track that steel ball is installed between the nut mating surface.
Described adjustment screw flight pitch is 0.5mm, accurately is carved with 50 lattice scales on the head circumference of hexagonal hole in it is provided with.
The utility model Precision trimming boring cutter is to set up the ladder screw at original boring cutter bar center, and the adjustment volution has been installed in the ladder screw, make and adjust screw rod and pass through rotation adjustment volution elimination thread pitch cooperating of boring cutter bar screw thread, do not produce gap error, each depth of cut is accurate when having guaranteed bore hole, realized the accurate control of allowance, the adjustment nut is housed successively, the adjustment screw rod of fixed disk and lining, owing in the track that the fixed disk two ends are respectively equipped with steel ball is housed, make the adjustment screw rod be equivalent to be installed in the thrust bearing, very brisk accurate when adjusting the depth of cut, also can eliminate simultaneously the cutting vibrations that produce in the process, improve the bore hole surface quality.
Description of drawings
Fig. 1 is the utility model Precision trimming boring cutter structural representation;
Fig. 2 is the utility model Precision trimming boring cutter boring cutter bar structural representation;
Fig. 3 is that the utility model Precision trimming boring cutter boring cutter bar is adjusted the screw head structural representation.
Among the figure, 1. boring cutter axle, 2. boring cutter bar is 3. adjusted screw rod, 4. adjusts volution, 5. adjusts nut, 6. fixed disk, 7. lining, 8. guide positioning pin, 9. dog screw, 10. steel ball, 11. tracks, hexagonal holes in 12., 13. scales, 14. stopper slots, 15. fixed pans.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model Precision trimming boring cutter, as depicted in figs. 1 and 2, by boring cutter axle 1, boring cutter bar 2 and adjustment screw rod 3 are formed, boring cutter axle 1 top is provided with a through hole, one end of through hole has a cutter groove that extends to axle head, the boring cutter bar 2 that is contained in the cutter groove is provided with the ladder screw, the macropore of ladder screw is rotary with one and adjusts volution 4, adjusting volution 4 centers is provided with and the consistent screw of the little screw of ladder, the shrinkage pool that the other end of boring cutter axle 1 through hole is provided with, be equipped with successively and adjust nut 5, the adjustment screw rod 3 of fixed disk 6 and lining 7, being packed into by shrinkage pool is connected with the screw of adjusting volution 4 and boring cutter bar 2; The end of described boring cutter axle 1 is provided with two screws, is respectively applied for the guide positioning pin 8 of installation boring cutter bar 2 and the dog screw 9 of fixed disk 6; Described boring cutter bar 2 is respectively equipped with stopper slot 14 and fixed pan 15, and fixed disk 6 two ends are respectively equipped with and adjust screw rod 3 and adjust the track 11 that steel ball 10 is installed between nut 5 mating surfaces.
When the utility model Precision trimming boring cutter is installed, to adjust volution 4 boring cutter bar 2 of packing into earlier is provided with in the ladder screw, again boring cutter bar 2 is packed in the cutter groove that through hole one end that boring cutter axle 1 top is provided with has, and then the adjustment screw rod 3 that will install adjustment nut 5, fixed disk 6 and lining 7 is successively packed into by the shrinkage pool that boring cutter axle 1 other end is provided with, be connected with the adjustment volution 4 on the boring cutter bar 2 and the center screw of boring cutter bar 2, reverse rotation is adjusted volution 4 and is eliminated thread pitches; Boring cutter bar 2 is respectively equipped with stopper slot 14 and fixed pan 15, boring cutter bar 2 is packed into behind the through hole, in the screw at the center, end of boring cutter axle 1, the guide positioning pin 8 that screw is had is inserted in the stopper slot 14 of boring cutter bar 2, after withstanding fixed pan 15 with screw from boring cutter bar 2 outsides again, make boring cutter bar 2 connect pilot hole along boring cutter axle top and move as straight line; Fixed disk 6 is fixing with dog screw 9 at last in the end of boring cutter axle 1.Because fixed disk 6 two ends and adjustment screw rod 3 and the track of adjusting between nut 5 mating surfaces 11 are equipped with steel ball 10, and fixed disk 6 has been fixed in the shrinkage pool that boring cutter axle 1 is provided with, therefore adjusting screw rod 3 is equivalent to be installed in the thrust bearing, can not produce axially any and radially rock, move when adjusting that hexagonal hole 12 is adjusted the depths of cut in screw rod 3 heads with allen wrench, just seem very brisk and accurate, this assembly structure also can be eliminated the cutting vibrations that produce in the process, improves the bore hole surface quality.
