CN203843245U - Precise spot facing knife - Google Patents
Precise spot facing knife Download PDFInfo
- Publication number
- CN203843245U CN203843245U CN201420223538.4U CN201420223538U CN203843245U CN 203843245 U CN203843245 U CN 203843245U CN 201420223538 U CN201420223538 U CN 201420223538U CN 203843245 U CN203843245 U CN 203843245U
- Authority
- CN
- China
- Prior art keywords
- contained
- cutter hub
- ball bearing
- deep groove
- circlip
- 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 provides a precise spot facing knife. Two locking nuts are arranged on a double-screw bolt of a knife body. A race of a thrust ball bearing is arranged between the locking nuts and a locating sleeve, two deep groove ball bearings are arranged in cylindrical inner holes in the lower edge of the knife body, and a check ring is arranged between the two deep groove ball bearings. Four knife teeth welded with hard alloy blades are arranged on the lower edge of the knife body, the knife body is connected with a machine spindle through a common Morse taper shank, and the locating sleeve with the vertical position adjustable is used for controlling the counter boring depth, and therefore precision of the depth of a machined hole is high. Rotation portions are provided with rolling bearings to enable cutting to be stable, and locating is reliable.
Description
Affiliated technical field
The utility model relates to metal cutting tool, especially accurately spot facing cutter.
Background technology
The depth dimensions in the hole on some machine components requires high, generally on lathe, forms with corresponding cutter reaming spot facing.By the degree of depth in this hole of feed scale controlled working of lathe itself, the hole depth dimensional accuracy of processing is low.
Summary of the invention
The purpose of this utility model is the defect that overcomes prior art, provides one to have precision positioning mechanism spot facing cutter, and easy to use and reliable, the hole depth size of processing is high.
The purpose of this utility model realizes as follows: two locking nuts are contained on the double-screw bolt of cutter hub, the seat ring of thrust ball bearing is contained in the hole of positioning sleeve top, the blowout patche of thrust ball bearing is contained on the following cylinder of the double-screw bolt of cutter hub, large circlip for shaft is contained in the seat ring that blocks thrust ball bearing in the groove of the following cylinder of cutter hub, the cylindrical of two deep groove ball bearings is contained in the endoporus of the following cylinder of cutter hub, circlip for hole is contained in the following groove of the endoporus of the following cylinder of cutter hub, the endoporus of two deep groove ball bearings is contained on the cylinder of positioning core axle top, little circlip for shaft is contained in the inner ring that blocks the deep groove ball bearing of top in the groove of cylinder of positioning core axle top, in the middle of two deep groove ball bearings, there is back-up ring, what cutter hub was following has four cutters tooth that are welded with carbide chip.
Positioning sleeve have below four grooves.
Six grooves that have up/down perforation on the following cylinder of positioning core axle, the cylindrical of positioning core axle is G7/h6 with coordinating of inner bore of part.
Cutter hub top is Morse taper shank.
The advantage of this accurate spot facing cutter is: cutter hub adopts common Morse taper shank to be connected with machine tool chief axis, convenient and reliable.There is the adjustable positioning sleeve control of the upper-lower position spot-facing degree of depth, make the depth dimensions precision of machining hole high.Rotation position is all designed with rolling bearing, makes stable cutting, and location is reliable.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing is the installation diagram of the accurate spot facing cutter of the utility model.
1. cutter hubs in figure, 2. locking nut, 3. large shaft block ring, 4. thrust ball bearing, 5. little circlip for shaft, 6. deep groove ball bearing, 7. back-up ring, 8. positioning sleeve, 9. blade, 10. circlip for hole, 11. positioning core axles, 12. parts.
Detailed description of the invention
With reference to accompanying drawing, accurately spot facing cutter is made up of cutter hub (1), locking nut (2), large shaft block ring (3), thrust ball bearing (4), little circlip for shaft (5), deep groove ball bearing (6), back-up ring (7), positioning sleeve (8), circlip for hole (10) and positioning core axle (11).Two locking nuts (2) are contained on the double-screw bolt of cutter hub (1), the seat ring of thrust ball bearing (4) is contained in the hole of positioning sleeve (8) top, the blowout patche of thrust ball bearing (4) is contained on the following cylinder of the double-screw bolt of cutter hub (1), and the blowout patche that can make thrust ball bearing (4) by rotation lock nut (2) is to certain position and locking.Be used for adjusting the spot-facing degree of depth.Positioning sleeve (8) have below four grooves.Object is to reduce the lower surface of positioning sleeve (8) and the contact area above part.The width of groove more large contact surface is long-pending less, can also see the working angles of spot facing by groove.Large circlip for shaft (3) is contained in the seat ring that blocks thrust ball bearing (4) in the groove of the following cylinder of cutter hub (1), completes thrust ball bearing (4) and is arranged on the axial location on cutter hub (1).The positioning datum of spot-facing is the aperture of part (12), the aperture that falls into part (12) for fear of iron pin in spot-facing process and positioning core axle friction cause the damage of mandrel or aperture, in positioning core axle design, are added with two rolling bearings.The cylindrical of two deep groove ball bearings (6) is contained in the endoporus of the following cylinder of cutter hub (1), circlip for hole (10) is contained in the following groove of endoporus of the following cylinder of cutter hub (1), realizes the location of two deep groove ball bearings (6) in the endoporus of the following cylinder of cutter hub (1).The endoporus of two deep groove ball bearings (6) is contained on the cylinder of positioning core axle (11) top, little circlip for shaft (5) is contained in the inner ring that blocks the deep groove ball bearing (6) of top in the groove of cylinder of positioning core axle (11) top, in the middle of two deep groove ball bearings (6), has back-up ring (7) to realize the location of two deep groove ball bearings (6) on positioning core axle (11).What cutter hub (1) was following has four cutters tooth that are welded with carbide chip (9).The service life that blade (9) adopts carbide alloy can improve accurate spot facing cutter.For iron pin is discharged in time, on the following cylinder of positioning core axle (11), there are six grooves of up/down perforation.The cylindrical of evidence positioning core axle (11) is that G7/h6 is relatively good with coordinating of inner bore of part.Cutter hub (1) top is the Morse taper shank that general cutter adopts, and is connected reliably with machine tool chief axis, and handling fast, conveniently.
