CN210334395U - Stepped hole boring cutter - Google Patents
Stepped hole boring cutter Download PDFInfo
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- CN210334395U CN210334395U CN201921350248.5U CN201921350248U CN210334395U CN 210334395 U CN210334395 U CN 210334395U CN 201921350248 U CN201921350248 U CN 201921350248U CN 210334395 U CN210334395 U CN 210334395U
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- cutter
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- tool bit
- boring
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Abstract
The utility model discloses a ladder type hole boring cutter, including the body, the tip of body is first bore tool bit and second bore tool bit in proper order, and second bore tool bit sets up at first bore tool bit front end, and second bore tool bit diameter is less than first bore tool bit, sets up first cutter body and chamfer cutter body on the first bore tool bit, sets up second cutter body and third cutter body on the second bore tool bit. The utility model discloses can realize once boring and milling shaping ladder type hole, convenient to use is swift, the problem of no central skew, and the bore diameter of boring and milling is accurate, and product yield is high.
Description
Technical Field
The utility model relates to a ladder type hole boring cutter.
Background
Generally, when the stepped hole is bored and milled, boring cutters with different diameters need to be replaced for boring and milling for multiple times, the time is long, the center is easy to deviate, the hole diameter is greatly deviated from the set hole diameter, the product quality is influenced, repeated debugging is needed, and the process is very complicated.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a ladder type hole boring cutter can one shot forming ladder type hole.
To achieve the purpose, the utility model adopts the structure that: the utility model provides a ladder type hole boring cutter, includes the body, and the body tip is equipped with first aperture tool bit and second aperture tool bit once, and the first aperture tool bit front end is connected to second aperture tool bit, and the diameter of second aperture tool bit is less than first aperture tool bit, set up first cutter body on the first aperture tool bit, second cutter body and third cutter body are connected at second aperture tool bit front end, and the second cutter body is the finish boring cutter, and the third cutter body is thick boring cutter, and the horizontal position of second cutter body surpasss third cutter body 0.1 ~ 0.3mm, and the outermost end of third cutter body surpasss 0.1 ~ 0.3mm than the outermost end of second cutter body.
The first cutter body is connected to the front end of the first caliber cutter head, the angle of the first cutter body is adjustable, the second cutter body and the third cutter body are connected to the front end of the second caliber cutter head, and the angle of the second cutter body and the third cutter body is adjustable.
The end part of the first caliber cutter head is connected with a chamfering cutter body, and the angle of the chamfering cutter body is adjustable.
The beneficial effects are as follows: the utility model discloses can realize once boring and milling shaping ladder type hole, convenient to use is swift, the problem of no central skew, and the bore diameter of boring and milling is accurate, and product yield is high.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The stepped hole boring cutter shown in fig. 1 comprises a body 1, wherein a first caliber cutter head 2 and a second caliber cutter head 5 are arranged at one time at the end part of the body 1, the second caliber cutter head 5 is connected to the front end of the first caliber cutter head 2, the diameter of the second caliber cutter head 5 is smaller than that of the first caliber cutter head 2, a first cutter body 3 is arranged on the first caliber cutter head 2, a second cutter body 6 and a third cutter body 7 are connected to the front end of the second caliber cutter head 5, the second cutter body 6 is a fine boring cutter, the third cutter body 7 is a rough boring cutter, the horizontal position of the second cutter body 6 exceeds the third cutter body by 70.1-0.3 mm, and the outermost end of the third cutter body 7 exceeds the outermost end of the second cutter body 6 by 0.1-0.3 mm.
The first cutter body 3 is connected to the front end of the first caliber cutter head 2, the angle of the first cutter body 3 is adjustable, the second cutter body 6 and the third cutter body 7 are connected to the front end of the second caliber cutter head 5, and the angle of the second cutter body 6 and the third cutter body 7 is adjustable.
The end part of the first caliber cutter head 2 is connected with a chamfering cutter body 4, and the chamfering cutter body 4 is adjustable in angle.
The utility model discloses can realize once boring and milling shaping ladder type hole, convenient to use is swift, the problem of no central skew, and the bore diameter of boring and milling is accurate, and product yield is high.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (3)
1. The stepped hole boring cutter comprises a body (1) and is characterized in that a first caliber cutter head (2) and a second caliber cutter head (5) are arranged at one time at the end of the body (1), the second caliber cutter head (5) is connected to the front end of the first caliber cutter head (2), the diameter of the second caliber cutter head (5) is smaller than that of the first caliber cutter head (2), a first cutter body (3) is arranged on the first caliber cutter head (2), a second cutter body (6) and a third cutter body (7) are connected to the front end of the second caliber cutter head (5), the second cutter body (6) is a fine boring cutter, the third cutter body (7) is a rough boring cutter, the horizontal position of the second cutter body (6) exceeds the third cutter body (7) by 0.1-0.3 mm, and the outermost end of the third cutter body (7) exceeds the outermost end of the second cutter body (6) by 0.1-0.3 mm.
2. The stepped hole boring tool according to claim 1, wherein the first tool body (3) is connected to the front end of the first caliber tool bit (2), the first tool body (3) is adjustable in angle, the second tool body (6) and the third tool body (7) are connected to the front end of the second caliber tool bit (5), and the second tool body (6) and the third tool body (7) are adjustable in angle.
3. The stepped bore boring tool according to claim 1, wherein the first diametrical bit (2) is connected at an end thereof to a chamfering cutter body (4), the chamfering cutter body (4) being angularly adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350248.5U CN210334395U (en) | 2019-08-20 | 2019-08-20 | Stepped hole boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350248.5U CN210334395U (en) | 2019-08-20 | 2019-08-20 | Stepped hole boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210334395U true CN210334395U (en) | 2020-04-17 |
Family
ID=70175519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921350248.5U Active CN210334395U (en) | 2019-08-20 | 2019-08-20 | Stepped hole boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210334395U (en) |
-
2019
- 2019-08-20 CN CN201921350248.5U patent/CN210334395U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |