CN210615239U - Composite counter bore cutter - Google Patents
Composite counter bore cutter Download PDFInfo
- Publication number
- CN210615239U CN210615239U CN201921453068.XU CN201921453068U CN210615239U CN 210615239 U CN210615239 U CN 210615239U CN 201921453068 U CN201921453068 U CN 201921453068U CN 210615239 U CN210615239 U CN 210615239U
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- CN
- China
- Prior art keywords
- cutter
- tool
- groove
- chamfer
- countersink
- 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
Links
- 239000002131 composite material Substances 0.000 title claims description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of cutters, specifically disclose a compound countersink tool, include blade holder and the countersink tool of fixed locating on the blade holder, blade holder and countersink tool are ladder cylindrical structure, the top edge of countersink tool is equipped with first chamfer, the blade holder is equipped with the second chamfer with countersink tool junction edge; two right-angle grooves which are centrosymmetric are axially formed in the countersink tool and the tool apron, a first tool groove and a second tool groove are respectively formed in the first chamfer angle and the second chamfer angle on the surface of one side of each right-angle groove, and a first chamfering blade and a second chamfering blade are respectively arranged in the first tool groove and the second tool groove; the processing of the counter bore and the two chamfers can be simultaneously completed in the processing process of the utility model, the process is simple, and the processing efficiency is greatly improved; and the cutter does not need to be replaced in the machining process, the problem of inaccurate repositioning of the cutter is avoided, and the finished product rate is high.
Description
Technical Field
The utility model relates to a cutter technical field, concretely relates to compound counter sink sword.
Background
When counterbores are formed in workpieces, chamfering is generally needed to be conducted on the inner portions of the counterbores and the surfaces of the counterbores, the counterbores are machined by using a counterbore cutter firstly in the current process, then chamfering is conducted by using a chamfering cutter, on one hand, the process is complex and various, the workload is increased, on the other hand, chamfering deviation is easily caused due to inaccurate positioning of repeated machining, and the defective rate is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound counter bore sword aims at solving the problem among the prior art that above-mentioned background art provided.
The above technical problem of the present invention can be solved by the following technical solutions: a composite countersink tool comprises a tool apron and a countersink tool fixedly arranged on the tool apron, wherein the tool apron and the countersink tool are in a stepped cylindrical structure, a first chamfer is arranged on the edge of the top of the countersink tool, and a second chamfer is arranged on the edge of the joint of the tool apron and the countersink tool; two right-angle grooves which are centrosymmetric are formed in the countersink tool and the tool apron along the axial direction, a first tool groove and a second tool groove are formed in the surface of one side of each right-angle groove at a first chamfer and a second chamfer respectively, a first chamfering blade and a second chamfering blade are arranged in the first tool groove and the second tool groove respectively, and cutting edges of the first chamfering blade and the second chamfering blade protrude out of the surfaces of the first chamfer and the second chamfer respectively.
The further arrangement is that the bottom surface of one side of the right-angle groove, which is far away from the first knife groove and the second knife groove, is an arc surface.
It is further provided that the first and second chamfer inserts are diamond shaped.
The further arrangement is that the included angle between the cutting edges of the first chamfering cutter and the second chamfering cutter and the axis of the counter sink cutter is 45 degrees.
The further arrangement is that blade mounting holes are respectively and vertically formed in the first cutter groove and the second cutter groove in a penetrating mode and used for mounting the first chamfering blade and the second chamfering blade through bolts.
The further arrangement is that yielding holes are respectively arranged at two corners of the inner sides of the first cutter groove and the second cutter groove.
The tool rest is characterized in that the bottom of the tool rest is connected with a tool handle, and the bottom of the tool handle is provided with a shaft hole for connecting driving equipment.
Compared with the prior art, the utility model, its advantage lies in: the chamfering tools are respectively arranged at the top and the bottom of the counter bore tool, so that the processing of the counter bore and two chamfers can be simultaneously finished in the processing process, the process is simple, one tool can be used as three tools, and the processing efficiency is greatly improved; and the cutter does not need to be replaced in the machining process, the problem of inaccurate repositioning of the cutter is avoided, and the finished product rate is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic plan view of the present invention.
In the figure: 1. a tool apron; 2. a countersink tool; 3. a knife handle; 4. a first chamfer; 5. a second chamfer; 6. a right-angle groove; 7. a first knife slot; 8. a second knife slot; 9. a first chamfer blade; 10. a second chamfer insert; 11. a blade mounting hole; 12. and (4) a yielding hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.