Claims (4)
1. an accurate spot facing cutter, comprise cutter hub, locking nut, large shaft block ring, thrust ball bearing, little circlip for shaft, deep groove ball bearing, back-up ring, positioning sleeve, circlip for hole and positioning core axle, it is characterized in that: two locking nuts are contained on the double-screw bolt of cutter hub, the seat ring of thrust ball bearing is contained in the hole of positioning sleeve top, the blowout patche of thrust ball bearing is contained on the following cylinder of the double-screw bolt of cutter hub, large circlip for shaft is contained in the seat ring that blocks thrust ball bearing in the groove of the following cylinder of cutter hub, the cylindrical of two deep groove ball bearings is contained in the endoporus of the following cylinder of cutter hub, circlip for hole is contained in the following groove of the endoporus of the following cylinder of cutter hub, the endoporus of two deep groove ball bearings is contained on the cylinder of positioning core axle top, little circlip for shaft is contained in the inner ring that blocks the deep groove ball bearing of top in the groove of cylinder of positioning core axle top, in the middle of two deep groove ball bearings, there is back-up ring, what cutter hub was following has four cutters tooth that are welded with carbide chip.
2. accurate spot facing cutter according to claim 1, is characterized in that: described positioning sleeve have below four grooves.
3. accurate spot facing cutter according to claim 1, is characterized in that: on the following cylinder of described positioning core axle, have six grooves of up/down perforation, the cylindrical of positioning core axle is G7/h6 with coordinating of inner bore of part.
4. accurate spot facing cutter according to claim 1, is characterized in that: described cutter hub (1) top is Morse taper shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223538.4U CN203843245U (en) | 2014-04-30 | 2014-04-30 | Precise spot facing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223538.4U CN203843245U (en) | 2014-04-30 | 2014-04-30 | Precise spot facing knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203843245U true CN203843245U (en) | 2014-09-24 |
Family
ID=51556306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420223538.4U Expired - Fee Related CN203843245U (en) | 2014-04-30 | 2014-04-30 | Precise spot facing knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203843245U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927573A (en) * | 2017-05-25 | 2018-12-04 | 河南平高电气股份有限公司 | A kind of chamfering tool |
| CN111408800A (en) * | 2020-03-10 | 2020-07-14 | 长沙五七一二飞机工业有限责任公司 | Cutting device for coordinated machining of connecting holes |
| CN112238325A (en) * | 2020-10-26 | 2021-01-19 | 王佩姿 | Repair device based on sealing counter sinking plane |
| CN113102806A (en) * | 2021-03-25 | 2021-07-13 | 陕西法士特汽车传动集团有限责任公司 | Machining system and machining method for countersink plane |
| CN114211024A (en) * | 2021-12-10 | 2022-03-22 | 昌河飞机工业（集团）有限责任公司 | Orifice rounding device and method |
-
2014
- 2014-04-30 CN CN201420223538.4U patent/CN203843245U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927573A (en) * | 2017-05-25 | 2018-12-04 | 河南平高电气股份有限公司 | A kind of chamfering tool |
| CN108927573B (en) * | 2017-05-25 | 2020-10-23 | 平高集团有限公司 | Chamfering tool |
| CN111408800A (en) * | 2020-03-10 | 2020-07-14 | 长沙五七一二飞机工业有限责任公司 | Cutting device for coordinated machining of connecting holes |
| CN112238325A (en) * | 2020-10-26 | 2021-01-19 | 王佩姿 | Repair device based on sealing counter sinking plane |
| CN113102806A (en) * | 2021-03-25 | 2021-07-13 | 陕西法士特汽车传动集团有限责任公司 | Machining system and machining method for countersink plane |
| CN114211024A (en) * | 2021-12-10 | 2022-03-22 | 昌河飞机工业（集团）有限责任公司 | Orifice rounding device and 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: 20140924 Termination date: 20150430 |
|
| EXPY | Termination of patent right or utility model |