As shown in Figure 3, the thread pitch of adjusting screw rod 3 is 0.5mm, accurately is carved with 50 lattice scales 13 on the head circumference of hexagonal hole 12 in it is provided with, the moving lattice of revolution when adjusting the depth of cut, the depth of cut of radial direction is exactly 0.01mm, has realized the accurate control of allowance.
Above-mentioned embodiment is an example of the present utility model; not enforcement and the interest field that is used for limiting utility model; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (5)
1, a kind of Precision trimming boring cutter, by boring cutter axle (1), boring cutter bar (2) and adjustment screw rod (3) are formed, it is characterized in that, boring cutter axle (1) top is provided with a through hole, one end of through hole has a cutter groove that extends to axle head, the boring cutter bar (2) that is contained in the cutter groove is provided with the ladder screw, the macropore of ladder screw is rotary with one and adjusts volution (4), adjusting volution (4) center is provided with and the consistent screw of the little screw of ladder, the shrinkage pool that the other end of boring cutter axle (1) through hole is provided with, be equipped with successively and adjust nut (5), the adjustment screw rod (3) of fixed disk (6) and lining (7), being packed into by shrinkage pool is connected with the screw of adjusting volution (4) and boring cutter bar (2).
2, Precision trimming boring cutter according to claim 1 is characterized in that, the end of described boring cutter axle (1) is provided with two screws, is respectively applied for the guide positioning pin (8) of installation boring cutter bar (2) and the dog screw (9) of fixed disk (6).
3, Precision trimming boring cutter according to claim 1 is characterized in that, described boring cutter bar (2) is respectively equipped with stopper slot (14) and fixed pan (15).
4, Precision trimming boring cutter according to claim 1 is characterized in that, described fixed disk (6) two ends are respectively equipped with and adjust screw rod (3) and adjust the track (11) that steel ball (10) are installed between nut (5) mating surface.
5, Precision trimming boring cutter according to claim 1 is characterized in that, the thread pitch of described adjustment screw rod (3) is 0.5mm, and it is provided with on the head circumference of interior hexagonal hole (12) and accurately is carved with 50 lattice scales (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200004562U CN201342494Y (en) | 2009-01-08 | 2009-01-08 | Precision micro-adjustable boring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200004562U CN201342494Y (en) | 2009-01-08 | 2009-01-08 | Precision micro-adjustable boring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201342494Y true CN201342494Y (en) | 2009-11-11 |
Family
ID=41274079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200004562U Expired - Fee Related CN201342494Y (en) | 2009-01-08 | 2009-01-08 | Precision micro-adjustable boring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201342494Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335758A (en) * | 2011-09-28 | 2012-02-01 | 深圳市派高模业有限公司 | Integrated boring cutter |
| CN102581325A (en) * | 2012-03-21 | 2012-07-18 | 无锡圣贝尔机电有限公司 | Boring tool |
| CN103286365A (en) * | 2013-06-17 | 2013-09-11 | 上海松德数控刀具制造有限公司 | Dual-edge end-surface circular groove cutter with simultaneously adjustable inner and outer diameters |
| CN103394719A (en) * | 2013-07-29 | 2013-11-20 | 成都成林数控刀具有限公司 | Novel adjustable single-blade boring cutter |
-
2009
- 2009-01-08 CN CNU2009200004562U patent/CN201342494Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335758A (en) * | 2011-09-28 | 2012-02-01 | 深圳市派高模业有限公司 | Integrated boring cutter |
| CN102581325A (en) * | 2012-03-21 | 2012-07-18 | 无锡圣贝尔机电有限公司 | Boring tool |
| CN103286365A (en) * | 2013-06-17 | 2013-09-11 | 上海松德数控刀具制造有限公司 | Dual-edge end-surface circular groove cutter with simultaneously adjustable inner and outer diameters |
| CN103286365B (en) * | 2013-06-17 | 2015-12-09 | 上海松德数控刀具制造有限公司 | A kind of twolip internal-and external diameter adjustable end face annular groove cutter simultaneously |
| CN103394719A (en) * | 2013-07-29 | 2013-11-20 | 成都成林数控刀具有限公司 | Novel adjustable single-blade boring cutter |
| CN103394719B (en) * | 2013-07-29 | 2015-12-23 | 成都成林数控刀具有限公司 | A kind of adjustable single-blade boring cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20120108 |