Example (b): a composite countersink tool is shown in figures 1-2 and comprises a tool apron 1 and a countersink tool 2 fixedly arranged on the tool apron 1, wherein the bottom of the tool apron 1 is connected with a tool shank 3, and the bottom of the tool shank 3 is provided with a shaft hole for connecting driving equipment.
The tool apron 1 and the counter bore tool 2 are in a stepped cylindrical structure, a first chamfer 4 is arranged on the edge of the top of the counter bore tool 2, a second chamfer 5 is arranged on the edge of the top of the tool apron 1, and the outer diameter of the tool apron 1 is equal to the outer diameter of the counter bore tool 2 plus the height of the second chamfer 5; the included angles between the first chamfer 4 and the second chamfer 5 and the axis of the countersink tool 2 are 45 degrees.
Two right angle grooves 6 of central symmetry have been seted up along the axial on counter bore sword 2 and the blade holder 1, first sword groove 7 and second sword groove 8 have been seted up in first chamfer 4 and second chamfer 5 department respectively to the side surface in right angle groove 6, the shape of first sword groove 7 and second sword groove 8 is the rhombus, blade mounting hole 11 that runs through around respectively having seted up perpendicularly in first sword groove 7 and the second sword groove 8, install first chamfer blade 9 and the second chamfer blade 10 that the shape matches respectively through the bolt, the cutting edge of first chamfer blade 9 and second chamfer blade 10 bulges the surface of first chamfer 4 and second chamfer 5 respectively, and be 45 with the axial contained angle of counter bore sword 2.
In the embodiment, the two corners of the inner sides of the first cutter groove 7 and the second cutter groove 8 are respectively provided with the abdicating holes 12, so that the blade is convenient to detach, and the abrasion between the blade and the cutter grooves is reduced.
In the embodiment, the bottom surface of the side, away from the first knife groove 7 and the second knife groove 8, of the right-angle groove 6 is an arc surface and is led out from the inside, and waste materials generated during machining can be led out from the right-angle groove 6 conveniently.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.
Claims (7)
1. A compound counter bore sword which characterized in that: the hole-sinking cutter comprises a cutter holder and a hole-sinking cutter fixedly arranged on the cutter holder, wherein the cutter holder and the hole-sinking cutter are in stepped cylindrical structures, a first chamfer is arranged on the edge of the top of the hole-sinking cutter, and a second chamfer is arranged on the edge of the joint of the cutter holder and the hole-sinking cutter; two right-angle grooves which are centrosymmetric are formed in the countersink tool and the tool apron along the axial direction, a first tool groove and a second tool groove are formed in the surface of one side of each right-angle groove at a first chamfer and a second chamfer respectively, a first chamfering blade and a second chamfering blade are arranged in the first tool groove and the second tool groove respectively, and cutting edges of the first chamfering blade and the second chamfering blade protrude out of the surfaces of the first chamfer and the second chamfer respectively.
2. The composite countersink tool of claim 1, wherein: the bottom surface of one side of the right-angle groove far away from the first cutter groove and the second cutter groove is an arc surface.
3. The composite countersink tool of claim 1, wherein: the first and second chamfer inserts are diamond shaped.
4. The composite countersink tool of claim 1, wherein: the included angle between the cutting edges of the first chamfering cutter and the second chamfering cutter and the axial line of the counter sink cutter is 45 degrees.
5. The composite countersink tool of claim 1, wherein: blade mounting holes are respectively and vertically formed in the first cutter groove and the second cutter groove in a penetrating mode and used for mounting the first chamfering blade and the second chamfering blade through bolts.
6. A composite countersink tool according to claim 1 or 3, wherein: and two corners of the inner sides of the first cutter groove and the second cutter groove are respectively provided with a yielding hole.
7. The composite countersink tool of claim 1, wherein: the bottom of the cutter holder is connected with a cutter handle, and the bottom of the cutter handle is provided with a shaft hole for connecting driving equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453068.XU CN210615239U (en) | 2019-09-03 | 2019-09-03 | Composite counter bore cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453068.XU CN210615239U (en) | 2019-09-03 | 2019-09-03 | Composite counter bore cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210615239U true CN210615239U (en) | 2020-05-26 |
Family
ID=70757859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921453068.XU Expired - Fee Related CN210615239U (en) | 2019-09-03 | 2019-09-03 | Composite counter bore cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210615239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872486A (en) * | 2021-01-13 | 2021-06-01 | 河南平高电气股份有限公司 | Chamfering machining tool |
-
2019
- 2019-09-03 CN CN201921453068.XU patent/CN210615239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872486A (en) * | 2021-01-13 | 2021-06-01 | 河南平高电气股份有限公司 | Chamfering machining tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |